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All Python Solutions on Gang of Coders
Total of 12266 Python Solutions
What does the "yield" keyword do?
Python
What does if __name__ == "__main__": do?
Python
Namespaces
Main
Python Module
Idioms
Does Python have a ternary conditional operator?
Python
Operators
Conditional Operator
What are metaclasses in Python?
Python
Oop
Metaclass
Python Class
Python Datamodel
How do I check whether a file exists without exceptions?
Python
File
File Exists
How do I merge two dictionaries in a single expression (take union of dictionaries)?
Python
Dictionary
Merge
How do I execute a program or call a system command?
Python
Shell
Terminal
Subprocess
Command
How can I safely create a nested directory?
Python
Exception
Path
Directory
Operating System
Accessing the index in 'for' loops
Python
Loops
List
How to make a flat list out of a list of lists?
Python
List
Multidimensional Array
Flatten
Difference between @staticmethod and @classmethod
Python
Oop
Methods
Python Decorators
Understanding slicing
Python
Slice
Sequence
Finding the index of an item in a list
Python
List
Indexing
Iterating over dictionaries using 'for' loops
Python
Dictionary
Using global variables in a function
Python
Global Variables
Scope
Does Python have a string 'contains' substring method?
Python
String
Substring
Contains
How do I get the current time?
Python
Datetime
Time
Catch multiple exceptions in one line (except block)
Python
Exception
Exception Handling
How do I list all files of a directory?
Python
Directory
How do I sort a dictionary by value?
Python
Sorting
Dictionary
How to iterate over rows in a DataFrame in Pandas
Python
Pandas
Dataframe
What is the difference between __str__ and __repr__?
Python
Magic Methods
Repr
How can I add new keys to a dictionary?
Python
Dictionary
Lookup
Convert bytes to a string
Python
String
Python 3.x
How to copy files?
Python
File
Copy
Filesystems
File Copying
How do I concatenate two lists in Python?
Python
List
Concatenation
How do I check if a list is empty?
Python
List
What is __init__.py for?
Python
Module
Package
Python Packaging
"Least Astonishment" and the Mutable Default Argument
Python
Language Design
Default Parameters
Least Astonishment
What is the difference between Python's list methods append and extend?
Python
List
Data Structures
Append
Extend
How do I pass a variable by reference?
Python
Reference
Parameter Passing
Pass by-Reference
How can I make a time delay?
Python
Python 3.x
Delay
Sleep
Timedelay
How do I clone a list so that it doesn't change unexpectedly after assignment?
Python
List
Reference
Copy
Clone
How to make function decorators and chain them together?
Python
Decorator
Python Decorators
How do I select rows from a DataFrame based on column values?
Python
Pandas
Dataframe
What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
Python
Syntax
Parameter Passing
Variadic Functions
Argument Unpacking
Understanding Python super() with __init__() methods
Python
Class
Oop
Inheritance
Super
How do I delete a file or folder in Python?
Python
File Io
Directory
Delete File
Manually raising (throwing) an exception in Python
Python
Exception
How do I change the size of figures drawn with Matplotlib?
Python
Graph
Matplotlib
Plot
Visualization
How do you split a list into evenly sized chunks?
Python
List
Split
Chunks
How do I print colored text to the terminal?
Python
Terminal
Output
Ansi Colors
Converting string into datetime
Python
Datetime
How do I access environment variables in Python?
Python
Environment Variables
Find the current directory and file's directory
Python
Directory
Why is "1000000000000000 in range(1000000000000001)" so fast in Python 3?
Python
Performance
Python 3.x
Range
Python Internals
How can I install pip on Windows?
Python
Windows
Installation
Pip
Easy Install
Check if a given key already exists in a dictionary
Python
Dictionary
How do I parse a string to a float or int?
Python
Parsing
Floating Point
Type Conversion
Integer
How do I get the last element of a list?
Python
List
Indexing
Renaming column names in Pandas
Python
Pandas
Replace
Dataframe
Rename
How can I remove a key from a Python dictionary?
Python
Dictionary
Unset
How do I get a substring of a string in Python?
Python
String
Substring
How to upgrade all Python packages with pip
Python
Pip
How do I sort a list of dictionaries by a value of the dictionary?
Python
List
Sorting
Dictionary
Data Structures
How do I lowercase a string in Python?
Python
String
Uppercase
Lowercase
Static class variables and methods in Python
Python
Class
Oop
Static
Class Variables
How to print without a newline or space
Python
Calling a function of a module by using its name (a string)
Python
Object
How do I get the number of elements in a list in Python?
Python
List
How can I randomly select an item from a list?
Python
List
Random
How to know if an object has an attribute in Python
Python
Attributes
How to leave/exit/deactivate a Python virtualenv
Python
Virtualenv
Virtualenvwrapper
Limiting floats to two decimal points
Python
Floating Point
Rounding
Precision
Importing files from different folder
Python
Importerror
Python Import
Is there a way to run Python on Android?
Android
Python
Jython
Ase
Android Scripting
How do I print curly-brace characters in a string while using .format?
Python
String
Format
String Formatting
Curly Braces
Why is reading lines from stdin much slower in C++ than Python?
Python
C++
Benchmarking
Iostream
Getline
How to read a file line-by-line into a list?
Python
String
File
Readlines
Determine the type of an object?
Python
Dictionary
Types
Typeof
How to determine a Python variable's type?
Python
Types
How to remove an element from a list by index
Python
List
Indexing
Why is it string.join(list) instead of list.join(string)?
Python
String
List
How do I count the occurrences of a list item?
Python
List
Count
Delete an element from a dictionary
Python
Dictionary
Del
How do I remove a trailing newline?
Python
Newline
Trailing
Delete a column from a Pandas DataFrame
Python
Pandas
Dataframe
Static methods in Python?
Python
Static Methods
How do you append to a file?
Python
File
Append
How to check if the string is empty?
Python
String
Comparison Operators
How to pad zeroes to a string?
Python
String
Zero Padding
How do I check if a string is a number (float)?
Python
Casting
Floating Point
Type Conversion
Meaning of @classmethod and @staticmethod for beginner?
Python
Oop
Static Methods
Class Method
How to measure elapsed time in Python?
Python
Performance
Measure
Timeit
Getting the class name of an instance?
Python
Introspection
Instanceof
Python Datamodel
How to split the definition of a long string over multiple lines?
Python
String
Multiline
Multilinestring
Replacements for switch statement in Python?
Python
Switch Statement
Generate random integers between 0 and 9
Python
Random
Integer
What is the difference between venv, pyvenv, pyenv, virtualenv, virtualenvwrapper, pipenv, etc?
Python
Virtualenv
Virtualenvwrapper
Pyenv
Python Venv
Installing specific package version with pip
Python
Mysql
Pip
Pypi
Mysql Python
How do I install pip on macOS or OS X?
Python
Macos
Pip
Installation
How do you read from stdin?
Python
Stdin
Extracting extension from filename in Python
Python
Filenames
File Extension
How to print to stderr in Python?
Python
Printing
Stderr
Zen of-Python
What is the meaning of single and double underscore before an object name?
Python
Oop
Naming Conventions
Identifier
Random string generation with upper case letters and digits
Python
String
Random
Proper way to declare custom exceptions in modern Python?
Python
Exception
What's the canonical way to check for type in Python?
Python
Types
How to prettyprint a JSON file?
Python
Json
Formatting
Pretty Print
fatal error: Python.h: No such file or directory
Python
Gcc
Python C-Api
How do I convert two lists into a dictionary?
Python
List
Dictionary
How do I get the row count of a Pandas DataFrame?
Python
Pandas
Dataframe
How do I import a module given the full path?
Python
Python Import
Python Module
Selecting multiple columns in a Pandas dataframe
Python
Pandas
Dataframe
Select
How do I profile a Python script?
Python
Performance
Optimization
Time Complexity
Profiling
Why do Python classes inherit object?
Python
Class
Oop
Object
Inheritance
Reverse a string in Python
Python
String
What is the Python 3 equivalent of "python -m SimpleHTTPServer"
Python
Python 3.x
Httpserver
Simplehttpserver
Converting integer to string in Python
Python
String
Integer
Save plot to image file instead of displaying it using Matplotlib
Python
Matplotlib
Plot
Why can't Python parse this JSON data?
Python
Json
Parsing
Use of *args and **kwargs
Python
Args
Keyword Argument
How can I install packages using pip according to the requirements.txt file from a local directory?
Python
Virtualenv
Pip
How can I flush the output of the print function (unbuffer python output)?
Python
Python 3.x
Printing
Flush
Create a dictionary with comprehension
Python
Dictionary
List Comprehension
Dictionary Comprehension
How do I write JSON data to a file?
Python
Json
How do I get time of a Python program's execution?
Python
Time
Execution Time
What are the differences between type() and isinstance()?
Python
Oop
Inheritance
Types
Use different Python version with virtualenv
Python
Virtualenv
Virtualenvwrapper
How can I use threading in Python?
Python
Multithreading
Concurrency
Python Multithreading
UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' in position 20: ordinal not in range(128)
Python
Unicode
Beautifulsoup
Python 2.x
Python Unicode
How do I get the filename without the extension from a path in Python?
Python
String
Path
String formatting: % vs. .format vs. f-string literal
Python
Performance
Logging
String Formatting
F String
if/else in a list comprehension
Python
List Comprehension
Hidden features of Python
Python
Hidden Features
Creating a singleton in Python
Python
Singleton
Decorator
Base Class
Metaclass
What does __all__ mean in Python?
Python
Syntax
Namespaces
How do I check if directory exists in Python?
Python
Directory
How can I check for NaN values?
Python
Math
How do I check what version of Python is running my script?
Python
Version
Referring to the null object in Python
Python
Python 3.x
Object
Null
Interpreted Language
What is setup.py?
Python
Python 3.x
setup.py
Pypi
Python Packaging
How to put the legend outside the plot in Matplotlib
Python
Matplotlib
Legend
How to change the order of DataFrame columns?
Python
Pandas
Dataframe
What is the use of "assert" in Python?
Python
Assert
Assertion
How do I create multiline comments in Python?
Python
Comments
Documentation
How do I trim whitespace from a string?
Python
String
Trim
Relative imports for the billionth time
Python
Import
Relative Path
Python Packaging
Relative Import
How can I sort a dictionary by key?
Python
Sorting
Dictionary
Is there a built-in function to print all the current properties and values of an object?
Python
Debugging
Introspection
Pretty Print
Python Datamodel
In Python, how do I determine if an object is iterable?
Python
Iterable
Removing duplicates in lists
Python
Algorithm
List
Duplicates
Intersection
Best way to convert string to bytes in Python 3?
Python
String
Character Encoding
Python 3.x
Relative imports in Python 3
Python
Python 3.x
Python Import
How to terminate a script?
Python
Termination
How can I do a line break (line continuation) in Python?
Python
Syntax
Line Breaks
Long Lines
Why does comparing strings using either '==' or 'is' sometimes produce a different result?
Python
String
Comparison
Identity
Equality
How do I create a constant in Python?
Python
Constants
Correct way to write line to file?
Python
File Io
Change column type in pandas
Python
Pandas
Dataframe
Types
Casting
What is the purpose of the word 'self'?
Python
Class
Oop
Self
Get a list from Pandas DataFrame column headers
Python
Pandas
Dataframe
How to copy a dictionary and only edit the copy
Python
Dictionary
Reference
How to reverse a list?
Python
List
How to move a file in Python?
Python
File
File Handling
Python Os
How to read a text file into a string variable and strip newlines?
Python
String
Create a Pandas Dataframe by appending one row at a time
Python
Pandas
Dataframe
Append
Why do people write #!/usr/bin/env python on the first line of a Python script?
Python
Shell
Shebang
How do I connect to a MySQL Database in Python?
Python
Mysql
How do I get the full path of the current file's directory?
Python
Directory
How to add a new column to an existing DataFrame?
Python
Pandas
Dataframe
Chained Assignment
If Python is interpreted, what are .pyc files?
Python
Compiled
Interpreted Language
Pyc
Running shell command and capturing the output
Python
Shell
Subprocess
How do I find the location of my Python site-packages directory?
Python
Installation
Getting key with maximum value in dictionary?
Python
Dictionary
Max
Display number with leading zeros
Python
Integer
String Formatting
How does the @property decorator work in Python?
Python
Properties
Decorator
Python Decorators
Python Internals
How do I check if a variable exists?
Python
Exception
Variables
What is a mixin and why is it useful?
Python
Oop
Multiple Inheritance
Mixins
How to get the ASCII value of a character
Python
Ascii
How to get line count of a large file cheaply in Python?
Python
Text Files
Line Count
Does Django scale?
Python
Django
Web Applications
Scalability
Putting a simple if-then-else statement on one line
Python
If Statement
Syntax
Ternary Operator
How to drop rows of Pandas DataFrame whose value in a certain column is NaN
Python
Pandas
Dataframe
Nan
How do I get file creation and modification date/times?
Python
File
What is the difference between null=True and blank=True in Django?
Python
Django
Django Models
Best way to return multiple values from a function?
Python
Coding Style
Return
Return Value
pg_config executable not found
Python
Pip
Psycopg2
What does the 'b' character do in front of a string literal?
Python
String
Unicode
Binary
How do I trim whitespace?
Python
String
Whitespace
Trim
Strip
Count the number of occurrences of a character in a string
Python
String
Count
How does Python's super() work with multiple inheritance?
Python
Multiple Inheritance
How to make a class JSON serializable
Python
Json
Serialization
"Large data" workflows using pandas
Python
Mongodb
Pandas
Hdf5
Large Data
Difference between del, remove, and pop on lists
Python
List
How do I get a list of locally installed Python modules?
Python
Module
Pip
How to catch and print the full exception traceback without halting/exiting the program?
Python
Exception
Try Catch
Traceback
How can I represent an 'Enum' in Python?
Python
Python 3.x
Enums
What are the most common Python docstring formats?
Python
Coding Style
Documentation
Docstring
How to deal with SettingWithCopyWarning in Pandas
Python
Pandas
Dataframe
Chained Assignment
How to return dictionary keys as a list in Python?
Python
Python 3.x
List
Dictionary
Python 2.x
How to iterate through two lists in parallel?
Python
List
For Loop
Iterator
Fastest way to check if a value exists in a list
Python
Performance
List
How to parse XML and get instances of a particular node attribute?
Python
Xml
How to overcome "datetime.datetime not JSON serializable"?
Python
Json
What's the difference between lists and tuples?
Python
List
Tuples
Is there a simple way to delete a list element by value?
Python
List
How to print an exception in Python?
Python
Exception
Error Handling
Extract file name from path, no matter what the os/path format
Python
Get difference between two lists
Python
Performance
List
Set
Set Difference
Get the data received in a Flask request
Python
Flask
Werkzeug
What are "named tuples" in Python?
Python
Tuples
Namedtuple
How do I install a Python package with a .whl file?
Python
Pip
Python Wheel
Jpype
Use a list of values to select rows from a Pandas dataframe
Python
Pandas
Dataframe
Should I put #! (shebang) in Python scripts, and what form should it take?
Python
Shell
Python 3.x
Shebang
What is the difference between old style and new style classes in Python?
Python
Class
Oop
Types
New Style-Class
Get unique values from a list in python
Python
List
What is the correct cross-platform way to get the home directory in Python?
Python
Cross Platform
Home Directory
Remove all whitespace in a string
Python
Trim
Removing Whitespace
How do you test that a Python function throws an exception?
Python
Unit Testing
Exception
How can I import other Python files?
Python
Python Import
Python Module
Python Packaging
Checking whether a variable is an integer or not
Python
Integer
Should I use 'has_key()' or 'in' on Python dicts?
Python
Dictionary
How to sort a list of objects based on an attribute of the objects?
Python
List
Sorting
Count
Maximum and Minimum values for ints
Python
Integer
Usage of __slots__?
Python
Oop
Python Internals
Slots
How to convert list to string
Python
String
List
Find all files in a directory with extension .txt in Python
Python
File Io
Converting unix timestamp string to readable date
Python
Datetime
Unix Timestamp
Strftime
Converting from a string to boolean in Python?
Python
String
Boolean
How to print number with commas as thousands separators?
Python
Number Formatting
What IDE to use for Python?
Python
Ide
Editor
How to download a file over HTTP?
Python
Http
Urllib
Convert a String representation of a Dictionary to a dictionary?
Python
String
Dictionary
How to subtract a day from a date?
Python
Datetime
Date
Convert list of dictionaries to a pandas DataFrame
Python
Dictionary
Pandas
Dataframe
How do I remove/delete a folder that is not empty?
Python
File
List comprehension vs. lambda + filter
Python
List
Functional Programming
Filter
Lambda
How to emulate a do-while loop?
Python
While Loop
Do While
Pretty-print an entire Pandas Series / DataFrame
Python
Pandas
Dataframe
How do I check file size in Python?
Python
File
How do I unload (reload) a Python module?
Python
Module
Reload
Python Import
Python's equivalent of && (logical-and) in an if-statement
Python
Behaviour of increment and decrement operators in Python
Python
Operators
Increment
Decrement
How to create a GUID/UUID in Python
Python
Uuid
Guid
Uniqueidentifier
Find which version of package is installed with pip
Python
Pip
How are lambdas useful?
Python
Function
Lambda
Closures
Peak detection in a 2D array
Python
Image Processing
How do I remove the first item from a list?
Python
List
How to get a function name as a string?
Python
String
Function
mkdir -p functionality in Python
Python
Path
Directory Structure
Mkdir
Why use pip over easy_install?
Python
Pip
Setuptools
Easy Install
Pypi
What is the easiest way to remove all packages installed by pip?
Python
Pip
Virtualenv
Python Packaging
What is the difference between pip and conda?
Python
Pip
Ipython
Package Managers
Conda
How do I concatenate items in a list to a single string?
Python
String
List
Concatenation
Why dict.get(key) instead of dict[key]?
Python
Dictionary
Multiprocessing vs Threading Python
Python
Multithreading
Multiprocessing
How can I write a `try`/`except` block that catches all exceptions?
Python
Exception
How do I type hint a method with the type of the enclosing class?
Python
Python 3.x
Pycharm
Type Hinting
Python Typing
How to get an absolute file path in Python
Python
Path
Relative Path
Absolute Path
How can I make a Python script standalone executable to run without ANY dependency?
Python
Executable
How to retrieve a module's path?
Python
Module
Inotify
How to set environment variables in Python?
Python
Environment Variables
What is the naming convention in Python for variable and function names?
Python
Variables
Function
Naming Conventions
Writing a pandas DataFrame to CSV file
Python
Csv
Pandas
Dataframe
How to check if type of a variable is string?
Python
String
Variables
Types
What do __init__ and self do in Python?
Python
Oop
Self
How to remove items from a list while iterating?
Python
Iteration
Traverse a list in reverse order in Python
Python
Loops
Reverse
Python integer incrementing with ++
Python
Syntax
Increment
How do you remove duplicates from a list whilst preserving order?
Python
List
Duplicates
Unique
What is __pycache__?
Python
Python 3.x
Caching
What are the differences between the urllib, urllib2, urllib3 and requests module?
Python
Python Requests
Urllib2
Urllib
Python 2.x
How to use a decimal range() step value?
Python
Floating Point
Range
How to POST JSON data with Python Requests?
Python
Json
Python Requests
Cherrypy
How to use glob() to find files recursively?
Python
Path
Filesystems
Glob
Fnmatch
pip install from git repo branch
Python
Git
Pip
How to make IPython notebook matplotlib plot inline
Python
Matplotlib
Jupyter Notebook
Ipython
Data Visualization
pip install mysql-python fails with EnvironmentError: mysql_config not found
Python
Pip
Mysql Python
Importing modules from parent folder
Python
Module
Path
Directory
Python Import
Is there any way to kill a Thread?
Python
Multithreading
Kill
Terminate
Python `if x is not None` or `if not x is None`?
Python
Coding Style
Nonetype
Boolean Expression
Pep8
Convert hex string to int in Python
Python
String
Hex
How do I determine the size of an object in Python?
Python
Object
Memory
Memory Management
Sizeof
Parsing boolean values with argparse
Python
Boolean
Argparse
Command Line-Arguments
How to check the version of Python modules
Python
Why does Python code run faster in a function?
Python
Performance
Profiling
Benchmarking
Cpython
Is there a list of Pytz Timezones?
Python
Django
Pytz
How do I convert a datetime to date?
Python
Datetime
python setup.py uninstall
Python
setup.py
Pypi
Reverse / invert a dictionary mapping
Python
Dictionary
Mapping
Reverse
Running unittest with typical test directory structure
Python
Unit Testing
How to properly ignore exceptions
Python
Exception
Try Except
How can I parse a YAML file in Python
Python
Yaml
How do I detect whether a Python variable is a function?
Python
What is the best project structure for a Python application?
Python
Directory Structure
Organization
Project Structure
What is a clean "pythonic" way to implement multiple constructors?
Python
Class
Constructor
Remove empty strings from a list of strings
Python
String
List
List comprehension vs map
Python
List Comprehension
Map Function
error: Unable to find vcvarsall.bat
Python
Windows
Pip
setup.py
Failed Installation
Shuffling a list of objects
Python
List
Random
Shuffle
How do I expand the output display to see more columns of a Pandas DataFrame?
Python
Pandas
Printing
Column Width
Get key by value in dictionary
Python
Dictionary
Writing a list to a file with Python
Python
File
List
File Io
Newline
List of lists changes reflected across sublists unexpectedly
Python
List
Nested Lists
Mutable
How do you get the logical xor of two variables in Python?
Python
Logical Operators
How to import the class within the same directory or sub directory?
Python
Python Import
Using Python 3 in virtualenv
Python
Python 3.x
Virtualenv
How do I do a not equal in Django queryset filtering?
Python
Django
Django Models
Django Queryset
What is __future__ in Python used for and how/when to use it, and how it works
Python
Python 2.x
What does functools.wraps do?
Python
Decorator
Functools
not None test in Python
Python
Nonetype
Convert date to datetime in Python
Python
Datetime
Date
How to define a two-dimensional array?
Python
List
Multidimensional Array
Deleting DataFrame row in Pandas based on column value
Python
Pandas
open() in Python does not create a file if it doesn't exist
Python
Linux
File Io
File Permissions
How to sort a list/tuple of lists/tuples by the element at a given index?
Python
List
Sorting
Tuples
How can I use Python to get the system hostname?
Python
Hostname
Python: What OS am I running on?
Python
Cross Platform
Platform Specific
Platform Agnostic
How are iloc and loc different?
Python
Pandas
Dataframe
Indexing
Pandas Loc
How can I open multiple files using "with open" in Python?
Python
File Io
UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to <undefined>
Python
Python 3.x
Unicode
File Io
Decode
What is the purpose and use of **kwargs?
Python
Keyword Argument
Combine two columns of text in pandas dataframe
Python
Pandas
Dataframe
Print string to text file
Python
String
Text
File Io
How do I parse an ISO 8601-formatted date?
Python
Datetime
Iso8601
Datetime Parsing
Rfc3339
Getting a list of all subdirectories in the current directory
Python
Directory
Subdirectory
What does the "at" (@) symbol do in Python?
Python
Syntax
Python Decorators
Python: Find in list
Python
Find
What does -> mean in Python function definitions?
Python
Python 3.x
Annotations
Function Definition
How can I iterate over files in a given directory?
Python
Iterator
Directory
What is the difference between range and xrange functions in Python 2.X?
Python
Loops
Range
Python 2.x
Xrange
TypeError: a bytes-like object is required, not 'str' when writing to a file in Python 3
Python
Python 3.x
String
File
Byte
How do I get the day of week given a date?
Python
Date
Datetime
Time
Weekday
Styling multi-line conditions in 'if' statements?
Python
Coding Style
If Statement
How to fix "Attempted relative import in non-package" even with __init__.py
Python
Package
Python Import
Importerror
Init
How do I set the figure title and axes labels font size in Matplotlib?
Python
Matplotlib
Equivalent of shell 'cd' command to change the working directory?
Python
Cd
Argparse optional positional arguments?
Python
Argparse
How to change a string into uppercase
Python
String
Uppercase
How to get the last day of the month?
Python
Date
What exactly do "u" and "r" string prefixes do, and what are raw string literals?
Python
Unicode
Python 2.x
Rawstring
Purpose of "%matplotlib inline"
Python
Matplotlib
Jupyter Notebook
Ipython
Import a module from a relative path
Python
Relative Path
Python Import
How to test multiple variables for equality against a single value?
Python
If Statement
Comparison
Match
Boolean Logic
How to print the full NumPy array, without truncation?
Python
Arrays
Numpy
Options
Output Formatting
Best way to strip punctuation from a string
Python
String
Punctuation
Adding a method to an existing object instance
Python
Oop
Methods
Monkeypatching
How to change the font size on a matplotlib plot
Python
Matplotlib
Font Size
Using @property versus getters and setters
Python
Properties
Getter Setter
How to generate all permutations of a list?
Python
Algorithm
Permutation
Combinatorics
Python 2.5
How to check if a string is a substring of items in a list of strings?
Python
String
List
How to print a date in a regular format?
Python
Datetime
Date
Split Strings into words with multiple word boundary delimiters
Python
String
Split
Create an empty list in Python with certain size
Python
List
ImportError: No module named requests
Python
Python Requests
Python Import
Why is python setup.py saying invalid command 'bdist_wheel' on Travis CI?
Python
Travis Ci
setup.py
Pypi
Why are Python's 'private' methods not actually private?
Python
Python 2.7
Encapsulation
Information Hiding
How can I force division to be floating point? Division keeps rounding down to 0?
Python
Floating Point
Integer
Division
Python 2.x
Difference between modes a, a+, w, w+, and r+ in built-in open function?
Python
How to use multiprocessing pool.map with multiple arguments
Python
Multiprocessing
Python Multiprocessing
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
Python
Performance
Jit
Pypy
Cpython
How to convert string representation of list to a list?
Python
String
Why is [] faster than list()?
Python
Performance
List
Instantiation
Literals
What does the Ellipsis object do?
Python
Ellipsis
What is the Python equivalent of static variables inside a function?
Python
Static
How do I update/upgrade pip itself from inside my virtual environment?
Python
Upgrade
Virtualenv
Pip
Package Managers
Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX AVX2
Python
Tensorflow
Cpu
Avx
Is arr.__len__() the preferred way to get the length of an array in Python?
Python
Arrays
Methods
What is the difference between dict.items() and dict.iteritems() in Python2?
Python
Dictionary
Python 2.x
Automatically create requirements.txt
Python
Dependencies
Python Import
requirements.txt
python exception message capturing
Python
Exception
Logging
Except
Pandas Merging 101
Python
Pandas
Join
Merge
Concatenation
How can I capitalize the first letter of each word in a string?
Python
Capitalization
Capitalize
What's the difference between a Python module and a Python package?
Python
Module
Package
Convert all strings in a list to int
Python
List
Int
Creating an empty Pandas DataFrame, then filling it?
Python
Dataframe
Pandas
IndentationError: unindent does not match any outer indentation level
Python
Indentation
What is monkey patching?
Python
Terminology
Monkeypatching
Which Python memory profiler is recommended?
Python
Performance
Memory Management
Profiling
How to create a zip archive of a directory?
Python
Zip
Archive
Python Zipfile
How do I call a parent class's method from a child class in Python?
Python
Class
Oop
Object
Inheritance
Filter pandas DataFrame by substring criteria
Python
String
Pandas
Dataframe
How to serve static files in Flask
Python
Flask
Static Files
What does the star and doublestar operator mean in a function call?
Python
Syntax
Parameter Passing
Iterable Unpacking
Argument Unpacking
How do I protect Python code from being read by users?
Python
Licensing
Obfuscation
Copy Protection
Which exception should I raise on bad/illegal argument combinations in Python?
Python
Exception
Arguments
How does collections.defaultdict work?
Python
Dictionary
Default Value
Defaultdict
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
Python
C
Performance
Haskell
Erlang
What is the intended use of the optional "else" clause of the "try" statement in Python?
Python
Exception
What is the purpose of the single underscore "_" variable in Python?
Python
Variables
Naming Conventions
Metasyntactic Variable
Single quotes vs. double quotes in Python
Python
Coding Style
How to read/process command line arguments?
Python
Command Line
Command Line-Arguments
TypeError: 'module' object is not callable
Python
Sockets
What is a "slug" in Django?
Python
Django
Url
Django Models
Slug
Python int to binary string?
Python
Binary
string.format
Saving utf-8 texts with json.dumps as UTF8, not as \u escape sequence
Python
Json
Unicode
Utf 8
Escaping
How do I remove packages installed with Python's easy_install?
Python
Packages
Setuptools
Easy Install
How to convert index of a pandas dataframe into a column
Python
Pandas
Dataframe
Indexing
Series
How to find out the number of CPUs using python
Python
System Information
Unzipping files in Python
Python
Zip
Unzip
Python Zipfile
What is the difference between __init__ and __call__?
Python
Class
Oop
Object
Callable Object
How to make a python script wait for a pressed key?
Python
Wait
Keyboard Input
How to count the NaN values in a column in pandas DataFrame
Python
Pandas
Dataframe
Shuffle DataFrame rows
Python
Pandas
Dataframe
Permutation
Shuffle
Getting today's date in YYYY-MM-DD in Python?
Python
Datetime
Python Datetime
How can the Euclidean distance be calculated with NumPy?
Python
Numpy
Euclidean Distance
Call a function from another file?
Python
File
Function
Import
How to filter Pandas dataframe using 'in' and 'not in' like in SQL
Python
Pandas
Dataframe
Sql Function
How do I get my program to sleep for 50 milliseconds?
Python
Timer
Sleep
How to print instances of a class using print()?
Python
Class
Printing
Object
How do I append one string to another in Python?
Python
String
Append
Get current time in milliseconds in Python?
Python
Datetime
Time
Remove final character from string
Python
String
Difference between Python's Generators and Iterators
Python
Iterator
Generator
Dump a NumPy array into a csv file
Python
Arrays
Csv
Numpy
Asking the user for input until they give a valid response
Python
Truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all()
Python
Pandas
Dataframe
Boolean
Filtering
Fixed digits after decimal with f-strings
Python
Python 3.x
F String
What does 'super' do in Python? - difference between super().__init__() and explicit superclass __init__()
Python
Oop
Inheritance
Multiple Inheritance
Super
How do I do a case-insensitive string comparison?
Python
Comparison
Case Insensitive
How can I get the concatenation of two lists in Python without modifying either one?
Python
Concatenation
Sequence
List Manipulation
Is there a portable way to get the current username in Python?
Python
Portability
How to make a timezone aware datetime object in Python?
Python
Datetime
Timezone
Python Datetime
Pytz
Set value for particular cell in pandas DataFrame using index
Python
Pandas
Dataframe
Cell
Nan
How do I get indices of N maximum values in a NumPy array?
Python
Numpy
Max
Numpy Ndarray
What's the idiomatic syntax for prepending to a short python list?
Python
List
Prepend
Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
Python
Pandas
Dataframe
Group By
Pandas Groupby
How can I represent an infinite number in Python?
Python
Infinite
Infinity
Does Python have “private” variables in classes?
Python
Class
Private
Split string with multiple delimiters in Python
Python
String
Split
Delimiter
How to delete the contents of a folder?
Python
File
How to disable Python warnings?
Python
Suppress Warnings
What is the quickest way to HTTP GET in Python?
Python
Http
Networking
Can I force pip to reinstall the current version?
Python
Pip
Packages
Create list of single item repeated N times
Python
List Comprehension
Multiplication
Replicate
Python and pip, list all versions of a package that's available?
Python
Pip
Append integer to beginning of list in Python
Python
List
Variables
Append
Filter dict to contain only certain keys?
Python
Dictionary
How to calculate number of days between two given dates
Python
Date
Datetime
How to urlencode a querystring in Python?
Python
Urllib
Urlencode
When to use cla(), clf() or close() for clearing a plot in matplotlib?
Python
Matplotlib
Plot
How do you round UP a number?
Python
Floating Point
Integer
Rounding
Python list of dictionaries search
Python
Search
Dictionary
ImportError: Cannot import name X
Python
Python Import
Importerror
Circular Dependency
What is the best way to remove accents (normalize) in a Python unicode string?
Python
Python 3.x
Unicode
Python 2.x
Diacritics
Remove specific characters from a string in Python
Python
String
Replace
Immutability
TensorFlow not found using pip
Python
Tensorflow
Pip
Changing the "tick frequency" on x or y axis in matplotlib
Python
Matplotlib
Plot
Axes
Xticks
Return a default value if a dictionary key is not available
Python
Dictionary
Key
Nonetype
Add a new item to a dictionary in Python
Python
Dictionary
Items
How to check Django version
Python
Django
Dealing with multiple Python versions and PIP?
Python
Pip
Are dictionaries ordered in Python 3.6+?
Python
Python 3.x
Dictionary
Python Internals
Python 3.6
Python progression path - From apprentice to guru
Python
How can I pass a list as a command-line argument with argparse?
Python
Argparse
How can I see normal print output created during pytest run?
Python
Logging
Output
Pytest
How to get the position of a character in Python?
Python
String
How can I fill out a Python string with spaces?
Python
String
String Formatting
Pad
Does Python's time.time() return the local or UTC timestamp?
Python
Time
Timezone
Import multiple csv files into pandas and concatenate into one DataFrame
Python
Pandas
Csv
Dataframe
Concatenation
Why is __init__() always called after __new__()?
Python
Design Patterns
Class Design
What is the Python equivalent for a case/switch statement?
Python
Switch Statement
Match
Case
How to break out of multiple loops?
Python
Nested Loops
Break
Control Flow
How to set the current working directory?
Python
Working Directory
Finding local IP addresses using Python's stdlib
Python
How can I check if a string represents an int, without using try/except?
Python
String
Integer
How to avoid Python/Pandas creating an index in a saved csv?
Python
Csv
Indexing
Pandas
What is the python keyword "with" used for?
Python
Is it possible to break a long line to multiple lines in Python?
Python
Line Breaks
Determine function name from within that function (without using traceback)
Python
Function
Introspection
Traceback
Why does python use 'else' after for and while loops?
Python
If Statement
For Loop
For Else
Getting file size in Python?
Python
File
Size
How to build a basic iterator?
Python
Object
Iterator
How to state in requirements.txt a direct github source
Python
Github
Pip
requirements.txt
How to save/restore a model after training?
Python
Tensorflow
What is a Python egg?
Python
Package
Egg
How would you make a comma-separated string from a list of strings?
Python
String
List
Convert list to tuple in Python
Python
Python 2.7
Tuples
How to install psycopg2 with "pip" on Python?
Python
Virtualenv
Psycopg2
Pip
Convert pandas dataframe to NumPy array
Python
Arrays
Pandas
Numpy
Dataframe
How do I capture SIGINT in Python?
Python
Controls
Signals
Getting the index of the returned max or min item using max()/min() on a list
Python
List
Max
Min
How to install pip with Python 3?
Python
Python 3.x
Pip
Package
Setuptools
How do I use raw_input in Python 3
Python
Python 3.x
How do I log a Python error with debug information?
Python
Exception
Logging
Exception Handling
Simple argparse example wanted: 1 argument, 3 results
Python
Argparse
Is there a difference between "==" and "is"?
Python
Reference
Equality
Semantics
How to debug in Django, the good way?
Python
Django
Debugging
What is the difference between re.search and re.match?
Python
Regex
Search
Match
Convert nested Python dict to object?
Python
Object
Dictionary
Does Python have an ordered set?
Python
Set
How do I convert seconds to hours, minutes and seconds?
Python
Datetime
What does on_delete do on Django models?
Python
Django
Django Models
How to import a module given its name as string?
Python
Python Import
Differences between distribute, distutils, setuptools and distutils2?
Python
Packaging
Setuptools
Distutils
Distribute
How to return a dict as a JSON response from a Flask view?
Python
Json
Flask
Converting a Pandas GroupBy output from Series to DataFrame
Python
Pandas
Dataframe
Pandas Groupby
Multi Index
Difference between map, applymap and apply methods in Pandas
Python
Pandas
Dataframe
Vectorization
How do I use itertools.groupby()?
Python
Itertools
pip uses incorrect cached package version, instead of the user-specified version
Python
Pip
How to check if any value is NaN in a Pandas DataFrame
Python
Pandas
Dataframe
Nan
Disable output buffering
Python
Stdout
Buffered
Finding the average of a list
Python
List
Lambda
Average
Reduce
How to split a string into a list?
Python
List
Split
Text Segmentation
Sort a list by multiple attributes?
Python
Sorting
Getting a map() to return a list in Python 3.x
Python
List
Python 3.x
Map Function
What is the maximum recursion depth in Python, and how to increase it?
Python
Recursion
How can I find script's directory?
Python
Directory
Django Views
Getcwd
Difference between abstract class and interface in Python
Python
Interface
Abstract Class
CSV file written with Python has blank lines between each row
Python
Windows
Csv
What is the most "pythonic" way to iterate over a list in chunks?
Python
List
Loops
Optimization
Chunks
How to get all possible combinations of a list’s elements?
Python
Combinations
Correct way to try/except using Python requests module?
Python
Request
Python Requests
Python exit commands - why so many and when should each be used?
Python
How do I find the duplicates in a list and create another list with them?
Python
List
Duplicates
Constructing pandas DataFrame from values in variables gives "ValueError: If using all scalar values, you must pass an index"
Python
Pandas
Dataframe
Scalar
Configure Flask dev server to be visible across the network
Python
Flask
Werkzeug
Rename a dictionary key
Python
Dictionary
Ordereddictionary
Python "extend" for a dictionary
Python
Dictionary
How to apply a function to two columns of Pandas dataframe
Python
Pandas
Dataframe
What does -1 mean in numpy reshape?
Python
Numpy
Reshape
Numpy Ndarray
UnicodeDecodeError when reading CSV file in Pandas with Python
Python
Pandas
Csv
Dataframe
Unicode
Why use def main()?
Python
Coding Style
Decorators with parameters?
Python
Decorator
Get HTML source of WebElement in Selenium WebDriver using Python
Python
Selenium
Selenium Webdriver
Webdriver
Automated Tests
How to get a value from a cell of a dataframe?
Python
Pandas
Dataframe
How to extract numbers from a string in Python?
Python
Regex
String
Numbers
Directory-tree listing in Python
Python
File
Directory
Subdirectory
Directory Tree
How to access the ith column of a NumPy multidimensional array?
Python
Arrays
Numpy
Making Python loggers output all messages to stdout in addition to log file
Python
Logging
Error Logging
if else in a list comprehension
Python
List
List Comprehension
If Statement
How to use StringIO in Python3?
Python
Python 3.x
Io
mysql_config not found when installing mysqldb python interface
Python
Linux
Ssh
Mysql Python
"is" operator behaves unexpectedly with integers
Python
Int
Operators
Identity
Python Internals
Split string on whitespace in Python
Python
Regex
String
Split
Whitespace
C-like structures in Python
Python
Struct
String comparison in Python: is vs. ==
Python
String
Comparison
Equality
Selenium using Python - Geckodriver executable needs to be in PATH
Python
Selenium
Firefox
Selenium Firefoxdriver
Geckodriver
How to prompt for user input and read command-line arguments
Python
Input
Command Line-Arguments
What is the common header format of Python files?
Python
Header
Comments
How to get a random number between a float range?
Python
Random
Floating Point
How to do relative imports in Python?
Python
Python Import
Python Module
How to read a large file - line by line?
Python
File Read
How to declare an array in Python?
Python
Arrays
Alphabet range in Python
Python
String
List
Alphabet
Finding what methods a Python object has
Python
Introspection
How to split a string into a list of characters?
Python
String
List
How to retrieve an element from a set without removing it?
Python
Set
Is there a NumPy function to return the first index of something in an array?
Python
Arrays
Numpy
Separation of business logic and data access in django
Python
Django
Model View-Controller
Data Access-Layer
Business Logic-Layer
Python vs Cpython
Python
Cpython
How to rename a file using Python
Python
File Rename
How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
Python
Pandas
Dataframe
Nan
setting y-axis limit in matplotlib
Python
Matplotlib
Calling C/C++ from Python?
C++
Python
C
bash: pip: command not found
Python
Macos
Pip
Python 2.6
Is there a short contains function for lists?
Python
List
Search
Collections
Contains
Is it worth using Python's re.compile?
Python
Regex
Import a file from a subdirectory?
Python
Python Import
What is related_name used for?
Python
Django
Foreign Keys
Many to-Many
pip install fails with "connection error: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:598)"
Python
Windows
Ssl
Pip
How do I resize an image using PIL and maintain its aspect ratio?
Python
Image
Python Imaging-Library
Thumbnails
Python error "ImportError: No module named"
Python
Importerror
Python Import
A non-blocking read on a subprocess.PIPE in Python
Python
Io
Subprocess
Nonblocking
Is there a simple way to remove multiple spaces in a string?
Python
Regex
String
Python: Checking if a 'Dictionary' is empty doesn't seem to work
Python
Dictionary
How do you access the query string in Flask routes?
Python
Flask
Query String
Transpose/Unzip Function (inverse of zip)?
Python
List
Matrix
Transpose
How to find elements by class
Python
Html
Web Scraping
Beautifulsoup
Most pythonic way to delete a file which may not exist
Python
How to "test" NoneType in python?
Python
Nonetype
Access an arbitrary element in a dictionary in Python
Python
Dictionary
SQLAlchemy ORDER BY DESCENDING?
Python
Sqlalchemy
In practice, what are the main uses for the "yield from" syntax in Python 3.3?
Python
Yield
How can I use pickle to save a dict (or any other Python object)?
Python
Dictionary
Pickle
Set up a scheduled job?
Python
Django
Web Applications
Scheduled Tasks
SQLAlchemy: What's the difference between flush() and commit()?
Python
Sqlalchemy
How do I find the location of Python module sources?
Python
Module
Where does pip install its packages?
Python
Django
Pip
Virtualenv
Most efficient way to map function over numpy array
Python
Performance
Numpy
Empty set literal?
Python
Set
Literals
Determine whether integer is between two other integers
Python
ValueError: invalid literal for int() with base 10: ''
Python
Valueerror
How to count the occurrence of certain item in an ndarray?
Python
Numpy
Multidimensional Array
Count
Iterating each character in a string using Python
Python
String
Iteration
Best practice for using assert?
Python
Assert
Assertion
Raise
Get name of current script in Python
Python
Scripting
Basename
How to read a file without newlines?
Python
Line Breaks
Readlines
In Matplotlib, what does the argument mean in fig.add_subplot(111)?
Python
Matplotlib
Figure
Proper way to use **kwargs in Python
Python
Keyword Argument
Error: " 'dict' object has no attribute 'iteritems' "
Python
Python 3.x
Dictionary
Printing Python version in output
Python
Check if multiple strings exist in another string
Python
Arrays
String
Exists
How can I get the source code of a Python function?
Python
Function
How do I correctly clean up a Python object?
Python
Destructor
Where do the Python unit tests go?
Python
Unit Testing
Code Organization
Writing unit tests in Python: How do I start?
Python
Unit Testing
Testing
What is the difference between '/' and '//' when used for division?
Python
Math
Syntax
Operators
Floor Division
Python Pandas Error tokenizing data
Python
Csv
Pandas
Proper indentation for multiline strings?
Python
String
How to delete a character from a string using Python
Python
String
Filter dataframe rows if value in column is in a set list of values
Python
Pandas
Dataframe
What does it mean if a Python object is "subscriptable" or not?
Python
Terminology
Import error: No module name urllib2
Python
Python 3.x
Urllib2
Install a Python package into a different directory using pip?
Python
Pip
What's the pythonic way to use getters and setters?
Python
Getter Setter
Get exception description and stack trace which caused an exception, all as a string
Python
Python 2.7
Exception Handling
Stack Trace
How to comment out a block of code in Python
Python
Docstring
ISO time (ISO 8601) in Python
Python
Datetime
Iso8601
Adding days to a date in Python
Python
Date
Datetime
Timedelta
How can I get the named parameters from a URL using Flask?
Python
Web Services
Flask
Url Parameters
Use 'import module' or 'from module import'?
Python
Python Import
Text progress bar in terminal with block characters
Python
Console
Progress
Updating
Download large file in python with requests
Python
Download
Stream
Python Requests
How do I translate an ISO 8601 datetime string into a Python datetime object?
Python
Datetime
Iso8601
Datetime Parsing
How to delete rows from a pandas DataFrame based on a conditional expression
Python
Pandas
Find full path of the Python interpreter?
Python
Path
How to get the return value from a thread in Python?
Python
Multithreading
Return Value
pandas create new column based on values from other columns / apply a function of multiple columns, row-wise
Python
Pandas
Numpy
Apply
What are the advantages of NumPy over regular Python lists?
Python
Arrays
List
Numpy
Numpy Ndarray
Convert a Unicode string to a string in Python (containing extra symbols)
Python
String
Unicode
Type Conversion
How can I explicitly free memory in Python?
Python
Memory
Memory Management
How to find all occurrences of an element in a list
Python
List
Indices
Get all object attributes in Python?
Python
Introspection
Python 2.6
What's the difference between eval, exec, and compile?
Python
Dynamic
Eval
Exec
Creating a JSON response using Django and Python
Python
Django
Json
Split string every nth character?
Python
String
Split
What exactly are iterator, iterable, and iteration?
Python
Iterator
Iteration
Terminology
Iterable
Can a website detect when you are using Selenium with chromedriver?
Javascript
Python
Google Chrome
Selenium
Selenium Chromedriver
Which version of Python do I have installed?
Python
Version
Windows Server
Creating a range of dates in Python
Python
Datetime
Date
Selecting a row of pandas series/dataframe by integer index
Python
Pandas
Dataframe
Indexing
How can I get list of values from dict?
Python
List
Dictionary
How can I pivot a dataframe?
Python
Pandas
Group By
Pivot
Pandas Groupby
How do I calculate the date six months from the current date using the datetime Python module?
Python
Datetime
Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
Python
Dictionary
Is it a good practice to use try-except-else in Python?
Python
Exception
Exception Handling
Try Catch
Sorting list based on values from another list
Python
List
Sorting
Multiple variables in a 'with' statement?
Python
With Statement
Creating a new dictionary in Python
Python
Dictionary
How do I get the path and name of the file that is currently executing?
Python
Scripting
File
How to list all functions in a Python module?
Python
Reflection
Module
Inspect
Change the name of a key in dictionary
Python
Dictionary
Sequence
How do I change the figure size with subplots?
Python
Matplotlib
Understanding dict.copy() - shallow or deep?
Python
Dictionary
Copy
No module named pkg_resources
Python
Django
Virtualenv
Setuptools
Pip
How to properly assert that an exception gets raised in pytest?
Python
Unit Testing
Testing
Pytest
How to check whether a pandas DataFrame is empty?
Python
Pandas
Dataframe
Remove all the elements that occur in one list from another
Python
List
Python datetime to string without microsecond component
Python
Datetime
Datetime Format
Difference between __getattr__ and __getattribute__
Python
Getattr
Getattribute
logger configuration to log to file and print to stdout
Python
File
Logging
Stdout
How do I read CSV data into a record array in NumPy?
Python
Numpy
Scipy
Genfromtxt
Python - Create list with numbers between 2 values?
Python
List
How do I determine if my python shell is executing in 32bit or 64bit?
Python
Macos
Why do some functions have underscores "__" before and after the function name?
Python
Function
Methods
Double Underscore
Installation Issue with matplotlib Python
Python
Macos
Matplotlib
Anaconda
Is there a simple, elegant way to define singletons?
Python
Design Patterns
Singleton
List vs tuple, when to use each?
Python
List
Types
Tuples
Reimport a module in python while interactive
Python
Flatten an irregular list of lists
Python
List
Optimization
Nested Lists
Flatten
Checking whether a string starts with XXXX
Python
String
String Comparison
How to write inline if statement for print?
Python
If Statement
Inline
Remap values in pandas column with a dict, preserve NaNs
Python
Dictionary
Pandas
Remap
Python: How to ignore an exception and proceed?
Python
Exception
Short description of the scoping rules?
Python
Scope
Dynamic Languages
Plot logarithmic axes with matplotlib in python
Python
Matplotlib
Scale
Logarithm
Read .mat files in Python
Python
Matlab
File Io
Scipy
Mat File
Sort a list of tuples by 2nd item (integer value)
Python
List
Tuples
How do I add default parameters to functions when using type hinting?
Python
Type Hinting
Python Typing
Python string.replace regular expression
Python
Regex
Replace
Elegant ways to support equivalence ("equality") in Python classes
Python
Equality
Equivalence
Error after upgrading pip: cannot import name 'main'
Python
Pip
How to find all occurrences of a substring?
Python
String
Expanding tuples into arguments
Python
Tuples
Parameter Passing
Check if all elements in a list are identical
Python
Algorithm
Comparison
Printing Lists as Tabular Data
Python
How do I access command line arguments?
Python
Command Line
Command Line-Arguments
Removing Conda environment
Python
Jupyter
Conda
How to fix: "UnicodeDecodeError: 'ascii' codec can't decode byte"
Python
Python 2.7
Chinese Locale
How do I find the time difference between two datetime objects in python?
Python
Datetime
Date Arithmetic
Pretty printing XML in Python
Python
Xml
Pretty Print
Append values to a set in Python
Python
Set
Append
return, return None, and no return at all?
Python
Null
Return
beyond top level package error in relative import
Python
Import
Package
How do I remove a substring from the end of a string?
Python
String
Iterating through a range of dates in Python
Python
Date
Datetime
Iteration
Date Range
Determine if variable is defined in Python
Python
Variables
Defined
How to round to 2 decimals with Python?
Python
Rounding
Circular (or cyclic) imports in Python
Python
Circular Dependency
Cyclic Reference
'pip' is not recognized as an internal or external command
Python
Django
Windows
Pip
Unresolved reference issue in PyCharm
Python
Ide
Pycharm
Changing one character in a string
Python
String
How do I create variable variables?
Python
Dictionary
Variable Variables
Why are there no ++ and -- operators in Python?
Python
Operators
How to check if a column exists in Pandas
Python
Pandas
Dataframe
No module named MySQLdb
Python
Django
Python 2.x
Explaining Python's '__enter__' and '__exit__'
Python
Oop
With Statement
Contextmanager
What is the python "with" statement designed for?
Python
Language Features
With Statement
Deep copy of a dict in python
Python
Python 3.x
Should import statements always be at the top of a module?
Python
Optimization
Pep8
Difference between exit() and sys.exit() in Python
Python
Exit
Suppress InsecureRequestWarning: Unverified HTTPS request is being made in Python2.6
Python
Python 2.6
Suppress Warnings
Urllib3
Pyvmomi
Run function from the command line
Python
Function
Command Line
Why does "not(True) in [False, True]" return False?
Python
Operator Precedence
Comparison Operators
What is the reason for having '//' in Python?
Python
Division
Get the last 4 characters of a string
Python
String
How can I compare two lists in python and return matches
Python
List
Hiding axis text in matplotlib plots
Python
Matplotlib
Plot
Pandas - How to flatten a hierarchical index in columns
Python
Pandas
Dataframe
Generator expressions vs. list comprehensions
Python
List Comprehension
Generator
how to sort pandas dataframe from one column
Python
Pandas
Dataframe
Sorting
Time
Append a dictionary to a dictionary
Python
Dictionary
How do I increase the cell width of the Jupyter/ipython notebook in my browser?
Python
Jupyter Notebook
Ipython
Jupyter
How to select all columns, except one column in pandas?
Python
Pandas
JSONDecodeError: Expecting value: line 1 column 1 (char 0)
Python
Json
Curl
What is the standard way to add N seconds to datetime.time in Python?
Python
Datetime
Time
Math
How to extract the substring between two markers?
Python
String
Substring
Find intersection of two nested lists?
Python
List
Intersection
What do the python file extensions, .pyc .pyd .pyo stand for?
Python
Pyc
How to reset index in a pandas dataframe?
Python
Indexing
Pandas
Dataframe
Remove all occurrences of a value from a list?
Python
List
Reloading submodules in IPython
Python
Ipython
Convert Python dict into a dataframe
Python
Pandas
Dataframe
How to find out if a Python object is a string?
Python
String
Types
Compatibility
The difference between sys.stdout.write and print?
Python
Printing
Stdout
Is it possible to use pip to install a package from a private GitHub repository?
Python
Git
Github
Pip
Print a list in reverse order with range()?
Python
List
Range
Reverse
Python Dictionary Comprehension
Python
Dictionary
List Comprehension
How to invoke the super constructor in Python?
Python
Class
Inheritance
Constructor
Superclass
Convert JSON string to dict using Python
Python
Json
String
Find index of last occurrence of a substring in a string
Python
String
Get list from pandas dataframe column or row?
Python
List
Pandas
What is a Python equivalent of PHP's var_dump()?
Php
Python
Debugging
Python Progress Bar
Python
Progress Bar
Is there a way to specify which pytest tests to run from a file?
Python
Pytest
Convert a list of characters into a string
Python
String
How to compare two dates?
Python
Datetime
How do I create test and train samples from one dataframe with pandas?
Python
Python 2.7
Pandas
Dataframe
How to specify multiple return types using type-hints
Python
Python 3.x
Type Hinting
Return Type
Python Typing
How to download image using requests
Python
Urllib2
Python Requests
Pandas read_csv low_memory and dtype options
Python
Parsing
Numpy
Pandas
Dataframe
Case insensitive regular expression without re.compile?
Python
Regex
Case Sensitive
Case Insensitive
How to check if an object is a list or tuple (but not string)?
Python
List
Types
Assert
How do I get the parent directory in Python?
Python
How can I use the apply() function for a single column?
Python
Pandas
Dataframe
How to sort a list of strings?
Python
String
Sorting
How can I rename a conda environment?
Python
Anaconda
Conda
Should you always favor xrange() over range()?
Python
Range
Xrange
Is there a way to perform "if" in python's lambda?
Python
Lambda
Python 2.6
List attributes of an object
Python
Class
Python 3.x
Sorting arrays in NumPy by column
Python
Arrays
Sorting
Numpy
Scipy
Python unittest - opposite of assertRaises?
Python
Unit Testing
Converting dictionary to JSON
Python
Json
Python 2.7
Dictionary
How do I execute a string containing Python code in Python?
Python
String
Exec
How to declare and add items to an array in Python?
Python
Arrays
Can I get JSON to load into an OrderedDict?
Python
Json
Load
Ordereddictionary
How to convert strings into integers?
Python
String
Integer
Selecting/excluding sets of columns in pandas
Python
Pandas
Dataframe
Get the first item from an iterable that matches a condition
Python
Iterator
Convert base-2 binary number string to int
Python
How to get POSTed JSON in Flask?
Python
Json
Post
Flask
How to group dataframe rows into list in pandas groupby
Python
Pandas
List
Aggregate
Pandas Groupby
How do I get the path of the Python script I am running in?
Python
Path
What is the difference between "is None" and "== None"
Python
Implement touch using Python?
Python
Utility
What is __main__.py?
Python
Python argparse command line flags without arguments
Python
Command Line-Arguments
Argparse
Automatically creating directories with file output
Python
File Io
Improve subplot size/spacing with many subplots in matplotlib
Python
Pandas
Matplotlib
Seaborn
Subplot
What is the purpose of meshgrid in Python / NumPy?
Python
Numpy
Multidimensional Array
Mesh
Numpy Ndarray
Working with UTF-8 encoding in Python source
Python
Encoding
Utf 8
Character Encoding
Python Requests throwing SSLError
Python
Ssl
Python Requests
Urllib3
Rotate axis text in python matplotlib
Python
Matplotlib
Python's time.clock() vs. time.time() accuracy?
Python
Time
What is the best way to compare floats for almost-equality in Python?
Python
Floating Point
Check if string matches pattern
Python
Regex
String Matching
Get first row value of a given column
Python
Pandas
Indexing
Head
How to save a Python interactive session?
Python
Shell
Read Eval-Print-Loop
Interactive Session
How to install lxml on Ubuntu
Python
Ubuntu
Lxml
Libxml2
Easy Install
How to change legend size with matplotlib.pyplot
Python
Size
Matplotlib
Legend
Installing Python packages from local file system folder to virtualenv with pip
Python
Pip
Why is there no tuple comprehension in Python?
Python
Tuples
List Comprehension
Dictionary Comprehension
Set Comprehension
How can I color Python logging output?
Python
Logging
Colors
How to re import an updated package while in Python Interpreter?
Python
When is del useful in Python?
Python
Dictionary
Python Internals
Del
How to get week number in Python?
Python
How to get current CPU and RAM usage in Python?
Python
System
Cpu
Status
Ram
How do I find out my PYTHONPATH using Python?
Python
Python Module
Pythonpath
setup script exited with error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
Python
Gcc
Pip
Odoo
How to update/upgrade a package using pip?
Python
Pip
What is memoization and how can I use it in Python?
Python
Memoization
Hide all warnings in ipython
Python
Warnings
Ipython
Why do we need the "finally" clause in Python?
Python
Exception Handling
Try Finally
What are logits? What is the difference between softmax and softmax_cross_entropy_with_logits?
Python
Machine Learning
Tensorflow
Get the cartesian product of a series of lists?
Python
List
Cartesian Product
How to pretty print nested dictionaries?
Python
Dictionary
How to set Python's default version to 3.x on OS X?
Python
Python 3.x
Macos
Installation
How to adjust padding with cutoff or overlapping labels
Python
Matplotlib
Pandas conditional creation of a series/dataframe column
Python
Pandas
Numpy
Dataframe
How to embed image or picture in jupyter notebook, either from a local machine or from a web resource?
Python
Python 3.x
Image
Jupyter Notebook
Jupyter
What does numpy.random.seed(0) do?
Python
Numpy
How to format a floating number to fixed width in Python
Python
String
Numbers
Number Formatting
How to install python3 version of package via pip on Ubuntu?
Python
Ubuntu
Python 3.x
Ubuntu 12.04
Pip
Python Pandas: Get index of rows which column matches certain value
Python
Indexing
Pandas
TypeError: method() takes 1 positional argument but 2 were given
Python
Python 3.x
Methods
Arguments
Self
How to input a regex in string.replace?
Python
Regex
String
Replace
How can I convert a datetime object to milliseconds since epoch (unix time) in Python?
Python
Datetime
Epoch
How do I get a Cron like scheduler in Python?
Python
Cron
Scheduled Tasks
How to query as GROUP BY in django?
Python
Django
Django Models
Find nearest value in numpy array
Python
Search
Numpy
Python dictionary from an object's fields
Python
Dictionary
Attributes
Object
Metaprogramming
How to add to the PYTHONPATH in Windows, so it finds my modules/packages?
Python
Windows
Environment Variables
Pythonpath
Reading JSON from a file?
Python
Json
How to clear the interpreter console?
Python
Windows
Console
Count the frequency that a value occurs in a dataframe column
Python
Pandas
Frequency
How to uninstall Python 2.7 on a Mac OS X 10.6.4?
Python
Macos
Uninstallation
Python 2.7
How to insert newlines on argparse help text?
Python
Argparse
Sorting columns in pandas dataframe based on column name
Python
Pandas
Dataframe
Substitute multiple whitespace with single whitespace in Python
Python
Substitution
Removing Whitespace
Python date string to date object
Python
Date
Is it possible to make abstract classes in Python?
Python
Class
Inheritance
Abstract Class
Abstract
What does "SyntaxError: Missing parentheses in call to 'print'" mean in Python?
Python
Python 3.x
What is the best way to repeatedly execute a function every x seconds?
Python
Timer
join list of lists in python
Python
No Multiline Lambda in Python: Why not?
Python
Syntax
Lambda
How can I check the syntax of Python script without executing it?
Python
Compilation
Syntax Checking
How to get current time in python and break up into year, month, day, hour, minute?
Python
Python 2.7
Datetime
Time
Installing python module within code
Python
Pip
Python Module
Pypi
Passing a dictionary to a function as keyword parameters
Python
Function
Dictionary
Parameters
Keyword
Reading binary file and looping over each byte
Python
File Io
Binary
How to use timeit module
Python
Time
Timeit
Is there a "not equal" operator in Python?
Python
Operators
What does `ValueError: cannot reindex from a duplicate axis` mean?
Python
Pandas
What's the best practice using a settings file in Python?
Python
Parsing
Configuration
Yaml
Settings
How do I install the yaml package for Python?
Python
Python 2.7
Yaml
Pip
Pyyaml
What's the difference between select_related and prefetch_related in Django ORM?
Python
Django
Django Models
Django Orm
Python List vs. Array - when to use?
Python
Arrays
List
Python nonlocal statement
Python
Closures
Global
Python Nonlocal
How to correct TypeError: Unicode-objects must be encoded before hashing?
Python
Python 3.x
Unicode
Syntax Error
Hashlib
How can I selectively escape percent (%) in Python strings?
Python
Escaping
Python 2.7
Timeout on a function call
Python
Multithreading
Timeout
Python Multithreading
How do I get list of methods in a Python class?
Python
Generating an MD5 checksum of a file
Python
Md5
Checksum
Hashlib
How do I get a value of datetime.today() in Python that is "timezone aware"?
Python
Datetime
Date
Timezone
Find all packages installed with easy_install/pip?
Python
Pip
Easy Install
Pypi
Matplotlib plots: removing axis, legends and white spaces
Python
Matplotlib
How do I detect the Python version at runtime?
Python
How to avoid "RuntimeError: dictionary changed size during iteration" error?
Python
List
Dictionary
Loops
What is an alternative to execfile in Python 3?
Python
Python 3.x
How to convert JSON data into a Python object?
Python
Json
Django
What is the best way to call a script from another script?
Python
Sum a list of numbers in Python
Python
List
Sum
Converting Python dict to kwargs?
Python
Dictionary
Keyword Argument
How do I disable log messages from the Requests library?
Python
Logging
Python Requests
Verbosity
Remove xticks in a matplotlib plot?
Python
Matplotlib
Plot
Stripping everything but alphanumeric chars from a string in Python
Python
String
Non Alphanumeric
Numpy array dimensions
Python
Arrays
Numpy
Dimensions
Splitting on first occurrence
Python
Split
Which is the preferred way to concatenate a string in Python?
Python
Python 3.x
String
Concatenation
Flattening a shallow list in Python
Python
List Comprehension
Get lengths of a list in a jinja2 template
Python
Jinja2
How can I find all matches to a regular expression in Python?
Python
Regex
Search
Matplotlib make tick labels font size smaller
Python
Matplotlib
Simple Digit Recognition OCR in OpenCV-Python
Python
Opencv
Numpy
Computer Vision
Ocr
Does Python support short-circuiting?
Python
Boolean Logic
Short Circuiting
Get the key corresponding to the minimum value within a dictionary
Python
Dictionary
Min
Minimum
Idioms
Check if something is (not) in a list in Python
Python
List
Conditional
Membership
How to use the pass statement
Python
Running Bash commands in Python
Python
Bash
How do I run all Python unit tests in a directory?
Python
Unit Testing
Testing
Python Unittest
defaultdict of defaultdict?
Python
Collections
How to add an empty column to a dataframe?
Python
Pandas
Create Pandas DataFrame from a string
Python
String
Pandas
Csv
Csv Import
Download file from web in Python 3
Python
Python 3.x
Convert DataFrame column type from string to datetime
Python
Pandas
Dataframe
Datetime Format
Python Datetime
What are the differences between numpy arrays and matrices? Which one should I use?
Python
Arrays
Matrix
Numpy
What is the difference between an expression and a statement in Python?
Python
Expression
django order_by query set, ascending and descending
Python
Django
Sorting
How to reversibly store and load a Pandas dataframe to/from disk
Python
Pandas
Dataframe
Rename multiple files in a directory in Python
Python
File Io
File Rename
Split by comma and strip whitespace in Python
Python
Whitespace
Strip
How to write a Python module/package?
Python
Python 2.7
Python Module
In pytest, what is the use of conftest.py files?
Python
Testing
Pytest
How to pretty-print a numpy.array without scientific notation and with given precision?
Python
Numpy
Python 2.x
Pretty Print
How to delete a record in Django models?
Python
Django
Django Models
Can't subtract offset-naive and offset-aware datetimes
Python
Postgresql
Datetime
Timezone
Is there a Python equivalent of the C# null-coalescing operator?
Python
Null Coalescing-Operator
How do I specify new lines on Python, when writing on files?
Python
Line Breaks
File Writing
How to tell if tensorflow is using gpu acceleration from inside python shell?
Python
Tensorflow
Ubuntu
Gpu
Python module for converting PDF to text
Python
Pdf
Text Extraction
Pdf Scraping
Find the similarity metric between two strings
Python
Probability
Similarity
Metric
How to replace multiple substrings of a string?
Python
Text
Replace
What is the difference between 'SAME' and 'VALID' padding in tf.nn.max_pool of tensorflow?
Python
Tensorflow
Deep Learning
JSON datetime between Python and JavaScript
Javascript
Python
Json
How do I create an empty array/matrix in NumPy?
Python
Arrays
Numpy
What are the differences between json and simplejson Python modules?
Python
Json
Simplejson
How to add an extra column to a NumPy array
Python
Numpy
How do I parallelize a simple Python loop?
Python
Parallel Processing
Is there a standardized method to swap two variables in Python?
Python
Syntax
Swap
Conventions
How to sort a dataFrame in python pandas by two or more columns?
Python
Pandas
Python 2.7
Sorting
Data Analysis
How do Python functions handle the types of parameters that you pass in?
Python
Function
Types
Parameters
Pylint, PyChecker or PyFlakes?
Python
Pylint
Pep8
Pyflakes
Pychecker
Threading pool similar to the multiprocessing Pool?
Python
Multithreading
Missing Features
pandas: filter rows of DataFrame with operator chaining
Python
Pandas
Dataframe
Python setup.py develop vs install
Python
Setuptools
time.sleep -- sleeps thread or process?
Python
Multithreading
Time
Sleep
Python Internals
Python list sort in descending order
Python
Sorting
Reverse
Convert Pandas Column to DateTime
Python
Datetime
Pandas
Extract subset of key-value pairs from dictionary?
Python
Dictionary
Associative Array
How to change the figure size of a seaborn axes or figure level plot
Python
Matplotlib
Seaborn
Figsize
How can I filter a Django query with a list of values?
Python
Django
Django Queryset
How to add pandas data to an existing csv file?
Python
Pandas
Csv
Dataframe
Adding a legend to PyPlot in Matplotlib in the simplest manner possible
Python
Matplotlib
Plot
Error "filename.whl is not a supported wheel on this platform"
Python
Pip
What is the difference between flatten and ravel functions in numpy?
Python
Numpy
Multidimensional Array
Flatten
Numpy Ndarray
Why do many examples use `fig, ax = plt.subplots()` in Matplotlib/pyplot/python
Python
Matplotlib
Plot
Visualization
Run a Python script from another Python script, passing in arguments
Python
How to draw vertical lines on a given plot in matplotlib
Python
Matplotlib
how to check if a file is a directory or regular file in python?
Python
Permanently add a directory to PYTHONPATH?
Python
Windows
Pythonpath
How to take the first N items from a generator or list?
Python
List
Generator
Secondary axis with twinx(): how to add to legend?
Python
Matplotlib
Axis
Legend
Converting between datetime, Timestamp and datetime64
Python
Datetime
Numpy
Pandas
What is the difference between Numpy's array() and asarray() functions?
Python
Arrays
Numpy
How to use a dot "." to access members of dictionary?
Python
Dictionary
Syntax
Nested
Convert datetime object to a String of date only in Python
Python
Datetime
How to overload __init__ method based on argument type?
Python
Constructor
Operator Overloading
Can a variable number of arguments be passed to a function?
Python
Why is IoC / DI not common in Python?
Python
Design Patterns
Dependency Injection
Inversion of-Control
Architecture
python .replace() regex
Python
Regex
Argparse: Way to include default values in '--help'?
Python
Argparse
Determine if Python is running inside virtualenv
Python
Virtualenv
UnicodeDecodeError, invalid continuation byte
Python
Unicode
Decode
Does reading an entire file leave the file handle open?
Python
File Io
Filehandle
How can I convert a character to a integer in Python, and viceversa?
Python
Integer
Char
Type Conversion
Redirect stdout to a file in Python?
Python
Stdout
How to perform OR condition in django queryset?
Python
Sql
Django
Django Queryset
Django Orm
Python 3: ImportError "No Module named Setuptools"
Python
Module
Package
setup.py
Python 3.3
Difference between numpy.array shape (R, 1) and (R,)
Python
Numpy
Matrix
Multidimensional Array
Understanding Keras LSTMs
Python
Deep Learning
Keras
Lstm
Converting NumPy array into Python List structure?
Python
Numpy
How to detect a Christmas Tree?
C++
Python
Opencv
Image Processing
Computer Vision
UnicodeEncodeError: 'charmap' codec can't encode characters
Python
Beautifulsoup
Urllib
How to convert a PIL Image into a numpy array?
Python
Image
Numpy
Python Imaging-Library
Numpy Ndarray
Why does range(start, end) not include end?
Python
Range
Converting Epoch time into the datetime
Python
Bare asterisk in function arguments?
Python
Python 3.x
Parameter Passing
How to install PIL with pip on Mac OS?
Python
Macos
Python 2.7
Installation
Python Imaging-Library
Convert Django Model object to dict with all of the fields intact
Python
Django
Dictionary
Django Models
Django Orm
Format timedelta to string
Python
String
Datetime
Format
Timedelta
How to terminate a python subprocess launched with shell=True
Python
Linux
Subprocess
Kill Process
What's the difference between `raw_input()` and `input()` in Python 3?
Python
Python 3.x
Input
Get the row(s) which have the max value in groups using groupby
Python
Pandas
Max
Pandas Groupby
'too many values to unpack', iterating over a dict. key=>string, value=>list
Python
Why do I get AttributeError: 'NoneType' object has no attribute 'something'?
Python
Attributeerror
Nonetype
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
Python
Normalize columns of pandas data frame
Python
Pandas
Dataframe
Normalize
Python Graph Library
Python
Graph
How to get last items of a list in Python?
Python
List
Slice
Best way to format integer as string with leading zeros?
Python
String Formatting
Fastest way to list all primes below N
Python
Math
Optimization
Primes
Why does datetime.datetime.utcnow() not contain timezone information?
Python
Datetime
Why is "except: pass" a bad programming practice?
Python
Exception
Error Handling
Try Catch
How to print to console in pytest?
Python
Unit Testing
Python 2.7
Pytest
How do you express binary literals in Python?
Python
Syntax
Binary
Integer
Literals
How can I make one python file run another?
Python
Comparing two NumPy arrays for equality, element-wise
Python
Arrays
Numpy
Elementwise Operations
Remove pandas rows with duplicate indices
Python
Pandas
Dataframe
Duplicates
How to make inline plots in Jupyter Notebook larger?
Python
Matplotlib
Ipython
Jupyter Notebook
How are Python's Built In Dictionaries Implemented?
Python
Data Structures
Dictionary
Why doesn't os.path.join() work in this case?
Python
Path
How can I create an object and add attributes to it?
Python
Class
Object
Attributes
pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available
Python
Pip
How can I get a list of all classes within current module in Python?
Python
Reflection
Inspect
Store output of subprocess.Popen call in a string
Python
Subprocess
Python strings and integer concatenation
Python
String
Integer
Concatenation
Accessing dict keys like an attribute?
Python
Dictionary
Syntax
Attributes
How do I get the picture size with PIL?
Python
Python Imaging-Library
Image
What is the most efficient way to loop through dataframes with pandas?
Python
Pandas
Performance
Dataframe
For Loop
Difference between filter and filter_by in SQLAlchemy
Python
Sqlalchemy
Reference requirements.txt for the install_requires kwarg in setuptools setup.py file
Python
Pip
Setuptools
requirements.txt
How to convert local time string to UTC?
Python
Datetime
Utc
Localtime
Can "list_display" in a Django ModelAdmin display attributes of ForeignKey fields?
Python
Django
Django Models
Django Admin
Modeladmin
Unicode (UTF-8) reading and writing to files in Python
Python
Unicode
Utf 8
Io
How can I check if a key exists in a dictionary?
Python
How to delete items from a dictionary while iterating over it?
Scripting
Dictionary
Python
Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers?
Python
Pandas
Numpy
urllib and "SSL: CERTIFICATE_VERIFY_FAILED" Error
Python
Python 2.7
Ssl
Ssl Certificate
Urllib
How do I watch a file for changes?
Python
Windows
File
Pywin32
Watch
Breaking out of nested loops
Python
Loops
Nested Loops
"Unicode Error "unicodeescape" codec can't decode bytes... Cannot open text files in Python 3
Python
Unicode
Python 3.x
Assign output of os.system to a variable and prevent it from being displayed on the screen
Python
NumPy array is not JSON serializable
Python
Json
Django
Numpy
Turn a string into a valid filename?
Python
Filenames
Slug
Sanitize
Python idiom to return first item or None
Python
Idioms
Cost of len() function
Python
Algorithm
Collections
Complexity Theory
What is getattr() exactly and how do I use it?
Python
Getattr
Python locale error: unsupported locale setting
Python
Locale
Ubuntu 11.04
Understanding __get__ and __set__ and Python descriptors
Python
Descriptor
Matplotlib scatter plot with different text at each data point
Python
Matplotlib
Text
Scatter Plot
Annotate
How to dump a dict to a JSON file?
Python
Json
Dictionary
How to add title to subplots in Matplotlib
Python
Matplotlib
Plot
Subtitle
Python dictionary: are keys() and values() always the same order?
Python
Finding and replacing elements in a list
Python
List
Replace
How do I disable the security certificate check in Python requests
Python
Https
Python Requests
python: how to identify if a variable is an array or a scalar
Python
Arrays
Variables
Scalar
Cannot find module cv2 when using OpenCV
Python
Python 2.7
Opencv
Raspberry Pi
How to keep keys/values in same order as declared?
Python
Sorting
Dictionary
Python 3 ImportError: No module named 'ConfigParser'
Python
Python 3.x
(unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape
Python
Csv
Unicode
Syntax Error
Total memory used by Python process?
Python
Memory Management
Else clause on Python while statement
Python
Syntax
While Loop
If Statement
How can I display full (non-truncated) dataframe information in HTML when converting from Pandas dataframe to HTML?
Python
Html
Pandas
Measuring elapsed time with the Time module
Python
Time
Elapsed
Getting the SQL from a Django QuerySet
Python
Sql
Django
Django Queryset
NameError: global name 'xrange' is not defined in Python 3
Python
Python 3.x
Range
Runtimeexception
Xrange
Django Model() vs Model.objects.create()
Python
Django
Database
Django Models
Showing the stack trace from a running Python application
Python
Debugging
Stack Trace
Traceback
Print current call stack from a method in code
Python
Debugging
Stack Trace
How can I percent-encode URL parameters in Python?
Python
Url
Encoding
Urllib
Urlencode
Convert a python dict to a string and back
Python
Json
Dictionary
Serialization
Named tuple and default values for optional keyword arguments
Python
Default Value
Namedtuple
Optional Arguments
What's the best way to parse a JSON response from the requests library?
Python
Json
Rest
Python Requests
Why return NotImplemented instead of raising NotImplementedError
Python
Exception
Get a filtered list of files in a directory
Python
Filesystems
Wildcard
Glob
Directory Listing
Is there a built in function for string natural sort?
Python
Sorting
Print multiple arguments in Python
Python
Printing
Python 3.x
Arguments
Python strftime - date without leading 0?
Python
Padding
Strftime
Difference between 'cls' and 'self' in Python classes?
Python
Class
Object
Terminology
Self
Find first sequence item that matches a criterion
Python
List
How to find which version of TensorFlow is installed in my system?
Python
Ubuntu
Tensorflow
Command Line
Version
How to check if pytorch is using the GPU?
Python
Memory Management
Gpu
Nvidia
Pytorch
In Python, if I return inside a "with" block, will the file still close?
Python
Return
With Statement
UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c
Python
Linux
Python Unicode
Pandas 'count(distinct)' equivalent
Python
Pandas
Count
Group By
Distinct
How do you find the first key in a dictionary?
Python
Dictionary
Saving a Numpy array as an image
Python
Image
Numpy
How to empty a list?
Python
List
Is it bad to have my virtualenv directory inside my git repository?
Python
Django
Virtualenv
What does axis in pandas mean?
Python
Pandas
Numpy
Dataframe
Python subprocess/Popen with a modified environment
Python
Subprocess
Popen
Delete a dictionary item if the key exists
Python
Python 2.7
How to convert 'binary string' to normal string in Python3?
Python
String
Python 3.x
Binary
Setting the correct encoding when piping stdout in Python
Python
Encoding
Terminal
Stdout
Python 2.x
Writing string to a file on a new line every time
Python
Newline
multiprocessing.Pool: When to use apply, apply_async or map?
Python
Multithreading
Concurrency
Multiprocessing
Relative paths in Python
Python
Relative Path
Path
Using module 'subprocess' with timeout
Python
Multithreading
Timeout
Subprocess
How can I tell if a string repeats itself in Python?
Python
String
Pattern Matching
What's the bad magic number error?
Python
How to start a background process in Python?
Python
Process
Daemon
How to check whether a file is empty or not
Python
File
File Length
What is :: (double colon) in Python when subscripting sequences?
Python
Syntax
Slice
Is there a Python equivalent to Ruby's string interpolation?
Python
String Interpolation
Language Comparisons
How to convert 2D float numpy array to 2D int numpy array?
Python
Numpy
Pandas index column title or name
Python
Pandas
Dataframe
Columnname
Reverse Y-Axis in PyPlot
Python
Matplotlib
How do I create a Python function with optional arguments?
Python
Function
Arguments
Optional Arguments
Using logging in multiple modules
Python
Logging
Config
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need to install a parser library?
Python
Python 2.7
Beautifulsoup
Lxml
Is it possible only to declare a variable without assigning any value in Python?
Python
Variable Assignment
Variable Declaration
Combining two Series into a DataFrame in pandas
Python
Pandas
Series
Dataframe
What are some common uses for Python decorators?
Python
Decorator
Comprehensive beginner's virtualenv tutorial?
Python
Virtualenv
Concatenating two one-dimensional NumPy arrays
Python
Arrays
Numpy
Concatenation
Numpy Ndarray
"pip install unroll": "python setup.py egg_info" failed with error code 1
Python
Pip
Package
Installation
What does asterisk * mean in Python?
Python
Join a list of items with different types as string in Python
Python
String
List
How to find list intersection?
Python
Arrays
Intersection
Loop backwards using indices in Python?
Python
Loops
How to test if a dictionary contains a specific key?
Python
What do I use for a max-heap implementation in Python?
Python
Data Structures
Heap
Recursive Datastructures
What's the scope of a variable initialized in an if statement?
Python
Variables
If Statement
Scope
Local Variables
How do you properly determine the current script directory?
Python
Pythonpath
Dirname
How do I get user IP address in django?
Python
Django
How to use filter, map, and reduce in Python 3
Python
Python 3.x
Filter
Functional Programming
Reduce
Actual meaning of 'shell=True' in subprocess
Python
Subprocess
Getting list of parameter names inside python function
Python
Parameters
Viewing all defined variables
Python
Variables
Catching an exception while using a Python 'with' statement
Python
Exception Handling
How to retry after exception?
Python
Loops
Exception
Try Except
Best way to find the intersection of multiple sets?
Python
Set
Set Intersection
Converting datetime.date to UTC timestamp in Python
Python
Datetime
Utc
How to crop an image in OpenCV using Python
Python
Opencv
TypeError: Missing 1 required positional argument: 'self'
Python
Python 3.x
What are data classes and how are they different from common classes?
Python
Class
Python 3.7
Python Dataclasses
Add Variables to Tuple
Python
Tuples
How do I compare version numbers in Python?
Python
Version
String Comparison
Ignore python multiple return value
Python
Function
Tuples
How to use string.replace() in python 3.x
Python
Python 3.x
String
Replace
What is a "callable"?
Python
Callable
What's the best way to generate a UML diagram from Python source code?
Python
Uml
Diagram
Lazy Method for Reading Big File in Python?
Python
File Io
Generator
What is the fastest way to send 100,000 HTTP requests in Python?
Python
Http
Concurrency
Remove all special characters, punctuation and spaces from string
Python
Regex
String
SQLAlchemy IN clause
Python
Sqlalchemy
In Clause
How to prevent tensorflow from allocating the totality of a GPU memory?
Python
Tensorflow
tensorflow2.0
tensorflow2.x
Nvidia Titan
Print in one line dynamically
Python
Printing
How can I call a function within a class?
Python
Class
Function
Call
How to initialize a two-dimensional array in Python?
Python
Multidimensional Array
How to merge lists into a list of tuples?
Python
List
Merge
Tuples
Pythonic way to combine for-loop and if-statement
Python
Loops
If Statement
For Loop
Apply multiple functions to multiple groupby columns
Python
Group By
Aggregate Functions
Pandas
Pandas: drop a level from a multi-level column index?
Python
Pandas
Search and replace a line in a file in Python
Python
File
Convert a number range to another range, maintaining ratio
Python
Math
Django datetime issues (default=datetime.now())
Python
Django
Why are scripting languages (e.g. Perl, Python, and Ruby) not suitable as shell languages?
Python
Ruby
Perl
Bash
Shell
Why doesn't list have safe "get" method like dictionary?
Python
List
Exception
Indexoutofboundsexception
`from ... import` vs `import .`
Python
Import
Syntax
Module
Python Import
Is there a difference between `continue` and `pass` in a for loop in python?
Python
Syntax
Continue
pandas get rows which are NOT in other dataframe
Python
Pandas
Dataframe
Reverse colormap in matplotlib
Python
Matplotlib
Get column index from column name in python pandas
Python
Pandas
Dataframe
Indexing
Pandas read in table without headers
Python
Pandas
How do I Pandas group-by to get sum?
Python
Pandas
Dataframe
Group By
Aggregate
When I catch an exception, how do I get the type, file, and line number?
Python
Exception
Stack Trace
Traceback
How to check if a string contains an element from a list in Python
Python
String
If Statement
What SOAP client libraries exist for Python, and where is the documentation for them?
Python
Soap
Soap Client
How to execute a file within the Python interpreter?
Python
How do I disable a Pylint warning?
Python
Pylint
How do I find an element that contains specific text in Selenium WebDriver (Python)?
Python
Selenium
Selenium Webdriver
What is PEP8's E128: continuation line under-indented for visual indent?
Python
Sublimetext2
Pep8
"inconsistent use of tabs and spaces in indentation"
Python
How can I see the entire HTTP request that's being sent by my Python application?
Python
Debugging
Https
Python Requests
How do I set the maximum line length in PyCharm?
Python
Pycharm
Pep8
A weighted version of random.choice
Python
Optimization
super() raises "TypeError: must be type, not classobj" for new-style class
Python
Superclass
Super
Typeerror
Running a single test from unittest.TestCase via the command line
Python
Unit Testing
Python Unittest
Keep only date part when using pandas.to_datetime
Python
Pandas
Csv
Datetime
Series
Getting the name of a variable as a string
Python
Variables
What is the best (idiomatic) way to check the type of a Python variable?
Python
Types
Typechecking
Standard way to embed version into Python package?
Python
String
Package
All combinations of a list of lists
Python
Combinations
How to split a list based on a condition?
Python
List
How do I check which version of NumPy I'm using?
Python
Numpy
Version
Find object in list that has attribute equal to some value (that meets any condition)
Python
Django
List
List of zeros in python
Python
Python function global variables?
Python
Global Variables
What does enumerate() mean?
Python
Enumerate
How to manage local vs production settings in Django?
Python
Django
Deployment
Convert a list with strings all to lowercase or uppercase
Python
List
Matplotlib different size subplots
Python
Plot
Matplotlib
Figure
What is the difference between ndarray and array in numpy?
Python
Arrays
Numpy
Multidimensional Array
Numpy Ndarray
Type annotations for *args and **kwargs
Python
Type Hinting
Python Typing
How can I specify the function type in my type hints?
Python
Python 3.x
Type Hinting
Mypy
Python Typing
Using Pip to install packages to Anaconda Environment
Python
Pip
Anaconda
Environment
How to convert SQLAlchemy row object to a Python dict?
Python
Sqlalchemy
Most efficient way to reverse a numpy array
Python
Numpy
Url decode UTF-8 in Python
Python
Encoding
Utf 8
Urldecode
Extracting just Month and Year separately from Pandas Datetime column
Python
Pandas
Datetime
How to install Python MySQLdb module using pip?
Python
Mysql
Pip
How do I look inside a Python object?
Python
Introspection
Difference in boto3 between resource, client, and session?
Python
Boto3
Test if executable exists in Python?
Python
Path
How to send email attachments?
Python
Email
How to delete an item in a list if it exists?
Python
List
Why am I seeing "TypeError: string indices must be integers"?
Python
Json
Github
InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately
Python
Rest
Ssl
Relative imports - ModuleNotFoundError: No module named x
Python
Python 3.x
Package
Python Import
Relative Import
"UserWarning: Matplotlib is currently using agg, which is a non-GUI backend, so cannot show the figure." when plotting figure with pyplot on Pycharm
Python
Matplotlib
Pycharm
Django auto_now and auto_now_add
Python
Django
Datetime
Django Models
Django Admin
Decode HTML entities in Python string?
Python
Html
Html Entities
How to hide output of subprocess
Python
Subprocess
Espeak
How do I get the object if it exists, or None if it does not exist in Django?
Python
Django
Django Queryset
Find string between two substrings
String
Python
Substring
How to get only the last part of a path in Python?
Python
Path
Path Manipulation
Understanding the map function
Python
Map Function
Splitting on last delimiter in Python string?
Python
String
List
Parsing
Split
Elegant Python function to convert CamelCase to snake_case?
Python
Camelcasing
Add list to set?
Python
List
Python 2.7
Set
How do I put a variable’s value inside a string?
Python
String
Variables
NumPy array initialization (fill with identical values)
Python
Arrays
Numpy
How to parse data in JSON format?
Python
Json
Parsing
json.dumps vs flask.jsonify
Python
Json
Flask
How to drop a list of rows from Pandas dataframe?
Python
Pandas
Pandas Replace NaN with blank/empty string
Python
Pandas
Dataframe
Nan
Generating a PNG with matplotlib when DISPLAY is undefined
Python
Matplotlib
Graph
In Python, when to use a Dictionary, List or Set?
Python
List
Dictionary
Data Structures
Set
What does Python's eval() do?
Python
Eval
Dropping infinite values from dataframes in pandas?
Python
Pandas
Numpy
Executing command line programs from within python
Python
Command Line
Strip HTML from strings in Python
Python
Html
How do I filter query objects by date range in Django?
Python
Django
Django Models
Django Queryset
Install tkinter for Python
Python
Linux
Tkinter
Installation
What's the correct way to convert bytes to a hex string in Python 3?
Python
Python 3.x
Hex
Installing pip packages to $HOME folder
Python
Pip
How to check if a variable is a dictionary in Python?
Python
Dictionary
Select DataFrame rows between two dates
Python
Pandas
Dataframe
How do I split a multi-line string into multiple lines?
Python
String
Split
Get loop count inside a for-loop
Python
For Loop
Get month name from number
Python
Datetime
Date
How to change plot background color?
Python
Matplotlib
Why isn't Python very good for functional programming?
Python
Functional Programming
How to load all modules in a folder?
Python
Python Import
Double Iteration in List Comprehension
Python
List Comprehension
How to get MD5 sum of a string using python?
Python
Md5
Flickr
Python multiprocessing PicklingError: Can't pickle <type 'function'>
Python
Multiprocessing
Pickle
Python Multiprocessing
Python "raise from" usage
Python
Python 3.x
Syntax
Exception Handling
What are type hints in Python 3.5?
Python
Python 3.x
Python 3.5
Type Hinting
Python Typing
Convert a timedelta to days, hours and minutes
Python
Timedelta
What do lambda function closures capture?
Python
Lambda
Closures
How do I convert a numpy array to (and display) an image?
Python
Arrays
Image
Numpy
Data Visualization
How do I check if a given Python string is a substring of another one?
Python
String
Substring
How to pip install a package with min and max version range?
Python
Pip
Multiple Versions
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
Python
Numpy
Can Flask have optional URL parameters?
Python
Flask
Getting rid of \n when using .readlines()
Python
Python 2.7
Readline
How to concatenate two dictionaries to create a new one?
Python
Dictionary
Concatenation
I can't install python-ldap
Python
Module
Ldap
Transpose list of lists
Python
List
Transpose
Get a random boolean in python?
Python
Random
Check if two unordered lists are equal
Python
List
Comparison
Error "Microsoft Visual C++ 14.0 is required (Unable to find vcvarsall.bat)"
Python
Python 3.x
Visual C++
Is __init__.py not required for packages in Python 3.3+
Python
Python 3.x
Package
How do I update Anaconda?
Python
Anaconda
Conda
How do I pass a string into subprocess.Popen (using the stdin argument)?
Python
Subprocess
Stdin
How can I find where Python is installed on Windows?
Python
Windows
Path
Efficient way to rotate a list in python
Python
List
Saving an Object (Data persistence)
Python
Serialization
Save
Persistence
Pickle
How to send a "multipart/form-data" with requests in python?
Python
Python Requests
Multipartform Data
How to use `subprocess` command with pipes
Python
Linux
Subprocess
Pipe
How to execute a Python script from the Django shell?
Python
Django
Django Shell
Best ways to teach a beginner to program?
Python
Language Agnostic
How do you generate dynamic (parameterized) unit tests in Python?
Python
Unit Testing
Parameterized Unit-Test
Shuffle an array with python, randomize array item order with python
Python
Arrays
Random
Shuffle
Cross-platform way of getting temp directory in Python
Python
Cross Platform
Temporary Directory
How to find length of digits in an integer?
Python
Count
Integer
Use of "global" keyword in Python
Python
Global Variables
PATH issue with pytest 'ImportError: No module named YadaYadaYada'
Python
Unit Testing
Pytest
What is the right way to treat Python argparse.Namespace() as a dictionary?
Python
Dictionary
Duck Typing
How to use a variable inside a regular expression?
Python
Regex
Python 3.x
Variables
Escaping
How to check if a value exists in a dictionary (python)
Python
Dictionary
Find
Sibling package imports
Python
Packages
Python Import
Siblings
Should I use "camel case" or underscores in Python?
Python
Naming Conventions
Pep8
Converting numpy dtypes to native python types
Python
Numpy
PyCharm shows unresolved references error for valid code
Python
Pycharm
Convert floats to ints in Pandas?
Python
Pandas
Floating Point
Integer
Dataset
How to dynamically build a JSON object?
Python
Json
Recommendations of Python REST (web services) framework?
Python
Web Services
Rest
Frameworks
How do you convert a time.struct_time object into a datetime object?
Python
Datetime
How to count the number of files in a directory using Python
Python
Count
Glob
Fnmatch
How do I clone a Django model instance object and save it to the database?
Python
Django
Django Models
How to sum all the values in a dictionary?
Python
Dictionary
Hash
Sum
correct way to define class variables in Python
Python
Class
Attributes
Getting a hidden password input
Python
Passwords
User Input
How to remove \xa0 from string in Python?
Python
Python 2.7
Unicode
Beautifulsoup
Utf 8
How can I mock requests and the response?
Python
Mocking
Request
Count unique values per groups with Pandas
Python
Pandas
Group By
Unique
Pandas Groupby
Check if a given key already exists in a dictionary and increment it
Python
Dictionary
Python string.join(list) on object array rather than string array
Python
List
How do I copy an entire directory of files into an existing directory using Python?
Python
Shutil
Copytree
How to get a string after a specific substring?
Python
String
Substring
How to append multiple values to a list in Python
Python
List
Argparse: Required arguments listed under "optional arguments"?
Python
Argparse
Convert a Pandas DataFrame to a dictionary
Python
Pandas
Dictionary
Dataframe
What is the difference between Jupyter Notebook and JupyterLab?
Python
Jupyter Notebook
Jupyter
Jupyter Lab
How can I format a decimal to always show 2 decimal places?
Python
String Formatting
What is the difference between a string and a byte string?
Python
String
Character
Byte
how do I insert a column at a specific column index in pandas?
Python
Indexing
Pandas
In Python, how do I convert all of the items in a list to floats?
Python
List
Casting
How to initialize a dict with keys from a list and empty value in Python?
Dictionary
Python
Python list subtraction operation
Python
List
Django: Display Choice Value
Python
Django
Django Models
Django Templates
Plot two histograms on single chart with matplotlib
Python
Matplotlib
Plot
Histogram
numpy: most efficient frequency counts for unique values in an array
Python
Arrays
Performance
Numpy
How can I find the current OS in Python?
Python
Cross Platform
Platform Specific
Send HTML emails with Python
Python
Html
Email
Html Email
Normal arguments vs. keyword arguments
Python
Arguments
Keyword
Optional Parameters
Named Parameters
DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
Python
Django
Postgresql
Psycopg2
Best way to replace multiple characters in a string?
Python
String
Replace
Using pickle.dump - TypeError: must be str, not bytes
Python
Python 3.x
Pickle
Auto reloading python Flask app upon code changes
Python
Apache
Flask
Split a string by spaces -- preserving quoted substrings -- in Python
Python
Regex
Python != operation vs "is not"
Python
Operators
python: How do I know what type of exception occurred?
Python
Exception
Removing nan values from an array
Python
Arrays
Numpy
Nan
Python not working in the command line of git bash
Python
Windows
Git
Command Line
Git Bash
Programmatically generate video or animated GIF in Python?
Python
Video
Wxpython
Animated Gif
Why use argparse rather than optparse?
Python
Command Line
Optparse
Getopt
Argparse
In Python, how do you convert seconds since epoch to a `datetime` object?
Python
Datetime
Date
Time
Epoch
How do I run Python code from Sublime Text 2?
Python
Ide
Sublimetext2
Sublimetext
How do I plot in real-time in a while loop using matplotlib?
Python
Matplotlib
While Loop
Real Time
No acceptable C compiler found in $PATH when installing python
Python
Compiler Errors
Virtualenv
How does numpy.newaxis work and when to use it?
Python
Numpy
Multidimensional Array
Array Broadcasting
Numpy Ndarray
Getting the exception value in Python
Python
Exception
Why do I need 'b' to encode a string with Base64?
Python
Python 3.x
Base64
Split (explode) pandas dataframe string entry to separate rows
Python
Pandas
Numpy
Dataframe
Selecting with complex criteria from pandas.DataFrame
Python
Pandas
Element-wise addition of 2 lists?
Python
List
Elementwise Operations
"for line in..." results in UnicodeDecodeError: 'utf-8' codec can't decode byte
Python
Python 3.x
Character Encoding
Generate 'n' unique random numbers within a range
Python
Random
Unique
Detect and exclude outliers in a pandas DataFrame
Python
Pandas
Filtering
Dataframe
Outliers
Using Pandas to pd.read_excel() for multiple worksheets of the same workbook
Python
Excel
Pandas
Dataframe
Xlsx
Error message: "'chromedriver' executable needs to be available in the path"
Python
Selenium
Selenium Chromedriver
Anaconda vs. miniconda
Python
Anaconda
Miniconda
Why doesn't Python have a sign function?
Python
Language Design
What will happen if I modify a Python script while it's running?
Python
How to send an email with Gmail as provider using Python?
Python
Email
Smtp
Gmail
Smtp Auth
Named colors in matplotlib
Python
Matplotlib
Colors
Listing contents of a bucket with boto3
Python
Amazon Web-Services
Amazon S3
Boto3
Boto
How to specify "nullable" return type with type hints
Python
Python 3.x
Type Hinting
Python Typing
Better way to shuffle two numpy arrays in unison
Python
Numpy
Random
Shuffle
Numpy Ndarray
How to open a file for both reading and writing?
Python
File
File Io
Redirecting to URL in Flask
Python
Redirect
Flask
Access multiple elements of list knowing their index
Python
Python 3.x
List
Indexing
Element
UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
Python
Json
Python truncate a long string
Python
Compiled vs. Interpreted Languages
Java
Python
Compiler Construction
Programming Languages
Interpreter
Comparing two dictionaries and checking how many (key, value) pairs are equal
Python
Dictionary
Comparison
How to truncate the time on a datetime object?
Python
Datetime
How to activate virtualenv in Linux?
Python
Python 3.x
Linux
Virtualenv
Python Venv
Update a dataframe in pandas while iterating row by row
Python
Pandas
Updates
Dataframe
Convert array of indices to 1-hot encoded numpy array
Python
Numpy
Machine Learning
Numpy Ndarray
One Hot-Encoding
Compare object instances for equality by their attributes
Python
Equality
How do I implement interfaces in python?
Python
Oop
CSV in Python adding an extra carriage return, on Windows
Python
Windows
Csv
Newline
Set variable in jinja
Python
Templates
Variables
Variable Assignment
Jinja2
How to use "raise" keyword in Python
Python
Keyword
Raise
_csv.Error: field larger than field limit (131072)
Python
Csv
ImportError: No module named 'Tkinter'
Python
Tkinter
What's the best way to parse command line arguments?
Python
Command Line
Command Line-Arguments
How do I profile memory usage in Python?
Python
Memory
Profiling
Retrieving the output of subprocess.call()
Python
Pipe
Subprocess
Stringio
Mapping over values in a python dictionary
Python
Dictionary
Map Function
Create empty file using python
Python
How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly?
Python
Pandas
Null
Nan
Add column to dataframe with constant value
Python
Pandas
Dataframe
Best way to save a trained model in PyTorch?
Python
Serialization
Deep Learning
Pytorch
Tensor
What is the purpose of "pip install --user ..."?
Python
Python 3.x
Pip
Virtualenv
Favorite Django Tips & Features?
Python
Django
Hidden Features
How to get Linux console window width in Python
Python
Linux
Console
Terminal
Width
How to take column-slices of dataframe in pandas
Python
Pandas
Numpy
Dataframe
Slice
How to have one colorbar for all subplots
Python
Matplotlib
Subplot
Colorbar
How to check if a user is logged in (how to properly use user.is_authenticated)?
Python
Django
Authentication
How do I get Flask to run on port 80?
Python
Networking
Flask
Port
How do you run a Python script as a service in Windows?
Python
Windows
Cross Platform
How to get method parameter names?
Python
Decorator
Introspection
Python Datamodel
How to check whether a variable is a class or not?
Python
Reflection
Python JSON serialize a Decimal object
Python
Json
Floating Point
Decimal
Python 3: UnboundLocalError: local variable referenced before assignment
Python
Python 3.x
Scope
How can I obtain the element-wise logical NOT of a pandas Series?
Python
Pandas
Operators
Boolean Logic
Virtualenv Command Not Found
Python
Macos
Virtualenv
How to read a single character from the user?
Python
Input
Python Image Library fails with message "decoder JPEG not available" - PIL
Python
Jpeg
Python Imaging-Library
Pillow
Inserting image into IPython notebook markdown
Python
Jupyter Notebook
Ipython
Jupyter
Is Python strongly typed?
Python
Strong Typing
Weak Typing
How to split a dataframe string column into two columns?
Python
Dataframe
Pandas
why should I make a copy of a data frame in pandas
Python
Pandas
Chained Assignment
Concatenating two lists - difference between '+=' and extend()
List
Python
How do I update a Python package?
Python
Linux
Installation
Package
M2crypto
How to set a single, main title above all the subplots with Pyplot?
Python
Matplotlib
SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
Python
Unicode
Python Unicode
Why is there no xrange function in Python3?
Python
Python 3.x
Pep
Xrange
Convert columns to string in Pandas
Python
Pandas
String
Type Conversion
Simplify Chained Comparison
Python
Pycharm
Disable Tensorflow debugging information
Python
Tensorflow
In Python, how do I split a string and keep the separators?
Python
Regex
Python Create unix timestamp five minutes in the future
Python
Datetime
Unix Timestamp
How to remove specific elements in a numpy array
Python
Arrays
Numpy
How do I integrate Ajax with Django applications?
Python
Ajax
Django
Could not find a version that satisfies the requirement tensorflow
Python
Python 3.x
Python 2.7
Tensorflow
Pip
Escaping regex string
Python
Regex
How to find the installed pandas version
Python
Pandas
Failed to install Python Cryptography package with PIP and setup.py
Python
Cryptography
Pip
Wrapping a C library in Python: C, Cython or ctypes?
Python
C
Ctypes
Cython
How do I check if a string is unicode or ascii?
Python
Unicode
Encoding
Utf 8
Python Requests - No connection adapters
Python
Python 2.7
Python Requests
remove None value from a list without removing the 0 value
Python
List
Filter
List Comprehension
Nonetype
Apply pandas function to column to create multiple new columns?
Python
Pandas
Merge
Multiple Columns
Return Type
How to print the value of a Tensor object in TensorFlow?
Python
Tensorflow
Tensor
Extracting specific selected columns to new DataFrame as a copy
Python
Pandas
Chained Assignment
Create a directly-executable cross-platform GUI app using Python
Python
User Interface
Deployment
Tkinter
Release Management
How to exit from Python without traceback?
Python
Exit
Traceback
Python: One Try Multiple Except
Python
Syntax
Exception Handling
How to search and replace text in a file?
Python
Python 3.x
String
File
Replace
Replace non-ASCII characters with a single space
Python
Unicode
Encoding
Ascii
Label encoding across multiple columns in scikit-learn
Python
Pandas
Scikit Learn
Plot correlation matrix using pandas
Python
Pandas
Matplotlib
Data Visualization
Information Visualization
Convert Pandas column containing NaNs to dtype `int`
Python
Pandas
Dataframe
Dtype
How to call a Python function from Node.js
Python
node.js
Express
How do I execute a program from Python? os.system fails due to spaces in path
Python
Shellexecute
How to override the [] operator in Python?
Python
Operator Overloading
Python - Count elements in list
Python
List
libxml install error using pip
Python
Lxml
Pip
Convert string date to timestamp in Python
Python
Datetime
Is there shorthand for returning a default value if None in Python?
Python
How to install Python package from GitHub?
Python
Pip
How to get string objects instead of Unicode from JSON?
Python
Json
Serialization
Unicode
Python 2.x
Get human readable version of file size?
Python
Code Snippets
Filesize
Defining private module functions in python
Python
Function
Module
Private
What's the u prefix in a Python string?
Python
Syntax
Display help message with Python argparse when script is called without any arguments
Python
Argparse
How can I create a copy of an object in Python?
Python
Oop
Object
Copy
How can I read large text files line by line, without loading it into memory?
Python
Python 2.x
List comprehension on a nested list?
Python
List
Nested
List Comprehension
Find row where values for column is maximal in a pandas DataFrame
Python
Pandas
Dataframe
Row
Argmax
Using global variables between files?
Python
Share
Global
Understanding NumPy's einsum
Python
Arrays
Numpy
Multidimensional Array
Numpy Einsum
Why do python lists have pop() but not push()
Python
'str' object has no attribute 'decode'. Python 3 error?
Python
Python 3.x
Imaplib
Round number to nearest integer
Python
How does the "view" method work in PyTorch?
Python
Memory
Pytorch
Torch
Tensor
Possibilities for Python classes organized across files?
Python
Class
Project Structure
How do you extract a column from a multi-dimensional array?
Python
Arrays
Multidimensional Array
Extraction
What is the correct syntax for 'else if'?
Python
Python 3.x
Cron and virtualenv
Python
Django
Cron
Virtualenv
BeautifulSoup getting href
Python
Tags
Beautifulsoup
What does '# noqa' mean in Python comments?
Python
Comments
Terminology
Code Analysis
Pep8
Chain-calling parent initialisers in python
Python
Oop
Inheritance
Constructor
Get IP address of visitors using Flask for Python
Python
Flask
Ip Address
Werkzeug
Read file from line 2 or skip header row
Python
File Io
Deleting folders in python recursively
Python
Directory
How should I log while using multiprocessing in Python?
Python
Logging
Multiprocessing
How to fix Python indentation
Python
Python recursive folder read
Python
Scripting
File Io
Matplotlib (pyplot) savefig outputs blank image
Python
Image
Matplotlib
Figure
Sending "User-agent" using Requests library in Python
Python
Web Crawler
Python Requests
What does "hashable" mean in Python?
Python
Jupyter Notebook not saving: '_xsrf' argument missing from post
Python
Google Chrome
Anaconda
Jupyter Notebook
Python's most efficient way to choose longest string in list?
Python
List
List Comprehension
Counting the number of distinct keys in a dictionary in Python
Python
Dictionary
Count
Keyword
How to select a drop-down menu value with Selenium using Python?
Python
Selenium
Selenium Webdriver
Webdriver
Html Select
List files ONLY in the current directory
Python
How to execute raw SQL in Flask-SQLAlchemy app
Python
Sql
Sqlalchemy
Flask
Flask Sqlalchemy
When should I be using classes in Python?
Python
Oop
error UnicodeDecodeError: 'utf-8' codec can't decode byte 0xff in position 0: invalid start byte
Python
Python 3.x
Utf 8
ImportError: No module named PIL
Python
Python Imaging-Library
Easy Install
Using pip behind a proxy with CNTLM
Python
Proxy
Pip
Python requests - print entire http request (raw)?
Python
Http
Python Requests
Extracting text from HTML file using Python
Python
Html
Text
Html Content-Extraction
How can I implement a tree in Python?
Python
Data Structures
Tree
Best practices for adding .gitignore file for Python projects?
Python
Django
Git
Pygtk
Gitignore
Display image as grayscale using matplotlib
Python
Matplotlib
Grayscale
TypeError: unhashable type: 'dict'
Python
Django gives Bad Request (400) when DEBUG = False
Python
Django
Pandas DataFrame to List of Dictionaries
Python
List
Dictionary
Pandas
Dataframe
Why are some float < integer comparisons four times slower than others?
Python
Performance
Floating Point
Cpython
Python Internals
How do I loop through a list by twos?
Python
List
Loops
For Loop
Iteration
How to pick just one item from a generator?
Python
Iterator
Generator
Python 2.x
Check if string ends with one of the strings from a list
Python
String
List
Checking if type == list in python
Python
Exit codes in Python
Python
Exit Code
How to find all the subclasses of a class given its name?
Python
Subclass
What is the easiest way to get current GMT time in Unix timestamp format?
Python
Time
Unix Timestamp
How do I convert a pandas Series or index to a Numpy array?
Python
Pandas
How to extract text from a PDF file?
Python
Pdf
How to avoid .pyc files?
Python
Is there a way to detach matplotlib plots so that the computation can continue?
Python
Matplotlib
Plot
Is it not possible to define multiple constructors in Python?
Python
Constructor
Using Python's os.path, how do I go up one directory?
Python
Django
How do I fix 'ImportError: cannot import name IncompleteRead'?
Python
Pip
Split / Explode a column of dictionaries into separate columns with pandas
Python
Json
Pandas
Dictionary
Json Normalize
Django set default form values
Python
Django
Django Models
Django Forms
Matplotlib tight_layout() doesn't take into account figure suptitle
Python
Matplotlib
Appending to an empty DataFrame in Pandas?
Python
Pandas
Why does PEP-8 specify a maximum line length of 79 characters?
Python
Coding Style
Pep8
Django template how to look up a dictionary value with a variable
Python
Django
Templates
Dictionary
How to import module when module name has a '-' dash or hyphen in it?
Python
Import
Module
Hyphen
Representing and solving a maze given an image
Python
Algorithm
Matlab
Image Processing
Maze
How does functools partial do what it does?
Python
Functional Programming
Partial Application
Functools
How to implement the Softmax function in Python
Python
Numpy
Machine Learning
Logistic Regression
Softmax
pandas: merge (join) two data frames on multiple columns
Python
Python 3.x
Pandas
Join
Django development IDE
Python
Django
Ide
Why compile Python code?
Python
Compilation
read subprocess stdout line by line
Python
Subprocess
Raise warning in Python without interrupting program
Python
Exception
Error Handling
Warnings
Convert timedelta to total seconds
Python
Datetime
Are tuples more efficient than lists in Python?
Python
Performance
List
Tuples
Python Internals
Is generator.next() visible in Python 3?
Python
Python 3.x
Iteration
Can I add comments to a pip requirements file?
Python
Comments
Pip
How can I recover the return value of a function passed to multiprocessing.Process?
Python
Python Multiprocessing
Simple way to measure cell execution time in ipython notebook
Python
Jupyter Notebook
Ipython
Jupyter
What do *args and **kwargs mean?
Python
Python, Matplotlib, subplot: How to set the axis range?
Python
Range
Axis
Matplotlib
Javascript equivalent of Python's zip function
Javascript
Python
Functional Programming
Transpose
Why does "pip install" inside Python raise a SyntaxError?
Python
Pip
Installation
what does the __file__ variable mean/do?
Python
Calling parent class __init__ with multiple inheritance, what's the right way?
Python
Oop
Inheritance
Multiple Inheritance
Super
How can I convert an RGB image into grayscale in Python?
Python
Matplotlib
What is pip's equivalent of `npm install package --save-dev`?
Python
node.js
Pip
How do I install Python OpenCV through Conda?
Python
Opencv
Anaconda
Conda
Docker "ERROR: could not find an available, non-overlapping IPv4 address pool among the defaults to assign to the network"
Python
Docker
Docker Compose
Initializing a list to a known number of elements in Python
Python
Arrays
List
How do I check if I'm running on Windows in Python?
Python
Platform
Platform Specific
How to sort a list of lists by a specific index of the inner list?
Python
Sorting
How to convert a UTC datetime to a local datetime using only standard library?
Python
Datetime
Timezone
Python Datetime
Python function overloading
Python
Class
Oop
Overloading
Multiple Dispatch
Storing Python dictionaries
Python
Json
Dictionary
Save
Pickle
Import Error: No module named numpy
Python
Python 3.x
Numpy
Import
Scipy
Check if item is in an array / list
Python
Arrays
Contains
Split a Pandas column of lists into multiple columns
Python
Pandas
List
Split
How to convert an integer to a string in any base?
Python
Base
Radix
How to install multiple python packages at once using pip
Python
Pip
How to process SIGTERM signal gracefully?
Python
Daemon
Sigterm
Start Stop-Daemon
socket.error: [Errno 48] Address already in use
Python
Macos
Simplehttpserver
How to normalize a NumPy array to a unit vector?
Python
Numpy
Scikit Learn
Statistics
Normalization
Why is 'x' in ('x',) faster than 'x' == 'x'?
Python
Performance
Python 3.x
Python Internals
How to replace whitespaces with underscore?
Python
String
PyPy -- How can it possibly beat CPython?
Python
Pypy
Language Implementation
Is False == 0 and True == 1 an implementation detail or is it guaranteed by the language?
Python
Boolean
Equality
Language Specifications
Iterating over every two elements in a list
Python
List
How to print a dictionary's key?
Python
Dictionary
Key
How are glob.glob()'s return values ordered?
Python
Glob
In Python, how do you convert a `datetime` object to seconds?
Python
Python 2.7
What's the difference between dist-packages and site-packages?
Python
Pip
Easy Install
Package Managers
Convert python datetime to epoch with strftime
Python
Datetime
Utc
Epoch
Strftime
Difference between os.getenv and os.environ.get
Python
Environment Variables
Python Os
Wait until page is loaded with Selenium WebDriver for Python
Python
Selenium
Execute Script
check if a key exists in a bucket in s3 using boto3
Python
Amazon S3
Boto3
How to change dataframe column names in pyspark?
Python
Apache Spark
Pyspark
Apache Spark-Sql
What is the difference between json.load() and json.loads() functions
Python
Json
Python 2.7
How do I check that multiple keys are in a dict in a single pass?
Python
Dictionary
Correct way to use get_or_create?
Python
Django
How to Customize the time format for Python logging?
Python
Datetime
Logging
Formatting
Dictionaries and default values
Python
Dictionary
Coding Style
E731 do not assign a lambda expression, use a def
Python
Lambda
Flake8
Pep
Seaborn plots not showing up
Python
Matplotlib
Seaborn
How to get http headers in flask?
Python
Http
Flask
Http Headers
Authorization
Daemon Threads Explanation
Python
Multithreading
Daemon
Python Multithreading
difference between variables inside and outside of __init__()
Python
Class
Oop
Constructor
Test if a variable is a list or tuple
Python
Types
List
Check if string contains only whitespace
Python
Text
Whitespace
Why aren't python nested functions called closures?
Python
Closures
Nested Function
Calculating arithmetic mean (one type of average) in Python
Python
List
Mean
How to check if all elements of a list match a condition?
Python
List
For Loop
While Loop
How to unzip a list of tuples into individual lists?
Python
List
Tuples
List Comprehension
What is the problem with shadowing names defined in outer scopes?
Python
Pycharm
Shadowing
How do I read a large csv file with pandas?
Python
Pandas
Csv
Memory
Chunks
Django Template Variables and Javascript
Javascript
Python
Django
Google App-Engine
Django Templates
Why doesn't Python have multiline comments?
Python
Comments
Multiline
Why use Abstract Base Classes in Python?
Python
Abstract Class
Abc
How to call a shell script from python code?
Python
Shell
Django MEDIA_URL and MEDIA_ROOT
Python
Python 3.x
Django
Media
Django Media
Check if a string contains a number
Python
String
Python mock multiple return values
Python
Unit Testing
Mocking
Python Mock
Does Conda replace the need for virtualenv?
Python
Scipy
Virtualenv
Anaconda
Conda
What are the differences between Perl, Python, AWK and sed?
Python
Perl
Sed
Awk
Language Comparisons
How to determine the encoding of text?
Python
Encoding
Text Files
How to add property to a class dynamically?
Python
Properties
Runtime
Monkeypatching
PyLint "Unable to import" error - how to set PYTHONPATH?
Python
Virtualenv
Pylint
Pythonpath
Abstract methods in Python
Python
Inheritance
Abstract
Relationship between SciPy and NumPy
Python
Numpy
Scipy
clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
Python
Clang
Pip
Osx Mavericks
How to uninstall a package installed with pip install --user
Python
Python 3.x
Pip
Virtualenv
How to import a Python class that is in a directory above?
Python
Module
Directory
Python Import
Formatting "yesterday's" date in python
Python
Datetime
Date
How to count the frequency of the elements in an unordered list?
Python
Counter
Frequency
Counting
append new row to old csv file python
Python
Csv
Append
Writer
Pass a list to a function to act as multiple arguments
Python
List
Parameter Passing
Python Anaconda - How to Safely Uninstall
Python
Anaconda
Filtering Pandas DataFrames on dates
Python
Datetime
Pandas
Filtering
Dataframe
Convert a tensor to numpy array in Tensorflow?
Python
Numpy
Tensorflow
Python foreach equivalent
Python
Foreach
How to check if one of the following items is in a list?
Python
Syntax error on print with Python 3
Python
Python 3.x
How to create module-wide variables in Python?
Python
Variables
Singleton
Module
Scope
Convert UTC datetime string to local datetime
Python
Datetime
Utc
Localtime
What is the purpose of the -m switch?
Python
Command Line
Module
Package
how do I make a single legend for many subplots with matplotlib?
Python
Matplotlib
Modify tick label text
Python
Matplotlib
How to handle errors with boto3?
Python
Amazon Web-Services
Boto
Boto3
How to read specific lines from a file (by line number)?
Python
File
Line
Constantly print Subprocess output while process is running
Python
Subprocess
How do I change the string representation of a Python class?
Python
String
Python 3.x
Printing
builtins.TypeError: must be str, not bytes
Python
Python 3.x
Lxml
Can I set max_retries for requests.request?
Python
Python Requests
What is the difference between join and merge in Pandas?
Python
Pandas
Dataframe
Join
pandas three-way joining multiple dataframes on columns
Python
Pandas
Join
Merge
How to get the parents of a Python class?
Python
Oop
How to print pandas DataFrame without index
Python
Datetime
Pandas
Dataframe
What is the purpose of class methods?
Python
Class Method
How to convert an int to a hex string?
Python
String
Hex
Int
Upgrade python in a virtualenv
Python
Pip
Virtualenv
Version
Requirements
How can I display an image from a file in Jupyter Notebook?
Python
Jupyter Notebook
Ipython
You need to install postgresql-server-dev-X.Y for building a server-side extension or libpq-dev for building a client-side application
Python
Django
Postgresql
How do I calculate percentiles with python/numpy?
Python
Numpy
Statistics
Numpy Ndarray
Percentile
TypeError: 'str' does not support the buffer interface
Python
String
Gzip
How to get indices of a sorted array in Python
Python
Indexing
Sorted
How to send email to multiple recipients using python smtplib?
Python
Email
Smtp
Message
Smtplib
Python None comparison: should I use "is" or ==?
Python
Comparison
Nonetype
pandas DataFrame: replace nan values with average of columns
Python
Pandas
Nan
str.startswith with a list of strings to test for
Python
String
List
TypeError: got multiple values for argument
Python
Python 3.x
How to get all values from python enum class?
Python
Enums
Merge two dataframes by index
Python
Pandas
Dataframe
Merge
Concat
Create a "with" block on several context managers?
Python
With Statement
Contextmanager
How to sort with lambda in Python
Python
Sorting
Functional Programming
Anonymous Function
Fastest way to get the first object from a queryset in django?
Python
Django
Performance
Django Models
multiple prints on the same line in Python
Python
Printing
Stdout
Line Breaks
Using OR in SQLAlchemy
Python
Sqlalchemy
Moving matplotlib legend outside of the axis makes it cutoff by the figure box
Python
Matplotlib
Legend
What is the use of join() in Python threading?
Python
Multithreading
Python Multithreading
Are nested try/except blocks in Python a good programming practice?
Python
Find out how much memory is being used by an object in Python
Python
Performance
Memory Profiling
The tilde operator in Python
Python
Operators
Remove duplicates by columns A, keeping the row with the highest value in column B
Python
Duplicates
Pandas
Skip the headers when editing a csv file using Python
Python
Python 2.7
Csv
Convert tuple to list and back
Python
List
Tuples
Making a request to a RESTful API using python
Python
Elasticsearch
Rest
pandas groupby sort within groups
Python
Sorting
Pandas
Group By
How do you create a daemon in Python?
Python
Daemon
Programmatically stop execution of python script?
Python
Having Django serve downloadable files
Python
Django
Django Authentication
Read only the first line of a file?
Python
File
How often does python flush to a file?
Python
File
Flush
ValueError: setting an array element with a sequence
Python
Arrays
Numpy
Slice
How do I read image data from a URL in Python?
Python
Python Imaging-Library
Progress indicator during pandas operations
Python
Pandas
Ipython
How to smooth a curve in the right way?
Python
Numpy
Scipy
Signal Processing
Smoothing
Timeout for python requests.get entire response
Python
Timeout
Python Requests
What is the global interpreter lock (GIL) in CPython?
Python
Python Internals
Gil
Is there a math nCr function in python?
Python
Function
Math
Format a datetime into a string with milliseconds
Python
Datetime
String Formatting
Milliseconds
Using both Python 2.x and Python 3.x in IPython Notebook
Python
Python 2.7
Python 3.x
Ipython
Ipython Notebook
Could not find a version that satisfies the requirement <package>
Python
Pip
requirements.txt
Starting python debugger automatically on error
Python
Debugging
What does Ruby have that Python doesn't, and vice versa?
Python
Ruby
What is the pythonic way to detect the last element in a 'for' loop?
For Loop
Python
Idioms
Fencepost
Autoreload of modules in IPython
Python
Jupyter Notebook
Ipython
HTTP requests and JSON parsing in Python
Python
Json
Python 2.7
Named regular expression group "(?P<group_name>regexp)": what does "P" stand for?
Python
Regex
Regex Group
How do Python's any and all functions work?
Python
numpy matrix vector multiplication
Python
Arrays
Numpy
Vector
Matrix
How to check if a float value is a whole number
Python
Floating Point
What is the difference between `sorted(list)` vs `list.sort()`?
Python
List
Sorting
Copy
In Place
How to iterate over columns of pandas dataframe to run regression
Python
Pandas
Statsmodels
How does asyncio actually work?
Python
Python 3.x
Python Asyncio
Python Internals
What is the result of % in Python?
Python
Python 2.7
Syntax
Operators
Modulo
How to calculate the angle between a line and the horizontal axis?
C#
Python
Trigonometry
Can't compare naive and aware datetime.now() <= challenge.datetime_end
Python
Django
Datetime
Comparison
How to determine whether a Pandas Column contains a particular value
Python
Pandas
Checking if a string can be converted to float in Python
Python
String
Type Conversion
How do I mock an open used in a with statement (using the Mock framework in Python)?
Python
Mocking
With Statement
Catch a thread's exception in the caller thread?
Python
Multithreading
Exception
How to use MySQLdb with Python and Django in OSX 10.6?
Python
Mysql
Django
Virtualenv
Virtualenvwrapper
Safest way to convert float to integer in python?
Python
Math
Integer
Python 2.x
How to compute the similarity between two text documents?
Python
Nlp
TypeError: sequence item 0: expected string, int found
Python
Removing white space around a saved image
Python
Matplotlib
Moving average or running mean
Python
Numpy
Scipy
Moving Average
How can I verify if one list is a subset of another?
Python
List
How to create a numpy array of all True or all False?
Python
Arrays
Numpy
Boolean
Numpy Ndarray
Python app does not print anything when running detached in docker
Python
Docker
Dockerfile
How to get rid of "Unnamed: 0" column in a pandas DataFrame read in from CSV file?
Python
Pandas
Csv
Dataframe
Unable to set default python version to python3 in ubuntu
Python
Python 3.x
Ubuntu
Installation
Ubuntu 16.04
Why does integer division yield a float instead of another integer?
Python
Integer
Python 3.x
Division
Including non-Python files with setup.py
Python
Distutils
How can I convert JSON to CSV?
Python
Json
Csv
Json Normalize
Python try...except comma vs 'as' in except
Python
Python 2.6
What blocks Ruby, Python to get Javascript V8 speed?
Javascript
Python
Ruby
Performance
Language Design
Using headers with the Python requests library's get method
Python
Http Request
Python Requests
How to redirect 'print' output to a file?
Python
Io
File Writing
Take the content of a list and append it to another list
Python
List
How can I read inputs as numbers?
Python
Python 3.x
Python 2.7
Input
Int
input() error - NameError: name '...' is not defined
Python
Python 2.7
Input
Nameerror
Passing functions with arguments to another function in Python?
Python
Function
Is it possible to use 'else' in a list comprehension?
Python
List Comprehension
How do I check the difference, in seconds, between two dates?
Python
Time
Datediff
Python argparse ignore unrecognised arguments
Python
Argparse
Optparse
Confused by python file mode "w+"
Python
File
Io
How to update an existing Conda environment with a .yml file
Python
Django
Anaconda
Conda
How to filter a dictionary according to an arbitrary condition function?
Python
Dictionary
Filter
Running Python on Windows for Node.js dependencies
Python
Windows
node.js
Npm
Converting JSON String to Dictionary Not List
Python
Json
How to load/edit/run/save text files (.py) into an IPython notebook cell?
Python
Jupyter Notebook
Ipython
Jupyter
PyLint message: logging-format-interpolation
Python
Python 3.x
Pylint
boto3 client NoRegionError: You must specify a region error only sometimes
Python
Linux
Amazon Web-Services
Boto3
Aws Kms
Calculating a directory's size using Python?
Python
Directory
Django - what is the difference between render(), render_to_response() and direct_to_template()?
Python
Django
Getting a list of values from a list of dicts
Python
List
Dictionary
How to use a different version of python during NPM install?
Python
node.js
Centos
Npm
Converting int to bytes in Python 3
Python
Python 3.x
Python pandas Filtering out nan from a data selection of a column of strings
Python
Pandas
Dataframe
How to execute Python code from within Visual Studio Code
Python
Visual Studio-Code
Pandas create empty DataFrame with only column names
Python
Pandas
Dataframe
What's the best solution for OpenID with Django?
Python
Django
Openid
How can I check if my python object is a number?
Python
Types
Numbers
How to create a file name with the current date & time in Python?
Python
ImportError: No module named pip
Python
Macos
Pip
Rename specific column(s) in pandas
Python
Pandas
Dataframe
Rename
Add x and y labels to a pandas plot
Python
Pandas
Dataframe
Matplotlib
How to prevent Google Colab from disconnecting?
Python
Linux
Jupyter Notebook
Google Colaboratory
Appending the same string to a list of strings in Python
Python
List
python re.sub group: number after \number
Python
Regex
Numbers
Regex Group
How to know/change current directory in Python shell?
Python
Windows
Python 3.x
Python 3.2
Pythonic way to combine datetime.date and datetime.time objects
Datetime
Python
Python argparse: default value or specified value
Python
Default Value
Argparse
What is the difference between shallow copy, deepcopy and normal assignment operation?
Python
Copy
Variable Assignment
Immutability
Deep Copy
How are Pipfile and Pipfile.lock used?
Python
Pip
UnboundLocalError on local variable when reassigned after first use
Python
Variables
Scope
How to "perfectly" override a dict?
Python
Inheritance
Dictionary
Get
Set
Understanding the difference between __getattr__ and __getattribute__
Python
Oop
Encapsulation
Getattr
Getattribute
How to serialize SqlAlchemy result to JSON?
Python
Json
Sqlalchemy
Flatten nested dictionaries, compressing keys
Python
Dictionary
Configuring so that pip install can work from github
Python
Git
Pip
Does Python optimize tail recursion?
Python
Recursion
Stack
Stack Overflow
Tail Recursion
Pandas DataFrame Groupby two columns and get counts
Python
Pandas
Dataframe
Is it possible to ignore one single specific line with Pylint?
Python
Pylint
Converting Dictionary to List?
Python
List
Dictionary
Creating an empty list in Python
Python
Performance
List
Coding Style
Timeit
Django Admin - change header 'Django administration' text
Python
Django
Django Admin
Transposing a 1D NumPy array
Python
Numpy
Transpose
pyplot common axes labels for subplots
Python
Matplotlib
Label
Subplot
Axes
Count number of occurrences of a substring in a string
Python
String
Django Server Error: port is already in use
Python
Django
Load data from txt with pandas
Python
Io
Pandas
How do I filter ForeignKey choices in a Django ModelForm?
Python
Django
Django Forms
Controlling mouse with Python
Python
Mouse
How to install packages offline?
Python
Pip
Freebsd
Easy Install
Python Requests
"Could not run curl-config: [Errno 2] No such file or directory" when installing pycurl
Python
Installation
Pycurl
pip install - locale.Error: unsupported locale setting
Python
Python 3.x
Centos
Pip
How to annotate types of multiple return values?
Python
Python 3.x
Python 3.5
Type Hinting
Python Typing
ModuleNotFoundError: What does it mean __main__ is not a package?
Python
Module
Python 3.6
Python Import
Select rows in pandas MultiIndex DataFrame
Python
Pandas
Dataframe
Slice
Multi Index
Class method differences in Python: bound, unbound and static
Python
Static Methods
How to increment datetime by custom months in python without using library
Python
Datetime
Asserting successive calls to a mock method
Python
Mocking
How to open a file using the open with statement
Python
File
Python 3.x
File Io
Io
Split a python list into other "sublists" i.e smaller lists
Python
Python 2.7
Class method decorator with self arguments?
Python
Python Decorators
TypeError: not all arguments converted during string formatting python
Python
String
Python 3.x
Typeerror
Output Formatting
How do you programmatically set an attribute?
Python
Attributes
Object
How do I convert a string to a double in Python?
Python
String
Double
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
Python
Uuid
What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function?
Python
Dictionary
How to loop backwards in python?
Python
Iteration
Range
Web-scraping JavaScript page with Python
Javascript
Python
Web Scraping
Python 2.x
How can I multiply all items in a list together with Python?
Python
List
Multiplication
Why isn't my Pandas 'apply' function referencing multiple columns working?
Python
Python 2.7
Pandas
Dataframe
Apply
Convert datetime to Unix timestamp and convert it back in python
Python
Datetime
Timestamp
Max retries exceeded with URL in requests
Python
Python Requests
Compute list difference
Python
List
SQLAlchemy default DateTime
Python
Date
Sqlalchemy
Broken references in Virtualenvs
Python
Macos
Virtualenv
Homebrew
Dyld
Convert string to Enum in Python
Python
String
Serialization
Enums
Type Conversion
Python: access class property from string
Python
Syntax
How to create new folder?
Python
Mkdir
Override Python's 'in' operator?
Python
Operator Overloading
Operators
In Operator
How to create a temporary directory and get its path/ file name?
Python
Temporary Files
Temporary Directory
What's the proper way to install pip, virtualenv, and distribute for Python?
Python
Virtualenv
Setuptools
Distribute
Check if a number is int or float
Python
How to create a custom string representation for a class object?
Python
Class
e.printStackTrace equivalent in python
Java
Python
Exception
Stack Trace
sqlite3.ProgrammingError: Incorrect number of bindings supplied. The current statement uses 1, and there are 74 supplied
Python
Sqlite
How to run Conda?
Python
Bash
Anaconda
Conda
How to remove specific substrings from a set of strings in Python?
Python
Python 3.x
How to get a complete list of object's methods and attributes?
Python
Is there a label/goto in Python?
Python
Goto
How can I convert a dictionary into a list of tuples?
Python
List
Dictionary
How is Python's List Implemented?
Python
Arrays
List
Linked List
Python Internals
Why does "return list.sort()" return None, not the list?
Python
List
Sorting
Return
Require either of two arguments using argparse
Python
Argparse
How to get JSON from webpage into Python script
Python
Json
Delete the first three rows of a dataframe in pandas
Python
Pandas
How do I upgrade to Python 3.6 with conda?
Python
Macos
Anaconda
Conda
Why do we need to call zero_grad() in PyTorch?
Python
Neural Network
Deep Learning
Pytorch
Gradient Descent
How can I check for Python version in a program that uses new language features?
Python
Version
How to write very long string that conforms with PEP8 and prevent E501
Python
String
Pep8
proper name for python * operator?
Python
Operators
Splat
How do you decode Base64 data in Python?
Python
Base64
Decode
How to declare array of zeros in python (or an array of a certain size)
Python
How do I check if a string is valid JSON in Python?
Python
Json
How can I check the extension of a file?
Python
File Extension
u'\ufeff' in Python string
Python
Unicode
Utf 8
Replace all elements of Python NumPy Array that are greater than some value
Python
Arrays
Numpy
Replace
Conditional Statements
Logical operators for Boolean indexing in Pandas
Python
Pandas
Dataframe
Boolean
Filtering
TransactionManagementError "You can't execute queries until the end of the 'atomic' block" while using signals, but only during Unit Testing
Python
Django
Unit Testing
Django Signals
Python3 project remove __pycache__ folders and .pyc files
Python
Python 3.x
Python 3.4
Delete File
Plot a horizontal line using matplotlib
Python
Matplotlib
standard_init_linux.go:178: exec user process caused "exec format error"
Python
Linux
Bash
Docker
How to use XPath in Python?
Python
Xml
Dom
Xpath
Python 2.x
How do I load a file into the python console?
Python
Read Eval-Print-Loop
Writing Unicode text to a text file?
Python
Unicode
Character Encoding
Python 2.x
Initialising an array of fixed size in Python
Python
Arrays
List
How does Django's nested Meta class work?
Python
Django
Python datetime - setting fixed hour and minute after using strptime to get day,month,year
Python
Date
Datetime
Time
Date Manipulation
live output from subprocess command
Python
Shell
Logging
Error Handling
Subprocess
Using property() on classmethods
Python
Oop
Which Python packages offer a stand-alone event system?
Python
Events
Event Handling
Dispatcher
Create numpy matrix filled with NaNs
Python
Numpy
Reduce left and right margins in matplotlib plot
Python
Matplotlib
How to step through Python code to help debug issues?
Python
Debugging
How do I format a string using a dictionary in python-3.x?
Python
String
Dictionary
Python 3.x
Why is Python running my module when I import it, and how do I stop it?
Python
Module
Python Import
Clear variable in python
Python
Pandas: Setting no. of max rows
Python
Formatting
Pandas
Ipython Notebook
Finding median of list in Python
Python
List
Sorting
Median
Safe method to get value of nested dictionary
Python
Dictionary
Methods
Except
How to check if a string in Python is in ASCII?
Python
String
Unicode
Ascii
What's the function like sum() but for multiplication? product()?
Python
Product
Built In
Pep
How can I parse a time string containing milliseconds in it with python?
Python
Date
Time
Datetime Parsing
Initialise a list to a specific length in Python
Python
List
Is it possible to forward-declare a function in Python?
Python
Forward Declaration
Set markers for individual points on a line in Matplotlib
Python
Matplotlib
List of lists into numpy array
Python
List
Numpy
What is the difference between Python and IPython?
Python
Ipython
Find unique rows in numpy.array
Python
Arrays
Numpy
Unique
pandas get column average/mean
Python
Pandas
Python find elements in one list that are not in the other
Python
List
Model summary in pytorch
Python
Pytorch
Is a Python dictionary an example of a hash table?
Python
Hash
Dictionary
Hashmap
Hashtable
How to implement common bash idioms in Python?
Python
Bash
Shell
How do I keep Python print from adding newlines or spaces?
Python
Printing
Formatting
Python 2.x
Explain Python entry points?
Python
Setuptools
matplotlib Legend Markers Only Once
Python
Matplotlib
Jinja2 shorthand conditional
Python
Jinja2
Conditional Operator
Using python's eval() vs. ast.literal_eval()
Python
Eval
Abstract Syntax-Tree
How to use Python to execute a cURL command?
Python
Curl
How to filter rows containing a string pattern from a Pandas dataframe
Python
Pandas
Dataframe
Take multiple lists into dataframe
Python
Numpy
Pandas
How to add header row to a pandas DataFrame
Python
Csv
Pandas
Header
Why does Python's hash of infinity have the digits of π?
Python
Math
Hash
Floating Point
Pi
How to switch position of two items in a Python list?
Python
List
Create dynamic URLs in Flask with url_for()
Python
Flask
Permutations between two lists of unequal length
Python
List
Algorithm
Itertools
Combinatorics
How to construct a set out of list items in python?
Python
List
Set
python max function using 'key' and lambda expression
Python
Function
Lambda
Getting distance between two points based on latitude/longitude
Python
Geocoding
Geo
Geography
multiprocessing.Pool: What's the difference between map_async and imap?
Python
Multiprocessing
Python Multiprocessing
How to find the mime type of a file in python?
Python
Mime
How do I create a slug in Django?
Python
Django
Django Models
Slug
Executing multi-line statements in the one-line command-line
Python
Shell
Command Line
Heredoc
How to access object attribute given string corresponding to name of that attribute
Python
Object
Attributes
How do I use brew installed Python as the default Python?
Python
Homebrew
Is Python interpreted, or compiled, or both?
Python
Interpreted Language
Find first element in a sequence that matches a predicate
Python
Predicate
Pandas percentage of total with groupby
Python
Pandas
Python3: ImportError: No module named '_ctypes' when using Value from module multiprocessing
Python
Compiler Errors
Installation
Python 3.4
Failed Installation
Clear terminal in Python
Python
Terminal
Using Sphinx with Markdown instead of reST
Python
Markdown
Python Sphinx
How do I check (at runtime) if one class is a subclass of another?
Python
Subclass
Assert
Remove the first character of a string
Python
String
Does uninstalling a package with "pip" also remove the dependent packages?
Python
Packages
Pip
How to check for valid email address?
Python
Regex
Email Validation
Email Address
Serializing class instance to JSON
Python
Json
Serialization
Pickle
How can I check whether a numpy array is empty or not?
Python
Numpy
Python 3 turn range to a list
Python
Python 3.x
List
Range
How to output loop.counter in python jinja template?
Python
Jinja2
Templating Engine
python pandas remove duplicate columns
Python
Pandas
Python import csv to list
Python
Csv
How do I print the key-value pairs of a dictionary in python
Python
Dictionary
assertEquals vs. assertEqual in python
Python
Unit Testing
AttributeError: 'module' object has no attribute
Python
Attributeerror
Understanding generators in Python
Python
Generator
How to get the caller's method name in the called method?
Python
Introspection
How can I list the contents of a directory in Python?
Python
Path
SQLAlchemy: print the actual query
Python
Sqlalchemy
Print all day-dates between two dates
Python
Datetime
Save classifier to disk in scikit-learn
Python
Machine Learning
Scikit Learn
Classification
Can I serve multiple clients using just Flask app.run() as standalone?
Python
Flask
Cannot install Lxml on Mac OS X 10.9
Python
Xcode
Macos
Scrapy
Lxml
np.mean() vs np.average() in Python NumPy?
Python
Numpy
Statistics
Average
Mean
How to display pandas DataFrame of floats using a format string for columns?
Python
Python 2.7
Pandas
Ipython
Dataframe
ImportError: No module named sklearn.cross_validation
Python
Scikit Learn
Understanding __getitem__ method
Python
What are "first-class" objects?
Python
Language Agnostic
How do I copy a string to the clipboard?
Python
Windows
Interop
Clipboard
Python creating a dictionary of lists
Python
Dictionary
Fastest way to convert an iterator to a list
Python
Iterator
List Comprehension
Why does this iterative list-growing code give IndexError: list assignment index out of range?
Python
List
Exception
Build the full path filename in Python
Python
Filenames
pytest: assert almost equal
Python
Unit Testing
Pytest
error: command 'gcc' failed with exit status 1 while installing eventlet
Python
Ubuntu
Eventlet
SSL InsecurePlatform error when using Requests package
Python
Ssl
Python Requests
xlrd.biffh.XLRDError: Excel xlsx file; not supported
Python
Pandas
Xlrd
Pcf
Which is faster in Python: x**.5 or math.sqrt(x)?
Python
Performance
How do I pass a method as a parameter in Python
Python
Parameter Passing
Python Sets vs Lists
Python
List
Performance
Data Structures
Set
Repeat string to certain length
String
Python
Repeat
Make virtualenv inherit specific packages from your global site-packages
Python
Virtualenv
How to set xlim and ylim for a subplot in matplotlib
Python
Matplotlib
Plot
Changing a specific column name in pandas DataFrame
Python
Pandas
How to save a Seaborn plot into a file
Python
Pandas
Matplotlib
Seaborn
What are some good Python ORM solutions?
Python
Orm
Why can a function modify some arguments as perceived by the caller, but not others?
Python
How to obtain a Thread id in Python?
Python
Multithreading
Python Multithreading
Python Logging
How to pass arguments to a Button command in Tkinter?
Python
Python 3.x
Button
Tkinter
Arguments
Concatenate a NumPy array to another NumPy array
Python
Numpy
Skip first entry in for loop in python?
Python
Why does this code for initializing a list of lists apparently link the lists together?
Python
List
One-line list comprehension: if-else variants
Python
List Comprehension
Ternary Operator
Conditional Operator
Set up Python simpleHTTPserver on Windows
Python
Windows
Python 3.x
Simplehttpserver
Pandas DataFrame: replace all values in a column, based on condition
Python
Pandas
Dataframe
Why is the use of len(SEQUENCE) in condition values considered incorrect by Pylint?
Python
Conditional Statements
Pylint
How to show all columns' names on a large pandas dataframe?
Python
Pandas
Dataframe
Options
Pythonic way to check if a file exists?
Python
File
Update value of a nested dictionary of varying depth
Python
How to install both Python 2.x and Python 3.x in Windows
Python
Windows
Compatibility
Backwards Compatibility
Build Environment
Is it possible to set a number to NaN or infinity?
Python
Numeric
Nan
Infinite
Print all properties of a Python Class
Python
Oop
Converting integer to binary in python
Python
Binary
Integer
Get the current git hash in a Python script
Python
Git
Git Hash
How can I map True/False to 1/0 in a Pandas DataFrame?
Python
Pandas
Dataframe
Numpy
Boolean
What is pip's `--no-cache-dir` good for?
Python
Pip
Java "Virtual Machine" vs. Python "Interpreter" parlance?
Java
Python
Jvm
Programmatically saving image to Django ImageField
Python
Django
Django Models
Dynamic instantiation from string name of a class in dynamically imported module?
Python
Unpacking a list / tuple of pairs into two lists / tuples
Python
List
Tuples
How to print bold text in Python?
Python
Text
Printing
How to convert integer timestamp to Python datetime
Python
Datetime
Timestamp
How to output a comma delimited list in jinja python template?
Python
Jinja2
warning about too many open figures
Python
Python 3.x
Matplotlib
Python type hinting without cyclic imports
Python
Python 3.5
Python 3.4
Type Hinting
Python Typing
Asyncio.gather vs asyncio.wait
Python
Asynchronous
Async Await
Python Asyncio
Good Python modules for fuzzy string comparison?
Python
String
String Comparison
Fuzzy Comparison
What is the proper way to comment functions in Python?
Python
Formatting floats without trailing zeros
Python
Formatting
Floating Point
Pretty Print
How to print a percentage value in python?
Python
Python 2.x
Python logging: use milliseconds in time format
Python
Logging
Time
Random row selection in Pandas dataframe
Python
Pandas
Random
Search for "does-not-contain" on a DataFrame in pandas
Python
Pandas
Contains
Format / Suppress Scientific Notation from Pandas Aggregation Results
Python
Pandas
Floating Point
Scientific Notation
Number Formatting
ImportError: No module named 'django.core.urlresolvers'
Python
Python 3.x
Django
Python 3.5
Django 2.0
"ERROR:root:code for hash md5 was not found" when using any hg mercurial commands
Python
Macos
Openssl
Mercurial
Homebrew
How do I get python's pprint to return a string instead of printing?
Python
Pretty Print
Pprint
Passing HTML to template using Flask/Jinja2
Python
Jinja2
Flask
How do I format a date in Jinja2?
Python
Jinja2
How do I check the operating system in Python?
Python
Linux
Operating System
How to do a less than or equal to filter in Django queryset?
Python
Django
Django Queryset
I'm getting Key error in python
Python
Dictionary
How to convert a NumPy array to PIL image applying matplotlib colormap
Python
Numpy
Matplotlib
Python Imaging-Library
Color Mapping
Set Matplotlib colorbar size to match graph
Python
Image
Matplotlib
Fatal error in launcher: Unable to create process using ""C:\Program Files (x86)\Python33\python.exe" "C:\Program Files (x86)\Python33\pip.exe""
Python
Pip
matplotlib: how to draw a rectangle on image
Python
Image
Matplotlib
Different ways of clearing lists
Python
List
Write to UTF-8 file in Python
Python
Utf 8
Character Encoding
Byte Order-Mark
Is there a zip-like function that pads to longest length?
Python
List
Zip
How to join two generators in Python?
Python
Generator
Wrap long lines in Python
Python
String
sqlalchemy unique across multiple columns
Python
Sqlalchemy
How to filter rows in pandas by regex
Python
Regex
Pandas
pandas GroupBy columns with NaN (missing) values
Python
Pandas
Group By
Pandas Groupby
Nan
Pandas column of lists, create a row for each list element
Python
Pandas
List
How to loop over grouped Pandas dataframe?
Python
Pandas
Dataframe
Iteration
Pandas Groupby
How to find which columns contain any NaN value in Pandas dataframe
Python
Pandas
Dataframe
Nan
Why can't Python's raw string literals end with a single backslash?
Python
String
Literals
Rawstring
Queue.Queue vs. collections.deque
Python
Queue
Thread Safety
Python Multithreading
Deque
How do I check if there are duplicates in a flat list?
Python
String
List
Duplicates
Can't pickle <type 'instancemethod'> when using multiprocessing Pool.map()
Python
Multithreading
Multiprocessing
Pickle
Pool
How to convert a string to utf-8 in Python
Python
Python 2.7
Unicode
Utf 8
Is there a difference between using a dict literal and a dict constructor?
Python
Dictionary
Pycharm
How to install python modules without root access?
Python
Numpy
Pip
How to check if a Python module exists without importing it
Python
Python Import
Pandas: Looking up the list of sheets in an excel file
Python
Excel
Pandas
Openpyxl
Xlrd
How to delete last item in list?
Python
Time
Python 3.x
Type hinting a collection of a specified type
Python
Python 3.x
Type Hinting
Python Typing
What can you use generator functions for?
Python
Generator
Why does Python code use len() function instead of a length method?
Python
Function
Oop
Methods
String Length
Windows path in Python
Python
Path
String Literals
How do I convert this list of dictionaries to a csv file?
Python
Csv
Dictionary
Data Conversion
Split a string by a delimiter in python
Python
String
List
Split
How to modify list entries during for loop?
Python
django MultiValueDictKeyError error, how do I deal with it
Python
Django
Exception
django test app error - Got an error creating the test database: permission denied to create database
Python
Sql
Django
Postgresql
Django Testing
How to use "/" (directory separator) in both Linux and Windows in Python?
Python
Linux
Windows
Unix
Applying function with multiple arguments to create a new pandas column
Python
Pandas
What does the slash mean in help() output?
Python
Python 3.x
Parameters
Introspection
Python function attributes - uses and abuses
Python
Function
Attributes
How to check a string for specific characters?
Python
String
How to count the number of true elements in a NumPy bool array
Python
Arrays
Numpy
Count
Boolean
Typical AngularJS workflow and project structure (with Python Flask)
Javascript
Python
Flask
Angularjs
How do I get current URL in Selenium Webdriver 2 Python?
Python
Selenium
Selenium Webdriver
Is it possible to use argsort in descending order?
Python
Numpy
How do I retrieve the number of columns in a Pandas data frame?
Python
Pandas
Dataframe
Is there any difference between "foo is None" and "foo == None"?
Python
Getting the docstring from a function
Python
Convert string to Python class object?
Python
Find the most common element in a list
Python
List
A clean, lightweight alternative to Python's twisted?
Python
Networking
Twisted
Asynchronous
Create a .csv file with values from a Python list
Python
Csv
Xlrd
Creating Threads in python
Python
Multithreading
Using a dictionary to count the items in a list
Python
Scoping in Python 'for' loops
Python
Scope
How to send an email with Python?
Python
Email
Function
Smtplib
NameError: name 'reduce' is not defined in Python
Python
Reduce
Python 3.2
Removing a list of characters in string
Python
String
List
Replace
Replacing blank values (white space) with NaN in pandas
Python
Pandas
Dataframe
Common xlabel/ylabel for matplotlib subplots
Python
Matplotlib
How can I print variable and string on same line in Python?
Python
String
Variables
Printing
How to deep copy a list?
Python
List
Copy
Deep Copy
Dictionary: Get list of values for list of keys
Python
List
Dictionary
Key
Getting individual colors from a color map in matplotlib
Python
Matplotlib
Colors
multiprocessing vs multithreading vs asyncio in Python 3
Python
Multithreading
Python 3.x
Multiprocessing
Python Asyncio
Concatenate a list of pandas dataframes together
Python
Pandas
Dataframe
Concat
_tkinter.TclError: no display name and no $DISPLAY environment variable
Python
Matplotlib
Tkinter
What is the difference between pyenv, virtualenv, anaconda?
Python
Pip
Anaconda
Virtualenv
Pyenv
Python/Json:Expecting property name enclosed in double quotes
Python
Json
Parsing
In requirements.txt, what does tilde equals (~=) mean?
Python
requirements.txt
Is there any way to do HTTP PUT in python
Python
Http
Put
Pinging servers in Python
Python
Python 3.x
Ping
Icmp
What is the syntax to insert one list into another list in python?
Python
List
Append
Extend
Object of custom type as dictionary key
Python
Dictionary
How to get exit code when using Python subprocess communicate method?
Python
Subprocess
Execute code when Django starts ONCE only?
Python
Django
import module from string variable
Python
Matplotlib
Parsing HTML using Python
Python
Xml Parsing
Html Parsing
What is the difference between a pandas Series and a single-column DataFrame?
Python
Pandas
Class has no objects member
Python
Django
Django Views
Scraping: SSL: CERTIFICATE_VERIFY_FAILED error for http://en.wikipedia.org
Python
Web Scraping
Beautifulsoup
Scrapy
Ssl Certificate
Python __str__ versus __unicode__
Python
String
Unicode
Conventions
Simpler way to create dictionary of separate variables?
Python
String
Variables
How to calculate the time interval between two time strings
Python
Time
Python Datetime
Python csv string to array
Python
String
Arrays
Csv
How to run multiple Python versions on Windows
Python
Windows
Python 3.x
Compatibility
Python 2.x
How to convert comma-delimited string to list in Python?
Python
Parsing
List
Tuples
Proxies with Python 'Requests' module
Python
Http Request
Python Requests
pass **kwargs argument to another function with **kwargs
Python
From list of integers, get number closest to a given value
Python
List
Sorting
Integer
When is "i += x" different from "i = i + x" in Python?
Python
Operators
Pandas get topmost n records within each group
Python
Pandas
Greatest N-per-Group
Window Functions
Top N
What's the correct way to sort Python `import x` and `from x import y` statements?
Python
Coding Style
Python Import
Pep8
How to run an .ipynb Jupyter Notebook from terminal?
Python
Jupyter Notebook
Ipython
Nbconvert
Pythonic way to avoid "if x: return x" statements
Python
If Statement
How to ignore deprecation warnings in Python
Python
Warnings
Deprecated
super() fails with error: TypeError "argument 1 must be type, not classobj" when parent does not inherit from object
Python
Object
Inheritance
Parent
Super
How do I add a placeholder on a CharField in Django?
Python
Django
Django Forms
Convert [key1,val1,key2,val2] to a dict?
Python
List
Dictionary
How to make an immutable object in Python?
Python
Python 3.x
Immutability
What is the source code of the "this" module doing?
Python
List of unique dictionaries
Python
Dictionary
Writing a Python list of lists to a csv file
Python
File
Csv
File Io
Python 2.7
How do I get a list of all the duplicate items using pandas in python?
Python
Pandas
Duplicates
Is there a library function for Root mean square error (RMSE) in python?
Python
Scikit Learn
Scipy
Error: "dictionary update sequence element #0 has length 1; 2 is required" on Django 1.4
Python
Django
Uwsgi
How do you write tests for the argparse portion of a python module?
Python
Unit Testing
Argparse
"pip install --editable ./" vs "python setup.py develop"
Python
Pip
Setuptools
Python Packaging
sklearn error ValueError: Input contains NaN, infinity or a value too large for dtype('float64')
Python
Python 2.7
Scikit Learn
Valueerror
How do I remove leading whitespace in Python?
Python
String
Whitespace
Trim
How do I write good/correct package __init__.py files
Python
Packages
Common elements comparison between 2 lists
Python
List
Python: Why is functools.partial necessary?
Python
Functional Programming
Partial Application
How to preserve timezone when parsing date/time strings with strptime()?
Python
Datetime
Timezone
Encoding an image file with base64
Python
Base64
How to strip all whitespace from string
Python
Python 3.x
Spaces
Strip
How to get different colored lines for different plots in a single figure?
Python
Colors
Matplotlib
Is it possible to decompile a compiled .pyc file into a .py file?
Python
Decompiling
Pyc
Compiled
How does tuple comparison work in Python?
Python
Comparison
Tuples
Logging uncaught exceptions in Python
Python
Logging
Exception Handling
How can I extract all values from a dictionary in Python?
Python
Dictionary
Extract
Remove duplicate dict in list in Python
Python
List
Dictionary
Python script to copy text to clipboard
Python
Clipboard
Pyperclip
pip: force install ignoring dependencies
Python
Pip
Stop pip from failing on single package when installing with requirements.txt
Python
Pip
Django - makemigrations - No changes detected
Python
Django
Django Migrations
matplotlib error - no module named tkinter
Python
Matplotlib
Tkinter
How to add multiple columns to pandas dataframe in one assignment?
Python
Pandas
Dataframe
pytest cannot import module while python can
Python
Import
Pytest
In Python, how do I iterate over a dictionary in sorted key order?
Python
Sorting
Dictionary
How can I specify working directory for popen
Python
Subprocess
Popen
What's the purpose of Django setting ‘SECRET_KEY’?
Python
Django
Security
Encryption
Purpose of #!/usr/bin/python3 shebang
Python
Scripting
When and why should I use a namedtuple instead of a dictionary?
Python
Date ticks and rotation in matplotlib
Python
Matplotlib
Accessing class variables from a list comprehension in the class definition
Python
Python 3.x
Scope
List Comprehension
Python Internals
Mocking python function based on input arguments
Python
Unit Testing
Mocking
Mockito
Pandas dataframe get first row of each group
Python
Pandas
Dataframe
Group By
Row
Find p-value (significance) in scikit-learn LinearRegression
Python
Scikit Learn
Statistics
Regression
Hypothesis Test
What is the best way to implement nested dictionaries?
Python
Data Structures
Dictionary
Mapping
Autovivification
Is it possible to implement a Python for range loop without an iterator variable?
Python
Loops
For Loop
Range
In Python, what happens when you import inside of a function?
Python
Python Import
How to write to a file, using the logging Python module?
Python
Logging
How to add hours to current time in python
Python
Time
Add
Timedelta
Replacing Pandas or Numpy Nan with a None to use with MysqlDB
Python
Pandas
Numpy
Mysql Python
How to get the last N rows of a pandas DataFrame?
Python
Pandas
Dataframe
Compare two DataFrames and output their differences side-by-side
Python
Pandas
Dataframe
How to make good reproducible pandas examples
Python
Pandas
Apply vs transform on a group object
Python
Pandas
In TensorFlow, what is the difference between Session.run() and Tensor.eval()?
Python
Tensorflow
Pandas dataframe fillna() only some columns in place
Python
Pandas
Dataframe
Merge PDF files
Python
Pdf
File Io
Pypdf2
Pypdf
How can I get dictionary key as variable directly in Python (not by searching from value)?
Python
Dictionary
Key
Sorting a Python list by two fields
Python
Sorting
What is the best way to exit a function (which has no return value) in python before the function ends (e.g. a check fails)?
Python
Function
Return
How do I draw a grid onto a plot in Python?
Python
Matplotlib
plot a circle with pyplot
Python
Matplotlib
How to create a dictionary of two pandas DataFrame columns
Python
Dictionary
Pandas
Dataframe
Python - Get path of root project structure
Python
How to plot in multiple subplots
Python
Pandas
Matplotlib
Seaborn
Subplot
How should I use the Optional type hint?
Python
Python 3.x
Type Hinting
Python Typing
CMD opens window store when I type python
Python
Windows 10
Sublimetext3
How to skip iterations in a loop?
Python
Case insensitive replace
Python
String
Case Insensitive
Round to 5 (or other number) in Python
Python
Rounding
Generate a heatmap in MatPlotLib using a scatter data set
Python
Matplotlib
Heatmap
Histogram2d
How do I get the "id" after INSERT into MySQL database with Python?
Python
Mysql
Database
How do I get the path of the current executed file in Python?
Python
Path
Directory
Use cases for the 'setdefault' dict method
Python
Dictionary
Setdefault
How to do a scatter plot with empty circles in Python?
Python
Matplotlib
Geometry
Scatter Plot
Scatter
How to put individual tags for a matplotlib scatter plot?
Python
Matplotlib
How can I create directories recursively?
Python
How to add hovering annotations in matplotlib
Python
Matplotlib
Seaborn
Mplcursors
How do you get the magnitude of a vector in Numpy?
Python
Numpy
Python 3.x rounding behavior
Python
Python 3.x
Rounding
Print list without brackets in a single row
Python
List
Python Flask, how to set content type
Python
Flask
How do I catch a numpy warning like it's an exception (not just for testing)?
Python
Exception
Numpy
Warnings
Divide by-Zero
RuntimeError on windows trying python multiprocessing
Python
Windows
Multiprocessing
Drop all duplicate rows across multiple columns in Python Pandas
Python
Pandas
Duplicates
Drop Duplicates
Python - Extracting and Saving Video Frames
Python
Python 2.7
Opencv
Create a list with initial capacity in Python
Python
List
Dictionary
Initialization
Lists in ConfigParser
Python
Configparser
In Python, how do I indicate I'm overriding a method?
Python
Inheritance
Overriding
Self Documenting-Code
What exactly does the .join() method do?
Python
List
String
How can I break up this long line in Python?
Python
Formatting
Code Formatting
Calculating Pearson correlation and significance in Python
Python
Numpy
Statistics
Scipy
Check if a word is in a string in Python
Python
String
How to retrieve inserted id after inserting row in SQLite using Python?
Python
Sqlite
How do I raise the same Exception with a custom message in Python?
Python
Exception
Message
Usage of sys.stdout.flush() method
Python
Sys
Rename Pandas DataFrame Index
Python
Pandas
Dataframe
Rename
Get list of pandas dataframe columns based on data type
Python
Pandas
Dtype
What is the '@=' symbol for in Python?
Python
Python 3.x
Operators
Matrix Multiplication
Python 3.5
Why do you need explicitly have the "self" argument in a Python method?
Python
Oop
Methods
Self
Seeing escape characters when pressing the arrow keys in python shell
Python
Shell
Ssh
Arrow Keys
Which is better in python, del or delattr?
Python
Del
Automatic creation date for Django model form objects?
Python
Django
Django Models
How to add a string in a certain position?
Python
String
if A vs if A is not None:
Python
python pandas: apply a function with arguments to a series
Python
Pandas
Apply
How to remove frame from matplotlib (pyplot.figure vs matplotlib.figure ) (frameon=False Problematic in matplotlib)
Python
Matplotlib
AttributeError: 'datetime' module has no attribute 'strptime'
Python
Class
Python 2.7
JSON to pandas DataFrame
Python
Json
Google Maps
Pandas
How to add a new row to an empty numpy array
Python
Numpy
Scipy
What are Flask Blueprints, exactly?
Python
Flask
Wsgi
Bulk package updates using Conda
Python
Anaconda
Conda
TypeError: a bytes-like object is required, not 'str' in python and CSV
Python
Python 3.x
Csv
Beautifulsoup
Html Table
"RuntimeError: Make sure the Graphviz executables are on your system's path" after installing Graphviz 2.38
Python
Installation
Graphviz
How to get current available GPUs in tensorflow?
Python
Gpu
Tensorflow
How to get the python.exe location programmatically?
Python
Python non-greedy regexes
Python
Regex
Regex Greedy
has_next in Python iterators?
Python
Iterator
How can I time a code segment for testing performance with Pythons timeit?
Python
Testing
Timeit
Database Tuning
What's a correct and good way to implement __hash__()?
Python
Hashtable
Hashcode
Dictionary
Django: "projects" vs "apps"
Python
Django
Namespaces
Project Organization
Iterate over object attributes in python
Python
Oop
Attributes
Iteration
What is the inverse function of zip in python?
Python
List
Numpy
Tuples
Python 'If not' syntax
Python
Python 2.7
ImportError: No module named matplotlib.pyplot
Python
Matplotlib
Turn Pandas Multi-Index into column
Python
Pandas
Dataframe
Flatten
Multi Index
How to replace NaNs by preceding or next values in pandas DataFrame?
Python
Python 3.x
Pandas
Dataframe
Nan
How can I find the number of arguments of a Python function?
Python
Function
How to keep a Python script output window open?
Python
Windows
Removing all non-numeric characters from string in Python
Python
Numbers
Downloading a picture via urllib and python
Python
Urllib2
Urllib
How to increment a datetime by one day?
Python
Datetime
Trying to mock datetime.date.today(), but not working
Python
Testing
Datetime
Mocking
Display a decimal in scientific notation
Python
String Formatting
Number Formatting
Scientific Notation
Extract a part of the filepath (a directory) in Python
Python
Directory
Filepath
Using os.walk() to recursively traverse directories in Python
Python
os.walk
Python UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
Python
Python 2.7
Datetime
Timestamp
Iso8601
How can I one hot encode in Python?
Python
Pandas
Machine Learning
One Hot-Encoding
Iterate a list with indexes in Python
Python
List
SFTP in Python? (platform independent)
Python
Sftp
How to make a Python script run like a service or daemon in Linux
Python
Linux
Scripting
Daemons
Django - How to rename a model field using South?
Python
Django
Django Models
Django South
Numpy - add row to array
Python
Arrays
Numpy
Rows
Running a specific test case in Django when your app has a tests directory
Python
Django
Unit Testing
How do I use method overloading in Python?
Python
Class
Overloading
How to use pip with Python 3.x alongside Python 2.x
Python
Python 3.x
Python 2.7
Pip
Specifying and saving a figure with exact size in pixels
Python
Matplotlib
Scipy
What's the purpose of "send" function on Python generators?
Python
Generator
python dataframe pandas drop column using int
Python
Pandas
Dataframe
How to embed HTML into IPython output?
Python
Html
Ipython
Jupyter Notebook
Plotting a 2D heatmap with Matplotlib
Python
Numpy
Matplotlib
Type hint for a file or file-like object?
Python
Type Hinting
Anaconda export Environment file
Python
Python 3.x
Anaconda
Conda
How can I quantify difference between two images?
Python
Image Processing
Background Subtraction
Image Comparison
Timelapse
How can I use a DLL file from Python?
Python
Dll
How to dynamically load a Python class
Python
Reflection
Python Import
How can I access "static" class variables within methods in Python?
Python
Oop
Static Variables
Is there a decorator to simply cache function return values?
Python
Caching
Decorator
Memoization
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
Python
Machine Learning
Cluster Analysis
K Means
Scikit Learn
How to remove convexity defects in a Sudoku square?
Python
Opencv
Computer Vision
Sudoku
Python pip install fails: invalid command egg_info
Python
Pip
How to divide flask app into multiple py files?
Python
Flask
Multiple aggregations of the same column using pandas GroupBy.agg()
Python
Pandas
Dataframe
Aggregate
Pandas Groupby
Is there a way to use PhantomJS in Python?
Python
Phantomjs
How to read a text file into a list or an array with Python
Python
Arrays
List
Text
How do I use installed packages in PyCharm?
Python
Pycharm
Gnuradio
pandas: multiple conditions while indexing data frame - unexpected behavior
Python
Pandas
Boolean Logic
How to choose an AWS profile when using boto3 to connect to CloudFront
Python
Amazon Web-Services
Boto3
Amazon Iam
Amazon Cloudfront
What is a good practice to check if an environmental variable exists or not?
Python
Python 2.7
Python 3.x
If Statement
Environment Variables
Keras, How to get the output of each layer?
Python
Tensorflow
Deep Learning
Keras
How to access a dictionary element in a Django template?
Python
Django
Django Templates
Python memory leaks
Python
Debugging
Memory Management
Memory Leaks
How do I get IntelliJ to recognize common Python modules?
Python
Intellij Idea
reducing number of plot ticks
Python
Matplotlib
Why does Pycharm's inspector complain about "d = {}"?
Python
Pycharm
Identifying the dependency relationship for python packages installed with pip
Python
Pip
Difference between exit(0) and exit(1) in Python
Python
Exit Code
python capitalize first letter only
Python
Capitalize
Letter
What does the "-U" option stand for in pip install -U
Python
Command Line
Pip
Calling class staticmethod within the class body?
Python
Decorator
Static Methods
What is sys.maxint in Python 3?
Python
Python 3.x
Numpy: Get random set of rows from 2D array
Python
Numpy
Difference between except: and except Exception as e:
Python
Python 3.x
Getting list of lists into pandas DataFrame
Python
Pandas
Datanitro
pandas loc vs. iloc vs. at vs. iat?
Python
Pandas
Performance
Indexing
Lookup
How to limit the maximum value of a numeric field in a Django model?
Python
Django
Django Models
Django Validation
Pythonic way to return list of every nth item in a larger list
List
Python
python: Change the scripts working directory to the script's own directory
Python
Working Directory
How to split a dos path into its components in Python
Python
How to reliably open a file in the same directory as the currently running script
Python
Directory
How to merge a transparent png image with another image using PIL
Python
Image
Image Processing
Python Imaging-Library
What's the difference between subprocess Popen and call (how can I use them)?
Python
Subprocess
Popen
How to get first element in a list of tuples?
Python
List
Having options in argparse with a dash
Python
Argparse
Efficient way to apply multiple filters to pandas DataFrame or Series
Python
Pandas
Algorithm
Filter
How to do a recursive sub-folder search and return files in a list?
Python
List
Recursion
os.walk
Concurrent.futures vs Multiprocessing in Python 3
Python
Python 3.x
Multiprocessing
Are list-comprehensions and functional functions faster than "for loops"?
Python
Performance
For Loop
List Comprehension
Map Function
Plotting in a non-blocking way with Matplotlib
Python
Matplotlib
Plot
"Cloning" row or column vectors
Python
Numpy
Linear Algebra
Installing SciPy with pip
Python
Installation
Scipy
Pip
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
Python
Numpy
Scipy
Curve Fitting
Linear Regression
What is the maximum float in Python?
Python
Int
Long Integer
Max
How is set() implemented?
Python
Data Structures
Set
Cpython
How to assert two list contain the same elements in Python?
Python
Unit Testing
When should Flask.g be used?
Python
Flask
Python add item to the tuple
Python
Tuples
pandas resample documentation
Python
Documentation
Pandas
How to join two sets in one line without using "|"
Python
Set
Python "SyntaxError: Non-ASCII character '\xe2' in file"
Python
What is the relationship between virtualenv and pyenv?
Python
Virtualenv
Virtualenvwrapper
Pyenv
"OSError: [Errno 1] Operation not permitted" when installing Scrapy in OSX 10.11 (El Capitan) (System Integrity Protection)
Python
Macos
Python 2.7
Scrapy
SQLAlchemy: engine, connection and session difference
Python
Session
Orm
Sqlalchemy
Psycopg2
anaconda update all possible packages?
Python
Anaconda
Pylint "unresolved import" error in Visual Studio Code
Python
Django
Visual Studio-Code
Pylint
Accessing Object Memory Address
Python
Object
Memory Address
Repr
argparse module How to add option without any argument?
Python
Argparse
hexadecimal string to byte array in python
Python
Bytearray
How to update SQLAlchemy row entry?
Python
Sqlalchemy
Flask Sqlalchemy
Python Request Post with param data
Python
Httprequest
Python Requests
Http Status-Codes
Is there a 'foreach' function in Python 3?
Python
Python 3.x
Foreach
Find element's index in pandas Series
Python
Pandas
Iterating through directories with Python
Python
Directory
Find column whose name contains a specific string
Python
Python 3.x
String
Pandas
Dataframe
Could not install packages due to an EnvironmentError: [Errno 13]
Python
Macos
Pip
How to modify a text file?
Python
File
Text
Python: finding an element in a list
Python
List
How to remove all characters after a specific character in python?
Python
Replace
How can I filter a date of a DateTimeField in Django?
Python
Django
Datetime
Filter
Django Queryset
How to search for a string in text files?
Python
How to execute multi-line statements within Python's own debugger (PDB)
Python
Debugging
Multiline
Pdb
psycopg2: insert multiple rows with one query
Python
Postgresql
Psycopg2
How to change the name of a Django app?
Python
Django
How can I use if/else in a dictionary comprehension?
Python
Dictionary
Dictionary Comprehension
How can I return two values from a function in Python?
Python
List
Function
Return
Return Value
How to create key or append an element to key?
Python
Dictionary
Python data structure sort list alphabetically
Python
List
Sorting
Alphabetical
Can pandas automatically read dates from a CSV file?
Python
Date
Types
Dataframe
Pandas
How to change default Anaconda python environment
Python
Anaconda
Conda
Convert columns into rows with Pandas
Python
Pandas
Import local function from a module housed in another directory with relative imports in Jupyter Notebook using Python 3
Python
Jupyter Notebook
Relative Import
Splitting a list into N parts of approximately equal length
Python
List
Chunks
Call int() function on every list element?
Python
List
Type Conversion
Integer
Convert a python 'type' object to a string
Python
Reflection
Django CSRF check failing with an Ajax POST request
Python
Ajax
Django
Csrf
How to implement an ordered, default dict?
Python
Dictionary
What is the proper way to format a multi-line dict in Python?
Python
Indentation
Code Formatting
Multiline
Find where python is installed (if it isn't default dir)
Python
Extracting specific columns in numpy array
Python
Syntax
Numpy
Difference between two dates in Python
Python
Date
Setting different color for each series in scatter plot on matplotlib
Python
Matplotlib
Scatter Plot
Python - json without whitespaces
Python
Json
Serialization
Convert to binary and keep leading zeros
Python
Binary
Formatting
Bitwise Operators
How to save a dictionary to a file?
Python
File
Dictionary
Python 3.x
Why does PyCharm propose to change method to static?
Python
Pycharm
Static Methods
Label axes on Seaborn Barplot
Python
Matplotlib
Seaborn
Random number between 0 and 1 in python
Python
Random
Django model "doesn't declare an explicit app_label"
Python
Django
Python 3.x
'Conda' is not recognized as internal or external command
Python
Anaconda
Conda
Data Science
Converting XML to JSON using Python?
Python
Json
Xml
Converter
Define css class in django Forms
Python
Django
Django Forms
How do I override __getattr__ in Python without breaking the default behavior?
Python
Getattr
Getproperty
What to put in a python module docstring?
Python
Documentation
Module
How to erase the file contents of text file in Python?
Python
How to enumerate a range of numbers starting at 1
Python
How can I replace (or strip) an extension from a filename in Python?
Python
Filenames
Scons
Strip
How can you dynamically create variables?
Python
Variables
Retrieving parameters from a URL
Python
Django
Parsing
Url
Python: Fetch first 10 results from a list
Python
NumPy or Pandas: Keeping array type as integer while having a NaN value
Python
Numpy
Int
Pandas
Type Conversion
Correct way to pause a Python program
Python
Sleep
How do I concatenate text files in Python?
Python
File Io
Concatenation
How to print a groupby object
Python
Pandas
Getting value of enum on string conversion
Python
Python 3.x
Enums
Python 3.4
Find the unique values in a column and then sort them
Python
Pandas
Sorting
Dataframe
Unique
collapse cell in jupyter notebook
Python
Ipython
Ipython Notebook
Jupyter
Python void return type annotation
Python
Annotations
Void
Type Hinting
Python Typing
How to initialize weights in PyTorch?
Python
Machine Learning
Deep Learning
Neural Network
Pytorch
How do I know if a generator is empty from the start?
Python
Generator
Building a minimal plugin architecture in Python
Python
Architecture
Plugins
Asynchronous method call in Python?
Python
Asynchronous
Python Asyncio
Coroutine
How to refer to relative paths of resources when working with a code repository
Python
Path
Relative Path
python: SyntaxError: EOL while scanning string literal
Python
String
String Literals
How to resize an image with OpenCV2.0 and Python2.6
Python
Image
Image Processing
Resize
Opencv
Shell Script: Execute a python program from within a shell script
Python
Shell
Python glob multiple filetypes
Python
Glob
Immutable vs Mutable types
Python
Types
Immutability
Mutable
Django optional url parameters
Python
Django
Django Views
Django Urls
What do ellipsis [...] mean in a list?
Python
Python 2.7
Python 3.x
List
Ellipsis
datetime dtypes in pandas read_csv
Python
Csv
Datetime
Pandas
Dataframe
How can I plot separate Pandas DataFrames as subplots?
Python
Matplotlib
Pandas
How to upload file with python requests?
Python
File
File Upload
Python Requests
pandas dataframe columns scaling with sklearn
Python
Pandas
Scikit Learn
Dataframe
Open S3 object as a string with Boto3
Python
Amazon S3
Boto
Boto3
Ordering of batch normalization and dropout?
Python
Neural Network
Tensorflow
Conv Neural-Network
Extract part of a regex match
Python
Html
Regex
Html Content-Extraction
Creating a dictionary from a csv file?
Python
Csv
Dictionary
List Comprehension
Suppress Scientific Notation in Numpy When Creating Array From Nested List
Python
Numpy
Number Formatting
Scientific Notation
How to do multiple arguments to map function where one remains the same in python?
Python
Python memory usage of numpy arrays
Python
Numpy
Sys
Django self-referential foreign key
Python
Django
Django Orm
How can I scroll a web page using selenium webdriver in python?
Python
Selenium
Selenium Webdriver
Automated Tests
Python if not == vs if !=
Python
If Statement
Equality
What is "pkg-resources==0.0.0" in output of pip freeze command
Python
Python 3.x
Pip
Ubuntu 16.04
Get MD5 hash of big files in Python
Python
Md5
Hashlib
How can I get the domain name of my site within a Django template?
Python
Django
Django Templates
How to find all positions of the maximum value in a list?
Python
List
Indexing
Max
Generate random numbers with a given (numerical) distribution
Python
Module
Random
Hashing a dictionary?
Python
Hash
Dictionary
How to check if an object is a generator object in python?
Python
Generator
Don't understand why UnboundLocalError occurs (closure)
Python
Scope
Closures
Global Variables
How to load a tsv file into a Pandas DataFrame?
Python
Pandas
Csv
What are the differences between Pandas and NumPy+SciPy in Python?
Python
Numpy
Scipy
Pandas
check if variable is dataframe
Python
Pandas
Read specific columns from a csv file with csv module?
Python
Csv
Ignoring NaNs with str.contains
Python
Pandas
Pandas read_csv from url
Python
Csv
Pandas
Request
A column-vector y was passed when a 1d array was expected
Python
Pandas
Numpy
Scikit Learn
How to know which Python is running in Jupyter notebook?
Python
Anaconda
Jupyter Notebook
Jupyter
tqdm in Jupyter Notebook prints new progress bars repeatedly
Python
Jupyter Notebook
Tqdm
Python Pandas - Find difference between two data frames
Python
Pandas
Dataframe
Binary search (bisection) in Python
Python
Binary Search
Bisection
How to compare type of an object in Python?
Python
Types
Compare
How can I improve my paw detection?
Python
Image Processing
Find the division remainder of a number
Python
Integer Division
Negation in Python
Python
Negation
Finding the source code for built-in Python functions?
Python
Python Internals
Encrypt & Decrypt using PyCrypto AES 256
Python
Encryption
Padding
Pycrypto
Initialization Vector
Add missing dates to pandas dataframe
Python
Date
Plot
Pandas
Dataframe
Python json.loads shows ValueError: Extra data
Python
Json
How do I upgrade the Python installation in Windows 10?
Python
Python 3.x
How to suppress scientific notation when printing float values?
Python
Floating Point
What does %s mean in a Python format string?
Python
String Formatting
Log exception with traceback in python
Python
Exception
Logging
Error Handling
How do I turn a python datetime into a string, with readable format date?
Python
Datetime
String Formatting
Iterate over model instance field names and values in template
Python
Django
Django Templates
Age from birthdate in python
Python
How to access the local Django webserver from outside world
Python
Django
Sphinx autodoc is not automatic enough
Python
Python Sphinx
Autodoc
How to calculate a logistic sigmoid function in Python?
Python
Sigmoid
Convert Python program to C/C++ code?
C++
Python
C
Code Generation
How to list imported modules?
Python
Hash Map in Python
Python
Hashmap
What's the difference between lists enclosed by square brackets and parentheses in Python?
Python
List
Tuples
Requests -- how to tell if you're getting a 404
Python
Python Requests
Numpy first occurrence of value greater than existing value
Python
Numpy
Sound alarm when code finishes
Python
Alarm
Audio
How to flatten only some dimensions of a numpy array
Python
Numpy
Flatten
Instance attribute attribute_name defined outside __init__
Python
Constructor
Pylint
How to test if a string contains one of the substrings in a list, in pandas?
Python
String
Pandas
Dataframe
Match
Where do I call the BatchNormalization function in Keras?
Python
Keras
Neural Network
Data Science
Batch Normalization
How can I disable logging while running unit tests in Python Django?
Python
Django
Unit Testing
Logging
django import error - No module named core.management
Python
Django
Python Import
Pythonpath
Are lists thread-safe?
Python
Multithreading
List
Python 3.x
Python Multithreading
What's the difference between a Python "property" and "attribute"?
Python
How to efficiently compare two unordered lists (not sets) in Python?
Python
Algorithm
List
Comparison
How to document a method with parameter(s)?
Python
Documentation
Documentation Generation
'str' object does not support item assignment
Python
String
In Python, using argparse, allow only positive integers
Python
Argparse
How to sort the letters in a string alphabetically in Python
Python
String
How do I get the different parts of a Flask request's url?
Python
Url
Flask
add a string prefix to each value in a string column using Pandas
Python
String
Pandas
Dataframe
How to sort Counter by value? - python
Python
Sorting
Collections
Counter
random.seed(): What does it do?
Python
Random
Random Seed
Python to print out status bar and percentage
Python
How to get the seconds since epoch from the time + date output of gmtime()?
Python
Datetime
Time
Python in Xcode 4+?
Python
Xcode
Xcode7
It is more efficient to use if-return-return or if-else-return?
Python
C
Performance
Compiler Construction
Why can tuples contain mutable items?
Python
List
Tuples
Immutability
Python Internals
How do I get a list of column names from a psycopg2 cursor?
Python
Psycopg2
How to condense if/else into one line in Python?
Python
How to write bytes to file?
Python
How to use newline '\n' in f-string to format output in Python 3.6?
Python
Python 3.x
Newline
Python 3.6
F String
Counting unique values in a column in pandas dataframe like in Qlik?
Python
Pandas
Numpy
Qlikview
Qliksense
DeprecationWarning: invalid escape sequence - what to use instead of \d?
Python
Regex
Python 3.x
How do I build a numpy array from a generator?
Python
Numpy
Generator
Python: List vs Dict for look up table
Python
Performance
Split list into smaller lists (split in half)
Python
List
Split
Plotting time in Python with Matplotlib
Python
Graph
Plot
Matplotlib
How to comment out a block of Python code in Vim
Python
Vim
Editor
Why is early return slower than else?
Python
Optimization
Python 2.7
`elif` in list comprehension conditionals
Python
List Comprehension
Conditional Operator
What is the difference between pylab and pyplot?
Python
Matplotlib
Plot
type object 'datetime.datetime' has no attribute 'datetime'
Python
Datetime
Namespaces
Importing variables from another file?
Python
File
Variables
Import
Replacing column values in a pandas DataFrame
Python
Pandas
Pandas DataFrame column to list
Python
Pandas
Pandas: sum DataFrame rows for given columns
Python
Pandas
Dataframe
Sum
PyCharm error: 'No Module' when trying to import own module (python script)
Python
Module
Pycharm
How to add title to seaborn boxplot
Python
Pandas
Matplotlib
Seaborn
Beautiful Soup and extracting a div and its contents by ID
Python
Beautifulsoup
APT command line interface-like yes/no input?
Python
Multiprocessing: How to use Pool.map on a function defined in a class?
Python
Multiprocessing
Pickle
Lambda function in list comprehensions
Python
How to sort mongodb with pymongo
Python
Mongodb
Pymongo
Asynchronous Requests with Python requests
Python
Asynchronous
Python Requests
Httprequest
Unable to import a module that is definitely installed
Python
Mechanize
Python Module
How to form tuple column from two columns in Pandas
Python
Dataframe
Pandas
Tuples
How to set the timezone in Django?
Python
Python 3.x
Django
Timezone
Utc
numpy max vs amax vs maximum
Python
Numpy
Math
Max
Get last n lines of a file, similar to tail
Python
File
File Io
Tail
Logfile
What is the reason for performing a double fork when creating a daemon?
Python
Unix
Daemon
How to normalize a NumPy array to within a certain range?
Python
Arrays
Numpy
Scipy
Convenience Methods
In Python how should I test if a variable is None, True or False
Python
What would a "frozen dict" be?
Python
Dictionary
Data Structures
Immutability
How do I merge a list of dicts into a single dict?
Python
List
Dictionary
How to update a plot in matplotlib
Python
Matplotlib
Tkinter
How to get a random value from dictionary?
Python
Random
Dictionary
Key
How to create abstract properties in python abstract classes
Python
Properties
Abstract Class
Decorator
Adding information to an exception?
Python
Exception
Pythonic way to find maximum value and its index in a list?
Python
How do you see the entire command history in interactive Python?
Python
Macos
matplotlib does not show my drawings although I call pyplot.show()
Python
Matplotlib
Tech Chat-Ml
How do you divide each element in a list by an int?
Python
Syntax behind sorted(key=lambda: ...)
Python
Sorting
Lambda
Custom Function
Setting Django up to use MySQL
Python
Mysql
Django
Debian
Right way to reverse a pandas DataFrame?
Python
Pandas
Reverse
Insert at first position of a list in Python
Python
List
Insert
Upgrade python packages from requirements.txt using pip command
Python
Pip
Packages
requirements.txt
How to delete a record by id in Flask-SQLAlchemy
Python
Flask
Sqlalchemy
Flask Sqlalchemy
pip installs packages successfully, but executables not found from command line
Python
Macos
Pip
Macports
In python, why does 0xbin() return False?
Python
How to read first N lines of a file?
Python
File
Head
Python Remove last 3 characters of a string
Python
String
Does SQLAlchemy have an equivalent of Django's get_or_create?
Python
Django
Sqlalchemy
Run certain code every n seconds
Python
Multithreading
Why is printing to stdout so slow? Can it be sped up?
Python
Linux
Printing
Stdout
Tty
argparse: identify which subparser was used
Python
Argparse
Changes in import statement python3
Python
Python 3.x
How do I count occurrence of unique values inside a list
Python
Arrays
Variables
Loops
Unique
Remove unwanted parts from strings in a column
Python
String
Pandas
Dataframe
Python extract pattern matches
Python
Regex
How to print a dictionary line by line in Python?
Python
Printing
Dictionary
Step-by-step debugging with IPython
Python
Debugging
Emacs
Ipython
Pdb
Should conda, or conda-forge be used for Python environments?
Python
Anaconda
Conda
How to get all of the immediate subdirectories in Python
Python
File
How to pull a random record using Django's ORM?
Python
Django
Django Models
Multiple levels of 'collection.defaultdict' in Python
Python
Dictionary
Nested
Reload django object from database
Python
Django
Django Models
How to display a float with two decimal places?
Python
String
Floating Point
Pandas convert dataframe to array of tuples
Python
Pandas
Union of dict objects in Python
Python
Dictionary
Associative Array
Idioms
Set Operations
Putting an if-elif-else statement on one line?
Python
If Statement
Syntax
"ImportError: No module named" when trying to run Python script
Python
Jupyter Notebook
Ipython
Jupyter
Importerror
django change default runserver port
Python
Django
Django manage.py
manage.py
Why can I not create a wheel in python?
Python
Pip
Setuptools
Python Wheel
How to get the latest file in a folder?
Python
Python 3.x
Python 2.7
ImportError: libGL.so.1: cannot open shared object file: No such file or directory
Python
Ubuntu 14.04
How do I tell matplotlib that I am done with a plot?
Python
Matplotlib
Plot
How do I create a datetime in Python from milliseconds?
Python
Datetime
Parse a .py file, read the AST, modify it, then write back the modified source code
Python
Compiler Construction
Abstract Syntax-Tree
How to loop through all but the last item of a list?
Python
List
For Loop
Python: most idiomatic way to convert None to empty string?
String
Python
Idioms
Resetting generator object in Python
Python
Generator
Yield
os.makedirs doesn't understand "~" in my path
Python
Linux
Path
Convert Unicode to ASCII without errors in Python
Python
Unicode
Utf 8
Character Encoding
Ascii
Python Threading String Arguments
Python
Multithreading
Creating a simple XML file using python
Python
Xml
Case insensitive 'in'
Python
String
List
Case Insensitive
How to delete a specific line in a file?
Python
File
Input
Does "\d" in regex mean a digit?
Python
Regex
Encoding
Gedit
How to save an image locally using Python whose URL address I already know?
Python
Web Scraping
Get protocol + host name from URL
Python
Django
How to access pandas groupby dataframe by key
Python
Pandas
Dataframe
Group By
Pandas Groupby
How to get UTC time in Python?
Python
Datetime
How to equalize the scales of x-axis and y-axis in matplotlib
Python
Matplotlib
Pass a parameter to a fixture function
Python
Fixtures
Pytest
what is the most efficient way of counting occurrences in pandas?
Python
Pandas
How to extract the decision rules from scikit-learn decision-tree?
Python
Machine Learning
Scikit Learn
Decision Tree
Random Forest
ipython notebook clear cell output in code
Python
Ipython
Ipython Notebook
Django migration strategy for renaming a model and relationship fields
Python
Django
Django Migrations
Convert a namedtuple into a dictionary
Python
Dictionary
Tuples
Namedtuple
How do you use the ellipsis slicing syntax in Python?
Python
Numpy
Subclass
Slice
Ellipsis
Counting array elements in Python
Python
Arrays
How to scp in Python?
Python
Ssh
Paramiko
Scp
List of tables, db schema, dump etc using the Python sqlite3 API
Python
Sqlite
Dump
Heavy usage of Python at Google
Python
Set Colorbar Range in matplotlib
Python
Matplotlib
Graph
Colorbar
Colormap
Generating matplotlib graphs without a running X server
Python
Matplotlib
How to read a (static) file from inside a Python package?
Python
File
Package
How to merge dictionaries of dictionaries?
Python
Dictionary
Merge
Array Merge
Where is a complete example of logging.config.dictConfig?
Python
Logging
Python Logging
python list by value not by reference
Python
List
Reference
Numpy where function multiple conditions
Python
Numpy
Why is the apt-get function not working in the terminal on Mac OS X v10.9 (Mavericks)?
Python
Macos
Terminal
Package Managers
How can I make sense of the `else` clause of Python loops?
Python
Loops
For Loop
While Loop
How do I abort the execution of a Python script?
Python
Syntax
Scripting
Exit
Locking a file in Python
Python
File Locking
Deleting multiple elements from a list
Python
List
In Python, how do I create a string of n characters in one line of code?
Python
String
Getting number of elements in an iterator in Python
Python
Iterator
TypeError: 'NoneType' object is not iterable in Python
Python
Nonetype
Rolling or sliding window iterator?
Python
Algorithm
Return HTTP status code 201 in flask
Python
Flask
Httpresponse
Why is semicolon allowed in this Python snippet?
Python
How to sort two lists (which reference each other) in the exact same way
Python
List
Sorting
Pretty Printing a pandas dataframe
Python
Pandas
Dataframe
Printing
ImportError: numpy.core.multiarray failed to import
Python
Python 2.7
Numpy
Opencv
getting the index of a row in a pandas apply function
Python
Pandas
Dataframe
What is `1..__truediv__` ? Does Python have a .. ("dot dot") notation syntax?
Python
Python 3.x
Syntax
Operators
Python 2.x
Pipenv: Command Not Found
Python
Python 3.x
Pip
Pipenv
How to unnest (explode) a column in a pandas DataFrame, into multiple rows
Python
Pandas
Dataframe
Pandas Explode
"Permission Denied" trying to run Python on Windows 10
Python
Python 3.x
Windows Store-Apps
File Permissions
Git Bash
Why is TensorFlow 2 much slower than TensorFlow 1?
Python
Tensorflow
Keras
Performance Testing
tensorflow2.0
What's a standard way to do a no-op in python?
Python
Where's my JSON data in my incoming Django request?
Python
Ajax
Json
Django
Content Type
How are booleans formatted in Strings in Python?
Python
Boolean
String Formatting
Getting one value from a tuple
Python
Tuples
Using multiple arguments for string formatting in Python (e.g., '%s ... %s')
Python
String
Syntax
How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?
Python
Matplotlib
Plot
Figure
What does a . in an import statement in Python mean?
Python
Module
AttributeError("'str' object has no attribute 'read'")
Python
Python 2.7
Urllib2
Attributeerror
"TypeError: (Integer) is not JSON serializable" when serializing JSON in Python?
Python
Json
Encoding
Typeerror
How to calculate rolling / moving average using python + NumPy / SciPy?
Python
Numpy
Time Series
Moving Average
Rolling Computation
Cosine Similarity between 2 Number Lists
Python
Cosine Similarity
How to activate an Anaconda environment
Python
Virtualenv
Anaconda
Conda
How do you catch this exception?
Python
Django
Exception
Pandas join issue: columns overlap but no suffix specified
Python
Join
Pandas
What does from __future__ import absolute_import actually do?
Python
Python 2.7
Python Import
Python 2.5
extract column value based on another column pandas dataframe
Python
Pandas
Dataframe
What is the meaning of "Failed building wheel for X" in pip install?
Python
Python 3.x
Pip
Python Wheel
Currency formatting in Python
Python
Formatting
Currency
On localhost, how do I pick a free port number?
Python
Sockets
Ipc
Port
Web scraping with Python
Python
Web Scraping
Screen Scraping
How to disable logging on the standard error stream?
Python
Logging
Console
Stdout
How do I configure PyCharm to run py.test tests?
Python
Pycharm
Pytest
Format output string, right alignment
Python
Alignment
String Formatting
csv.Error: iterator should return strings, not bytes
Python
Python 3.x
Csv
pythonw.exe or python.exe?
Python
Python 3.x
Converting a list to a set changes element order
Python
Set
How do I validate a date string format in python?
Python
Date
What are the differences between the threading and multiprocessing modules?
Python
Multithreading
Parallel Processing
Process
Multiprocessing
How to get the name of an exception that was caught in Python?
Python
Exception
How do I get Pylint to recognize NumPy members?
Python
Numpy
Pylint
Check if a value exists in pandas dataframe index
Python
Pandas
Ipython
Random state (Pseudo-random number) in Scikit learn
Python
Random
Scikit Learn
Format numbers in django templates
Python
Django
How do I write output in same place on the console?
Python
Console Output
Generate a random date between two other dates
Python
Datetime
Random
Any way to clear python's IDLE window?
Python
Python Idle
How to get a reference to a module inside the module itself?
Python
Self Reference
How can I account for period (AM/PM) using strftime?
Python
Datetime
Strptime
pythonic way to do something N times without an index variable?
Coding Style
For Loop
Python
Retrieve list of tasks in a queue in Celery
Python
Celery
How to JSON serialize sets?
Python
Json
Serialization
Set
python date of the previous month
Python
Date
Time
Cartesian product of x and y array points into single array of 2D points
Python
Numpy
Cartesian Product
Calling a class function inside of __init__
Python
Class
How to open every file in a folder
Python
File
Pipe
Stdout
Stdin
Nested defaultdict of defaultdict
Python
Recursion
Defaultdict
What do >> and << mean in Python?
Python
Syntax
Operator Keyword
How do I find numeric columns in Pandas?
Python
Types
Pandas
Difference between defining typing.Dict and dict?
Python
Dictionary
Type Hinting
Python Typing
How to change the datetime format in Pandas
Python
String
Pandas
Datetime
Strftime
VSCode -- how to set working directory for debug
Python
Visual Studio-Code
'id' is a bad variable name in Python
Python
Python Linked List
Python
Linked List
What is the pythonic way to avoid default parameters that are empty lists?
Python
Django: Redirect to previous page after login
Python
Django
How can I remove the top and right axis in matplotlib?
Python
Matplotlib
Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
Java
Python
Multithreading
Jvm
Gil
Read password from stdin
Python
Passwords
Prompt
Interactive
How can I get the version defined in setup.py (setuptools) in my package?
Python
Setuptools
How do I select elements of an array given condition?
Python
Numpy
Find and replace string values in list
Python
String
List
Why should we NOT use sys.setdefaultencoding("utf-8") in a py script?
Python
Encoding
Utf 8
Python 2.x
Sys
How do I add the contents of an iterable to a set?
Python
Set
Conventions
Iterable
How to properly use unit-testing's assertRaises() with NoneType objects?
Python
Unit Testing
Issue with virtualenv - cannot activate
Python
Virtualenv
setting an environment variable in virtualenv
Python
Heroku
Environment Variables
Virtualenv
How to remove multiple indexes from a list at the same time?
Python
List
How do you create nested dict in Python?
Python
Python 2.7
Dictionary
Mapping
Nested
How do I correctly setup and teardown for my pytest class with tests?
Python
Class
Object
Pytest
How to add a constant column in a Spark DataFrame?
Python
Apache Spark
Dataframe
Pyspark
Apache Spark-Sql
Tensorflow 2.0 - AttributeError: module 'tensorflow' has no attribute 'Session'
Python
Tensorflow
Keras
tensorflow2.0
How do you log server errors on django sites
Python
Django
Error Logging
What is the difference between encode/decode?
Python
String
Unicode
Character Encoding
Python 2.x
Using numpy to build an array of all combinations of two arrays
Python
Arrays
Numpy
Multidimensional Array
Cartesian Product
Why doesn't a python dict.update() return the object?
Python
Dictionary
Language Design
Language Features
Using 'try' vs. 'if' in Python
Python
decorators in the python standard lib (@deprecated specifically)
Python
Decorator
Deprecated
os.path.dirname(__file__) returns empty
Python
Example use of "continue" statement in Python?
Python
Continue
Looping over a list in Python
Python
List
How to keep index when using pandas merge
Python
Pandas
Counting the number of True Booleans in a Python List
Python
List
Boolean
Counting
Aligning rotated xticklabels with their respective xticks
Python
Matplotlib
Axis Labels
How to read a .xlsx file using the pandas Library in iPython?
Python
Pandas
Ipython
Ipython Notebook
Dataframe
Mock vs MagicMock
Python
Mocking
Return multiple columns from pandas apply()
Python
Pandas
Dataframe
Apply
How to avoid reinstalling packages when building Docker image for Python projects?
Python
Docker
Should I be adding the Django migration files in the .gitignore file?
Python
Django
Git
Format y axis as percent
Python
Pandas
Matplotlib
Plot
Type hints in namedtuple
Python
Type Hinting
Python Typing
Namedtuple
Python Dataclasses
"ssl module in Python is not available" when installing package with pip3
Python
Ssl
Pip
Python decorators in classes
Python
Class
Decorator
Self
What is the most efficient string concatenation method in Python?
Python
String
Returning the product of a list
Python
Why is "import *" bad?
Python
Python Import
Numpy matrix to array
Python
Arrays
Matrix
Numpy
How to round a number to significant figures in Python
Python
Math
Rounding
Significant Digits
How do you read a file into a list in Python?
Python
File
How to make lists contain only distinct element in Python?
Python
Reading and writing environment variables in Python?
Python
Environment Variables
range() for floats
Python
Range
Fractions
Decimal
How to expand a list to function arguments in Python
Python
Arguments
Python code to remove HTML tags from a string
Python
Html
Xml
String
Parsing
How many concurrent requests does a single Flask process receive?
Python
Flask
Wsgi
Gunicorn
How to suppress Pandas Future warning ?
Python
Pandas
Suppress Warnings
Future Warning
Basic http file downloading and saving to disk in python?
Python
File
Download
Save
error installing psycopg2, library not found for -lssl
Python
Postgresql
Psycopg2
Why is the empty dictionary a dangerous default value in Python?
Python
Optional Parameters
Pylint
Optional Arguments
Printing test execution times and pinning down slow tests with py.test
Python
Pytest
'dict' object has no attribute 'has_key'
Python
Python 3.x
Dictionary
How can I install Python's pip3 on my Mac?
Python
Python 3.x
Pip
numpy.where() detailed, step-by-step explanation / examples
Python
Numpy
Scipy
In Django, how does one filter a QuerySet with dynamic field lookups?
Python
Django
Django Models
How can I build multiple submit buttons django form?
Python
Django
Button
Django Forms
Submit
No module named _sqlite3
Python
Sqlite
Debian
Python Import
BaseException.message deprecated in Python 2.6
Python
Exception
Deprecated
Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
Python
Numpy
Slice
How do we determine the number of days for a given month in python
Python
Let JSON object accept bytes or let urlopen output strings
Python
Json
Python 3.x
Encoding
Urlopen
Bin size in Matplotlib (Histogram)
Python
Matplotlib
Histogram
Does Python SciPy need BLAS?
Python
Scipy
Is there something like RStudio for Python?
Python
Ide
Multiprocessing - Pipe vs Queue
Python
Performance
Queue
Multiprocessing
Pipe
Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
Python
Postgresql
Sqlalchemy
case-insensitive list sorting, without lowercasing the result?
Python
String
List
Sorting
Case Insensitive
How to check if variable is string with python 2 and 3 compatibility
Python
String
Python 3.x
Python 2.x
When to use Tornado, when to use Twisted / Cyclone / GEvent / other
Python
Webserver
Twisted
Tornado
Gevent
Is there a ceiling equivalent of // operator in Python?
Python
Python 3.x
Python Mocking a function from an imported module
Python
Unit Testing
Python Unittest
Python Mock
Best way to structure a tkinter application?
Python
Tkinter
Pandas every nth row
Python
Pandas
Resampling
How to delete the last row of data of a pandas dataframe
Python
Pandas
How do I know if I can disable SQLALCHEMY_TRACK_MODIFICATIONS?
Python
Flask
Sqlalchemy
Flask Sqlalchemy
anaconda/conda - install a specific package version
Python
Anaconda
How to uninstall Anaconda completely from macOS
Python
Macos
Anaconda
Uninstallation
requirements.txt vs setup.py
Python
setup.py
requirements.txt
Using Django time/date widgets in custom form
Python
Django
Why does Python pep-8 strongly recommend spaces over tabs for indentation?
Python
Indentation
Pep8
Get last result in interactive Python shell
Python
How to get item's position in a list?
Python
List
Python Infinity - Any caveats?
Python
Infinity
rreplace - How to replace the last occurrence of an expression in a string?
Python
String
Extracting an attribute value with beautifulsoup
Python
Parsing
Attributes
Beautifulsoup
Perform commands over ssh with Python
Python
Ssh
What does |= (ior) do in Python?
Python
Django Admin - Disable the 'Add' action for a specific model
Python
Django
Django Admin
Clear text from textarea with selenium
Python
Selenium
Selenium Webdriver
Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
Python
Math
How to mock an import
Python
Mocking
Python Import
Django: How to manage development and production settings?
Python
Django
Items in JSON object are out of order using "json.dumps"?
Python
Json
Flask SQLAlchemy query, specify column names
Python
Sqlalchemy
Flask Sqlalchemy
From ND to 1D arrays
Python
Numpy
Access nested dictionary items via a list of keys?
Python
List
Dictionary
pandas unique values multiple columns
Python
Pandas
Dataframe
Unique
Find the column name which has the maximum value for each row
Python
Pandas
Dataframe
Max
Google Colab: how to read data from my google drive?
Python
Google Colaboratory
Difference between dict.clear() and assigning {} in Python
Python
Dictionary
Ruby equivalent of virtualenv?
Python
Ruby
Virtualenv
How can I generate a unique ID in Python?
Python
Random
Unique Id
What is choice_set in this Django app tutorial?
Python
Django
Orm
Generate a random letter in Python
Python
Random
Python 3.x
How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples greater than lists?
Python
Types
Comparison
Python 2.x
Bulk insert with SQLAlchemy ORM
Python
Mysql
Database
Orm
Sqlalchemy
python tuple to dict
Python
Dictionary
Tuples
How to make a class property?
Python
Properties
Class Method
How to convert a string with comma-delimited items to a list in Python?
Python
String
List
Call a python function from jinja2
Python
Jinja2
How to display the current year in a Django template?
Python
Django
Matplotlib scatterplot; color as a function of a third variable
Python
Matplotlib
Plot
Scatter
Determine if 2 lists have the same elements, regardless of order?
Python
List
Equality
Python 2.x
Install a module using pip for specific python version
Python
Pip
Plot yerr/xerr as shaded region rather than error bars
Python
Matplotlib
Python Pandas merge only certain columns
Python
Merge
Pandas
How exactly do Django content types work?
Python
Django
setuptools vs. distutils: why is distutils still a thing?
Python
Packaging
Setuptools
Distutils
How to check if a path is absolute path or relative path in a cross-platform way with Python?
Python
Path
Define a lambda expression that raises an Exception
Python
Removing multiple keys from a dictionary safely
Python
Dictionary
Can't import my own modules in Python
Python
Import
Module
Package
Convert from ASCII string encoded in Hex to plain ASCII?
Python
Hex
Ascii
Seeking clarification on apparent contradictions regarding weakly typed languages
C#
Java
Python
Perl
Weakly Typed
Writing to an Excel spreadsheet
Python
Excel
Csv
When splitting an empty string in Python, why does split() return an empty list while split('\n') returns ['']?
Python
String
Algorithm
Parsing
Split
Drop columns whose name contains a specific string from pandas DataFrame
Python
Pandas
Dataframe
How could I use requests in asyncio?
Python
Python Requests
Python 3.4
Aiohttp
Flask raises TemplateNotFound error even though template file exists
Python
File
Templates
Flask
Insert a row to pandas dataframe
Python
Pandas
Dataframe
Insert
Combining conda environment.yml with pip requirements.txt
Python
Pip
Anaconda
Conda
OpenCV – Depth map from Uncalibrated Stereo System
Python
Opencv
Stereo 3d
Disparity Mapping
Django: Why do some model fields clash with each other?
Python
Django
Django Models
Can anyone explain python's relative imports?
Python
Find an element in a list of tuples
Python
List
Search
Tuples
Multiple ModelAdmins/views for same model in Django admin
Python
Django
Django Admin
How to get the nth element of a python list or a default if not available
Python
List
mongodb: insert if not exists
Python
Mongodb
Bulkinsert
Mongodb Query
Python list directory, subdirectory, and files
Python
File
Path
Convert decimal to binary in python
Python
Binary
Decimal
What is the fastest way to check if a class has a function defined?
Python
When to use %r instead of %s in Python?
Python
String
String Formatting
Fitting empirical distribution to theoretical ones with Scipy (Python)?
Python
Numpy
Statistics
Scipy
Distribution
Python set to list
Python
List
Set
How to validate a url in Python? (Malformed or not)
Python
Url
Malformedurlexception
Open file in a relative location in Python
Python
File
Path
Relative Path
One line if-condition-assignment
Python
If Statement
If list index exists, do X
Python
Python 2.7
Modifying a subset of rows in a pandas dataframe
Python
Pandas
How do I combine two dataframes?
Python
Pandas
Zip lists in Python
Python
Python 2.7
How do I include related model fields using Django Rest Framework?
Python
Django
Django Rest-Framework
TypeError: module.__init__() takes at most 2 arguments (3 given)
Python
Python 3.x
Inheritance
Typeerror
UnicodeEncodeError: 'charmap' codec can't encode - character maps to <undefined>, print function
Python
Encoding
Decode
Encode
Parsing XML with namespace in Python via 'ElementTree'
Python
Xml
Xml Parsing
Xml Namespaces
Elementtree
Remove a prefix from a string
Python
Excluding directories in os.walk
Python
Removing index column in pandas when reading a csv
Python
Pandas
How to do parallel programming in Python?
Python
Parallel Processing
No such file or directory "limits.h" when installing Pillow on Alpine Linux
Python
Linux
Python 2.7
Alpine
How can I share Jupyter notebooks with non-programmers?
Python
Jupyter Notebook
Jupyter
How to run Tensorflow on CPU
Python
Tensorflow
pip or pip3 to install packages for Python 3?
Python
Macos
Python 2.7
Python 3.x
Pip
How do I annotate types in a for-loop?
Python
For Loop
Pycharm
Type Hinting
Python Typing
Type hints with user defined classes
Python
Type Hinting
Python Typing
User Defined-Types
How to log source file name and line number in Python
Python
Logging
Is it ok to use dashes in Python files when trying to import them?
Python
Naming
How to check if a word is an English word with Python?
Python
Nltk
Wordnet
AttributeError: 'module' object has no attribute 'urlopen'
Python
Python 3.x
Urllib
In Django, how do I check if a user is in a certain group?
Python
Django
Django Authentication
How to get the size of a string in Python?
Python
String
String Length
Get list of all routes defined in the Flask app
Python
Flask
Why do I get "Pickle - EOFError: Ran out of input" reading an empty file?
Python
File
Pickle
In Python, how do I index a list with another list?
Python
List
Indexing
Parse date string and change format
Python
Convert int to ASCII and back in Python
Python
Integer
Ascii
Encode
Python mysqldb: Library not loaded: libmysqlclient.18.dylib
Python
Mysql Python
How to add an integer to each element in a list?
Python
Loops
Addition
Backporting Python 3 open(encoding="utf-8") to Python 2
Python
Python 2.7
Python 3.x
Accessing dict_keys element by index in Python3
Python
Dictionary
Python 3.x
Key
ImportError: No module named dateutil.parser
Python
Pandas
Pip
Concatenate strings from several rows using Pandas groupby
Python
Python 3.x
Pandas
Pandas Groupby
How to find a Python package's dependencies
Python
Pip
Why Python 3.6.1 throws AttributeError: module 'enum' has no attribute 'IntFlag'?
Python
Python 3.x
Enums
Python 3.6
Attributeerror
What do square brackets mean in pip install?
Python
Pip
Dependency Management
Class inheritance in Python 3.7 dataclasses
Python
Python 3.x
Python 3.7
Python Dataclasses
Can I install Python 3.x and 2.x on the same Windows computer?
Python
Windows
Python 3.x
Compatibility
Calculate difference in keys contained in two Python dictionaries
Python
Dictionary
Python Git Module experiences?
Python
Git
How do I create a dictionary with keys from a list and values defaulting to (say) zero?
Python
Dictionary
sys.argv[1] meaning in script
Python
High performance fuzzy string comparison in Python, use Levenshtein or difflib
Python
String Matching
Levenshtein Distance
Difflib
open read and close a file in 1 line of code
Python
Readfile
How to crop an image using PIL?
Python
Python Imaging-Library
Crop
How can I remove a pytz timezone from a datetime object?
Python
Timezone
Pytz
Pickle incompatibility of numpy arrays between Python 2 and 3
Python
Python 3.x
Pickle
How can I check if character in a string is a letter? (Python)
Python
String
Find
How to replace text in a string column of a Pandas dataframe?
Python
Replace
Pandas
Dataframe
Multiline f-string in Python
Python
String
Python 3.6
F String
Correct way to define Python source code encoding
Python
Encoding
Get fully qualified class name of an object in Python
Python
Python Datamodel
Saving and loading objects and using pickle
Python
Object
Pickle
Find indices of elements equal to zero in a NumPy array
Python
Numpy
What are dictionary view objects?
Python
View
Dictionary
Showing line numbers in IPython/Jupyter Notebooks
Python
Ipython
Jupyter
How to merge multiple lists into one list in python?
Python
List
Join
Merge
Print a string as hexadecimal bytes
Python
String
Hex
Ordinal Indicator
Adding a y-axis label to secondary y-axis in matplotlib
Python
Matplotlib
Python list iterator behavior and next(iterator)
Python
List
Iterator
Iteration
Filtering a list based on a list of booleans
Python
List
Numpy
What is the purpose of Flask's context stacks?
Python
Flask
Conditional Replace Pandas
Python
Pandas
Replace
Conditional Statements
Series
How to clear variables in ipython?
Python
Memory
Ipython
How to install 2 Anacondas (Python 2 and 3) on Mac OS
Python
Macos
Anaconda
Windows Scipy Install: No Lapack/Blas Resources Found
Python
Windows
Python 3.x
Numpy
Pip
Combine several images horizontally with Python
Python
Python 3.x
Python Imaging-Library
Python 2.x
Paste
Cannot switch Python with pyenv
Python
Pyenv
Fail during installation of Pillow (Python module) in Linux
Python
Linux
Pillow
How can I enable CORS on Django REST Framework
Python
Django
Cors
Django Rest-Framework
Middleware
"Fire and forget" python async/await
Python
Python 3.5
Python Asyncio
How can I convert a .py to .exe for Python?
Python
Python 3.x
Exe
Py2exe
Python 3.6
Not able to install Python packages [SSL: TLSV1_ALERT_PROTOCOL_VERSION]
Python
Python 2.7
Pip
Ssl Certificate
Unable to allocate array with shape and data type
Python
Numpy
Data Science
How to validate IP address in Python?
Python
Validation
Networking
Ip Address
Reloading module giving NameError: name 'reload' is not defined
Python
Python 3.x
How to enumerate an object's properties in Python?
Python
Reflection
Properties
Purpose of __repr__ method?
Python
Why aren't superclass __init__ methods automatically invoked?
Python
Inheritance
Subclass
Delegation
Superclass
Why doesn't django's model.save() call full_clean()?
Python
Django
Django Models
Django Validation
Non-alphanumeric list order from os.listdir()
Python
List
Directory Listing
Listdir
Failed loading english.pickle with nltk.data.load
Python
Jenkins
Nltk
How do you create different variable names while in a loop?
Python
Loops
Variables
Why do you need to create a cursor when querying a sqlite database?
Python
Sqlite
Database Cursor
How can I tell PyCharm what type a parameter is expected to be?
Python
Pycharm
Type Hinting
Python Typing
Code Completion
How to include package data with setuptools/distutils?
Python
Setuptools
Distutils
Django dynamic model fields
Python
Django
Dynamic
Django Models
Django Custom-Manager
Python's "in" set operator
Python
Combine Date and Time columns using python pandas
Python
Pandas
Datetime
Time Series
Save Dataframe to csv directly to s3 Python
Python
Csv
Amazon S3
Dataframe
Boto3
When should I (not) want to use pandas apply() in my code?
Python
Pandas
Performance
Apply
How to read the RGB value of a given pixel in Python?
Python
Graphics
Rgb
Pixel
What's a good rate limiting algorithm?
Python
Algorithm
Message Queue
Python unit test with base and sub class
Python
Unit Testing
Testing
NameError: name 'self' is not defined
Python
Nameerror
What's the difference between globals(), locals(), and vars()?
Python
Exiting from python Command Line
Python
Command Line-Interface
Convert floating point number to a certain precision, and then copy to string
Python
String
Floating Point
How to debug a Flask app
Python
Debugging
Flask
'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?
Python
Numpy
Bit Manipulation
Boolean Expression
Ampersand
how to check the dtype of a column in python pandas
Python
Pandas
Check if key exists and iterate the JSON array using Python
Python
Json
Loops
How to display the value of the bar on each bar with pyplot.barh()
Python
Matplotlib
Bar Chart
What is the difference between json.dump() and json.dumps() in python?
Python
Json
Python 2.7
What is Truthy and Falsy? How is it different from True and False?
Python
Boolean Expression
How to list only top level directories in Python?
Python
Filesystems
How do you get a directory listing sorted by creation date in python?
Python
Windows
Directory
Convert timedelta to years?
Python
Datetime
Timedelta
Is there a "do ... until" in Python?
Python
Loops
Split views.py in several files
Python
Django
Why doesn't print work in a lambda?
Python
Printing
Lambda
Python 2.x
Django. Override save for model
Python
Django
Django Models
Logging within pytest tests
Python
Logging
Pytest
Is nested function a good approach when required by only one function?
Python
Coding Style
Nested Function
How to change default Python version?
Python
Macos
How to send email via Django?
Python
Django
Email
Smtp
What is the most efficient way of finding all the factors of a number in Python?
Python
Algorithm
Python 2.7
Performance
Factorization
Python logging not outputting anything
Python
Logging
Cython: "fatal error: numpy/arrayobject.h: No such file or directory"
Python
Windows 7
Numpy
Cython
Select 50 items from list at random
Python
List
Select
Random
Find maximum value of a column and return the corresponding row values using Pandas
Python
Pandas
Dataframe
Max
Get Output From the logging Module in IPython Notebook
Python
Logging
Jupyter Notebook
Jupyter
Disable a method in a ViewSet, django-rest-framework
Python
Django
Django Views
Django Rest-Framework
python numpy ValueError: operands could not be broadcast together with shapes
Python
Numpy
How to turn off INFO logging in Spark?
Python
Scala
Apache Spark
Hadoop
Pyspark
How can I see function arguments in IPython Notebook Server 3?
Python
Jupyter Notebook
Jupyter
What is python's site-packages directory?
Python
Speed up millions of regex replacements in Python 3
Python
Regex
String
Performance
Replace
retrieve links from web page using python and BeautifulSoup
Python
Web Scraping
Hyperlink
Beautifulsoup
List all base classes in a hierarchy of given class?
Python
Class
Inheritance
Oop
Introspection
Remove characters except digits from string using Python?
Python
String
Conditional import of modules in Python
Python
Pythonic way to check if a list is sorted or not
Python
Algorithm
List
Sorting
How to break a line of chained methods in Python?
Python
Coding Style
Pep8
Renaming a virtualenv folder without breaking it
Python
Ubuntu
Virtualenv
Pip
Difference between Python datetime vs time modules
Python
Datetime
Time
Pretty-Print JSON Data to a File using Python
Python
Json
Twitter
Pretty Print
How to perform element-wise multiplication of two lists?
Python
List
Multiplication
Elementwise Operations
Replacing instances of a character in a string
Python
String
how to set "camera position" for 3d plots using python/matplotlib?
Python
Matplotlib
Mplot3d
Nohup is not writing log to output file
Python
Nohup
Python: json.loads returns items prefixing with 'u'
Python
Json
Compute a confidence interval from sample data
Python
Numpy
Scipy
Statistics
Confidence Interval
Convert unix time to readable date in pandas dataframe
Python
Pandas
Unix Timestamp
Dataframe
what is the difference between 'transform' and 'fit_transform' in sklearn
Python
Scikit Learn
What are the differences between Conda and Anaconda?
Python
Anaconda
Conda
How to copy a 2D array into a 3rd dimension, N times?
Python
Arrays
Numpy
When would the -e, --editable option be useful with pip install?
Python
Pip
Peak-finding algorithm for Python/SciPy
Python
Scipy
Fft
Hough Transform
MySQL "incorrect string value" error when save unicode string in Django
Python
Mysql
Django
Unicode
Utf 8
What's the difference between %s and %d in Python string formatting?
Python
String Formatting
String to Dictionary in Python
Python
String
Json
Facebook
Dictionary
Python style - line continuation with strings?
Python
Coding Style
Python __call__ special method practical example
Python
Methods
Call
Magic Methods
Flask-SQLalchemy update a row's information
Python
Sqlalchemy
Flask Sqlalchemy
How to len(generator())
Python
Generator
Getting attributes of a class
Python
Python 2.7
Class
Attributes
A tool to convert MATLAB code to Python
Python
Matlab
Numpy
Matplotlib
Scipy
Split string based on a regular expression
Python
Regex
Removing numbers from string
Python
String
Why wasn't PyPy included in standard Python?
Python
Pypy
When should iteritems() be used instead of items()?
Python
Python 3.x
Django DB Settings 'Improperly Configured' Error
Python
Django
What is the difference between os.path.basename() and os.path.dirname()?
Python
Extract first item of each sublist
Python
List
Nested
Django 1.7 throws django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet
Python
Django
How to enable CORS in flask
Jquery
Python
Heroku
Flask
Cors
How do I avoid the "self.x = x; self.y = y; self.z = z" pattern in __init__?
Python
Python Decorators
Namedtuple
Python Dataclasses
Python Attrs
Python - doctest vs. unittest
Python
Unit Testing
Comparison
Doctest
python design patterns
Python
Design Patterns
Python speed testing - Time Difference - milliseconds
Python
Datetime
Time
Time Measurement
What is the most efficient way to store a list in the Django models?
Python
Django
Django Models
Matplotlib: draw grid lines behind other graph elements
Python
Matplotlib
Grid
Python: Continuing to next iteration in outer loop
Python
Loops
Simple way to encode a string according to a password?
Python
Encryption
Passwords
filename and line number of Python script
Python
Debugging
File
Matplotlib transparent line plots
Python
Matplotlib
Using javadoc for Python documentation
Python
Documentation
Javadoc
Docstring
Is explicitly closing files important?
Python
File
Garbage Collection
ImportError: No Module Named bs4 (BeautifulSoup)
Python
Beautifulsoup
Flask
Importerror
Convert a 1D array to a 2D array in numpy
Python
Arrays
Matrix
Numpy
Multidimensional Array
Creating dataframe from a dictionary where entries have different lengths
Python
Pandas
How to show PIL Image in ipython notebook
Python
Ipython
Python Imaging-Library
Ipython Notebook
What does tf.nn.embedding_lookup function do?
Python
Tensorflow
Deep Learning
Word Embedding
Natural Language-Processing
Importing class from another file
Python
Python 3.x
Get total of Pandas column
Python
Pandas
Dataframe
Sum
How to escape curly-brackets in f-strings?
Python
Python 3.x
Curly Braces
F String
How to make Firefox headless programmatically in Selenium with Python?
Python
Python 3.x
Selenium
Selenium Webdriver
Firefox Headless
Is it better to use path() or url() in urls.py for django 2.0?
Python
Django
Django Urls
How do I install opencv using pip?
Python
Opencv
Integrating Python Poetry with Docker
Python
Docker
Dockerfile
Python Poetry
How to calculate a mod b in Python?
Python
Why is using 'eval' a bad practice?
Python
Eval
What are good uses for Python3's "Function Annotations"?
Python
Function
Annotations
Python 3.x
How do I get monitor resolution in Python?
Python
Screen
Resolution
Check if value already exists within list of dictionaries?
Python
List
Dictionary
Converting list to *args when calling function
Python
List
Arguments
Function Call
How can I put multiple statements in one line?
Python
What is the EAFP principle in Python?
Python
How to save and load cookies using Python + Selenium WebDriver
Python
Python 2.7
Selenium
Webdriver
Allowing specific values for an Argparse argument
Python
Argparse
n-grams in python, four, five, six grams?
Python
String
Nltk
N Gram
How to estimate how much memory a Pandas' DataFrame will need?
Python
Pandas
Why is my Python App Engine app using the Translate API getting an error of ImportError: No module named apiclient.discovery?
Python
Google App-Engine
Google Translate
Google Api-Python-Client
Google Translation-Api
NameError: global name 'unicode' is not defined - in Python 3
Python
Unicode
Python 3.x
Nameerror
Bidi
TypeError: Cannot create a consistent method resolution order (MRO)
Python
Inheritance
Typeerror
Method Resolution-Order
Print very long string completely in pandas dataframe
Python
String
Pandas
Options
How do I add a new column to a Spark DataFrame (using PySpark)?
Python
Apache Spark
Dataframe
Pyspark
Apache Spark-Sql
TensorFlow, why was python the chosen language?
Python
C++
Machine Learning
Tensorflow
What's the difference between reshape and view in pytorch?
Python
Pytorch
How do I handle the window close event in Tkinter?
Python
Events
Tkinter
Window
Handling very large numbers in Python
Python
Optimization
Largenumber
Re-raise exception with a different type and message, preserving existing information
Python
Exception Handling
Polymorphism
How to avoid having class data shared among instances?
Python
Class
Forced naming of parameters in Python
Python
Function
Coding Style
Parameter Passing
initialize a numpy array
Python
Arrays
Numpy
Iterate a list as pair (current, next) in Python
Python
Adding a user to a group in django
Python
Django
Get relative path from comparing two absolute paths
Python
How do I convert a Django QuerySet into list of dicts?
Python
Django
Is there a builtin identity function in python?
Python
How do I run a Python script from C#?
C#
Python
.Net
Ironpython
python.net
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
Python
Django
Postgresql
Django Migrations
How to get the first column of a pandas DataFrame as a Series?
Python
Dataframe
Pandas
Series
How to capture stdout output from a Python function call?
Python
Stdout
Capture
Why can't non-default arguments follow default arguments?
Python
OSError: [Errno 2] No such file or directory while using python subprocess in Django
Python
Django
Subprocess
Python 3 integer division
Python
Python 3.x
Division
demystify Flask app.secret_key
Python
Flask
How do I release memory used by a pandas dataframe?
Python
Pandas
Memory
How to write a file or data to an S3 object using boto3
Python
Amazon Web-Services
Amazon S3
Boto
Boto3
How to solve SyntaxError on autogenerated manage.py?
Python
Syntax Error
Understand Python swapping: why is a, b = b, a not always equivalent to b, a = a, b?
Python
Python 3.x
List
Indexing
Swap
Send file using POST from a Python script
Python
Post
File Upload
Http Post
Python xml ElementTree from a string source?
Python
Xml
Cleanest and most Pythonic way to get tomorrow's date?
Python
Datetime
Date
Time
Replace values in list using Python
Python
List
Performance
Replace
Changing default encoding of Python?
Python
Encoding
Utf 8
Console
Test if lists share any items in python
List
Python
Intersection
How do I run a Python program in the Command Prompt in Windows 7?
Python
Windows 7
How to check if string input is a number?
Python
Input
Types
How can I manually generate a .pyc file from a .py file
Python
Find the most frequent number in a NumPy array
Python
Numpy
Add single element to array in numpy
Python
Arrays
Numpy
how to return index of a sorted list?
Python
Evenly distributing n points on a sphere
Python
Algorithm
Math
Geometry
Uniform
Accessing items in an collections.OrderedDict by index
Python
Collections
Dictionary
Python 3.x
Ordereddictionary
python multithreading wait till all threads finished
Python
Multithreading
Add SUM of values of two LISTS into new LIST
Python
List
Sum
scipy.misc module has no attribute imread?
Python
Installation
Scipy
Dependencies
Python Imaging-Library
Index all *except* one item in python
Python
List
Numpy
Indexing
How do I revert to a previous package in Anaconda?
Python
Anaconda
Conda
Efficiently sorting a numpy array in descending order?
Python
Arrays
Sorting
Numpy
Could pandas use column as index?
Python
Excel
Pandas
Using List/Tuple/etc. from typing vs directly referring type as list/tuple/etc
Python
Type Hinting
Python Typing
Proper way to create dynamic workflows in Airflow
Python
Workflow
Airflow
Numpy Resize/Rescale Image
Python
Image
Numpy
Scipy
Resize
Does 'finally' always execute in Python?
Python
Exception Handling
Try Catch-Finally
Finally
Python, Unicode, and the Windows console
Python
Unicode
How to convert a string of bytes into an int?
Python
Arrays
String
Can you define aliases for imported modules in Python?
Python
Module
Alias
Python Import
"Inner exception" (with traceback) in Python?
Python
Exception
Error Handling
append multiple values for one key in a dictionary
Python
Dictionary
Key Value
When should I use ugettext_lazy?
Python
Django
Translation
How to read and write INI file with Python3?
Python
Python 3.x
Ini
How can I extract the folder path from file path in Python?
Python
File
Path
Directory
Extract
How to convert a boolean array to an int array
Python
Integer
Boolean
Type Conversion
Scilab
Pandas DataFrame to List of Lists
Python
Pandas
Multiprocessing : use tqdm to display a progress bar
Python
Multiprocessing
Progress Bar
Tqdm
Use .corr to get the correlation between two columns
Python
Pandas
Correlation
Why do two identical lists have a different memory footprint?
Python
List
Memory Management
Python Internals
Convert Year/Month/Day to Day of Year in Python
Python
Datetime
How do I detect whether sys.stdout is attached to terminal or not?
Python
Console
Terminal
Python debugging tips
Python
Debugging
What is the difference between isinstance('aaa', basestring) and isinstance('aaa', str)?
Python
Python 2.x
Built in-Types
How to get numbers after decimal point?
Python
Floating Point
Decimal
In Python, how does one catch warnings as if they were exceptions?
Python
Exception
Exception Handling
Warnings
How to create an object for a Django model with a many to many field?
Python
Django
Django Models
Django Orm
What exactly is file.flush() doing?
Python
Io
Output Buffering
Fsync
Why were pandas merges in python faster than data.table merges in R in 2012?
Python
R
Join
data.table
Pandas
Assert a function/method was not called using Mock
Python
Unit Testing
Mocking
Python Mock
Python Matplotlib figure title overlaps axes label when using twiny
Python
Matplotlib
Title
Figure
What are all possible pos tags of NLTK?
Python
Nltk
adding directory to sys.path /PYTHONPATH
Python
Mechanize
Python Import
Pythonpath
Reading an Excel file in python using pandas
Python
Python 2.7
Pandas
Execution of Python code with -m option or not
Python
Module
Package
How to convert list of numpy arrays into single numpy array?
Python
List
Numpy
How to use Python requests to fake a browser visit a.k.a and generate User Agent?
Python
Web Scraping
Python Requests
Wget
User Agent
How do I install Python 3 on an AWS EC2 instance?
Python
Python 3.x
Amazon Web-Services
Amazon Ec2
How does tf.app.run() work?
Python
Python 3.x
Tensorflow
RuntimeWarning: numpy.dtype size changed, may indicate binary incompatibility
Python
Numpy
Scikit Learn
Why is x**4.0 faster than x**4 in Python 3?
Python
Performance
Python 3.x
Python 3.5
Python Internals
How to get the concrete class name as a string?
Python
How to remove the left part of a string?
Python
String
Call a function with argument list in python
Python
Function
Choosing Java vs Python on Google App Engine
Java
Python
Google App-Engine
Google Cloud-Platform
Google App-Engine-Python
How do I pick 2 random items from a Python set?
Python
Random
Can I use __init__.py to define global variables?
Python
Global Variables
Module
Packages
Init
Python's json module, converts int dictionary keys to strings
Python
Json
How to get the PATH environment-variable separator in Python?
Python
Operating System
Environment Variables
How to convert an array of strings to an array of floats in numpy?
Python
Numpy
Get selected subcommand with argparse
Python
Command Line
Argparse
Difference between subprocess.Popen and os.system
Python
Subprocess
System
Where does this come from: -*- coding: utf-8 -*-
Python
File
Text
Encoding
Emacs
How to change values in a tuple?
Python
Tuples
Python assigning multiple variables to same value? list behavior
Python
List
How to remove gaps between subplots in matplotlib
Python
Matplotlib
How to create a DataFrame of random integers with Pandas?
Python
Pandas
Dataframe
Size
Shapes
Difference between numpy dot() and Python 3.5+ matrix multiplication @
Python
Numpy
Matrix Multiplication
Python 3.5
Hiding a password in a python script (insecure obfuscation only)
Python
Security
Why does @foo.setter in Python not work for me?
Python
Decorator
New Style-Class
How to get all subsets of a set? (powerset)
Python
Set
Powerset
Find the nth occurrence of substring in a string
Python
String
Substring
Timeout function if it takes too long to finish
Python
Maven equivalent for python
Python
Deployment
Dependency Management
How to sort a list of strings numerically?
Python
Sorting
How can I see if there's an available and active network connection in Python?
Python
Networking
How to run functions in parallel?
Python
Multithreading
Multiprocessing
How to avoid circular imports in Python?
Python
Import
Circular Dependency
how to iterate through dictionary in a dictionary in django template?
Python
Django
Dictionary
Django Templates
Executing periodic actions
Python
Windows
Timer
How do I convert hex to decimal in Python?
Python
Hex
Decimal
How can I write data in YAML format in a file?
Python
Formatting
Yaml
Pyyaml
Python ElementTree module: How to ignore the namespace of XML files to locate matching element when using the method "find", "findall"
Python
Namespaces
Find
Elementtree
Findall
How do I find the length (or dimensions, size) of a numpy matrix in python?
Python
Matrix
Numpy
TypeError: 'dict_keys' object does not support indexing
Python
Python 3.x
Dictionary
Pip freeze vs. pip list
Python
Python 2.7
Python 3.x
Pip
Select Pandas rows based on list index
Python
Pandas
Change one value based on another value in pandas
Python
Pandas
Numpy: Divide each row by a vector element
Python
Arrays
Numpy
Scipy
How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONPATH?
Python
Unix
Enable access control on simple HTTP server
Python
Cors
Simplehttpserver
Understanding the main method of python
Python
Python 3.x
How does the class_weight parameter in scikit-learn work?
Python
Scikit Learn
Why does the floating-point value of 4*0.1 look nice in Python 3 but 3*0.1 doesn't?
Python
Floating Point
Rounding
Floating Accuracy
Ieee 754
Conda command is not recognized on Windows 10
Python
Python 3.x
Windows 10
Anaconda
Conda
Python + Django page redirect
Python
Django
Redirect
Location
Python string prints as [u'String']
Python
Unicode
Ascii
How to duplicate sys.stdout to a log file?
Python
Tee
Can I redirect the stdout into some sort of string buffer?
Python
Stream
Stdout
Redirect
Convert string in base64 to image and save on filesystem
Python
Image
Python: Using .format() on a Unicode-escaped string
Python
String
Unicode
Python 2.x
Choosing a file in Python with simple Dialog
Python
User Interface
Dialog
Filechooser
Plot smooth line with PyPlot
Python
Matplotlib
Plot
Smoothing
Find out time it took for a python script to complete execution
Python
Datetime
Execution Time
Change a Django form field to a hidden field
Python
Html
Django
Django Forms
Python ValueError: too many values to unpack
Python
How to duplicate virtualenv
Python
Django
Virtualenv
Installing SciPy and NumPy using pip
Python
Numpy
Scipy
Pip
Apt
Why are trailing commas allowed in a list?
Python
List
Syntax
Comma
Trailing
Why is the order in dictionaries and sets arbitrary?
Python
Dictionary
Set
Python Internals
Python pandas: fill a dataframe row by row
Python
Dataframe
Row
Pandas
How to customize a requirements.txt for multiple environments?
Python
Deployment
Heroku
requirements.txt
Why is Python 3.x's super() magic?
Python
Python 3.x
Super
How to convert 'false' to 0 and 'true' to 1?
Python
String
Integer
How do you check in python whether a string contains only numbers?
Python
String
Numbers
Application not picking up .css file (flask/python)
Python
Html
Css
Templates
Flask
Python: Convert timedelta to int in a dataframe
Python
Pandas
Timedelta
How to drop rows from pandas data frame that contains a particular string in a particular column?
Python
Pandas
How to save S3 object to a file using boto3
Python
Amazon Web-Services
Boto
Boto3
How to get element-wise matrix multiplication (Hadamard product) in numpy?
Python
Numpy
Matrix
Matrix Multiplication
Elementwise Operations
How to suppress py.test internal deprecation warnings
Python
Pytest
How to specify credentials when connecting to boto3 S3?
Python
Amazon Web-Services
Amazon S3
Boto3
PyTorch - What does contiguous() do?
Python
Memory
Pytorch
Contiguous
.filter() vs .get() for single object? (Django)
Python
Django
Django Models
Backend
Django Queryset
What's the easiest way to escape HTML in Python?
Python
Html
Deleting all files in a directory with Python
Python
File Io
How do I call setattr() on the current module?
Python
Module
Global Variables
Getattr
Setattr
How can I find the first occurrence of a sub-string in a python string?
Python
String
How to remove all of the data in a table using Django
Python
Django
Django Queryset
Return first N key:value pairs from dict
Python
Dictionary
Prepend a level to a pandas MultiIndex
Python
Pandas
Extracting double-digit months and days from a Python date
Python
Datetime
Iso
What is the difference between 'content' and 'text'
Python
Python Requests
What rules does Pandas use to generate a view vs a copy?
Python
Pandas
Dataframe
Indexing
Chained Assignment
What is the difference between json.dumps and json.load?
Python
Json
unique combinations of values in selected columns in pandas data frame and count
Python
Pandas
Display an image with Python
Python
Matplotlib
Ipython
Why are Python's arrays slow?
Python
Arrays
Performance
Boxing
Python Internals
Sleeping in a batch file
Python
Batch File
Django Passing Custom Form Parameters to Formset
Python
Django
Forms
Django Forms
Getting realtime output using subprocess
Python
Subprocess
How to convert an XML string to a dictionary?
Python
Xml
Json
Dictionary
Xml Deserialization
Python string class like StringBuilder in C#?
Python
String
How can I read a function's signature including default argument values?
Python
Arguments
Inspect
How to set timeout on python's socket recv method?
Python
Sockets
Timeout
Check list of words in another string
Python
List
Python group by
Python
Group By
What does preceding a string literal with "r" mean?
Python
String
Syntax
Literals
Rawstring
Modular multiplicative inverse function in Python
Python
Algorithm
How to print a string at a fixed width?
Python
Python 3.x
Python 2.7
Format
Can scrapy be used to scrape dynamic content from websites that are using AJAX?
Javascript
Python
Ajax
Screen Scraping
Scrapy
How do I create a list of random numbers without duplicates?
Python
Random
What is the 'pythonic' equivalent to the 'fold' function from functional programming?
Python
List
Functional Programming
Reduce
Fold
django-debug-toolbar not showing up
Python
Django
Django Debug-Toolbar
Using a string variable as a variable name
Python
Visibility of global variables in imported modules
Python
Namespaces
Mysql Python
Python 2.6
Python Import
Can't connect to local MySQL server through socket '/tmp/mysql.sock
Python
Mysql
Django
How to stop/terminate a python script from running?
Python
Execution
Terminate
Termination
glob exclude pattern
Python
Glob
Is there a way to delete created variables, functions, etc from the memory of the interpreter?
Python
Memory Management
Dir
How to "select distinct" across multiple data frame columns in pandas?
Python
Pandas
Dataframe
Duplicates
Distinct
Python update a key in dict if it doesn't exist
Python
Dictionary
certificate verify failed: unable to get local issuer certificate
Python
Python 3.x
Ssl
Openssl
Is there a better way to iterate over two lists, getting one element from each list for each iteration?
Python
List
Iteration
Add params to given URL in Python
Python
Url
How to change any data type into a string?
Python
Can iterators be reset in Python?
Python
Iterator
Generator
How do I initialize the base (super) class?
Python
Oop
How to check if all of the following items are in a list?
List
Python
Inclusion
How do I write a "tab" in Python?
Python
Tabs
How can I connect to MySQL in Python 3 on Windows?
Python
Mysql
Python 3.x
Function for factorial in Python
Python
More elegant way of declaring multiple variables at the same time
Python
Variables
Declaration
How to test the membership of multiple values in a list?
Python
Understanding repr( ) function in Python
Python
Repr
How do you check whether a number is divisible by another number?
Python
Integer
Modulo
Mocking a class: Mock() or patch()?
Python
Unit Testing
Mocking
How can you set class attributes from variable arguments (kwargs) in python
Python
How to save traceback / sys.exc_info() values in a variable?
Python
Python 2.7
Exception
Loop through all nested dictionary values?
Python
Dictionary
Recursion
Python AttributeError: 'module' object has no attribute 'Serial'
Python
Serial Port
Raspberry Pi
Conda: Installing / upgrading directly from github
Python
Github
Pip
Package Managers
Conda
Naming returned columns in Pandas aggregate function?
Python
Group By
Pandas
Aggregate Functions
How to detect key presses?
Python
Python 2.7
Keypress
Detect
Why use Python's os module methods instead of executing shell commands directly?
Python
Linux
Operating System
Making an API call in Python with an API that requires a bearer token
Python
Python 2.7
Curl
Ibm Cloud
Pycurl
Deploying a minimal flask app in docker - server connection issues
Python
Deployment
Flask
Docker
Dockerfile
What is the difference between the AWS boto and boto3
Python
Amazon Web-Services
Boto
Boto3
Times-two faster than bit-shift, for Python 3.x integers?
Python
Python 3.x
Performance
Bit Shift
Integer Arithmetic
Open document with default OS application in Python, both in Windows and Mac OS
Python
Windows
Macos
Coroutine vs Continuation vs Generator
Python
Generator
Coroutine
Continuations
What to do with "Unexpected indent" in python?
Python
Indentation
sqlalchemy flush() and get inserted id?
Python
Sqlalchemy
How to handle exceptions in a list comprehensions?
Python
Exception
List Comprehension
Disable individual Python unit tests temporarily
Python
Python Unittest
Removing duplicates from a list of lists
Python
Python: Ignore 'Incorrect padding' error when base64 decoding
Python
Base64
In Python, how do I read the exif data for an image?
Python
Image
Python Imaging-Library
Exif
How to convert a set to a list in python?
Python
List
Set
Python 2.6
Adding headers to requests module
Python
Http Headers
Python Requests
best way to preserve numpy arrays on disk
Python
Numpy
Pickle
Binary Data
Preserve
partial string formatting
Python
String Formatting
Should I use scipy.pi, numpy.pi, or math.pi?
Python
Numpy
Scipy
Pi
Insert an element at a specific index in a list and return the updated list
Python
Python 2.7
List
Insert
__init__ for unittest.TestCase
Python
Unit Testing
Python how to write to a binary file?
Python
Convert integer to string Jinja
Python
Jinja2
Nunjucks
Pelican 3.3 pelican-quickstart error "ValueError: unknown locale: UTF-8"
Python
Python 2.7
Pelican
matplotlib get ylim values
Python
Matplotlib
Plot
Datetime current year and month in Python
Python
Datetime
How to get a value from a Pandas DataFrame and not the index and object type
Python
Pandas
Dataframe
Python Logging - Disable logging from imported modules
Python
Logging
Remove multiple items from a Python list in just one statement
Python
List
List Comprehension
What is dtype('O'), in pandas?
Python
Pandas
Numpy
Dataframe
Types
Reading in environment variables from an environment file
Python
Docker
Binning a column with Python Pandas
Python
Pandas
Numpy
Dataframe
Binning
How do lexical closures work?
Python
Closures
Lazy Evaluation
Late Binding
Python Closures
What does "mro()" do?
Python
Method Resolution-Order
How to access outer class from an inner class?
Python
Scope
Nested
Inner Classes
How to create PDF files in Python
Python
Pdf
How can I get dict from sqlite query?
Python
Sql
Sqlite
Dictionary
Dataformat
How can I make setuptools install a package that's not on PyPI?
Python
Setuptools
Distutils
Pypi
Escape special characters in a Python string
Python
String
Escaping
Replace first occurrence of string in Python
Python
Regex
What exactly does += do?
Python
Operators
Compound Assignment
How to find children of nodes using BeautifulSoup
Python
Html
Beautifulsoup
Duplicate log output when using Python logging module
Python
Days between two dates?
Python
Date
Why does (1 in [1,0] == True) evaluate to False?
Python
Syntax
Operator Precedence
Class constants in python
Python
Constants
How to prevent errno 32 broken pipe?
Python
Broken Pipe
How to create a tuple with only one element
Python
How to list all installed packages and their versions in Python?
Python
Installation
Packages
Create Django model or update if exists
Python
Django
Django Models
Releasing memory in Python
Python
Memory Management
Remove all line breaks from a long string of text
Python
pandas: How do I split text in a column into multiple rows?
Python
Pandas
Dataframe
Sorting a set of values
Python
Numpy argsort - what is it doing?
Python
Numpy
Read a zipped file as a pandas DataFrame
Python
Zip
Pandas
cv2.imshow command doesn't work properly in opencv-python
Python
Opencv
Image Processing
Django: reverse accessors for foreign keys clashing
Python
Django
Appending a list or series to a pandas DataFrame as a row?
Python
Pandas
Append
Dataframe
How would I get everything before a : in a string Python
Python
Regex
String
Split
pip install: Please check the permissions and owner of that directory
Python
Pip
Sudo
Osx Yosemite
dropping rows from dataframe based on a "not in" condition
Python
Pandas
How to write the Fibonacci Sequence?
Python
Fibonacci
Sequences
Group by & count function in sqlalchemy
Python
Group By
Count
Sqlalchemy
Remove all values within one list from another list?
Python
List
How can I create a simple message box in Python?
Python
Wxpython
Tkinter
sprintf like functionality in Python
Python
String
How to overwrite the previous print to stdout in python?
Python
Python regular expressions return true/false
Python
Regex
multiprocessing: How do I share a dict among multiple processes?
Python
Dictionary
Multiprocessing
Shared Variable
Rotating a two-dimensional array in Python
Python
Multidimensional Array
Python: TypeError: cannot concatenate 'str' and 'int' objects
Python
String
Printing
Integer
Local (?) variable referenced before assignment
Python
Python 3.x
Python Requests and persistent sessions
Python
Python Requests
How do you do a simple "chmod +x" from within python?
Python
Chmod
How to source virtualenv activate in a Bash script
Python
Bash
Virtualenv
How to re-raise an exception in nested try/except blocks?
Python
Exception
Nested
Raise
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
Python
Python 2.7
Why are global variables evil?
Python
Global Variables
Side Effects
How can I add the sqlite3 module to Python?
Python
Sqlite
Pip
ImportError: No module named Crypto.Cipher
Python
Virtualenv
Pip
Easy Install
Pycrypto
How to write to an existing excel file without overwriting data (using pandas)?
Python
Excel
Python 2.7
Pandas
Python Pandas: How to read only first n rows of CSV files in?
Python
Pandas
Csv
File Io
Mocking a function to raise an Exception to test an except block
Python
Unit Testing
Python 2.7
Mocking
Python Mock
How to filter objects for count annotation in Django?
Python
Django
Django Models
Django Aggregation
How to get exception message in Python properly
Python
Exception
Exception Handling
How do I disable a test using pytest?
Python
Testing
Pytest
Python - TypeError: Object of type 'int64' is not JSON serializable
Python
Numpy
How to add conda environment to jupyter lab
Python
Anaconda
Jupyter Notebook
Jupyter Lab
How to decorate a class?
Python
Decorator
Python 2.5
How do I create a namespace package in Python?
Python
Namespaces
Package
How to read a file in reverse order?
Python
File
Reverse
Colon (:) in Python list index
Python
Find the index of a dict within a list, by matching the dict's value
Python
how to clear the screen in python
Python
Screen
How to correctly sort a string with a number inside?
Python
Regex
Sorting
String
How do I get the opposite (negation) of a Boolean in Python?
Python
Boolean
How to send cookies in a post request with the Python Requests library?
Python
Cookies
Http Request
Python Requests
How to convert SQL Query result to PANDAS Data Structure?
Python
Mysql
Data Structures
Pandas
Making heatmap from pandas DataFrame
Python
Pandas
Dataframe
Heatmap
How to stop flask application without using ctrl-c
Python
Flask
Flask Extensions
Converting dict to OrderedDict
Python
Ordereddictionary
How to export plots from matplotlib with transparent background?
Python
Matplotlib
Plot
Transparency
Convert row to column header for Pandas DataFrame,
Python
Pandas
Rename
Dataframe
hash function in Python 3.3 returns different results between sessions
Python
Security
Hash
Python 3.3
Hash Collision
Wheel file installation
Python
Installation
Python Wheel
Is it possible to type hint a lambda function?
Python
Lambda
Can I run Keras model on gpu?
Python
Tensorflow
Keras
Jupyter
What's the difference between Docker and Python virtualenv?
Python
Docker
Virtualenv
What does model.train() do in PyTorch?
Python
Pytorch
What does model.eval() do in pytorch?
Python
Machine Learning
Deep Learning
Pytorch
Pandas cannot open an Excel (.xlsx) file
Python
Excel
Pandas
Python loop counter in a for loop
Loops
For Loop
Python
Keyboard Interrupts with python's multiprocessing Pool
Python
Multiprocessing
Pool
Keyboardinterrupt
Python: Is it bad form to raise exceptions within __init__?
Python
Exception
Can I use `pip` instead of `easy_install` for `python setup.py install` dependency resolution?
Python
Easy Install
Pip
How to add a custom loglevel to Python's logging facility
Python
Logging
Python Logging
Should I use `import os.path` or `import os`?
Python
Coding Style
Python Import
Image library for Python 3
Python
Image
Python 3.x
Python Imaging-Library
Single vs double quotes in JSON
Python
Json
SQLAlchemy: cascade delete
Python
Database
Sqlalchemy
Python nested functions variable scoping
Python
Variables
Scope
pip broke. how to fix DistributionNotFound error?
Python
Pip
How to plot normal distribution
Python
Matplotlib
How do I write a Python dictionary to a csv file?
Python
Dictionary
How to print Unicode character in Python?
Python
Python Unicode
Get raw POST body in Python Flask regardless of Content-Type header
Python
Flask
Werkzeug
Problem HTTP error 403 in Python 3 Web Scraping
Python
Http
Web Scraping
Http Status-Code-403
How to exit pdb and allow program to continue?
Python
Pdb
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
Python
Pip
Anaconda
Env
Conda
"for loop" with two variables?
Python
For Loop
How to convert a dataframe to a dictionary
Python
Pandas
Dataframe
Dictionary
Python Pandas replace NaN in one column with value from corresponding row of second column
Python
Pandas
Dataframe
Nan
Fillna
TypeError: can't use a string pattern on a bytes-like object in re.findall()
Python
Python 3.x
Web Crawler
Python Pandas Replacing Header with Top Row
Python
Pandas
Header
Row
Why does using from __future__ import print_function breaks Python2-style print?
Python
Python 2.7
Loops
Vim
Python Import
How to set class attribute with await in __init__
Python
Python 3.x
Python Asyncio
How to read pickle file?
Python
Pickle
How to capture botocore's NoSuchKey exception?
Python
Botocore
What are the differences between feather and parquet?
Python
Pandas
Parquet
Feather
Pyarrow
pip: no module named _internal
Python
Pip
How can I install a previous version of Python 3 in macOS using homebrew?
Python
Macos
Homebrew
ValueError: numpy.ndarray size changed, may indicate binary incompatibility. Expected 88 from C header, got 80 from PyObject
Python
Pandas
Numpy
Scikit Learn
Python 3.7
py2exe - generate single executable file
Python
Packaging
Py2exe
How Python web frameworks, WSGI and CGI fit together
Python
Apache
Cgi
Wsgi
Length of generator output
Python
Generator
Iterable
How can I run an external command asynchronously from Python?
Python
Asynchronous
Subprocess
Scheduler
What's the common practice for enums in Python?
Python
Enums
Combining two lists and removing duplicates, without removing duplicates in original list
Python
List
Regular expression to return text between parenthesis
Python
Regex
Python 3.x
subtract two times in python
Python
Datetime
Timedelta
Is it possible to install another version of Python to Virtualenv?
Python
Virtualenv
How to remove specific element from an array using python
Python
Arrays
How do I disable "missing docstring" warnings at a file-level in Pylint?
Python
Pylint
Docstring
Running Selenium WebDriver python bindings in chrome
Python
Linux
Google Chrome
Selenium
Automated Tests
List directory tree structure in python?
Python
Traversal
Directory Structure
How can I pass data from Flask to JavaScript in a template?
Javascript
Python
Flask
Jinja2
How do I install PyCrypto on Windows?
Python
Windows
Python 2.7
Pycrypto
Concatenating string and integer in Python
Python
Concatenation
String Concatenation
Create a single executable from a Python project
Python
Compilation
Exe
Packaging
Software Distribution
How to remove leading and trailing zeros in a string? Python
Python
String
Trailing
Chomp
Leading Zero
Python Regex instantly replace groups
Python
Regex
Regex Group
GroupBy pandas DataFrame and select most common value
Python
Pandas
Group By
Pandas Groupby
Mode
How to hash a string into 8 digits?
Python
Arrays
Algorithm
Random
Hash
Saving images in Python at a very high quality
Python
Graphics
Matplotlib
Save
Plotting a list of (x, y) coordinates in python matplotlib
Python
Matplotlib
Plot
Coordinates
ImportError: No module named MySQLdb
Python
Mysql
Flask
Sqlalchemy
Mysql Python
How to select all columns whose names start with X in a pandas DataFrame
Python
Pandas
Dataframe
Selection
Can I add message to the tqdm progressbar?
Python
Tqdm
Running Jupyter via command line on Windows
Python
Jupyter Notebook
Jupyter
How to get autocomplete in jupyter notebook without using tab?
Python
Jupyter Notebook
Using Pylint with Django
Python
Django
Static Analysis
Pylint
Can you give a Django app a verbose name for use throughout the admin?
Python
Django
How to identify whether a file is normal file or directory
Python
How to extract the year from a Python datetime object?
Python
Datetime
virtualenv --no-site-packages and pip still finding global packages?
Python
Virtualenv
Pip
String formatting named parameters?
Python
String
Syntax
`staticmethod` and `abc.abstractmethod`: Will it blend?
Python
Abstract Class
Static Methods
How to create a DateTime equal to 15 minutes ago?
Python
Datetime
Python constructor and default value
Python
Constructor
Default Value
Matrix Transpose in Python
Python
List
Multidimensional Array
Remove and Replace Printed items
Python
Python 3.x
Printing
Python 3.2
How to override and extend basic Django admin templates?
Python
Django
Django Admin
Redirecting stdout to "nothing" in python
Python
Python 2.7
How can I set the aspect ratio in matplotlib?
Python
Matplotlib
Unittest setUp/tearDown for several tests
Python
Unit Testing
Is it possible to modify variable in python that is in outer, but not global, scope?
Python
Python 2.7
Difference between static STATIC_URL and STATIC_ROOT on Django
Python
Python 3.x
Django
Django Urls
Django Staticfiles
How do I write data into CSV format as string (not file)?
Python
String
Csv
Python TypeError: not enough arguments for format string
Python
String
Format
Typeerror
How to overcome TypeError: unhashable type: 'list'
Python
List
Dictionary
Typeerror
How can I open the interactive matplotlib window in IPython notebook?
Python
Matplotlib
Jupyter Notebook
Python, creating objects
Python
Greenlet Vs. Threads
Python
Concurrency
Gevent
Coroutine
Greenlets
Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
Python
Excel
Pandas
Openpyxl
Convert string to variable name in python
Python
Python 2.7
sqlalchemy IS NOT NULL select
Python
Sqlalchemy
how do you filter pandas dataframes by multiple columns
Python
Filter
Pandas
How to check whether two lists are circularly identical in Python
Python
Algorithm
WebDriver click() vs JavaScript click()
Javascript
Python
Selenium
Selenium Webdriver
Protractor
How to display full output in Jupyter, not only last result?
Python
Ipython
Jupyter
Can a line of Python code know its indentation nesting level?
Python
Reflection
Metaprogramming
Indentation
Tokenize
Is it possible to "hack" Python's print function?
Python
Python 3.x
Printing
Python Internals
Python Dictionary to URL Parameters
Python
Dictionary
Url Parameters
How does Python manage int and long?
Python
Integer
Why does += behave unexpectedly on lists?
Python
Augmented Assignment
How to get the parent dir location
Python
Path
What is Ruby equivalent of Python's `s= "hello, %s. Where is %s?" % ("John","Mary")`
Python
Ruby
String Formatting
Properties file in python (similar to Java Properties)
Python
Properties
Configparser
How can I profile Python code line-by-line?
Python
Profiling
Line by-Line
How can I split a text into sentences?
Python
Text
Split
How do I get a raw, compiled SQL query from a SQLAlchemy expression?
Python
Sql
Mysql
Sqlalchemy
Finding local maxima/minima with Numpy in a 1D numpy array
Python
Numpy
Better to 'try' something and catch the exception or test if it's possible first to avoid an exception?
Python
Exception Handling
If Statement
Try Catch
Pep
How to check if one dictionary is a subset of another larger dictionary?
Python
Dictionary
Filter
Subset
Get path from open file in Python
Python
Create nice column output in python
Python
String
List
Shared-memory objects in multiprocessing
Python
Numpy
Parallel Processing
Multiprocessing
Shared Memory
Python unittests in Jenkins?
Python
Unit Testing
Jenkins
Junit
Xunit
write() versus writelines() and concatenated strings
Python
String
File Io
Python 2.x
Split a large pandas dataframe
Python
Pandas
How can I make pandas dataframe column headers all lowercase?
Python
Pandas
Dataframe
Add column with constant value to pandas dataframe
Python
Pandas
Compare two columns using pandas
Python
Pandas
If Statement
Dataframe
SQLAlchemy ORM conversion to pandas DataFrame
Python
Pandas
Sqlalchemy
Flask Sqlalchemy
ValueError when checking if variable is None or numpy.array
Python
Numpy
Is Empty
Filter Pyspark dataframe column with None value
Python
Apache Spark
Dataframe
Pyspark
Apache Spark-Sql
Invalid http_host header
Python
Django
Python 2.7
Http Host
When to use 'raise NotImplementedError'?
Python
Oop
How are the new tf.contrib.summary summaries in TensorFlow evaluated?
Python
Tensorflow
Tensorboard
How do I perform HTML decoding/encoding using Python/Django?
Python
Django
Html Encode
Getting the caller function name inside another function in Python?
Python
Debugging
Is it pythonic to import inside functions?
Python
Conventions
Good ways to sort a queryset? - Django
Python
Django
Django Models
How to document class attributes in Python?
Python
Class
Documentation
Docstring
Class Attributes
How do you calculate program run time in python?
Python
Time
Runtime
nosetests is capturing the output of my print statements. How to circumvent this?
Python
Nosetests
Real world example about how to use property feature in python?
Python
Oop
Properties
Python Decorators
Bundling data files with PyInstaller (--onefile)
Python
Pyinstaller
Where is virtualenvwrapper.sh after pip install?
Python
Macos
Virtualenv
Pip
Virtualenvwrapper
putting current class as return type annotation
Python
Python 3.x
Class
Annotations
How to obtain the total numbers of rows from a CSV file in Python?
Python
Csv
Count
Syntax Error: Not a Chance - What is this error?
Python
Syntax Error
Curly Braces
How can I use Homebrew to install both Python 2 and 3 on Mac?
Python
Homebrew
What is an 'endpoint' in Flask?
Python
Flask
How to print like printf in Python3?
Python
String
Python 3.x
Difference between BeautifulSoup and Scrapy crawler?
Python
Beautifulsoup
Scrapy
Web Crawler
ImportError: no module named win32api
Python
Winapi
Hashing a file in Python
Python
Hash
Md5
Sha1
Hashlib
Get the first element of each tuple in a list in Python
Python
Python 2.7
Syntax
Why does running the Flask dev server run itself twice?
Python
Flask
Check if argparse optional argument is set or not
Python
Argparse
How to convert a Scikit-learn dataset to a Pandas dataset
Python
Pandas
Scikit Learn
Dataset
FutureWarning: elementwise comparison failed; returning scalar, but in the future will perform elementwise comparison
Python
Python 3.x
Pandas
Numpy
Matplotlib
What is the use of verbose in Keras while validating the model?
Python
Deep Learning
Keras
Verbose
How to develop Android app completely using python?
Android
Python
How to use Python to login to a webpage and retrieve cookies for later usage?
Python
Http
Authentication
Cookies
python list in sql query as parameter
Python
Sql
How do you run your own code alongside Tkinter's event loop?
Python
Events
Tkinter
Access data in package subdirectory
Python
Package
Check if Python Package is installed
Python
Package
Skype
Python Import
Does python have a sorted list?
Python
List
Sorting
Given a URL to a text file, what is the simplest way to read the contents of the text file?
Python
Find a file in python
Python
How to avoid explicit 'self' in Python?
Python
Self
Python: Finding differences between elements of a list
Python
List
Should I use Python 32bit or Python 64bit
Python
32bit 64bit
Creating a dynamic choice field
Python
Django
Django Forms
Django Templates
How do I design a class in Python?
Python
Oop
Class Design
Python (and Python C API): __new__ versus __init__
Python
C
Python C-Api
Python 2.7 getting user input and manipulating as string without quotations
Python
String
Python 2.7
[] and {} vs list() and dict(), which is better?
Python
Performance
List
Dictionary
How to join absolute and relative urls?
Python
Url
How to create a trie in Python
Python
Trie
Dawg
Extract traceback info from an exception object
Python
Debugging
Exception Handling
Join a list of strings in python and wrap each string in quotation marks
Python
String
List
Split string based on regex
Python
Regex
Split
Python if-else short-hand
Python
Python 2.7
How can I search sub-folders using glob.glob module?
Python
Filesystems
Glob
Fnmatch
Do python projects need a MANIFEST.in, and what should be in it?
Python
Setuptools
Django 1.7 - makemigrations not detecting changes
Python
Django
Django 1.7
Django Migrations
What is the difference between contiguous and non-contiguous arrays?
Python
Arrays
Numpy
Memory
ImportError: cannot import name main when running pip --version command in windows7 32 bit
Python
Pip
Importerror
What exactly does the T and Z mean in timestamp?
Python
Datetime
Timestamp
Strftime
Rfc3339
Flask ImportError: No Module Named Flask
Python
Flask
Show distinct column values in pyspark dataframe
Python
Apache Spark
Pyspark
Apache Spark-Sql
Understanding inplace=True in pandas
Python
Pandas
In Place
Visual Studio Code: How debug Python script with arguments
Python
Visual Studio-Code
Why does `if None.__eq__("a")` seem to evaluate to True (but not quite)?
Python
Python 3.x
String
Boolean Expression
Equivalence
What causes [*a] to overallocate?
Python
Python 3.x
List
Cpython
Python Internals
socket.shutdown vs socket.close
Python
Sockets
Asynchronous
What is the __del__ method and how do I call it?
Python
Oop
Best way to handle list.index(might-not-exist) in python?
Python
List
Find
Indexing
Pickle or json?
Python
Json
Pickle
What does the caret (^) operator do?
Python
Operators
Caret
How to create a density plot in matplotlib?
Python
R
Numpy
Matplotlib
Scipy
how to convert an RGB image to numpy array?
Python
Image
Opencv
Numpy
Python executable not finding libpython shared library
Python
Remove trailing newline from the elements of a string list
Python
List
Strip
argparse store false if unspecified
Python
Command Line-Arguments
Argparse
Complex numbers in python
Python
Types
Complex Numbers
Get pandas.read_csv to read empty values as empty string instead of nan
Python
Csv
Pandas
seek() function?
Python
python-dev installation error: ImportError: No module named apt_pkg
Python
Linux
Installation
Debian
Print without b' prefix for bytes in Python 3
Python
String
Python 3.x
<Django object > is not JSON serializable
Python
Django
Json
Serialization
Django Class-Based-Views
sql "LIKE" equivalent in django query
Python
Sql
Django
Django Models
Django Queryset
Ubuntu running `pip install` gives error 'The following required packages can not be built: * freetype'
Python
Ubuntu
Python 2.7
Matplotlib
Pip
Is the list of Python reserved words and builtins available in a library?
Python
Open files in 'rt' and 'wt' modes
Python
File
File Io
Read Write
pandas dataframe groupby datetime month
Python
Pandas
Datetime
Pandas Groupby
DistutilsOptionError: must supply either home or prefix/exec-prefix -- not both
Python
Google App-Engine
Installation
Pip
Distutils
How to move a model between two Django apps (Django 1.7)
Python
Mysql
Database
Django
Schema Migration
Update row values where certain condition is met in pandas
Python
Pandas
Indexing
Iterator
Mask
Flask at first run: Do not use the development server in a production environment
Python
Flask
Why is "if not someobj:" better than "if someobj == None:" in Python?
Python
Is it feasible to compile Python to machine code?
Python
C
Linker
Compilation
Sorting dictionary keys in python
Python
Sorting
How to get a reference to current module's attributes in Python
Python
Get object by id()?
Python
How to create full compressed tar file using Python?
Python
Compression
Zip
Tarfile
Why do we need tuples in Python (or any immutable data type)?
Python
Tuples
Evaluating a mathematical expression in a string
Python
Math
Is there a python equivalent of Ruby's 'rvm'?
Python
Egg
Equivalent
Rvm
Doing something before program exit
Python
Function
Exit
How to obtain a QuerySet of all rows, with specific fields for each one of them?
Python
Django
Django Models
Django Queryset
Installing Python 3 on RHEL
Python
Python 3.x
Rhel
How to toggle a value?
Python
Chained method calls indentation style in Python
Python
Django
Coding Style
Pep8
inserting characters at the start and end of a string
Python
Python Logging (function name, file name, line number) using a single file
Python
Logging
Multiple linear regression in Python
Python
Numpy
Statistics
Scipy
Linear Regression
Running python script inside ipython
Python
Path
Ipython
numpy get index where value is true
Python
Numpy
Matrix
Python: How would you save a simple settings/config file?
Python
Json
Settings
Config
Ini
Argparse: Required argument 'y' if 'x' is present
Python
Argparse
Drop rows with all zeros in pandas data frame
Python
Pandas
Serialising an Enum member to JSON
Python
Json
Python 3.x
Serialization
Enums
Seaborn showing scientific notation in heatmap for 3-digit numbers
Python
Pandas
Matplotlib
Seaborn
How to plot a histogram using Matplotlib in Python with a list of data?
Python
Matplotlib
Visualization
Data Visualization
Convert spark DataFrame column to python list
Python
Apache Spark
Pyspark
Spark Dataframe
What does "i" represent in Python .pyi extension?
Python
Simplest async/await example possible in Python
Python
Python 3.x
Asynchronous
Async Await
Python Asyncio
What are some (concrete) use-cases for metaclasses?
Python
Metaclass
Cleanest way to get last item from Python iterator
Python
Python 3.x
Python 2.7
Iterator
Does Python have a package/module management system?
Python
Module
How to run a script in the background even after I logout SSH?
Python
Service
Cron
What is Python buffer type for?
Python
Python 2.7
How to write a multidimensional array to a text file?
Python
File Io
Numpy
Very Long If Statement in Python
Python
Explicitly select items from a list or tuple
Python
List
Select
Indexing
Tuples
Iterating over a numpy array
Python
Numpy
Why doesn't calling a string method do anything unless its output is assigned?
Python
String
How do you do natural logs (e.g. "ln()") with numpy in Python?
Python
Numpy
Logarithm
Natural Logarithm
Python: avoid new line with print command
Python
Printing
Newline
Python 2.5
How to set 'auto' for upper limit, but keep a fixed lower limit with matplotlib.pyplot
Python
Matplotlib
How to get rid of punctuation using NLTK tokenizer?
Python
Nlp
Tokenize
Nltk
Append column to pandas dataframe
Python
Pandas
Remove or adapt border of frame of legend using matplotlib
Python
Matplotlib
How to know the version of pip itself
Python
Pip
How to set a cell to NaN in a pandas dataframe
Python
Pandas
Nan
What is the difference between drawing plots using plot, axes or figure in matplotlib?
Python
Matplotlib
Matplotlib - How to plot a high resolution graph?
Python
Matplotlib
pandas how to check dtype for all columns in a dataframe?
Python
Pandas
Dataframe
Data Classes vs typing.NamedTuple primary use cases
Python
Namedtuple
Pep
Python 3.7
Python Dataclasses
What is the difference between class and instance attributes?
Python
Attributes
Member Variables
Make sure only a single instance of a program is running
Python
Process
Locking
Mutual Exclusion
Why can't Python find shared objects that are in directories in sys.path?
Python
Shared Libraries
Libcurl
Pycurl
Inserting a Python datetime.datetime object into MySQL
Python
Mysql
Datetime
How do I install Python packages on Windows?
Python
Pip
Why are empty strings returned in split() results?
Python
String
Split
Iterating through a JSON object
Python
Dictionary
Loops
In Python script, how do I set PYTHONPATH?
Python
Linux
Unix
Environment Variables
In Python, how can you load YAML mappings as OrderedDicts?
Python
Dictionary
Serialization
Yaml
Pyyaml
How can I create a Set of Sets in Python?
Python
Collections
Nested
Set
List of tuples to dictionary
Python
List
Dictionary
Tuples
Fast check for NaN in NumPy
Python
Performance
Numpy
Nan
Underscore vs Double underscore with variables and methods
Python
Putting text in top left corner of matplotlib plot
Python
Plot
Matplotlib
How do I create a multiline Python string with inline variables?
Python
String
Variables
Multiline
Finding the mode of a list
Python
Mode
NumPy: function for simultaneous max() and min()
Python
Numpy
How To Check If A Key in **kwargs Exists?
Python
Dictionary
Python 3.x
Keyword Argument
cartesian product in pandas
Python
Pandas
Merge
Cartesian Product
Cross Join
Running bash script from within python
Python
Bash
Call
TypeError: ObjectId('') is not JSON serializable
Python
Json
Mongodb
Flask
Round a floating-point number down to the nearest integer?
Python
Floating Point
Integer
Rounding
How can I add new dimensions to a Numpy array?
Python
Arrays
Opencv
Numpy
class method generates "TypeError: ... got multiple values for keyword argument ..."
Python
Class
Python 2.7
Methods
Read file data without saving it in Flask
Python
Flask
Creating a new column based on if-elif-else condition
Python
Pandas
Conditional
Split string using a newline delimiter with Python
Python
String
Python 2.7
How to write DataFrame to postgres table
Python
Postgresql
Pandas
Sqlalchemy
Convert generator object to list for debugging
Python
Generator
Ipdb
You are trying to add a non-nullable field 'new_field' to userprofile without a default
Python
Django
pip install access denied on Windows
Python
Windows
Pip
Access Denied
pip install failing with: OSError: [Errno 13] Permission denied on directory
Python
Permissions
Pip
Installation
How to write setup.py to include a Git repository as a dependency
Python
Django
Git
Packaging
Setuptools
What is exactly sklearn.pipeline.Pipeline?
Python
Machine Learning
Scikit Learn
Neuraxle
Can anyone explain me StandardScaler?
Python
Machine Learning
Scikit Learn
Scaling
Standardized
How to postpone/defer the evaluation of f-strings?
Python
Python 3.x
String Interpolation
Python 3.6
F String
How to select rows with NaN in particular column?
Python
Pandas
Dataframe
Visual Studio Code Intellisense is very slow - Is there anything I can do?
Python
Visual Studio-Code
Intellisense
Code Completion
How to fix 'Object arrays cannot be loaded when allow_pickle=False' for imdb.load_data() function?
Python
Numpy
Keras
Python Regex - How to Get Positions and Values of Matches
Python
Regex
Detect if a NumPy array contains at least one non-numeric value?
Python
Numpy
Django FileField with upload_to determined at runtime
Python
Django
Django Models
How to join components of a path when you are constructing a URL in Python
Python
Url
BeautifulSoup Grab Visible Webpage Text
Python
Text
Beautifulsoup
Html Content-Extraction
Copy file or directories recursively in Python
Python
Easiest way to rename a model using Django/South?
Python
Django
Django Models
Rename
Django South
How to repeat last command in python interpreter shell?
Python
Shell
Virtualenv
Interpreter
Python Idle
Saving interactive Matplotlib figures
Python
Matplotlib
How do I get Pyflakes to ignore a statement?
Python
Pyflakes
How do I get an empty list of any size in Python?
Python
Arrays
Dynamic Arrays
Replace console output in Python
Python
Numpy how to iterate over columns of array?
Python
Loops
Numpy
Find the max of two or more columns with pandas
Python
Dataframe
Pandas
Confusion between numpy, scipy, matplotlib and pylab
Python
Numpy
Matplotlib
Scipy
How can I save an image with PIL?
Python
Save
Python Imaging-Library
What is the perfect counterpart in Python for "while not EOF"
Python
File
Iteration
Eof
Get Image size WITHOUT loading image into memory
Python
Image
Image Processing
How to convert string to binary?
Python
String
Binary
ValueError : I/O operation on closed file
Python
Csv
File Io
Io
Representing graphs (data structure) in Python
Python
Data Structures
Graph
Why does "a == x or y or z" always evaluate to True?
Python
Boolean
Boolean Expression
URL query parameters to dict python
Python
Parsing
Url
Query Parameters
How to calculate the sentence similarity using word2vec model of gensim with python
Python
Gensim
Word2vec
How to plot multiple functions on the same figure, in Matplotlib?
Python
Function
Matplotlib
Graph
Pycharm does not show plot
Python
Matplotlib
Pycharm
How to return 0 with divide by zero
Python
Arrays
Numpy
Error Handling
Divide by-Zero
Python pandas insert list into a cell
Python
List
Pandas
Insert
Dataframe
Unpickling a python 2 object with python 3
Python
Python 3.x
Pickle
Python 2.4
Python 2to3
Adding value labels on a matplotlib bar chart
Python
Pandas
Matplotlib
Data Visualization
Bar Chart
How to select rows in a DataFrame between two values, in Python Pandas?
Python
Pandas
Retrieving subfolders names in S3 bucket from boto3
Python
Amazon Web-Services
Amazon S3
Boto3
ImportError: No module named 'encodings'
Python
Python 3.x
Virtualenv
Development Environment
How to suppress or capture the output of subprocess.run()?
Python
Python 3.x
Subprocess
Python: pandas merge multiple dataframes
Python
Pandas
Dataframe
Merge
Data Analysis
What's the difference between str.isdigit, isnumeric and isdecimal in python?
Python
String
Python 3.x
Subclass in type hinting
Python
Subclass
Type Hinting
Python Typing
Display all dataframe columns in a Jupyter Python Notebook
Python
Python 3.x
Dataframe
Jupyter Notebook
ImproperlyConfiguredError about app_name when using namespace in include()
Python
Django
Django Urls
How are POST and GET variables handled in Python?
Python
Post
Get
Can Python print a function definition?
Python
Why does Python print unicode characters when the default encoding is ASCII?
Python
Unicode
Encoding
Ascii
Python 2.x
Python: how to print range a-z?
Python
String
List
Range
Ascii
Getting user input
Python
User Input
Calling Java from Python
Java
Python
How to implement __iter__(self) for a container object (Python)
Python
Python/postgres/psycopg2: getting ID of row just inserted
Python
Postgresql
Psycopg2
How to get the index of a maximum element in a NumPy array along one axis
Python
Numpy
Max
Indices
How to get everything after last slash in a URL?
Python
Parsing
Url
How to use Python's pip to download and keep the zipped files for a package?
Python
Download
Pip
Zip
Class with Object as a parameter
Python
Django - how to create a file and save it to a model's FileField?
Python
Django
Django Models
What is the syntax rule for having trailing commas in tuple definitions?
Python
Syntax
Tuples
How to return images in flask response?
Python
Flask
Flask-SQLAlchemy import/context issue
Python
Flask
Flask Sqlalchemy
Fast way of counting non-zero bits in positive integer
Python
Binary
Counting
How to close IPython Notebook properly?
Python
Jupyter Notebook
Ipython
Jupyter
figure of imshow() is too small
Python
Numpy
Matplotlib
can we use XPath with BeautifulSoup?
Python
Web Scraping
Xpath
Beautifulsoup
Urllib
How should I read a file line-by-line in Python?
Python
Python 3.x
Python 2.7
Normalize data in pandas
Python
Pandas
Numpy
gunicorn autoreload on source change
Python
Django
Reload
Gunicorn
How to get the input from the Tkinter Text Widget?
Python
Tkinter
Difference between 'python setup.py install' and 'pip install'
Python
Virtualenv
Pip
setup.py
redis-py : What's the difference between StrictRedis() and Redis()?
Python
Redis
What is a None value?
Python
Variables
If Statement
How to use pytest to check that Error is NOT raised
Python
Pytest
Raise
Assign pandas dataframe column dtypes
Python
Pandas
Subprocess changing directory
Python
Subprocess
Add column in dataframe from list
Python
Pandas
Dataframe
Existence of mutable named tuple in Python?
Python
Mutable
Namedtuple
Resolving new pip backtracking runtime issue
Python
Pip
Accessing MP3 metadata with Python
Python
Mp3
Metadata
How to get instance variables in Python?
Python
Methods
Instance Variables
Efficiently updating database using SQLAlchemy ORM
Python
Orm
Sqlalchemy
Best way to create a simple python web service
Python
Web Services
How to truncate float values?
Python
Floating Point
How Big can a Python List Get?
Python
List
Size
Pythonic way of checking if a condition holds for any element of a list
Python
List
Stopping python using ctrl+c
Python
Can a dictionary be passed to django models on create?
Python
Django
Django Models
Django Queryset
How to get one value at a time from a generator function in Python?
Python
Generator
Sorting Python list based on the length of the string
Python
List
Sorting
What does 'wb' mean in this code, using Python?
Python
File
Syntax
Importing a CSV file into a sqlite3 database table using Python
Python
Database
Csv
Sqlite
Pointers in Python?
Python
Pointers
Some built-in to pad a list in python
Python
List
List Manipulation
Log to the base 2 in python
Python
Logarithm
how does multiplication differ for NumPy Matrix vs Array classes?
Python
Arrays
Numpy
Matrix
Matrix Multiplication
A python class that acts like dict
Python
Dictionary
unbound method f() must be called with fibo_ instance as first argument (got classobj instance instead)
Python
Methods
What are WSGI and CGI in plain English?
Python
Cgi
Wsgi
Why does the expression 0 < 0 == 0 return False in Python?
Python
Comparison Operators
Operator Chaining
Iterating Over Dictionary Key Values Corresponding to List in Python
Python
List
Function
Dictionary
Loops
How to convert a dictionary to query string in Python?
Python
Urllib2
Urllib
python's re: return True if string contains regex pattern
Python
Regex
Equivalent C++ to Python generator pattern
C++
Python
Generator
Yield
Coroutine
Convert numpy array to tuple
Python
Numpy
Selecting pandas column by location
Python
Pandas
Indexing
How to update Python?
Python
Python 2.7
Installation
Upgrade
Windows 7-X64
How to run code when a class is subclassed?
Python
Inheritance
How to frame two for loops in list comprehension python
Python
List
For Loop
List Comprehension
How to convert an OrderedDict into a regular dict in python3
Python
Type Conversion
Ordereddictionary
Django Rest Framework - Could not resolve URL for hyperlinked relationship using view name "user-detail"
Python
Django
Django Rest-Framework
Add column with number of days between dates in DataFrame pandas
Python
Pandas
Date Difference
Convert categorical data in pandas dataframe
Python
Pandas
How to test single file under pytest
Python
Pytest
How to programmatically generate markdown output in Jupyter notebooks?
Python
Ipython
Jupyter
Jupyter Notebook
Hide tick label values but keep axis labels
Python
Matplotlib
Pip - Fatal error in launcher: Unable to create process using '"'
Python
Windows
Python 3.x
Pip
Ampps
pyvenv not working because ensurepip is not available
Python
Virtualenv
How can mypy ignore a single line in a source file?
Python
Types
Mypy
How can I set up a virtual environment for Python in Visual Studio Code?
Python
Visual Studio-Code
Virtualenv
Python - When to use file vs open
Python
File
Reducing Django Memory Usage. Low hanging fruit?
Python
Django
Profiling
Memory Management
Mod Python
How do I compile a Visual Studio project from the command-line?
C++
Python
Visual Studio-2008
Command Line
Add text to Existing PDF using Python
Python
Pdf
Should __init__() call the parent class's __init__()?
Python
Oop
Superclass
Convert hex to binary
Python
String
Binary
Hex
String Formatting
Printing tuple with string formatting in Python
Python
How to Execute a Python Script in Notepad++?
Python
Notepad++
Python append() vs. + operator on lists, why do these give different results?
Python
List
Append
Nested Lists
How do I fix PyDev "Undefined variable from import" errors?
Python
Code Analysis
Pydev
__getattr__ on a module
Python
Module
Python 3.x
Getattr
Attributeerror
How to configure logging to syslog in Python?
Python
Logging
Syslog
What is the Python equivalent of Matlab's tic and toc functions?
Python
Matlab
Timing
Adding Python to PATH on Windows
Python
Windows
Python 2.7
Path
Reading a binary file with python
Python
Binary
Fortran
How can I save my secret keys and password securely in my version control system?
Python
Django
Git
Version Control
Is there a recommended format for multi-line imports?
Python
Python 2.7
Pep8
Should all Python classes extend object?
Python
Inheritance
print memory address of Python variable
Python
Memory Address
How to disable Django's CSRF validation?
Python
Django
Python syntax for "if a or b or c but not all of them"
Python
If Statement
Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3
Python
Python 3.x
How to install pip for Python 3 on Mac OS X?
Python
Macos
Python 3.x
Pip
Python 3.3
Importing an ipynb file from another ipynb file?
Python
Import
Workflow
Ipython
What exactly is Python multiprocessing Module's .join() Method Doing?
Python
Multiprocessing
Right way to initialize an OrderedDict using its constructor such that it retains order of initial data?
Python
Sorting
Dictionary
Ordereddictionary
What does colon equal (:=) in Python mean?
Python
Colon Equals
error: (-215) !empty() in function detectMultiScale
Python
Python 2.7
Opencv
Image Recognition
Is there a JavaScript equivalent of the Python pass statement that does nothing?
Javascript
Python
Function
Lexical
Python: How to determine the language?
Python
String
Parsing
What does "three dots" in Python mean when indexing what looks like a number?
Python
Numpy
Iterator
django.db.migrations.exceptions.InconsistentMigrationHistory
Python
Django
Django Models
Django Rest-Framework
Database Migration
Extract a page from a pdf as a jpeg
Python
Image
Pdf
Multiprocessing causes Python to crash and gives an error may have been in progress in another thread when fork() was called
Python
Python 3.x
Multithreading
Macos
How do you fix "runtimeError: package fails to pass a sanity check" for numpy and pandas?
Python
Python 3.x
Windows
Numpy
round() doesn't seem to be rounding properly
Python
Floating Point
Rounding
Inheritance and Overriding __init__ in python
Python
Overriding
Superclass
Dictionary vs Object - which is more efficient and why?
Python
Performance
Dictionary
Object
Updating Python on Mac
Python
Macos
Python 3.x
Emacs bulk indent for Python
Python
Emacs
Ssh
Creating functions in a loop
Python
Function
Common use-cases for pickle in Python
Python
Serialization
Pickle
Use Case
In-place type conversion of a NumPy array
Python
Numpy
Importing from builtin library when module with same name exists
Python
Import
Efficient way to remove keys with empty strings from a dict
Python
Dictionary
Finding a substring within a list in Python
Python
String
List
What does Pylint's "Too few public methods" message mean?
Python
Pylint
Moving x-axis to the top of a plot in matplotlib
Python
Matplotlib
Plot
Data Visualization
How to convert a date string to different format
Python
How to upload a file to directory in S3 bucket using boto
Python
Amazon Web-Services
Amazon S3
Boto
python pandas dataframe columns convert to dict key and value
Python
Pandas
Dataframe
Dictionary
Data Conversion
How to call Base Class's __init__ method from the child class?
Python
Python 2.7
Inheritance
Constructor
Strings in a DataFrame, but dtype is object
Python
Pandas
Numpy
Types
Series
Mac OS X - EnvironmentError: mysql_config not found
Python
Mysql
Django
Macos
Generate temporary file names without creating actual file in Python
Python
Temporary Files
What is the right way to debug in iPython notebook?
Python
Python 2.7
Jupyter Notebook
Ipython
Pdb
In Tensorflow, get the names of all the Tensors in a graph
Python
Tensorflow
Tensorboard
Skflow
Difference(s) between merge() and concat() in pandas
Python
Pandas
Join
Merge
Concat
ImportError: libSM.so.6: cannot open shared object file: No such file or directory
Python
Opencv
Python Import
Importerror
Python Module
How to escape os.system() calls?
Python
Shell
Escaping
Is it possible to have multiple statements in a python lambda expression?
Python
How to write binary data to stdout in python 3?
Python
Python 3.x
What is the current choice for doing RPC in Python?
Python
Rpc
Difference between len() and .__len__()?
Python
How to generate a random number with a specific amount of digits?
Python
Random
Reading/parsing Excel (xls) files with Python
Python
Xls
Statistics: combinations in Python
Python
Statistics
Combinations
how to delete files from amazon s3 bucket?
Python
Amazon S3
Bucket
How to change a module variable from another module?
Python
Import
Module
Process escape sequences in a string in Python
Python
String
Escaping
Haversine Formula in Python (Bearing and Distance between two GPS points)
Python
Gps
Distance
Haversine
Bearing
How to convert list of key-value tuples into dictionary?
Python
List
Dictionary
Using %f with strftime() in Python to get microseconds
Python
Time
Strftime
jsonify a SQLAlchemy result set in Flask
Python
Sqlalchemy
Flask
Flask Sqlalchemy
Importing from a relative path in Python
Python
Python 3.x
Import
Shared Libraries
Relative Path
How to trace the path in a Breadth-First Search?
Python
Algorithm
Graph
Breadth First-Search
Dynamically updating plot in matplotlib
Python
Matplotlib
Tkinter
Is there a way to list pip dependencies/requirements?
Python
Pip
requirements.txt
Replace and overwrite instead of appending
Python
Replace
How to install a specific version of a package with pip?
Python
Virtualenv
Pip
Django Modeltranslation
Difference between python3 and python3m executables
Python
Python 3.x
Reading a huge .csv file
Python
Python 2.7
File
Csv
Converting a column within pandas dataframe from int to string
Python
String
Pandas
Dataframe
Int
Running a Python script from PHP
Php
Python
Linux
Exec
Archlinux
Generate random array of floats between a range
Python
Arrays
Random
Numpy
How do I activate a virtualenv inside PyCharm's terminal?
Python
Django
Shell
Virtualenv
Pycharm
How to convert column with dtype as object to string in Pandas Dataframe
Python
Pandas
Convert bytes to int?
Python
Python 3.x
Int
Type Conversion
Byte
What values are valid in Pandas 'Freq' tags?
Python
Pandas
Documentation
Dataframe
Frequency
How can I plot a confusion matrix?
Python
Matplotlib
Matrix
Scikit Learn
Text Classification
How do I install a pip package globally instead of locally?
Python
Pip
When to use Serializer's create() and ModelViewset's perform_create()
Python
Django
Serialization
Django Rest-Framework
Set order of columns in pandas dataframe
Python
Pandas
How to make two plots side-by-side using Python?
Python
Matplotlib
How to solve ReadTimeoutError: HTTPSConnectionPool(host='pypi.python.org', port=443) with pip?
Python
Pip
TypeError: only integer scalar arrays can be converted to a scalar index with 1D numpy indices array
Python
Python 3.x
Numpy
googletrans stopped working with error 'NoneType' object has no attribute 'group'
Python
Could not load dynamic library 'cudart64_101.dll' on tensorflow CPU-only installation
Python
Python 3.x
Tensorflow
Keras
tensorflow2.0
How do I add tab completion to the Python shell?
Python
Shell
Interpreter
python: how to send mail with TO, CC and BCC?
Python
Email
Testing
How to return a value from __init__ in Python?
Python
Class
Init
Why does the division get rounded to an integer?
Python
Math
Python 2.x
Is there a generator version of `string.split()` in Python?
Python
String
Generator
efficient circular buffer?
Python
Circular Buffer
Reference list item by index within Django template?
Python
Django
Django Templates
How to extract a floating number from a string
Python
Regex
Floating Point
Data Extraction
Python: Making a beep noise
Python
Audio
Serial Port
Modulus % in Django template
Python
Django
Templates
How to check BLAS/LAPACK linkage in NumPy and SciPy?
Python
Numpy
Scipy
Lapack
Blas
How does numpy.histogram() work?
Python
Numpy
Histogram
How do I compute derivative using Numpy?
Python
Math
Numpy
Is there a way to pass optional parameters to a function?
Python
Why does multiprocessing use only a single core after I import numpy?
Python
Linux
Numpy
Multiprocessing
Blas
Pythonic way to print list items
Python
List
Printing
List Comprehension
how to draw directed graphs using networkx in python?
Python
Plot
Graph
Networkx
Directed Graph
Why does ~True result in -2?
Python
Data Conversion
Tilde
Creating a zero-filled pandas data frame
Python
Pandas
Dataframe
Fill between two vertical lines in matplotlib
Python
Matplotlib
Circular list iterator in Python
Python
List
Iterator
What is the difference between setUp() and setUpClass() in Python unittest?
Python
Unit Testing
Python Unittest
Specify date format for Python argparse input arguments
Python
Argparse
How to save and load numpy.array() data properly?
Python
Arrays
Numpy
Drop rows containing empty cells from a pandas DataFrame
Python
Pandas
Dataframe
Drop
Python: Importing urllib.quote
Python
Python 3.x
Import
Urllib
Update index after sorting data-frame
Python
Pandas
AWS Lambda import module error in python
Python
Amazon Web-Services
Aws Lambda
How to set env variable in Jupyter notebook
Python
Bash
Environment Variables
Jupyter Notebook
Given a string of a million numbers, return all repeating 3 digit numbers
Python
Algorithm
Data Structures
Number Theory
Are for-loops in pandas really bad? When should I care?
Python
Pandas
Iteration
Vectorization
List Comprehension
Django TemplateSyntaxError - 'staticfiles' is not a registered tag library
Python
Django
Django Templates
Django 3.0
"Private" (implementation) class in Python
Python
Access Modifiers
In Python, what is the difference between ".append()" and "+= []"?
Python
List
Concatenation
Is there a function to determine which quarter of the year a date is in?
Python
Date
Iterate over the lines of a string
Python
String
Iterator
Python ? (conditional/ternary) operator for assignments
Python
C
Language Features
How to extract the n-th elements from a list of tuples
Python
List
Tuples
Return datetime object of previous month
Python
Date
are there dictionaries in javascript like python?
Javascript
Python
Python Script execute commands in Terminal
Python
Terminal
Matplotlib: "Unknown projection '3d'" error
Python
Matplotlib
How can I check if two segments intersect?
Python
Math
Geometry
Python time measure function
Python
Time
Callback
Ignore .pyc files in git repository
Python
Git
Is there an expression for an infinite iterator?
Python
Iterator
Generator
Infinite Loop
Matplotlib - Move X-Axis label downwards, but not X-Axis Ticks
Python
Matplotlib
Graphing
log messages appearing twice with Python Logging
Python
Logging
In python, why use logging instead of print?
Python
Logging
Printing
Finding the index of elements based on a condition using python list comprehension
Python
Why do we use __init__ in Python classes?
Python
Class
Check if list of objects contain an object with a certain attribute value
Python
List
Attributes
Any
Any reason not to use '+' to concatenate two strings?
Python
String Concatenation
Anti Patterns
iterating row by row through a pandas dataframe
Python
Pandas
Python using enumerate inside list comprehension
Python
List
Iteration
List Comprehension
Automatically import modules when entering the python or ipython interpreter
Python
Numpy
Ipython
Python matplotlib multiple bars
Python
Pandas
Matplotlib
Seaborn
Bar Chart
How to measure time taken between lines of code in python?
Python
Time
Profiling
Measure
matplotlib: colorbars and its text labels
Python
Matplotlib
Label
Legend
Colorbar
python NameError: global name '__file__' is not defined
Python
Nameerror
Is there any way to show the dependency trees for pip packages?
Python
Pip
requirements.txt
Include intermediary (through model) in responses in Django Rest Framework
Python
Django
Django Rest-Framework
Matplotlib connect scatterplot points with line - Python
Python
Matplotlib
How to schedule a function to run every hour on Flask?
Python
Asynchronous
Flask
Cron
Scheduled Tasks
Move column by name to front of table in pandas
Python
Pandas
Move
Dataframe
Shift
How do I set response headers in Flask?
Python
Flask
Django Rest Framework - Authentication credentials were not provided
Python
Django
Django Rest-Framework
Compact way of writing (a + b == c or a + c == b or b + c == a)
Python
Boolean
How to find the size or shape of a DataFrame in PySpark?
Python
Dataframe
Pyspark
How to save a new sheet in an existing excel file, using Pandas?
Python
Pandas
Openpyxl
Xlsxwriter
What is pyproject.toml file for?
Python
Pip
Packaging
pyproject.toml
How to check if a file is a valid image file?
Python
Image
Identification
Imghdr
What's a good IDE for Python on Mac OS X?
Python
Macos
Ide
How do I exchange keys with values in a dictionary?
Python
Dictionary
Mapping
Reverse
Hello World in Python
Python
Python 3.x
"Too many values to unpack" Exception
Python
Django
Filtering a list of strings based on contents
Python
List
Best way to assert for numpy.array equality?
Python
Unit Testing
Numpy
How do I find the maximum of 2 numbers?
Python
Max
How to print a generator expression?
Python
Iterator
Generator
How to convert string to Title Case in Python?
Python
SQLAlchemy: how to filter date field?
Python
Sql
Database
Orm
Sqlalchemy
How to create major and minor gridlines with different linestyles in Python
Python
Matplotlib
What does the 'u' symbol mean in front of string values?
Python
Google App-Engine
How to use multiprocessing queue in Python?
Python
Multithreading
Multiprocessing
I want to exception handle 'list index out of range.'
Python
List
Exception Handling
SQLAlchemy: Creating vs. Reusing a Session
Python
Sqlalchemy
Log all requests from the python-requests module
Python
Logging
Python Requests
How do I calculate the MD5 checksum of a file in Python?
Python
Md5
Md5sum
Running Python code in Vim
Python
Vim
How can I remove Nan from list Python/NumPy
Python
Numpy
Calculate Time Difference Between Two Pandas Columns in Hours and Minutes
Python
Pandas
Datetime
Python Datetime
How to compare two JSON objects with the same elements in a different order equal?
Python
Json
Django
Comparison
What is %timeit in Python?
Python
Ipython
Timeit
Magic Function
How to compute precision, recall, accuracy and f1-score for the multiclass case with scikit learn?
Python
Machine Learning
Nlp
Artificial Intelligence
Scikit Learn
Are global variables thread-safe in Flask? How do I share data between requests?
Python
Flask
Thread Safety
Convert pandas data frame to series
Python
Pandas
Dataframe
Series
matplotlib/seaborn: first and last row cut in half of heatmap plot
Python
Matplotlib
Seaborn
ERROR: Could not build wheels for scipy which use PEP 517 and cannot be installed directly
Python
Scipy
Pip
Embedded Linux
Python Wheel
Play audio with Python
Python
Audio
What are the drawbacks of Stackless Python?
Python
Python Stackless
Checking a Python module version at runtime
Python
Module
Version
In-memory size of a Python structure
Python
Memory
Memory Footprint
Python-equivalent of short-form "if" in C++
C++
Python
Syntax
In Python, how do I use urllib to see if a website is 404 or 200?
Python
Urllib
Http Status-Codes
Getting only 1 decimal place
Python
Rounding
Why do you have to call .items() when iterating over a dictionary in Python?
Python
Loops
Dictionary
Python garbage collector documentation
Python
Garbage Collection
Test a string for a substring
Python
String
How to remove stop words using nltk or python
Python
Nltk
Stop Words
Show the progress of a Python multiprocessing pool imap_unordered call?
Python
Multiprocessing
How to create a new database using SQLAlchemy?
Python
Sqlalchemy
Convert SVG to PNG in Python
Python
Svg
Rendering
Cairo
Python name mangling
Python
Naming Conventions
How to split text without spaces into list of words
Python
Algorithm
Text
Split
correct way to use super (argument passing)
Python
Python Matplotlib Y-Axis ticks on Right Side of Plot
Python
Matplotlib
Combining node.js and Python
Python
node.js
Ipc
Creating hidden arguments with Python argparse
Python
Argparse
How to use subprocess popen Python
Python
Subprocess
Popen
Should I use encoding declaration in Python 3?
Python
Python 3.x
Encoding
Utf 8
Convert image from PIL to openCV format
Python
Image Processing
Opencv
Python Imaging-Library
Standard deviation of a list
Python
List
Standard Deviation
Pandas groupby: How to get a union of strings
Python
Pandas
Python Requests package: Handling xml response
Python
Xml
Httprequest
Python Requests
python numpy machine epsilon
Python
Numpy
Epsilon
Python circular importing?
Python
Import
Circular Dependency
ImproperlyConfigured: You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing settings
Python
Django
Django Settings
How can I split a column of tuples in a Pandas dataframe?
Python
Numpy
Pandas
Dataframe
Tuples
How to run Spyder in virtual environment?
Python
Python 3.x
Virtualenv
Anaconda
Spyder
How to change a dataframe column from String type to Double type in PySpark?
Python
Apache Spark
Dataframe
Pyspark
Apache Spark-Sql
How to pickle or store Jupyter (IPython) notebook session for later
Python
Ipython
Ipython Notebook
Jupyter
Jupyter Notebook
Difference between Variable and get_variable in TensorFlow
Python
Tensorflow
Get enumeration name by value
Python
Enums
Enumeration
Authentication plugin 'caching_sha2_password' is not supported
Python
Mysql
How can I consume a WSDL (SOAP) web service in Python?
Python
Web Services
Soap
Practicing BDD with python
Python
Testing
Bdd
Regular expression matching a multiline block of text
Python
Regex
Multiline
Python: Bind an Unbound Method?
Python
Class
Methods
Bind
Is there a Python caching library?
Python
Caching
Threading in a PyQt application: Use Qt threads or Python threads?
Python
Multithreading
Pyqt
Static methods - How to call a method from another method?
Python
Static Methods
Instance variables vs. class variables in Python
Python
Class
Variables
Static
Member
Implementing slicing in __getitem__
Python
Slice
Python Datamodel
What is the most pythonic way to check if an object is a number?
Python
Types
Numbers
Installing SetupTools on 64-bit Windows
Python
Setuptools
Easy Install
What is the difference between .py and .pyc files?
Python
File
How to get value from form field in django framework?
Python
Django
How to change the color of the axis, ticks and labels for a plot in matplotlib
Python
Matplotlib
Colors
Pyqt
Seaborn
Learning Python from Ruby; Differences and Similarities
Python
Ruby
Accessing elements of Python dictionary by index
Python
Dictionary
Checking if sys.argv[x] is defined
Python
How to save a list as numpy array in python?
Python
List
Numpy
Most Pythonic way to provide global configuration variables in config.py?
Global Variables
Python
Config
Egg
SQLAlchemy - Getting a list of tables
Python
Mysql
Sqlalchemy
Pyramid
How to convert list of tuples to multiple lists?
Python
List
Tuples
surface plots in matplotlib
Python
Numpy
Matplotlib
Surface
Strip spaces/tabs/newlines - python
Python
String
Python 2.7
Strip
What algorithm does python's sorted() use?
Python
Sorting
How to "log in" to a website using Python's Requests module?
Python
Python Requests
Pyquery
How do you unit test a Celery task?
Python
Unit Testing
Celery
How to compile python script to binary executable
Python
Compilation
Executable
How to define an empty generator function?
Python
Generator
Regular expression to match a dot
Python
Regex
RuntimeWarning: invalid value encountered in divide
Python
Python 2.7
Matplotlib
Inline labels in Matplotlib
Python
Matplotlib
Charts
Coordinates
Django, creating a custom 500/404 error page
Python
Django
Django Templates
Http Status-Code-404
Pandas Merge - How to avoid duplicating columns
Python
Pandas
Python Requests library redirect new url
Python
Http
Redirect
Python Requests
Why is it slower to iterate over a small string than a small list?
Python
Performance
Cpython
Timeit
Python Internals
How do I execute inserts and updates in an Alembic upgrade script?
Python
Sqlalchemy
Alembic
Pandas How to filter a Series
Python
Pandas
Python returns MagicMock object instead of return_value
Python
Python Unittest
Magicmock
Strip / trim all strings of a dataframe
Python
Regex
Pandas
Dataframe
Trim
What's the difference between MySQLdb, mysqlclient and MySQL connector/Python?
Python
Mysql
Database
Mysql Python
Mysql Connector
Sending mail from Python using SMTP
Python
Smtp
Can you add new statements to Python's syntax?
Python
Syntax
Language Specifications
Can a decorator of an instance method access the class?
Python
Decorator
Pairwise crossproduct in Python
Python
List
How to run Django's test database only in memory?
Python
Mysql
Django
Unit Testing
Select between two dates with Django
Python
Django
How to index into a dictionary?
Python
Dictionary
Indexing
Order of keys in dictionaries in old versions of Python
Python
Dictionary
Python: Best way to add to sys.path relative to the current running script
Python
Python Import
How to remove leading and trailing spaces from a string?
Python
String
logging.info doesn't show up on console but warn and error do
Python
Logging
Warnings
Removing first x characters from string?
Python
String
Displaying better error message than "No JSON object could be decoded"
Python
Json
Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
Python
Pandas
Datetime
Timezone
Can't install PIL after Mac OS X 10.9
Python
Macos
Python Imaging-Library
Pip
Osx Mavericks
How to pip or easy_install tkinter on Windows
Python
Python 2.7
Tkinter
Pip
Easy Install
Django Rest Framework File Upload
Python
Django
Angularjs
Django Rest-Framework
Assert that a method was called with one argument out of several
Python
Unit Testing
Python can't find module in the same folder
Python
Module
How to migrate back from initial migration in Django 1.7?
Python
Django
Django 1.7
Django Migrations
subsampling every nth entry in a numpy array
Python
Arrays
Numpy
Loading a file with more than one line of JSON into Pandas
Python
Json
Python 2.7
Pandas
Type hinting / annotation (PEP 484) for numpy.ndarray
Python
Python 3.x
Numpy
Type Hinting
Python Typing
Plt.show shows full graph but savefig is cropping the image
Python
Matplotlib
How to share x axes of two subplots after they have been created
Python
Matplotlib
Share
Axis
What is the difference between using loc and using just square brackets to filter for columns in Pandas/Python?
Python
Pandas
Dataframe
Upgrade to python 3.8 using conda
Python
Python 3.x
Anaconda
Conda
docker.errors.DockerException: Error while fetching server API version
Python
Linux
Docker
Docker Compose
How do I read text from the clipboard?
Python
Windows
Interop
Clipboard
Python element-wise tuple operations like sum
Python
Tuples
Why is Bubble Sort implementation looping forever?
Python
Algorithm
Sorting
Bubble Sort
Set Django IntegerField by choices=... name
Python
Django
Django Models
How to exit an if clause
Python
Control Flow
How to fix "ImportError: No module named ..." error in Python?
Python
Read and overwrite a file in Python
Python
File
Overwrite
What does a b prefix before a python string mean?
Python
Syntax
Python 3.x
Byte
Where are the python modules stored?
Python
Directory
Module
Expand Python Search Path to Other Source
Python
Search
Import
Path
The modulo operation on negative numbers in Python
Python
Modulo
Negative Number
End of support for python 2.7?
Python
Python 3.x
Python 2.7
Python 2.x
Output to the same line overwriting previous output?
Python
Refresh
Progress Bar
raw_input function in Python
Python
Python 2.x
binning data in python with scipy/numpy
Python
Numpy
Scipy
Scientific Computing
Generics/templates in python?
Python
Templates
Generic Programming
Import module from subfolder
Python
Import
Module
Subdirectory
Quick and easy file dialog in Python?
Python
Openfiledialog
Best way to generate random file names in Python
Python
Random
Hash
Writing a dict to txt file and reading it back?
Python
Flatten list of lists
Python
Arrays
List
Brackets
Why (0-6) is -6 = False?
Python
Debugging
Integer
Cpython
Loading and parsing a JSON file with multiple JSON objects
Python
Json
File
Jsonlines
Python module os.chmod(file, 664) does not change the permission to rw-rw-r-- but -w--wx----
Python
File
Permissions
Chmod
How to use hex() without 0x in Python?
Python
Converting strings to floats in a DataFrame
Python
Pandas
How do I convert strings in a Pandas data frame to a 'date' data type?
Python
Date
Pandas
Test if numpy array contains only zeros
Python
Numpy
pip installing in global site-packages instead of virtualenv
Python
Macos
Virtualenv
Pip
When import docx in python3.3 I have error ImportError: No module named 'exceptions'
Python
Python 3.x
Python Docx
How to avoid HTTP error 429 (Too Many Requests) python
Python
Http
Mechanize
Http Status-Code-429
NumPy selecting specific column index per row by using a list of indexes
Python
Numpy
Django using get_user_model vs settings.AUTH_USER_MODEL
Python
Django
Convert pandas Series to DataFrame
Python
Pandas
Dataframe
Series
Appending to list in Python dictionary
Python
List
Python 3.x
Dictionary
How to unzip gz file using Python
Python
Python 2.7
Gzip
Making an asynchronous task in Flask
Python
Asynchronous
Flask
What is the difference between size and count in pandas?
Python
Pandas
Numpy
Nan
Difference
Docker how to run pip requirements.txt only if there was a change?
Python
Docker
Dockerfile
Conda command not found
Python
Zsh
Anaconda
Miniconda
What are the pros and cons between get_dummies (Pandas) and OneHotEncoder (Scikit-learn)?
Python
Pandas
Machine Learning
Scikit Learn
Dummy Variable
How to load jinja template directly from filesystem
Python
Templates
Jinja2
Permission denied when activating venv
Python
Macos
Python dataclass from a nested dict
Python
Python 3.x
Python Dataclasses
sqlalchemy.exc.NoSuchModuleError: Can't load plugin: sqlalchemy.dialects:postgres
Python
Postgresql
Sqlalchemy
Flask Sqlalchemy
Psycopg2
Pretty graphs and charts in Python
Python
Graphics
Getting MAC Address
Python
Windows
Linux
Networking
Activate a virtualenv via fabric as deploy user
Python
Virtualenv
Fabric
Automated Deploy
Filter by property
Python
Django
Orm
Is there an easy way to pickle a python function (or otherwise serialize its code)?
Python
Function
Pickle
Python subprocess.Popen "OSError: [Errno 12] Cannot allocate memory"
Python
Linux
Memory
Python : List of dict, if exists increment a dict value, if not append a new dict
Python
Loops
List
Tuples
How to check if a list is empty in Python?
Python
List
How to implement a binary tree?
Python
Algorithm
Search
Data Structures
Binary Tree
Converting an RGB color tuple to a hexidecimal string
Python
Colors
Hex
Rgb
How is __eq__ handled in Python and in what order?
Python
Comparison
User Defined
How can I get all the request headers in Django?
Python
Django
Http Headers
Httprequest
How should I structure a Python package that contains Cython code
Python
Packaging
Cython
When to use os.name, sys.platform, or platform.system?
Python
Operating System
Python Import
How to construct a timedelta object from a simple string
Python
Datetime
Timedelta
How do you set your pythonpath in an already-created virtualenv?
Python
Linux
Unix
Virtualenv
How to read keyboard-input?
Python
Input
Keyboard
Python regex find all overlapping matches?
Python
Regex
Overlapping
Thread Safety in Python's dictionary
Python
Multithreading
Dictionary
Thread Safety
Using Python String Formatting with Lists
Python
String
List
Formatting
String Formatting
JavaScript function similar to Python range()
Javascript
Python
Django: Calculate the Sum of the column values through query
Python
Django
Django filter queryset __in for *every* item in list
Python
Django
Filter
Django Queryset
Using .sort with PyMongo
Python
Mongodb
Pymongo
sphinx-build fail - autodoc can't import/find module
Python
Python Sphinx
Autodoc
Use logging print the output of pprint
Python
Logging
Pprint
Cannot kill Python script with Ctrl-C
Python
Linux
pycharm convert tabs to spaces automatically
Python
Pycharm
Where should virtualenvs be created?
Python
Virtualenv
Virtualenvwrapper
Complexity of *in* operator in Python
Python
Time Complexity
Login credentials not working with Gmail SMTP
Python
Authentication
Smtp
Smtp Auth
List Highest Correlation Pairs from a Large Correlation Matrix in Pandas?
Python
Pandas
Correlation
What does 'killed' mean when a processing of a huge CSV with Python, which suddenly stops?
Python
Csv
Etl
Kill
Pandas groupby cumulative sum
Python
Pandas
Pandas Groupby
Solve Cross Origin Resource Sharing with Flask
Javascript
Python
Ajax
Flask
Cors
python how to pad numpy array with zeros
Python
Arrays
Numpy
Pad
What's the fastest way of checking if a point is inside a polygon in python
Python
Matplotlib
How can I compare two ordered lists in python?
Python
Python: Pandas pd.read_excel giving ImportError: Install xlrd >= 0.9.0 for Excel support
Python
Excel
Python 2.7
Pandas
Flake8: Ignore specific warning for entire file
Python
Flake8
Revert the `--no-site-packages` option with virtualenv
Python
Virtualenv
SqlAlchemy - Filtering by Relationship Attribute
Python
Filter
Sqlalchemy
Foreign Keys
Iterate an iterator by chunks (of n) in Python?
Python
Iterator
How to get the value of a variable given its name in a string?
Python
String
Variables
Check whether a path is valid in Python without creating a file at the path's target
Python
Filesystems
Filepath
How to ignore the first line of data when processing CSV data?
Python
Csv
Permanently adding a file path to sys.path in Python
Python
sys.path
flask-sqlalchemy or sqlalchemy
Python
Flask
Orm
Sqlalchemy
Flask Sqlalchemy
List comprehension with if statement
Python
If Statement
List Comprehension
What is the difference between NaN and None?
Python
Numpy
Pandas
Nan
Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
Python
Numpy
Pandas
Two versions of python on linux. how to make 2.7 the default
Python
Linux
Centos
Run an OLS regression with Pandas Data Frame
Python
Pandas
Scikit Learn
Regression
Statsmodels
Joining pandas DataFrames by Column names
Python
Pandas
Dataframe
linux tee is not working with python?
Python
Linux
Tee
importing pyspark in python shell
Python
Apache Spark
Pyspark
Decorator execution order
Python
Decorator
Python Decorators
How to pass another entire column as argument to pandas fillna()
Python
Pandas
Fillna
How to rotate x-axis tick labels in a pandas plot
Python
Pandas
Matplotlib
Is "x < y < z" faster than "x < y and y < z"?
Python
Performance
How to add a suffix (or prefix) to each column name?
Python
Pandas
Dataframe
Where is pip cache folder?
Python
Pip
python pandas dataframe, is it pass-by-value or pass-by-reference
Python
Pandas
Pass by-Reference
Pass by-Value
Convert List to Pandas Dataframe Column
Python
List
Pandas
Dataframe
When to create a new app (with startapp) in Django?
Python
Django
Render HTML to PDF in Django site
Python
Html
Django
Pdf
Pdf Generation
About Python's built in sort() method
Python
Algorithm
Sorting
Python Internals
How do I remove whitespace from the end of a string in Python?
Python
python assert with and without parenthesis
Python
Assert
Parentheses
How to convert a negative number to positive?
Python
Numbers
Absolute Value
List comprehension rebinds names even after scope of comprehension. Is this right?
Python
Binding
List Comprehension
Rank items in an array using Python/NumPy, without sorting array twice
Python
Sorting
Numpy
Parse config files, environment, and command-line arguments, to get a single collection of options
Python
Environment Variables
Command Line-Arguments
Configuration Files
Assignment inside lambda expression in Python
Python
Lambda
Expression
Variable Assignment
Using print statements only to debug
Python
Python Process Pool non-daemonic?
Python
Multiprocessing
Pool
pypi UserWarning: Unknown distribution option: 'install_requires'
Python
Distutils
Pypi
Pass parameter to fabric task
Python
Fabric
How to beautify JSON in Python?
Python
Json
Command Line
How to change a django QueryDict to Python Dict?
Python
Django
How can I install from a git subdirectory with pip?
Python
Git
Pip
Tool to convert Python code to be PEP8 compliant
Python
Coding Style
Pep8
In Python list comprehension is it possible to access the item index?
Python
List
List Comprehension
ImportError in importing from sklearn: cannot import name check_build
Python
Numpy
Scipy
Scikit Learn
How exactly does the python any() function work?
Python
Use curly braces to initialize a Set in Python
Python
Python 2.7
Set
Why does random.shuffle return None?
Python
List
Random
Shuffle
Add a prefix to all Flask routes
Python
Routes
Flask
Python OpenCV2 (cv2) wrapper to get image size?
Python
Image
Opencv
Numpy
plot different color for different categorical levels using matplotlib
Python
Pandas
Matplotlib
Seaborn
Visualization
Can Pandas plot a histogram of dates?
Python
Pandas
Matplotlib
Time Series
Reading tab-delimited file with Pandas - works on Windows, but not on Mac
Python
Macos
Pandas
Import
Csv
'module' has no attribute 'urlencode'
Python
Python 3.x
Urllib
Python Pandas equivalent in JavaScript
Javascript
Python
Pandas
Is there a way in Pandas to use previous row value in dataframe.apply when previous value is also calculated in the apply?
Python
Pandas
Dataframe
For Loop
Iteration
Why would one use both, os.path.abspath and os.path.realpath?
Python
Apply function to each cell in DataFrame
Python
Pandas
Dataframe
Apply
How is Anaconda related to Python?
Python
Python 3.x
Anaconda
Python pathlib make directories if they don’t exist
Python
Pathlib
How to downgrade python from 3.7 to 3.6
Python
Python 3.x
What is the best way to get all the divisors of a number?
Python
Algorithm
Math
How can I use UUIDs in SQLAlchemy?
Python
Postgresql
Sqlalchemy
How can I use numpy.correlate to do autocorrelation?
Python
Math
Numpy
Numerical Methods
Using python map and other functional tools
Python
Dictionary
Functional Programming
How do I calculate r-squared using Python and Numpy?
Python
Math
Statistics
Numpy
Curve Fitting
What is the most compatible way to install python modules on a Mac?
Python
Macos
Module
Packages
Macports
Inserting the same value multiple times when formatting a string
Python
String
Format
How to compare times of the day?
Python
Time
How can I reorder a list?
Python
Set attributes from dictionary in python
Python
Dictionary
Properties
Attributes
Initialization
Python, add trailing slash to directory string, os independently
Python
String
How to write header row with csv.DictWriter?
Python
Csv
How do I get a string format of the current date time, in python?
Python
Datetime
month name to month number and vice versa in python
Python
Python class definition syntax
Python
Class
ctypes - Beginner
Python
Python 3.x
Ctypes
Checking if all elements in a list are unique
Python
Algorithm
List
Unique
How to know function return type and argument types?
Python
Types
Iterate through pairs of items in a Python list
Python
List
Loops
Python function as a function argument?
Python
Function
Arguments
How do I save and restore multiple variables in python?
Python
Variables
Object
Unpacking, extended unpacking and nested extended unpacking
Python
Python 3.x
Iterable Unpacking
Argument Unpacking
Simpler way to put PDB breakpoints in Python code?
Python
Pdb
Efficient evaluation of a function at every cell of a NumPy array
Python
Performance
Function
Numpy
Vectorization
In Python, when should I use a function instead of a method?
Python
Function
Coding Style
Methods
Aren't Python strings immutable? Then why does a + " " + b work?
Python
String
Immutability
Mutability
Python datetime formatting without zero-padding
Python
Datetime
Formatting
Zero Pad
Why does Python give the "wrong" answer for square root? What is integer division in Python 2?
Python
Math
Python 2.x
Sqrt
Python - 'ascii' codec can't decode byte
Python
Python 2.7
Unicode
Python 2.x
Python Unicode
Python extending with - using super() Python 3 vs Python 2
Python
Inheritance
Configparser
How to shift a column in Pandas DataFrame
Python
Pandas
Dataframe
Extract elements of list at odd positions
Python
List
Slice
How to identify numpy types in python?
Python
Numpy
Duck Typing
Dynamic Typing
Import pandas dataframe column as string not int
Python
Pandas
Casting
Type Conversion
Dtype
ImportError: No module named six
Python
Module
Importerror
Call Python script from bash with argument
Python
Linux
Bash
Shell
Debian
Python os.path.join() on a list
Python
Python 2.7
os.path
Getting "Permission Denied" when running pip as root on my Mac
Python
Macos
Pip
Sudo
Case Insensitive Flask-SQLAlchemy Query
Python
Sqlalchemy
Flask Sqlalchemy
Case Insensitive
Get date from week number
Python
Datetime
Strptime
How to set the matplotlib figure default size in ipython notebook?
Python
Matplotlib
Jupyter Notebook
Retrieving a Foreign Key value with django-rest-framework serializers
Python
Django
Django Rest-Framework
How do I add custom field to Python log format string?
Python
Logging
Python: How to get stdout after running os.system?
Python
Python 2.7
Stdout
Stderr
os.system
Python convert tuple to string
Python
String
Tuples
How to determine whether a column/variable is numeric or not in Pandas/NumPy?
Python
Pandas
Numpy
Numpy `logical_or` for more than two arguments
Python
Arrays
Numpy
What is the good python3 equivalent for auto tuple unpacking in lambda?
Python
Python 3.x
How to convert int to Enum in python?
Python
Python 2.7
Enums
Int
Type Conversion
Apply function to each element of a list
Python
List
Function
Appending pandas dataframes generated in a for loop
Python
Pandas
How to add a title to Seaborn Facet Plot
Python
Visualization
Seaborn
How do I create a new column from the output of pandas groupby().sum()?
Python
Pandas
Group By
Pandas Groupby
How to get Python requests to trust a self signed SSL certificate?
Python
Ssl
Python Requests
Need to install urllib2 for Python 3.5.1
Python
Python 3.x
Urllib2
Numpy isnan() fails on an array of floats (from pandas dataframe apply)
Python
Arrays
Numpy
Pandas
How to enable a virtualenv in a systemd service unit?
Python
Environment Variables
Virtualenv
How to get absolute path of a pathlib.Path object?
Python
Python 3.x
Pathlib
Loading a trained Keras model and continue training
Python
Tensorflow
Neural Network
Keras
Resuming Training
How to set environment variables in PyCharm?
Python
Django
Environment Variables
How do I test if int value exists in Python Enum without using try/catch?
Python
Enums
'DataFrame' object has no attribute 'sort'
Python
Pandas
Numpy
Dataframe
Google Colaboratory: misleading information about its GPU (only 5% RAM available to some users)
Python
Machine Learning
Gpu
Ram
Google Colaboratory
Pytesseract : "TesseractNotFound Error: tesseract is not installed or it's not in your path", how do I fix this?
Python
Tesseract
Is there a benefit to defining a class inside another class in Python?
Python
Oop
Feedback on using Google App Engine?
Python
Django
Google App-Engine
How to make a cross-module variable?
Python
Module
Global
Preserving signatures of decorated functions
Python
Decorator
Outputting data from unit test in Python
Python
Unit Testing
How do I implement __getattribute__ without an infinite recursion error?
Python
Class
Getattr
Is there a standard way to list names of Python modules in a package?
Python
Module
Package
How to check if there exists a process with a given pid in Python?
Python
Process
Pid
How to include external Python code to use in other files?
Python
Python __str__ and lists
Python
How to sort objects by multiple keys?
Python
Sorting
Dictionary
How do I detect if Python is running as a 64-bit application?
Python
64 Bit
Getting SyntaxError for print with keyword argument end=' '
Python
One-liner to check whether an iterator yields at least one element?
Python
Iterator
Python: Select subset from list based on index set
Python
List
Python [Errno 98] Address already in use
Python
Sockets
Connection
Errno
How to write string literals in python without having to escape them?
Python
String
Escaping
Inserting a string into a list without getting split into characters
Python
Calling Python in Java?
Java
Python
Jython
Have the same README both in Markdown and reStructuredText
Python
Github
Markdown
Restructuredtext
Pypi
How to tell py.test to skip certain directories?
Python
Unit Testing
Pytest
Is there a numpy builtin to reject outliers from a list
Python
Numpy
Python equivalent for PHP's implode?
Php
Python
Implode
Adding meta-information/metadata to pandas DataFrame
Python
Pandas
How to use dot notation for dict in python?
Python
Dictionary
Nested
Pandas aggregate count distinct
Python
Pandas
Group By
Aggregate
selecting from multi-index pandas
Python
Pandas
Dataframe
Multi Index
Python requests library how to pass Authorization header with single token
Python
Get
Authorization
Token
Python Requests
Numpy array assignment with copy
Python
Arrays
Numpy
Selecting specific rows and columns from NumPy array
Python
Arrays
Numpy
Multidimensional Array
Numpy Slicing
Can't install Scipy through pip
Python
Scipy
How to surround selected text in PyCharm like with Sublime Text
Python
Sublimetext2
Pycharm
How can I check if a module has been imported?
Python
Python Import
What's the point of Django's collectstatic?
Python
Django
Django Staticfiles
Static Files
Collectstatic
How to write to a CSV line by line?
Python
String
File
Csv
Io
how to update spyder on anaconda
Python
Python 2.7
Anaconda
Spyder
Trying to merge 2 dataframes but get ValueError
Python
Pandas
Dataframe
How do I install Python packages in Google's Colab?
Python
Pip
Jupyter Notebook
Google Colaboratory
setup.py
Where is Python's sys.path initialized from?
Python
Path
Sys
How to drop into REPL (Read, Eval, Print, Loop) from Python code
Python
Interactive
Simple example of use of __setstate__ and __getstate__
Python
Serialization
Magic Methods
Inverse dictionary lookup in Python
Python
Dictionary
Best programming aids for a quadriplegic programmer
Python
Robotics
plot with custom text for x axis points
Python
Matplotlib
Move an item inside a list?
Python
List
nonlocal keyword in Python 2.x
Python
Closures
Python 2.x
Python Nonlocal
Can I install Python windows packages into virtualenvs?
Python
Windows
Virtualenv
Where to find the win32api module for Python?
Python
Winapi
What is for Python what 'explode' is for PHP?
Php
Python
String
How to clamp an integer to some range?
Python
Clamp
Printing without newline (print 'a',) prints a space, how to remove?
Python
String
Printing
Python 2.x
How to set True as default value for BooleanField on Django?
Python
Django
Django Models
Asterisk in function call
Python
Operators
Python SQL query string formatting
Python
Sql
String Formatting
Adding dictionaries together
Python
Dictionary
Append
Why can't I use a list as a dict key in python?
Python
List
Dictionary
Tuples
Hashable
Temporarily disable auto_now / auto_now_add
Python
Django
Datetime
Numpy: find first index of value fast
Python
Numpy
Find
Use numpy array in shared memory for multiprocessing
Python
Numpy
Multiprocessing
Shared
PEP 8, why no spaces around '=' in keyword argument or a default parameter value?
Python
Coding Style
Pep8
Convert RGBA PNG to RGB with PIL
Python
Png
Jpeg
Python Imaging-Library
Rgba
Download Returned Zip file from URL
Python
Url
Download
Zip
Urllib
Python equivalent of D3.js
Python
Graph
d3.js
Graph Tool
ValueError: math domain error
Python
Runtime Error
Logarithm
Single Line Nested For Loops
Python
Loops
For Loop
Nested
Nested Loops
Python - How to sort a list of lists by the fourth element in each list?
Python
List
Sorting
What does hash do in python?
Python
Hash
ImportError: DLL load failed: %1 is not a valid Win32 application. But the DLL's are there
Python
Opencv
Dll
Path
Does pandas iterrows have performance issues?
Python
Performance
Pandas
Iteration
Plotting categorical data with pandas and matplotlib
Python
Pandas
Can I move a virtualenv?
Python
Python 3.x
Virtualenv
Virtualenv Commands
Python check if isinstance any type in list?
Python
Types
Isinstance
When should we call multiprocessing.Pool.join?
Python
Python Multiprocessing
How to add a custom CA Root certificate to the CA Store used by pip in Windows?
Python
Windows
Ssl
Pip
How to copy a file to a remote server in Python using SCP or SSH?
Python
Ssh
Automation
Scp
Is there an easy way to request a URL in python and NOT follow redirects?
Python
Http
Redirect
What is the recommended way to use Vim folding for Python code
Python
Vim
Folding
Django: multiple models in one template using forms
Python
Django
Django Forms
How to import classes defined in __init__.py
Python
Packages
multiprocessing: sharing a large read-only object between processes?
Python
Multiprocessing
How to calculate cumulative normal distribution?
Python
Numpy
Scipy
Statistics
What is the correct way to document a **kwargs parameter?
Python
Python Sphinx
Autodoc
How to override the copy/deepcopy operations for a Python object?
Python
Python Internals
Cost of exception handlers in Python
Python
Performance
Exception
Micro Optimization
How should I put try/except in a single line?
Python
Destructuring-bind dictionary contents
Python
Sorting
Dictionary
Python Nose Import Error
Python
Nose
Python Import
How do I pipe a subprocess call to a text file?
Python
Shell
Subprocess
python location on mac osx
Python
Macos
How can I remove non-ASCII characters but leave periods and spaces?
Python
Text
Unicode
Filter
Ascii
Celery Received unregistered task of type (run example)
Python
Celery
How to select Python version in PyCharm?
Python
Configuration
Pycharm
Output data from all columns in a dataframe in pandas
Python
Pandas
Confused about __str__ on list in Python
Python
String
List
Printing
Tostring
Construct pandas DataFrame from items in nested dictionary
Python
Pandas
Dataframe
Multi Index
Matplotlib discrete colorbar
Python
Matplotlib
Way to read first few lines for pandas dataframe
Python
Pandas
Csv
Dataframe
Most efficient way to find mode in numpy array
Python
Numpy
2d
Mode
Flask-SQLAlchemy how to delete all rows in a single table
Python
Sqlalchemy
Flask Sqlalchemy
'python' is not recognized as an internal or external command
Python
Cmd
What does Pythonic mean?
Python
Python: get a frequency count based on two columns (variables) in pandas dataframe some row appers
Python
Pandas
Group By
Dataframe
How to use sklearn fit_transform with pandas and return dataframe instead of numpy array?
Python
Numpy
Pandas
Scikit Learn
What is the difference between i = i + 1 and i += 1 in a 'for' loop?
Python
Loops
Numpy
Operators
Useful code which uses reduce()?
Python
Functional Programming
What is "thread local storage" in Python, and why do I need it?
Python
Multithreading
Thread Local
os.walk without digging into directories below
Python
File
os.walk
How can I check if an ip is in a network in Python?
Python
Networking
Ip Address
Cidr
Calling a base class's classmethod in Python
Python
Class
Overriding
Class Method
How to print a list in Python "nicely"
Python
How to un-escape a backslash-escaped string?
Python
String
Escaping
What is the Bash equivalent of Python's pass statement
Python
Bash
Language Comparisons
deciding among subprocess, multiprocessing, and thread in Python?
Python
Multithreading
Parallel Processing
Regular Expressions: Search in list
Python
Regex
How to split/partition a dataset into training and test datasets for, e.g., cross validation?
Python
Arrays
Optimization
Numpy
Find oldest/youngest datetime object in a list
Python
Datetime
Compare
How to assert output with nosetest/unittest in python?
Python
Unit Testing
Nosetests
Python Nose
One line ftp server in python
Python
Ftp
Ftp Server
Bypass confirmation prompt for pip uninstall
Python
Django
Module
Pip
Easy Install
String slugification in Python
Python
Slug
How can I split and parse a string in Python?
Python
String
Parsing
Split
sqlalchemy: how to join several tables by one query?
Python
Sql
Join
Sqlalchemy
How to query database by id using SqlAlchemy?
Python
Sql
Model
Sqlalchemy
Python Selenium accessing HTML source
Python
Selenium
Selenium Webdriver
why is plotting with Matplotlib so slow?
Python
Matplotlib
How do I get the user agent with Flask?
Python
Flask
Code for Greatest Common Divisor in Python
Python
How to maximize a plt.show() window using Python
Python
Matplotlib
urllib2.HTTPError: HTTP Error 403: Forbidden
Python
Http
Urllib
How can I filter lines on load in Pandas read_csv function?
Python
Pandas
Plot different DataFrames in the same figure
Python
Matplotlib
Pandas
How to pass a user defined argument in scrapy spider
Python
Scrapy
Web Crawler
Python pandas: Keep selected column as DataFrame instead of Series
Python
Pandas
CSV new-line character seen in unquoted field error
Python
Django
Csv
How do I read a response from Python Requests?
Python
Python Requests
Skip rows during csv import pandas
Python
Pandas
Csv
Readfile
How to get text with Selenium WebDriver in Python
Python
Selenium
Run code before and after each test in py.test?
Python
Testing
Pytest
Test Fixture
pyvenv-3.4 returned non-zero exit status 1
Python
Unix
Python 3.x
Virtualenv
How to get attribute of element from Selenium?
Python
Selenium
Selenium Webdriver
Webdriver
Getattribute
Zsh: Conda/Pip installs command not found
Python
Pip
Zsh
Conda
Get folder name of the file in Python
Python
Python 3.x
Directory
How to read a Parquet file into Pandas DataFrame?
Python
Pandas
Dataframe
Parquet
Blaze
What's the purpose of tf.app.flags in TensorFlow?
Python
Tensorflow
Deep-Learning Nan loss reasons
Python
Tensorflow
Machine Learning
Keras
Theano
Getting TypeError: __init__() missing 1 required positional argument: 'on_delete' when trying to add parent table after child table with entries
Python
Django
Django Models
Django 2.0
Format numbers to strings in Python
Python
String Formatting
Which is more preferable to use: lambda functions or nested functions ('def')?
Python
Syntax
Function
Lambda
Get Element value with minidom with Python
Python
Dom
Minidom
How to dynamically compose an OR query filter in Django?
Python
Django
Django Q
Random hash in Python
Python
Hash
Md5
List all the modules that are part of a python package?
Python
Module
Packages
Introspection
Python Import
How to use a custom comparison function in Python 3?
Python
Sorting
Python 3.x
Windows can't find the file on subprocess.call()
Python
Path
Python 3.x
Why declare unicode by string in python?
Python
Encoding
Utf 8
How to completely remove Python from a Windows machine?
Python
Installation
Uninstallation
Should I use a class or dictionary?
Python
Oop
Class
Dictionary
How to sort my paws?
Python
Image Processing
Matplotlib figure facecolor (background color)
Python
Matplotlib
Python - use list as function parameters
Python
List
Function Parameter
How to find the min/max value of a common key in a list of dicts?
Python
List
Dictionary
Max
Min
What is the equivalent of "none" in django templates?
Python
Django
Django Forms
Django Templates
Django Views
Understanding the "is" operator
Python
Operators
Import CSV file as a pandas DataFrame
Python
Pandas
Csv
Dataframe
Passing an integer by reference in Python
Python
Function
Pass by-Reference
Pass by-Value
Using python's mock patch.object to change the return value of a method called within another method
Python
Unit Testing
Mocking
Patch
Why does Pylint object to single-character variable names?
Python
Pylint
Naming Conventions
How to lowercase a pandas dataframe string column if it has missing values?
Python
String
Pandas
Missing Data
Plotting with seaborn using the matplotlib object-oriented interface
Python
Oop
Matplotlib
Seaborn
how to check which version of nltk, scikit learn installed?
Python
Linux
Shell
Scikit Learn
Nltk
Difference between coroutine and future/task in Python 3.5?
Python
Python 3.x
Python Asyncio
enumerate() for dictionary in Python
Python
Python 3.x
Dictionary
Enumerate
Return string with first match for a regex, handling case where there is no match
Python
Regex
What is the point of uWSGI?
Python
Nginx
Flask
Wsgi
Uwsgi
How do I get rid of the b-prefix in a string in python?
Python
How to Install pip for python 3.7 on Ubuntu 18?
Python
Ubuntu
Pip
Python coding standards/best practices
Python
Coding Style
How to jump to a particular line in a huge text file?
Python
Text Files
Check to see if python script is running
Python
Process
Daemon
Resize fields in Django Admin
Python
Django
Django Models
Django Admin
Operation on every pair of element in a list
Python
Identify groups of continuous numbers in a list
Python
List
Range
Continuous
Split a string at uppercase letters
Python
Regex
String
Getting a machine's external IP address with Python
Python
Standard Library
Python way to clone a git repository
Python
Git
Module
Abstract attributes in Python
Python
Oop
Scala
Abstract Class
Output first 100 characters in a string
Python
Assert that a method was called in a Python unit test
Python
Unit Testing
Do regular expressions from the re module support word boundaries (\b)?
Python
Regex
Word Boundaries
What is a good way to handle exceptions when trying to read a file in python?
Python
Python 2.7
Exception
File Io
I need to securely store a username and password in Python, what are my options?
Python
Security
Encryption
Rename an environment with virtualenvwrapper
Python
Virtualenv
Virtualenvwrapper
How do I pass extra arguments to a Python decorator?
Python
Python 2.7
Python Decorators
String concatenation of two pandas columns
Python
String
Pandas
Numpy
Dataframe
Calling filter returns <filter object at ... >
Python
List
Python 3.x
Filter
float64 with pandas to_csv
Python
Numpy
Pandas
Custom sorting in pandas dataframe
Python
Pandas
How to reset db in Django? I get a command 'reset' not found error
Python
Database
Django
Reset
random.choice from set? python
Python
List
Set
Plot a bar using matplotlib using a dictionary
Python
Matplotlib
Plot
virtualenvwrapper and Python 3
Python
Python 3.x
Virtualenvwrapper
Replacing Numpy elements if condition is met
Python
Arrays
Numpy
Conditional
Pandas selecting by label sometimes return Series, sometimes returns DataFrame
Python
Pandas
Dataframe
Slice
Series
TemplateDoesNotExist - Django Error
Python
Django
Django Rest-Framework
Annotate bars with values on Pandas bar plots
Python
Matplotlib
Plot
Pandas
Dataframe
Plotting a fast Fourier transform in Python
Python
Numpy
Scipy
Fft
python: get directory two levels up
Python
Path
Operating System
Directory
Convert Column to Date Format (Pandas Dataframe)
Python
Pandas
Load CSV file with Spark
Python
Csv
Apache Spark
Pyspark
Apache Spark-Sql
Tensorflow Strides Argument
Python
Neural Network
Convolution
Tensorflow
Conv Neural-Network
Python Django Rest Framework UnorderedObjectListWarning
Python
Django
Django Rest-Framework
Meaning of python -m flag
Python
Python 3.x
Pip
How do I get the filepath for a class in Python?
Python
Class
Introspection
Nested classes' scope?
Python
Class
Scope
Nested
Inner Classes
How to make a 3D scatter plot in matplotlib
Python
3d
Matplotlib
Plot
Scatter Plot
Determining Whether a Directory is Writeable
Python
File
Permissions
Directory
Operating System
OperationalError: database is locked
Python
Django
Database
Sqlite
Locked
while (1) vs. while(True) -- Why is there a difference (in python 2 bytecode)?
Python
Best way to find the months between two dates
Python
Datetime
Monthcalendar
Date Math
how to "reimport" module to python then code be changed after import
Python
Runtime
Ipython
Overloading
Python Import
How to raise a ValueError?
Python
String
Python/Django: log to console under runserver, log to file under Apache
Python
Django
Logging
How to tell if string starts with a number with Python?
Python
String
Digits
How to use Sphinx's autodoc to document a class's __init__(self) method?
Python
Python Sphinx
Autodoc
How can I convert a string with dot and comma into a float in Python
Python
Type Conversion
Python module with a dash, or hyphen (-) in its name
Python
Module
Import
Google Authenticator implementation in Python
Python
Security
Authentication
One Time-Password
Google Authenticator
UnicodeDecodeError: 'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128)
Python
Django
Utf 8
How does assignment work with list slices?
Python
List
Slice
What are the different use cases of joblib versus pickle?
Python
Pickle
Scikit Learn
Replace all non-alphanumeric characters in a string
Python
Pros and cons to use Celery vs. RQ
Python
Redis
Celery
Scheduled Tasks
Python Rq
Django URL Redirect
Python
Django
Django Urls
Simple way to create matrix of random numbers
Python
Random
Coding Style
How Pony (ORM) does its tricks?
Python
Orm
Metaprogramming
Dsl
Ponyorm
Where do I find the bashrc file on Mac?
Python
Macos
Homebrew
Splitting dataframe into multiple dataframes
Python
Split
Pandas
Dataframe
Pandas: filling missing values by mean in each group
Python
Pandas
Pandas Groupby
Imputation
Fillna
Comparing two dataframes and getting the differences
Python
Pandas
Dataframe
How to pass dictionary items as function arguments in python?
Python
Function
Python 2.7
Dictionary
Pandas df.to_csv("file.csv" encode="utf-8") still gives trash characters for minus sign
Python
Csv
Utf 8
Pandas
ImportError: No module named 'MySQL'
Python
Mysql
How do I multiply each element in a list by a number?
Python
List
In python, how do I cast a class object to a dict
Python
What's the meaning of "(1,) == 1," in Python?
Python
Tuples
Equals Operator
How can I perform two-dimensional interpolation using scipy?
Python
Scipy
Interpolation
Why in Python does "0, 0 == (0, 0)" equal "(0, False)"?
Python
Tuples
Operator Precedence
How do "and" and "or" act with non-boolean values?
Python
Operators
Logical Operators
How exactly does a generator comprehension work?
Python
Searching a list of objects in Python
Python
looping over all member variables of a class in python
Python
Format floats with standard json module
Python
Json
Formatting
Floating Point
Python: reload component Y imported with 'from X import Y'?
Python
Python Import
Where in a virtualenv does the custom code go?
Python
Project
Virtualenv
How does zip(*[iter(s)]*n) work in Python?
Python
Iterator
Debugging (displaying) SQL command sent to the db by SQLAlchemy
Python
Sqlalchemy
What is the difference between 'log' and 'symlog'?
Python
Matplotlib
Scale
Logarithm
How to convert Nonetype to int or string?
Python
Should __ne__ be implemented as the negation of __eq__?
Python
Comparison
Operators
Inequality
Python Datamodel
Django Model Field Default Based Off Another Field in Same Model
Python
Django
Django Models
"ValueError: zero length field name in format" error in Python 3.0,3.1,3.2
Python
Debugging
Is it Pythonic to use list comprehensions for just side effects?
Python
List Comprehension
Multiple columns index when using the declarative ORM extension of sqlalchemy
Python
Database
Orm
Indexing
Sqlalchemy
Python Glob without the whole path - only the filename
Python
Glob
Handling backreferences to capturing groups in re.sub replacement pattern
Python
Regex
how to split an iterable in constant-size chunks
Python
Algorithm
Generator
Chunking
heapq with custom compare predicate
Python
Algorithm
Sorting
Dictionary
Containers
How to check task status in Celery?
Python
Web Services
Celery
Django Celery
Good uses for mutable function argument default values?
Python
Arguments
Default Value
Mutable
Argmax of numpy array returning non-flat indices
Python
Multidimensional Array
Numpy
How do I send a POST request as a JSON?
Python
Json
Http
Url
Post
threading.Timer - repeat function every 'n' seconds
Python
Multithreading
Timer
Python Multithreading
How to find the maximum value in a list of tuples?
Python
List
Tuples
How to run a python script from IDLE interactive shell?
Python
Shell
Command Line
Python Idle
How to turn on line numbers in IDLE?
Python
Python Idle
Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
Python
Django
Settings
Whats the difference between a module and a library in Python?
Python
Module
Package
python selenium click on button
Python
Selenium
Selenium Webdriver
Onclick
Click
python BeautifulSoup parsing table
Python
Beautifulsoup
filter items in a python dictionary where keys contain a specific string
Python
Python 2.7
Dictionary
Filtering
Python Flask Intentional Empty Response
Python
Flask
Response
Cannot display HTML string
Android
Python
Html
Webview
Remove index name in pandas
Python
Pandas
Indexing
Rowname
What exactly does numpy.exp() do?
Python
Numpy
Statistics
Exp
Python pickle error: UnicodeDecodeError
Python
Pickle
Textblob
ImportError: No module named pandas
Python
Pandas
What does an 'r' represent before a string in python?
Python
Python 2.7
Pandas split DataFrame by column value
Python
Pandas
Dataframe
Indexing
Split
What is the proper way to determine if an object is a bytes-like object in Python?
Python
Python 3.x
asyncio.ensure_future vs. BaseEventLoop.create_task vs. simple coroutine?
Python
Python 3.x
Python 3.5
Coroutine
Python Asyncio
Extract first and last row of a dataframe in pandas
Python
Pandas
Python - Convert a bytes array into JSON format
Python
Json
Compiling Python to WebAssembly
Python
Emscripten
Webassembly
Disable auto wrap long line in Visual Studio Code
Python
Visual Studio-Code
Pylint
auth.User.groups: (fields.E304) Reverse accessor for 'User.groups' clashes with reverse accessor for 'UserManage.groups'
Python
Django
Project structure for Google App Engine
Python
Google App-Engine
How to make a python, command-line program autocomplete arbitrary things NOT interpreter
Python
Linux
Unix
Command Line
Autocomplete
Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
Python
How can I detect if a file is binary (non-text) in Python?
Python
File
Binary
Invalid syntax when using "print"?
Python
Get __name__ of calling function's module in Python
Python
Stack Trace
Introspection
django templates: include and extends
Python
Django
Django Templates
How can strings be concatenated?
Python
String
Concatenation
How to round the minute of a datetime object
Python
Datetime
Rounding
How can I find the union of two Django querysets?
Python
Django
Django Models
Sort a list of lists with a custom compare function
Python
List
Sorting
Callback
Getting the return value of Javascript code in Selenium
Javascript
Python
Selenium
Selenium Webdriver
Split models.py into several files
Python
Django
Django Models
Import
How to make unicode string with python3
Python
Unicode
Python 3.x
Get name of current class?
Python
Class
Disable IPython Exit Confirmation
Python
Ipython
Python split() without removing the delimiter
Python
Split
Delimiter
Zip with list output instead of tuple
Python
List
Zip
How to stop Flask from initialising twice in Debug Mode?
Python
Flask
How do I add a path to PYTHONPATH in virtualenv
Python
Virtualenv
Converting Django QuerySet to pandas DataFrame
Python
Django
Pandas
Why #egg=foo when pip-installing from git repo
Python
Package
Pip
List comprehension: Returning two (or more) items for each item
Python
List Comprehension
What is the difference between "datetime.timedelta" and "dateutil.relativedelta.relativedelta" when working only with days?
Python
Datetime
Timedelta
Why is pow(a, d, n) so much faster than a**d % n?
Python
Performance
Pypy
When should an attribute be private and made a read-only property?
Python
Properties
Private
Readonly
Get the latest record with filter in Django
Python
Django
Django Models
Django Queryset
Does Python have a toString() equivalent, and can I convert a class to String?
Python
Django Templates
Post-install script with Python setuptools
Python
Setuptools
Software Distribution
setup.py
Pypi
Does Python support multithreading? Can it speed up execution time?
Python
Multithreading
Pandas Groupby Range of Values
Python
Group By
Pandas
Convert number strings with commas in pandas DataFrame to float
Python
Pandas
Problems with pip install numpy - RuntimeError: Broken toolchain: cannot link a simple C program
Python
Numpy
Virtualenv
Pip
How to install PyQt4 on Windows using pip?
Python
Python 3.x
Pyqt
Pyqt4
Pip
How to convert webpage into PDF by using Python
Python
Html
Pdf
Qprinter
Dump to JSON adds additional double quotes and escaping of quotes
Python
Json
Python, Pandas : write content of DataFrame into text File
Python
Pandas
File Io
Django rest framework serializing many to many field
Python
Django
Django Models
Django Rest-Framework
Django Serializer
Connecting to Microsoft SQL server using Python
Python
Sql
Windows
Using the same option multiple times in Python's argparse
Python
Argparse
Multiple Arguments
Python PIP Install throws TypeError: unsupported operand type(s) for -=: 'Retry' and 'int'
Python
Pip
What does "'tests' module incorrectly imported" mean?
Python
Django
How to upgrade pip3?
Python
Linux
Python 3.x
Display rows with one or more NaN values in pandas dataframe
Python
Pandas
Dataframe
Nan
Pythonic type hints with pandas?
Python
Pandas
Type Hinting
How to delete all columns in DataFrame except certain ones?
Python
Pandas
Dataframe
Performance of Pandas apply vs np.vectorize to create new column from existing columns
Python
Arrays
Pandas
Performance
Numpy
Youtube_dl : ERROR : YouTube said: Unable to extract video data
Python
Python 3.x
Download
Youtube
Youtube Dl
How do you send a HEAD HTTP request in Python 2?
Python
Python 2.7
Http
Http Headers
Content Type
Python naming conventions for modules
Python
Naming Conventions
Difference between open and codecs.open in Python
Python
Unicode
Codec
Histogram Matplotlib
Python
Numpy
Matplotlib
Scipy
Histogram
How do I get a list of all the ASCII characters using Python?
Python
Ascii
How to implement the --verbose or -v option into a script?
Python
Option
matplotlib colorbar for scatter
Python
Colors
Matplotlib
Flask vs webapp2 for Google App Engine
Python
Google App-Engine
Flask
Webapp2
How to parse/read a YAML file into a Python object?
Python
Parsing
Yaml
sort eigenvalues and associated eigenvectors after using numpy.linalg.eig in python
Python
Sorting
Numpy
warnings.warn() vs. logging.warning()
Python
Logging
Warnings
What is a good way to order methods in a Python class?
Python
What do * and ** before a variable name mean in a function signature?
Python
Save multiple plots in a single PDF file
Python
Matplotlib
How to mock a readonly property with mock?
Python
Unit Testing
Mocking
Pytest
Matplotlib Legends not working
Python
Plot
Matplotlib
openpyxl - adjust column width size
Python
Openpyxl
How to manually install a pypi module without pip/easy_install?
Python
Installation
Pip
Growl
Save list of DataFrames to multisheet Excel spreadsheet
Python
Pandas
Openpyxl
Link to Flask static files with url_for
Python
Flask
Jinja2
How to change fonts in matplotlib (python)?
Python
Fonts
Matplotlib
How can I strip the whitespace from Pandas DataFrame headers?
Python
Pandas
Whitespace
Counting the number of non-NaN elements in a numpy ndarray in Python
Python
Numpy
Matrix
Nan
Java or Python for Natural Language Processing
Java
Python
Nlp
Pandas DataFrame stored list as string: How to convert back to list
Python
String
List
Pandas
Dataframe
Python Pandas : group by in group by and average?
Python
Pandas
Group By
Mean
Why is str.translate much faster in Python 3.5 compared to Python 3.4?
Python
String
Python 3.x
Python Internals
Python 3.5
Most pythonic way to interleave two strings
Python
String
Python 2.7
Python 3.x
Pycharm/Python OpenCV and CV2 install error
Python
Opencv
Pycharm
Warning about mutable default argument in PyCharm
Python
Pycharm
Warnings
How to resolve "dyld: Library not loaded: @executable_path.." error
Python
Virtualenv
Dyld
Executable Path
Will OrderedDict become redundant in Python 3.7?
Python
Python 3.x
Dictionary
Python 3.7
Ordereddict
ModuleNotFoundError: No module named 'distutils.core'
Python
Pycharm
Virtualenv
Python 3.6
How do you configure Django for simple development and deployment?
Python
Django
Character reading from file in Python
Python
Unicode
Encoding
Ascii
Can you list the keyword arguments a function receives?
Python
Arguments
Introspection
Validating with an XML schema in Python
Python
Xml
Validation
Xsd
Foreign key from one app into another in Django
Python
Django
Django Models
Is there a way to get the current ref count of an object in Python?
Python
Refcounting
How can you print a variable name in python?
Python
Dictionary
Variables
Introspection
Default value for field in Django model
Python
Django
Django Models
Django Admin
Can modules have properties the same way that objects can?
Python
Properties
Python Module
How do I use a Boolean in Python?
Python
Boolean
Why does csvwriter.writerow() put a comma after each character?
Python
Csv
Is python's sorted() function guaranteed to be stable?
Python
Sorted
Stable Sort
In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
Python
Django
Django Inheritance
What is the advantage of using static methods?
Python
Oop
Static Methods
Generating permutations with repetitions
Python
Permutation
Combinatorics
Copy multiple files in Python
Python
File
Copy
How to implement a good __hash__ function in python
Python
Hash
Compile (but do not run) a Python script
Python
Syntax Checking
Python: Append item to list N times
Python
List
How to merge multiple dicts with same key or different key?
Python
Python 3.x
Dictionary
Merge
How to do math in a Django template?
Python
Django
Django Templates
Differences between numpy.random and random.random in Python
Python
Random
Random Seed
Is module __file__ attribute absolute or relative?
Python
How should I write tests for Forms in Django?
Python
Django
Django Testing
Time complexity of python set operations?
Python
Data Structures
Set
Complexity Theory
Big O
Reload Flask app when template file changes
Python
Flask
Jinja2
Maximum value for long integer
Python
How to check if file is a symlink in Python?
Python
Operating System
Does Python have an immutable list?
Python
List
Tuples
Immutability
Amazon S3 boto - how to delete folder?
Python
Amazon Web-Services
Amazon S3
Boto
Python: importing a sub‑package or sub‑module
Python
Import
Module
Package
Python command not working in command prompt
Python
Windows
Windows 8
Command
Does Python have a stack/heap and how is memory managed?
Python
Memory
Memory Management
Python check instances of classes
Python
Object
Instance
pandas read_csv and filter columns with usecols
Python
Pandas
Csv
Csv Import
How to extend a class in python?
Python
Class
Interface
Add Text on Image using PIL
Python
Django
Image
Python Imaging-Library
Assigning a variable NaN in python without numpy
Python
Constants
Nan
How can I copy a Python string?
Python
String
Python 2.7
Dump a list in a pickle file and retrieve it back later
Python
List
Pickle
Resource u'tokenizers/punkt/english.pickle' not found
Python
Unix
Nltk
Replacing few values in a pandas dataframe column with another value
Python
Replace
Pandas
Dataframe
Deleting multiple columns based on column names in Pandas
Python
Pandas
Converting Hex to RGB value in Python
Python
Colors
Rgb
Why does Python 3 allow "00" as a literal for 0 but not allow "01" as a literal for 1?
Python
Python 3.x
Integer
Literals
Leading Zero
Spark Dataframe distinguish columns with duplicated name
Python
Apache Spark
Dataframe
Pyspark
Apache Spark-Sql
Getting "Could not find function xmlCheckVersion in library libxml2. Is libxml2 installed?" when installing lxml through pip
Python
Django URLs TypeError: view must be a callable or a list/tuple in the case of include()
Python
Django
Django Urls
Django 1.10
How to manually create a legend
Python
Matplotlib
Seaborn
Legend
Seaborn - Why import as sns?
Python
Seaborn
tqdm printing to newline
Python
Progress Bar
Tqdm
Elegant way to check if a nested key exists in a dict?
Python
Variables
Object
Why do tuples take less space in memory than lists?
Python
Python 2.7
List
Tuples
Python Internals
VSCode: There is no Pip installer available in the selected environment
Python
Visual Studio-Code
Pip
Vscode Settings
"Pretty" Continuous Integration for Python
Python
Jenkins
Continuous Integration
Buildbot
How to write PNG image to string with the PIL?
Python
Python Imaging-Library
How to use variables in SQL statement in Python?
Python
Sql
Two way/reverse map
Python
Principal component analysis in Python
Python
Numpy
Scipy
Pca
How to generate random strings in Python?
Python
String
Random
Can we have assignment in a condition?
Python
CURL alternative in Python
Python
Curl
How to save all the variables in the current python session?
Python
Save
How can I strip first and last double quotes?
Python
String
Strip
Numpy index slice without losing dimension information
Python
Numpy
What does "while True" mean in Python?
Python
Syntax
Java: Equivalent of Python's range(int, int)?
Java
Python
Why can't I call read() twice on an open file?
Python
Io
UnicodeEncodeError: 'latin-1' codec can't encode character
Python
Mysql
Unicode
Pylons
Combine --user with --prefix error with setup.py install
Python
Installation
Distutils
Editing specific line in text file in Python
Python
Io
Compare if two variables reference the same object in python
Python
Can I remove script tags with BeautifulSoup?
Python
Html
Beautifulsoup
Compiling with cython and mingw produces gcc: error: unrecognized command line option '-mno-cygwin'
Python
Mingw
Distutils
Cython
DateTimeField doesn't show in admin system
Python
Django
Django Admin
Admin
Explain the "setUp" and "tearDown" Python methods used in test cases
Python
Unit Testing
Python Unittest
Send data from a textbox into Flask?
Python
Flask
How to calculate probability in a normal distribution given mean & standard deviation?
Python
Statistics
Scipy
Probability
How to allow list append() method to return the new list
Python
List
Append
ImportError: No module named psycopg2
Python
Centos
Odoo
Centos5
How can I use a pip requirements file to uninstall as well as install packages?
Python
Pip
bash: mkvirtualenv: command not found
Python
Bash
Centos
Virtualenv
Virtualenvwrapper
String formatting in Python 3
Python
Python 3.x
String
What does "error: option --single-version-externally-managed not recognized" indicate?
Python
Pip
Distribute
Disable console messages in Flask server
Python
Flask
How can I dynamically create derived classes from a base class
Python
Class
Inheritance
Is it possible for a unit test to assert that a method calls sys.exit()?
Python
Unit Testing
django template display item value or empty string
Python
Django
Django Templates
Most efficient way of making an if-elif-elif-else statement when the else is done the most?
Python
Performance
If Statement
How do I iterate through the alphabet?
Python
Python 2.7
Alphabet
many-to-many in list display django
Python
Django
Django Admin
Admin
Django Queryset
How to convert CSV file to multiline JSON?
Python
Json
Csv
How do I manipulate a variable whose name conflicts with PDB commands?
Python
Pdb
Link to class method in python docstring
Python
Python Sphinx
Spyder
Pandas: change data type of Series to String
Python
Pandas
Series
How to assign to repeated field?
Python
Protocol Buffers
Sklearn, gridsearch: how to print out progress during the execution?
Python
Logging
Scikit Learn
How to get multiple dictionary values?
Python
Dictionary
How do I configure a Python interpreter in IntelliJ IDEA with the PyCharm plugin?
Python
Intellij Idea
How to filter in NaN (pandas)?
Python
Pandas
Nan
Row and column headers in matplotlib's subplots
Python
Matplotlib
Subplot
prevent scientific notation in matplotlib.pyplot
Python
Matplotlib
Sample datasets in Pandas
Python
Pandas
Dataset
Sample Data
How do I add two sets?
Python
Set
Spark DataFrame groupBy and sort in the descending order (pyspark)
Python
Apache Spark
Dataframe
Pyspark
Apache Spark-Sql
OpenCV giving wrong color to colored images on loading
Python
Image
Opencv
Colors
Rgb
When do I need to use sqlalchemy back_populates?
Python
Sqlalchemy
What are variable annotations?
Python
Python 3.x
Type Hinting
Python Typing
How can I make an EXE file from a Python program?
Python
Exe
Executable
What's the best Django search app?
Python
Django
Search
Search Engine
How do I close a tkinter window?
Python
Tkinter
Is there a function in python to split a word into a list?
Python
Function
Split
Getting name of windows computer running python script?
Python
Windows
Networking
Why does sys.exit() not exit when called inside a thread in Python?
Python
Python 2.6
Can existing virtualenv be upgraded gracefully?
Python
Virtualenv
Conditional operator in Python?
Python
Syntax
Python vs Bash - In which kind of tasks each one outruns the other performance-wise?
Python
Performance
Bash
method of iterating over sqlalchemy model's defined columns?
Python
Sqlalchemy
Changing file extension in Python
Python
Rename
File Extension
Kill process by name?
Python
Process
Kill
How do I access the command history from IDLE?
Python
Python Idle
How to implement an efficient bidirectional hash table?
Python
Hashtable
Bidirectional
SQLAlchemy equivalent to SQL "LIKE" statement
Python
Sqlalchemy
What's the difference of ContentType and MimeType
Python
Django
Content Type
Mime Types
Python CSV error: line contains NULL byte
Python
Csv
Python: Tuples/dictionaries as keys, select, sort
Python
Select
Dictionary
Key
Tuples
How can I set the 'backend' in matplotlib in Python?
Python
Linux
Graphics
Matplotlib
Capture stdout from a script?
Python
Stdout
Sys
Better way to convert file sizes in Python
Python
Filesize
How to split a list into pairs in all possible ways
Python
Installing multiple versions of a package with pip
Python
Pip
Switch between two frames in tkinter?
Python
Python 3.x
Tkinter
Frame
Benchmarking (python vs. c++ using BLAS) and (numpy)
C++
Python
Numpy
Benchmarking
Blas
Invert image displayed by imshow in matplotlib
Python
Image
Matplotlib
ipython reads wrong python version
Python
Ipython
Salt and hash a password in Python
Python
Authentication
Hash
Passwords
Salt
Disable all Pylint warnings for a file
Python
Pylint
When should I use @classmethod and when def method(self)?
Python
Class Method
Method Dispatch
Python - abs vs fabs
Python
Platform independent path concatenation using "/" , "\"?
Python
Path
How do I specify a single test in a file with nosetests?
Python
Testcase
Nosetests
Why nested functions can access variables from outer functions, but are not allowed to modify them
Python
Scope
How do I convert a list into a string with spaces in Python?
Python
String
List
Spaces
Find integer index of rows with NaN in pandas dataframe
Python
Pandas
Copy directory contents into a directory with python
Python
Shutil
Copytree
Why does Popen.communicate() return b'hi\n' instead of 'hi'?
Python
Subprocess
Popen
How can I check if code is executed in the IPython notebook?
Python
Ipython
Ipython Notebook
URL-parameters and logic in Django class-based views (TemplateView)
Python
Django
Django Class-Based-Views
How to find the cumulative sum of numbers in a list?
Python
List
Sum
Accumulate
How to convert IPython notebooks to PDF and HTML?
Python
Jupyter Notebook
Ipython
How to execute ipdb.set_trace() at will while running pytest tests
Python
Pytest
pip issue installing almost any library
Python
Pip
Nltk
Easy Install
AssertionError: View function mapping is overwriting an existing endpoint function: main
Python
Flask
Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
Python
Get
Python Requests
How to read file with space separated values in pandas
Python
Pandas
Csv
CORS error on same domain?
Javascript
Python
Ajax
Cross Domain
Cors
Catching KeyboardInterrupt in Python during program shutdown
Python
Keyboardinterrupt
Getting indices of True values in a boolean list
Python
List
Pandas Left Outer Join results in table larger than left table
Python
Pandas
Shuffle two list at once with same order
Python
List
Sorting
Shuffle
sorting by a custom list in pandas
Python
Sorting
Pandas
Pandas concat: ValueError: Shape of passed values is blah, indices imply blah2
Python
Pandas
pandas - add new column to dataframe from dictionary
Python
Pandas
What is the difference between pandas.qcut and pandas.cut?
Python
Pandas
How to store and retrieve a dictionary with redis
Python
Redis
How to get the difference between two dictionaries in Python?
Python
Dictionary
Django Rest Framework -- no module named rest_framework
Python
Django
Python 3.x
Pip
Django Rest-Framework
AWS : The config profile (MyName) could not be found
Python
Amazon Web-Services
Credentials
Aws Cli
How to get folder name, in which given file resides, from pathlib.path?
Python
Filenames
Python Os
Pathlib
Passing IPython variables as arguments to bash commands
Python
Bash
Jupyter Notebook
Ipython
Command Line-Arguments
Logistic regression python solvers' definitions
Python
Python 3.x
Scikit Learn
Logistic Regression
Is there a way to compile a python application into static binary?
Python
Build
Preferred (or most common) file extension for a Python pickle
Python
Rest
Filenames
Mime Types
Pickle
Python Pandas: Convert ".value_counts" output to dataframe
Python
Pandas
Dataframe
Black formatter - Ignore specific multi-line code
Python
Code Formatting
Python Black
Request UAC elevation from within a Python script?
Python
Windows
Windows Vista
Uac
How to create a decorator that can be used either with or without parameters?
Python
Decorator
Python hashable dicts
Python
Why are dates calculated from January 1st, 1970?
Java
Python
Programming Languages
How to obfuscate Python code effectively?
Python
how to install python distutils
Python
Distutils
Replace string within file contents
Python
String
File Io
Pairs from single list
Python
List
Zip
Slice
Idioms
convert nan value to zero
Python
Numpy
Nan
Inheritance and init method in Python
Python
Inheritance
Init
How do I go straight to template, in Django's urls.py?
Python
Django
Templates
How to set up a PostgreSQL database in Django
Python
Django
Postgresql
Psycopg2
Django Settings
Remove an item from a dictionary when its key is unknown
Python
Dictionary
What does [:] mean?
Python
Arrays
Syntax
Slice
Printing list elements on separate lines in Python
Python
Importing a long list of constants to a Python file
Python
Constants
Python Import
Where is my Django installation?
Python
Django
Path
Installation
How to determine whether a substring is in a different string
Python
String
Working with TIFFs (import, export) in Python using numpy
Python
Numpy
Python Imaging-Library
Tiff
How to git commit nothing without an error?
Python
Git
Fabric
How to create a user in Django?
Python
Django
Get pixel's RGB using PIL
Python
Image
Python Imaging-Library
Rgb
Pixel
Get an attribute value based on the name attribute with BeautifulSoup
Python
Beautifulsoup
Custom Python list sorting
Python
List
Sorting
How to force the Y axis to only use integers in Matplotlib?
Python
Matplotlib
Axis Labels
Python's many ways of string formatting — are the older ones (going to be) deprecated?
Python
Printf
String Formatting
Deprecated
Backwards Compatibility
Numpy: find index of the elements within range
Python
Numpy
Count vs len on a Django QuerySet
Python
Django
Performance
In Python, can I call the main() of an imported module?
Python
Module
Arguments
Main
How do I search for an available Python package using pip?
Python
Pip
How to handle both `with open(...)` and `sys.stdout` nicely?
Python
Scatter plot and Color mapping in Python
Python
Matplotlib
Python - difference between two strings
Python
String
Python 3.x
Diff
Get row-index values of Pandas DataFrame as list?
Python
List
Pandas
Indexing
How to sort a Pandas DataFrame by index?
Python
Pandas
Python, remove all non-alphabet chars from string
Python
Regex
Securely storing environment variables in GAE with app.yaml
Python
Google App-Engine
Python 2.7
Environment Variables
How to set some xlim and ylim in Seaborn lmplot facetgrid
Python
Pandas
Seaborn
Cell-var-from-loop warning from Pylint
Python
Lambda
Closures
Python get current time in right timezone
Python
Time
Timezone
How to send requests with JSON in unit tests
Python
Json
Flask
Python Unittest
zsh: no matches found: requests[security]
Python
Pip
Python Requests
Zsh
How to load a model from an HDF5 file in Keras?
Python
Machine Learning
Keras
Data Science
How to import a text file on AWS S3 into pandas without writing to disk
Python
Pandas
Heroku
Amazon S3
Boto3
Can Keras with Tensorflow backend be forced to use CPU or GPU at will?
Python
Machine Learning
Tensorflow
Keras
What is the most pythonic way to check if multiple variables are not None?
Python
How to use Python type hints with Django QuerySet?
Python
Django
Type Hinting
What is the use case for `pip install -e`?
Python
Pip
Difference between `open` and `io.BytesIO` in binary streams
Python
Io
Stream
How to increase image size of pandas.DataFrame.plot
Python
Pandas
Matplotlib
Jupyter
multiprocessing: Understanding logic behind `chunksize`
Python
Python 3.x
Parallel Processing
Multiprocessing
Python Multiprocessing
Is there a more elegant way to express ((x == a and y == b) or (x == b and y == a))?
Python
Boolean Logic
Passing a list of kwargs?
Python
Keyword Argument
How can I distribute python programs?
Python
Python: How to create a unique file name?
Python
File
Unique
Python memoising/deferred lookup property decorator
Python
Decorator
Python Unicode Encode Error
Python
Unicode
Ascii
Encode
How do you determine which backend is being used by matplotlib?
Python
Matplotlib
Android Python Programming
Python
Android
Capture keyboardinterrupt in Python without try-except
Python
Try Catch
Keyboardinterrupt
Decreasing for loops in Python impossible?
Python
Loops
For Loop
Any way to properly pretty-print OrderedDict?
Python
Python 2.7
Pretty Print
Ordereddictionary
Pprint
How to redirect output with subprocess in Python?
Python
Subprocess
List of dicts to/from dict of lists
Python
List
Dictionary
Why is an MD5 hash created by Python different from one created using echo and md5sum in the shell?
Python
Shell
Md5sum
Activate a virtualenv with a Python script
Python
Virtualenv
Python: Get the first character of the first string in a list?
Python
String
List
Character
Cancel an already executing task with Celery?
Python
Django
Celery
Message Passing
Python strip with \n
Python
Strip
UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
Python
Unicode
Utf 8
Print new output on same line
Python
Python 3.x
Printing
How to convert a timezone aware string to datetime in Python without dateutil?
Python
Datetime
Timezone
Rfc3339
How to generate keyboard events?
Python
Keyboard Events
Only add to a dict if a condition is met
Python
Variables
Dictionary
Urllib
What is the id( ) function used for?
Python
Anaconda vs. EPD Enthought vs. manual installation of Python
Python
Epd Python
Anaconda
Is there a difference between "raise exception()" and "raise exception" without parenthesis?
Python
Exception
Generating a list of random numbers, summing to 1
Python
Random
'virtualenv' won't activate on Windows
Python
Virtualenv
What's the difference between `from django.conf import settings` and `import settings` in a Django project
Python
Django
Django Settings
Shift column in pandas dataframe up by one?
Python
Pandas
Dataframe
How can I make a scatter plot colored by density in matplotlib?
Python
Matplotlib
Multiprocessing a for loop?
Python
Multiprocessing
How to convert defaultdict to dict?
Python
Defaultdict
How to avoid the spell check on string in Pycharm
Python
Syntax
Pycharm
Stratified Train/Test-split in scikit-learn
Python
Scikit Learn
Why isn't assigning to an empty list (e.g. [] = "") an error?
Python
Syntax
Variable Assignment
Django upgrading to 1.9 error "AppRegistryNotReady: Apps aren't loaded yet."
Python
Django
Pandas plot doesn't show
Python
Pandas
Matplotlib
Create a file if it doesn't exist
Python
Createfile
How to install Python packages from the tar.gz file without using pip install
Python
Installation
Packages
Reading file using relative path in python project
Python
Python 3.x
Io
Relative Path
Python Import
How to reset anaconda root environment
Python
Anaconda
What is this odd colon behavior doing?
Python
Python 3.x
What are the 'levels', 'keys', and names arguments for in Pandas' concat function?
Python
Pandas
Pytorch tensor to numpy array
Python
Numpy
Pytorch
How do I wrap a string in a file in Python?
Python
String
File
Stringio
Play a Sound with Python
Python
Audio
Platform Independent
How to create python bytes object from long hex string?
Python
Hex
Byte
imploding a list for use in a python MySQLDB IN clause
Python
Mysql
Automatically initialize instance variables?
Python
Class
Initialization List
Easy pretty printing of floats?
Python
Printing
Formatting
Floating Point
How can I increment a char?
Python
Char
Increment
What is the pythonic way to unpack tuples?
Python
Tuples
Python os.path.join on Windows
Python
Windows
Path Manipulation
Getting a default value on index out of range in Python
Python
List
Syntax
Default Value
Most lightweight way to create a random string and a random hexadecimal number
Python
Is there a clever way to pass the key to defaultdict's default_factory?
Python
Dictionary
Defaultdict
Is there a WebSocket client implemented for Python?
Python
Client Server
Xmpp
Websocket
How can you get the SSH return code using Paramiko?
Python
Ssh
Paramiko
Using python "with" statement with try-except block
Python
Finally
With Statement
Try Catch
Except
Pythonic way to combine two lists in an alternating fashion?
Python
Caching class attributes in Python
Python
Memoization
In Python try until no error
Python
Error Handling
Tkinter: "Python may not be configured for Tk"
Python
Python 3.x
Tkinter
SQLAlchemy versioning cares about class import order
Python
Sqlalchemy
Line continuation for list comprehensions or generator expressions in python
Python
Coding Style
List Comprehension
Pep8
Python Method overriding, does signature matter?
Python
Inheritance
Methods
Overriding
Python argparse: Make at least one argument required
Python
Argparse
How I can I lazily read multiple JSON values from a file/stream in Python?
Python
Json
Serialization
Python, HTTPS GET with basic authentication
Python
Python 3.x
Simple 'if' or logic statement in Python
Python
If Statement
Logic
Making a python user-defined class sortable, hashable
Python
Class
Sorting
Hash
Magic Methods
Finding all possible permutations of a given string in python
Python
String
Permutation
Writing a dictionary to a csv file with one line for every 'key: value'
Python
Csv
Dictionary
Positional argument v.s. keyword argument
Python
Sharing a result queue among several processes
Python
Parallel Processing
Queue
Multiprocessing
Python Multiprocessing
Local variables in nested functions
Python
Scope
Closures
Nested Function
Get last "column" after .str.split() operation on column in pandas DataFrame
Python
String
Pandas
Split
If range() is a generator in Python 3.3, why can I not call next() on a range?
Python
Python 3.x
Iterator
Generator
Typeerror
Django - "no module named django.core.management"
Python
Django
Python - Join with newline
Python
String
Python script to do something at the same time every day
Python
Python 2.7
Scheduler
Python string interning
Python
String
Python Internals
Internals
String Interning
How to read one single line of csv data in Python?
Python
File
Csv
Iterator
Next
Why do I get a SyntaxError for a Unicode escape in my file path?
Python
Windows
Filenames
Explain __dict__ attribute
Python
Apply Function on DataFrame Index
Python
Pandas
Indexing
Dataframe
Check if all values in list are greater than a certain number
Python
List
Function
Max
Input and output numpy arrays to h5py
Python
Arrays
Numpy
H5py
What are the risks of running 'sudo pip'?
Python
Security
Pip
Sudo
What is a 'NoneType' object?
Python
Null
Nonetype
How do I delete a column that contains only zeros in Pandas?
Python
Pandas
Returning boolean if set is empty
Python
Python 2.7
Iterate over all pairs of consecutive items in a list
Python
List
Iterator
How to dynamically update a plot in a loop in IPython notebook (within one cell)
Python
Pandas
Matplotlib
Jupyter Notebook
Ipython
How to merge a Series and DataFrame
Python
Pandas
Dataframe
How to print from Flask @app.route to python console
Python
Flask
Best way to get the max value in a Spark dataframe column
Python
Apache Spark
Pyspark
Apache Spark-Sql
Download and save PDF file with Python requests module
Python
Python 2.7
Python Requests
How can I split my Click commands, each with a set of sub-commands, into multiple files?
Python
Command Line-Interface
Python Click
Install only available packages using "conda install --yes --file requirements.txt" without error
Python
Pip
Anaconda
How to apply gradient clipping in TensorFlow?
Python
Tensorflow
Machine Learning
Keras
Deep Learning
Python, what's the Enum type good for?
Python
Enums
Pandas read_xml() method test strategies
Python
Xml
Pandas
Xslt
Xpath
UserWarning: Could not import the lzma module. Your installed Python is incomplete
Python
Python 3.x
Why is f'{{{74}}}' the same as f'{{74}}' with f-Strings?
Python
Python 3.x
String
Formatting
F String
Analyze audio using Fast Fourier Transform
Python
Audio
Signal Processing
Fft
Spectrum
Exif manipulation library for python
Python
Exif
Get class that defined method
Python
Python 2.6
Python Datamodel
How do I select a random element from an array in Python?
Python
Arrays
Random
What is the equivalent of MATLAB's repmat in NumPy
Python
Matlab
Numpy
`if __name__ == '__main__'` equivalent in Ruby
Python
Ruby
Main
How can I get the current language in Django?
Python
Django
Internationalization
Declare function at end of file in Python
Python
Function
Formatting
Unresolved Import Issues with PyDev and Eclipse
Python
Pydev
Python Import
Change figure window title in pylab
Python
Matplotlib
How can I check if a date is the same day as datetime.today()?
Python
Python: How to check a string for substrings from a list?
Python
String
List
Substring
Python constructors and __init__
Python
Convert 2d numpy array into list of lists
Python
Arrays
List
Numpy
Multidimensional Array
What is the most pythonic way to pop a random element from a list?
Python
List
Random
Understanding lambda in python and using it to pass multiple arguments
Python
Python 3.x
Tkinter
Loop through list with both content and index
Python
List
Loops
Django class-based view: How do I pass additional parameters to the as_view method?
Python
Django
Django Views
Django Generic-Views
How do I initialize a dictionary of empty lists in Python?
Python
List
Dictionary
Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
Python
Pandas
Associativity of "in" in Python?
Python
Syntax
How can I read the contents of an URL with Python?
Python
List to array conversion to use ravel() function
Python
Arrays
List
Numpy
Import file from parent directory?
Python
Python Import
Running Selenium Webdriver with a proxy in Python
Python
Selenium
Proxy
Selenium Webdriver
Selenium Ide
Why does `True == False is False` evaluate to False?
Python
How can I add items to an empty set in python
Python
Set
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
Python
Ipython
Jupyter Notebook
Python str vs unicode types
Python
String
Unicode
SyntaxError of Non-ASCII character
Python
Encoding
Xml Parsing
Lxml
Non Ascii-Characters
Multiplying across in a numpy array
Python
Arrays
Numpy
Change values on matplotlib imshow() graph axis
Python
Numpy
Matplotlib
FileNotFoundError: [Errno 2] No such file or directory
Python
File
Find
No module named setuptools
Python
Python 2.7
setup.py
How to plot ROC curve in Python
Python
Matplotlib
Plot
Statistics
Roc
Parsing non-zero padded timestamps in Python
Python
Datetime
How to iterate through a list of dictionaries in Jinja template?
Python
Dictionary
Flask
Iteration
Jinja2
Difference between data and json parameters in python requests package
Python
Json
Python Requests
Is there an analysis speed or memory usage advantage to using HDF5 for large array storage (instead of flat binary files)?
Python
Numpy
Hdf5
Pytables
H5py
How to replace negative numbers in Pandas Data Frame by zero
Python
Pandas
Dataframe
Replace
Negative Number
How to read HDF5 files in Python
Python
Hdf5
Boto3 to download all files from a S3 Bucket
Python
Amazon Web-Services
Amazon S3
Boto3
Python pandas: how to specify data types when reading an Excel file?
Python
Pandas
Dataframe
Mocking boto3 S3 client method Python
Python
Mocking
Boto
Boto3
Botocore
Convert pyspark string to date format
Python
Apache Spark
Pyspark
Apache Spark-Sql
How to pad a string with leading zeros in Python 3
Python
Python 3.x
Math
Rounding
IndexError: tuple index out of range when using py2exe
Python
Py2exe
UndefinedMetricWarning: F-score is ill-defined and being set to 0.0 in labels with no predicted samples
Python
Scikit Learn
How to concatenate two layers in keras?
Python
Machine Learning
Keras
Neural Network
Hierarchical
RuntimeError: This event loop is already running in python
Python
Python Asyncio
Can't create a docker image for COPY failed: stat /var/lib/docker/tmp/docker-builder error
Python
Docker
Dockerfile
Docker Image
How to free disk space taken up by (ana)conda?
Python
Anaconda
Conda
Why did pip upgrade from version 10 to version 18?
Python
Pip
Requests (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.") Error in PyCharm requesting website
Python
Ssl
Https
Python Requests
Pycharm
What is the purpose of python's inner classes?
Python
Class
Oop
Language Features
Display string multiple times
Python
__lt__ instead of __cmp__
Python
Operator Overloading
Check if object is file-like in Python
Python
File
Bitwise operation and usage
Python
Binary
Operators
Bit Manipulation
Inherit docstrings in Python class inheritance
Python
Inheritance
Documentation
Best way to make Django's login_required the default
Python
Django
Multiple Models in a single django ModelForm?
Python
Django
Django Forms
Unable to install pyodbc on Linux
Python
Linux
Centos
Pyodbc
How to open a URL in python
Python
Bottle
Interprocess communication in Python
Python
Sockets
Pipe
Ipc
How to do an upsert with SqlAlchemy?
Python
Sqlalchemy
Upsert
How to check whether a method exists in Python?
Python
Methods
Interleave multiple lists of the same length in Python
Python
List
Dynamically set local variable
Python
Dynamic
How to block calls to print?
Python
Printing
Pygame
Sort tuples based on second parameter
Python
Sorting
Tuples
Can sphinx link to documents that are not located in directories below the root document?
Python
Python Sphinx
Symlink
Toctree
Reading rather large JSON files
Python
Json
Negative list index?
Python
List
Frequency table for a single variable
Python
Statistics
Pandas
Frequency
adding noise to a signal in python
Python
Distributed task queues (Ex. Celery) vs crontab scripts
Python
Django
Celery
How to import data from mongodb to pandas?
Python
Mongodb
Pandas
Pymongo
How to add an element to the beginning of an OrderedDict?
Python
Python 3.x
Dictionary
Python 2.x
Ordereddict
Multiple try codes in one block
Python
Exception
Exception Handling
Try Catch
Except
How to plot two columns of a pandas data frame using points
Python
Matplotlib
Plot
Pandas
Dataframe
Pandas "Can only compare identically-labeled DataFrame objects" error
Python
Pandas
How to avoid "Permission denied" when using pip with virtualenv
Python
Python 3.x
Pip
Virtualenv
Python Venv
Saving plots (AxesSubPlot) generated from python pandas with matplotlib's savefig
Python
Matplotlib
Pandas
Python: converting a list of dictionaries to json
Python
Json
List
Dictionary
How to unpack pkl file?
Python
Pickle
Deep Learning
Mnist
Functional pipes in python like %>% from R's magrittr
Python
Functional Programming
Pipeline
How to convert Python's .isoformat() string back into datetime object
Python
Datetime
Iso8601
Rfc3339
Check if string is in a pandas dataframe
Python
Pandas
Pycharm and sys.argv arguments
Python
Linux
Pycharm
How to set adaptive learning rate for GradientDescentOptimizer?
Python
Tensorflow
Prevent pandas from interpreting 'NA' as NaN in a string
Python
Pandas
What is the currently correct way to dynamically update plots in Jupyter/iPython?
Python
Matplotlib
Jupyter
Jupyter Notebook
How to convert a list to a dictionary with indexes as values?
Python
Dictionary
Remove 'b' character do in front of a string literal in Python 3
Python
String
Encryption
Binary
Pandas: convert categories to numbers
Python
Pandas
Series
Categorical Data
Binning
Does Python optimize away a variable that's only used as a return value?
Python
Interpreter
Python Internals
re.sub erroring with "Expected string or bytes-like object"
Python
Regex
Pandas
Nltk
Rounding floats with f-string
Python
Python 3.6
Pandas/Python: Set value of one column based on value in another column
Python
Pandas
Conditional
How can you determine a point is between two other points on a line segment?
Python
Math
Geometry
Python super() raises TypeError
Python
Inheritance
Python 2.x
Super
Detect & Record Audio in Python
Python
Wav
Audio Recording
Copy constructor in python?
Python
Constructor
Copy
How to make the python interpreter correctly handle non-ASCII characters in string operations?
Python
Unicode
Java Equivalent to Python Dictionaries
Java
Python
Hash
Dictionary
Preserve case in ConfigParser?
Python
Configuration Files
Python 2.x
Configparser
How to apply a logical operator to all elements in a python list
Python
Reading *.wav files in Python
Python
Audio
Wav
Wave
How to set target hosts in Fabric file
Python
Host
Fabric
Why are assertEquals() parameters in the order (expected, actual)?
Python
Debugging
Assert
Python 3 Online Interpreter / Shell
Python
Shell
Python 3.x
Interpreter
How can I do DNS lookups in Python, including referring to /etc/hosts?
Python
Dns
How to expire session due to inactivity in Django?
Python
Django
Session
Cookies
Is there a visual profiler for Python?
Python
User Interface
Profiling
Profiler
What is the correct way to unset a linux environment variable in python?
Python
Environment Variables
How to reload modules in django shell?
Python
Django
Ipython
Pipe subprocess standard output to a variable
Python
Subprocess
Pipe
Python 2.6
array filter in python?
Python
List
Filter
Display special characters when using print statement
Python
Printing
Escaping
Character
How to ignore hidden files using os.listdir()?
Python
Hidden Files
Defining the midpoint of a colormap in matplotlib
Python
Matplotlib
Colormap
Dynamically import a method in a file, from a string
Python
Dynamic
Import
Dynamic Import
Why can a Python dict have multiple keys with the same hash?
Python
Hash
Dictionary
Set
Equality
Pip install Matplotlib error with virtualenv
Python
Matplotlib
Pip
Virtualenv
How can I make a blank subplot in matplotlib?
Python
Matplotlib
Axes
Subplot
What causes a Python segmentation fault?
Python
Segmentation Fault
Large Data
How to remove list elements in a for loop in Python?
Python
List
Weird Try-Except-Else-Finally behavior with Return statements
Python
Try Except
Installing Numpy on 64bit Windows 7 with Python 2.7.3
Python
Windows
Python 2.7
Numpy
Python: tf-idf-cosine: to find document similarity
Python
Machine Learning
Nltk
Information Retrieval
Tf Idf
How to kill a while loop with a keystroke?
Python
While Loop
Break
matplotlib y-axis label on right side
Python
Matplotlib
Labels
Get filename from file pointer
Python
How to read a long multiline string line by line in python
Python
Pandas: rolling mean by time interval
Python
Pandas
Time Series
Rolling Computation
Getting vertical gridlines to appear in line plot in matplotlib
Python
Matplotlib
Pandas
Django CSRF Cookie Not Set
Python
Django
Python argparse mutual exclusive group
Python
Argparse
extracting days from a numpy.timedelta64 value
Python
Numpy
Pandas
What exactly is the point of memoryview in Python
Python
Buffer
Memoryview
Combine two pandas Data Frames (join on a common column)
Python
Pandas
Dataframe
Merge
Left Join
sklearn plot confusion matrix with labels
Python
Matplotlib
Scikit Learn
requirements.txt depending on python version
Python
Pip
Python xticks in subplots
Python
Matplotlib
Imshow
Using a global variable with a thread
Python
Multithreading
Global Variables
How to use PyCharm to debug Scrapy projects
Python
Debugging
Python 2.7
Scrapy
Pycharm
Differences between STATICFILES_DIR, STATIC_ROOT and MEDIA_ROOT
Python
Django
Django Staticfiles
Django Static
Get first element of Series without knowing the index
Python
Pandas
Dataframe
Series
Head
Change grid interval and specify tick labels in Matplotlib
Python
Matplotlib
Plot
Grid
Label
Read specific columns with pandas or other python module
Python
Csv
Pandas
Can't install pip packages inside a docker container with Ubuntu
Python
Docker
Pip
Fig
Copy file with pathlib in Python
Python
File
Copy
Python 2.x
Pathlib
Python NameError: name 'include' is not defined
Python
Django
Nameerror
NaN loss when training regression network
Python
Keras
Neural Network
Theano
Loss Function
How to use requirements.txt to install all dependencies in a python project
Python
Pip
requirements.txt
group by pandas dataframe and select latest in each group
Python
Pandas
Group By
Pandas Groupby
'staticmethod' object is not callable
Python
Recursively iterate through all subdirectories using pathlib
Python
Python 3.x
Pathlib
How to list all existing loggers using python.logging module
Python
Python 3.x
Logging
Strengths of Shell Scripting compared to Python
Python
Shell
Elegant setup of Python logging in Django
Python
Django
Logging
How to split an integer into an array of digits?
Python
sqlalchemy filter multiple columns
Python
Sql
Database
Sqlalchemy
Implementing use of 'with object() as f' in custom class in python
Python
File Io
With Statement
Adding padding to a tkinter widget only on one side
Python
Tkinter
Padding
Does Flask support regular expressions in its URL routing?
Python
Regex
Flask
Python: Removing list element while iterating over list
Python
List
How do I combine two lists into a dictionary in Python?
Python
List
Dictionary
Can I make an admin field not required in Django without creating a form?
Python
Django
Django Models
Django Admin
Django Forms
scipy: savefig without frames, axes, only content
Python
Image
Numpy
Matplotlib
Scipy
"x not in y" or "not x in y"
Python
Syntax
Operators
How to find tags with only certain attributes - BeautifulSoup
Python
Beautifulsoup
Why use Celery instead of RabbitMQ?
Python
Message Queue
Rabbitmq
Celery
How do I use vi keys in ipython under *nix?
Python
Bash
Vi
Ipython
Readline
Python send POST with header
Python
Http
Post
Request
Http Headers
Python Timezone conversion
Python
Timezone
How to remove all rows in a numpy.ndarray that contain non-numeric values
Python
Numpy
Sending data from HTML form to a Python script in Flask
Python
Html
Forms
Input
Flask
Pandas: how to change all the values of a column?
Python
Database
Pandas
Error: No module named psycopg2.extensions
Python
Django
Postgresql
Psycopg2
Finding last occurrence of substring in string, replacing that
Python
String
Parsing
How to generate random colors in matplotlib?
Python
Matplotlib
pydot and graphviz error: Couldn't import dot_parser, loading of dot files will not be possible
Python
Python 2.7
Graphviz
Pydot
How to use youtube-dl from a python program?
Python
Youtube Dl
How to locate and insert a value in a text box (input) using Python Selenium?
Python
Python 2.7
Selenium Webdriver
Form Submit
Html Input
Dead simple example of using Multiprocessing Queue, Pool and Locking
Python
Python 2.7
Multiprocessing
Scatter plots in Pandas/Pyplot: How to plot by category
Python
Matplotlib
Pandas
How do I get interactive plots again in Spyder/IPython/matplotlib?
Python
Matplotlib
Ipython
Spyder
AttributeError: 'module' object has no attribute 'tests'
Python
Django
Python 2.7
Python Unittest
Conditional with statement in Python
Python
Conditional
Indentation
Conditional Statements
With Statement
Difference between data type 'datetime64[ns]' and '<M8[ns]'?
Python
Numpy
Pandas
Datetime64
Filtering Pandas Dataframe using OR statement
Python
Pandas
Filter
Dataframe
Python's lambda with underscore for an argument?
Python
Lambda
Count number of non-NaN entries in every column of Dataframe
Python
Pandas
Dataframe
Count
Nan
How does NumPy's transpose() method permute the axes of an array?
Python
Arrays
Numpy
Transpose
Why am I getting ImportError: No module named pip ' right after installing pip?
Python
Windows 7
Pip
When should I use hstack/vstack vs append vs concatenate vs column_stack?
Python
Numpy
matplotlib taking time when being imported
Python
Matplotlib
Create Empty Dataframe in Pandas specifying column types
Python
Pandas
Which parameters should be used for early stopping?
Python
Keras
Deep Learning
Conv Neural-Network
Remove Unnamed columns in pandas dataframe
Python
Pandas
Dataframe
How to print out a dictionary nicely in Python?
Python
What is the role of TimeDistributed layer in Keras?
Python
Machine Learning
Keras
Neural Network
Deep Learning
Python Pip broken with sys.stderr.write(f"ERROR: {exc}")
Python
Pip
Batch Renaming of Files in a Directory
Python
File Io
Rename
Batch Rename
Good geometry library in python?
Python
Geometry
Method Resolution Order (MRO) in new-style classes?
Python
Method Resolution-Order
How do you sort a list in Jinja2?
Python
Sorting
Jinja2
No plot window in matplotlib
Python
Ubuntu
Matplotlib
Pythonic way to create union of all values contained in multiple lists
Python
List
Set Union
How should I declare default values for instance variables in Python?
Python
Class
Oop
How can I use redis with Django?
Python
Django
Redis
In Python, how to display current time in readable format
Python
Datetime
Time
setuptools: package data folder location
Python
Setuptools
How to "properly" print a list?
Python
String
Python: fastest way to create a list of n lists
Python
Downloading and unzipping a .zip file without writing to disk
Python
Unzip
Block scope in Python
Python
Scope
Splitting a number into the integer and decimal parts
Python
Modifying a Python dict while iterating over it
Python
Dictionary
Python: call a function from string name
Python
Joining multiple strings if they are not empty in Python
Python
String
Join
How can I check if a string contains ANY letters from the alphabet?
Python
String
in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot
Python
Pandas
Ipython
Jupyter Notebook
Python Variable Declaration
Python
Python 3.x
Python 2.7
Variable Declaration
Listing available com ports with Python
Python
Pyserial
matplotlib (equal unit length): with 'equal' aspect ratio z-axis is not equal to x- and y-
Python
Matplotlib
Graph
Axis
Aspect Ratio
IOError: [Errno 32] Broken pipe when piping: `prog.py | othercmd`
Python
Python 3.x
Sigpipe
Python 3 - Encode/Decode vs Bytes/Str
Python
Python 3.x
Getting Python error "from: can't read /var/mail/Bio"
Python
Django DoesNotExist
Python
Django
Django Models
Django Views
Replace invalid values with None in Pandas DataFrame
Python
Pandas
Dataframe
Replace
Nan
Quicksort with Python
Python
Algorithm
Sorting
Quicksort
How to print a single backslash?
Python
Escaping
Backslash
Python: Open file in zip without temporarily extracting it
Python
Zip
Pythonically add header to a csv file
Python
Csv
Header
Writing to a new file if it doesn't exist, and appending to a file if it does
Python
Python 3.x
File
Append
Pycharm: run only part of my Python file
Python
Pycharm
How to draw a rectangle around a region of interest in python
Python
Opencv
Computer Vision
Draw
ValueError: unsupported pickle protocol: 3, python2 pickle can not load the file dumped by python 3 pickle?
Python
Python 3.x
Python 2.7
Pickle
Valueerror
Extracting text from a PDF file using PDFMiner in python?
Python
Python 3.x
Python 2.7
Text Extraction
Pdfminer
Python/psycopg2 WHERE IN statement
Python
Psycopg2
Where In
Connection Timeout with Elasticsearch
Python
Python 2.7
Elasticsearch
When to use get, get_queryset, get_context_data in Django?
Python
Django
Is there any numpy group by function?
Python
Arrays
Numpy
Group dataframe and get sum AND count?
Python
Pandas
Dataframe
Group By
Pandas Groupby
Python & Matplotlib: Make 3D plot interactive in Jupyter Notebook
Python
Matplotlib
Jupyter Notebook
3d
Python: Pandas Series - Why use loc?
Python
Pandas
Series
Pandas Loc
How to change the Spyder editor background to dark?
Python
Themes
Spyder
python pandas convert index to datetime
Python
Pandas
What is the use of python-dotenv?
Python
Environment Variables
How to install PIP on Python 3.6?
Python
Pip
Tensorflow - ValueError: Failed to convert a NumPy array to a Tensor (Unsupported object type float)
Python
Tensorflow
Keras
Lstm
What are "soft keywords"?
Python
Python 3.9
How do I use Django templates without the rest of Django?
Python
Django
Templates
Django Templates
Template Engine
Django signals vs. overriding save method
Python
Django
Django Models
Django Signals
What do I use on linux to make a python program executable
Python
Linux
File Permissions
Default filter in Django admin
Python
Django
Django Admin
Scope of lambda functions and their parameters?
Python
Lexical Closures
How accurate is python's time.sleep()?
Python
Time
Sleep
Is it necessary or useful to inherit from Python's object in Python 3.x?
Python
Python 3.x
How do I run a Python program?
Python
Ide
Debugging
How should I organize Python source code?
Python
Unit Testing
Code Organization
PYTHONPATH vs. sys.path
Python
Python Import
Pythonpath
sys.path
What is Python used for?
Python
Multiple Python versions on the same machine?
Python
Why does Python use 'magic methods'?
Python
Magic Methods
Extract images from PDF without resampling, in python?
Python
Image
Pdf
Extract
Pypdf
How to convert a file into a dictionary?
Python
File
Dictionary
Appending a dictionary to a list - I see a pointer like behavior
Python
List
Dictionary
When to use pip requirements file versus install_requires in setup.py?
Python
Setuptools
Pip
Distribute
setup.py
Can I patch a Python decorator before it wraps a function?
Python
Unit Testing
Mocking
Decorator
Monkeypatching
list.index() function for Python that doesn't throw exception when nothing found
Python
Check if string is upper, lower, or mixed case in Python
Python
String
Set Django's FileField to an existing file
Python
Django
File
How to normalize a 2-dimensional numpy array in python less verbose?
Python
Arrays
Syntax
Numpy
Normalization
In python, how to import filename starts with a number
Python
Import
Why does substring slicing with index out of range work?
Python
String
Substring
How to reduce the image file size using PIL
Python
Image
Compression
Python Imaging-Library
is it possible to do fuzzy match merge with python pandas?
Python
Pandas
Quantile-Quantile Plot using SciPy
Python
Statistics
Scipy
Why does Python's dict.keys() return a list and not a set?
Python
Python 2.x
Heatmap in matplotlib with pcolor?
Python
Matplotlib
Data Visualization
Heatmap
How to check whether optional function parameter is set
Python
Function
Optional Parameters
wait process until all subprocess finish?
Python
Subprocess
Ipc
how is axis indexed in numpy's array?
Python
Numpy
Is there a need for range(len(a))?
Python
For Loop
Range
How do you remove the column name row when exporting a pandas DataFrame?
Python
Pandas
Csv
Dataframe
Header
Mac + virtualenv + pip + postgresql = Error: pg_config executable not found
Python
Macos
Postgresql
Psycopg2
ImportError: No module named scipy
Python
Python 2.7
Scipy
Pybrain
time data does not match format
Python
Datetime
unittest Vs pytest
Python
Pytest
Unit Testing
Slicing a dictionary
Python
Dictionary
Test if all elements of a python list are False
Python
List
pip installation /usr/local/opt/python/bin/python2.7: bad interpreter: No such file or directory
Python
Macos
Installation
Pip
Osx Mavericks
How to explode a list inside a Dataframe cell into separate rows
Python
Pandas
Dataframe
Convert PIL Image to byte array?
Python
Image
Bytearray
Python Imaging-Library
Is it ok having both Anacondas 2.7 and 3.5 installed in the same time?
Python
Python 3.x
Python 2.7
Anaconda
Virtualenv
Using python Logging with AWS Lambda
Python
Amazon Web-Services
Logging
Aws Lambda
Multiprocessing example giving AttributeError
Python
Multithreading
H14 error in heroku - "no web processes running"
Python
Html
Django
Heroku
Web Deployment
Unable to install using pip install requirements.txt
Python
Python 2.7
Pip
requirements.txt
what shebang to use for python scripts run under a pyenv virtualenv
Python
Python 2.7
Pyenv
Jupyter notebook not trusted
Python
Anaconda
Jupyter Notebook
Make the Python json encoder support Python's new dataclasses
Python
Python Dataclasses
Why can't dataclasses have mutable defaults in their class attributes declaration?
Python
Python 3.x
How to fix RuntimeError "Expected object of scalar type Float but got scalar type Double for argument"?
Python
Neural Network
Deep Learning
Classification
Pytorch
ModuleNotFoundError: No module named 'tools.nnwrap'
Python
Pytorch
RuntimeError: Input type (torch.FloatTensor) and weight type (torch.cuda.FloatTensor) should be the same
Python
Python 3.x
Machine Learning
Deep Learning
Pytorch
Does python have an equivalent to Java Class.forName()?
Java
Python
Class
Instantiation
How do I access the request object or any other variable in a form's clean() method?
Python
Django
How do I sort unicode strings alphabetically in Python?
Python
Sorting
Unicode
Internationalization
Collation
Disable assertions in Python
Python
Debugging
Exception Handling
Environment Variables
Assert
Django: Get an object form the DB, or 'None' if nothing matches
Python
Django
Python in-memory zip library
Python
Memory
Zip
Archive
How do you composite an image onto another image with PIL in Python?
Python
Image Processing
Python Imaging-Library
Best way to do enum in Sqlalchemy?
Python
Sqlalchemy
How to create an empty R vector to add new items
Python
R
Vector
Rpy2
Emulating Bash 'source' in Python
Python
Bash
How do I clear all variables in the middle of a Python script?
Python
Testing email sending in Django
Python
Django
Email
Smtp
Django Testing
How to add key,value pair to dictionary?
Python
How to zip lists in a list
Python
Functional Programming
View onto a numpy array?
Python
Numpy
Scikits
Django filter many-to-many with contains
Python
Django
Django Models
Many to-Many
Django Orm
`if key in dict` vs. `try/except` - which is more readable idiom?
Python
Idioms
Readability
Defaultdict
Code Readability
Python - add PYTHONPATH during command line module run
Python
Pythonpath
What is the __dict__.__dict__ attribute of a Python class?
Python
Class
Metaprogramming
Magic Methods
"ImportError: No module named site" on Windows
Python
Windows
Module
Installation
Environment Variables
Start index for iterating Python list
Python
Iteration
Double precision floating values in Python?
Python
Types
Precision
How can I create a tmp file in Python?
Python
Choosing the correct upper and lower HSV boundaries for color detection with`cv::inRange` (OpenCV)
Python
Opencv
Computer Vision
Hsv
Color Detection
Does Gunicorn run on Windows
Python
Gunicorn
Logging to two files with different settings
Python
Python 3.x
Logging
Logfile
Python Pandas How to assign groupby operation results back to columns in parent dataframe?
Python
Group By
Dataframe
Pandas
How to show PIL images on the screen?
Python
Image
Python Imaging-Library
Imshow: extent and aspect
Python
Matplotlib
Imshow
python request with authentication (access_token)
Python
Authentication
Curl
Access Token
Why use os.path.join over string concatenation?
Python
Filepath
search by ObjectId in mongodb with pymongo
Python
Mongodb
Pymongo
Priority of the logical operators NOT, AND, OR in Python
Python
Python 3.x
Operator Precedence
Boolean Expression
How to properly use the "choices" field option in Django
Python
Python 3.x
Django
Django Models
Enums
Filter string data based on its string length
Python
String
Pandas
Csv
Filter
Python: import module from another directory at the same level in project hierarchy
Python
Python 2.7
Module
Path
Package
A suitable 'do nothing' lambda expression in python?
Python
Lambda
How do I include a HTML file in a Jinja2 template?
Python
Html
Flask
Jinja2
How to test Python 3.4 asyncio code?
Python
Unit Testing
Python 3.x
Python Unittest
Python Asyncio
How to convert a decimal number into fraction?
Python
Decimal
Fractions
Get all child elements
Python
Selenium
Selenium Webdriver
Ambiguity in Pandas Dataframe / Numpy Array "axis" definition
Python
Arrays
Pandas
Numpy
Dataframe
secret key not set in flask session, using the Flask-Session extension
Python
Session
Flask
Boolean identity == True vs is True
Python
Boolean
Jython
Cpython
Pypy
Understanding min_df and max_df in scikit CountVectorizer
Python
Machine Learning
Scikit Learn
Nlp
Python : Get size of string in bytes
Python
Is there a multi-dimensional version of arange/linspace in numpy?
Python
Numpy
Cartesian Product
JWT: 'module' object has no attribute 'encode'
Python
Jwt
How to determine if a number is any type of int (core or numpy, signed or not)?
Python
Numpy
Types
How to get the indices list of all NaN value in numpy array?
Python
Numpy
Scipy
TensorFlow saving into/loading a graph from a file
Python
Tensorflow
Protocol Buffers
how to test if a variable is pd.NaT?
Python
Pandas
Unit Testing
Datetime
Nan
'pip install' fails for every package ("Could not find a version that satisfies the requirement")
Python
Pip
Pypi
imread returns None, violating assertion !_src.empty() in function 'cvtColor' error
Python
Opencv
What is this odd sorting algorithm?
Python
Algorithm
Sorting
How does Django Know the Order to Render Form Fields?
Python
Django
Django Forms
how to tell a variable is iterable but not a string
Python
Base 62 conversion
Python
Math
Base62
Binary numbers in Python
Python
Binary
Is there any simple way to benchmark Python script?
Python
Unix
Shell
Benchmarking
Efficiently generate a 16-character, alphanumeric string
Python
Hash
Random
Django check for any exists for a query
Python
Django
Django Views
Is enumerate in python lazy?
Python
Iterator
Generator
Enumerate
Nested For Loops Using List Comprehension
Python
For Loop
List Comprehension
Easiest way to read/write a file's content in Python
Python
data type not understood
Python
Matrix
Numpy
How to print a linebreak in a python function?
Python
Line Breaks
Linear regression with matplotlib / numpy
Python
Numpy
Matplotlib
Linear Regression
Curve Fitting
background function in Python
Python
Multithreading
split string in to 2 based on last occurrence of a separator
Python
String
Handle JSON Decode Error when nothing returned
Python
Json
Python 3.x
How to show the error messages caught by assertRaises() in unittest in Python2.7?
Python
Unit Testing
Execute Python script via crontab
Python
Linux
Cron
Is there any difference between django.conf.settings and import settings?
Python
Django
Django Settings
Python list rotation
Python
List
Rotation
Head and tail in one line
Python
List
Tail
Head
Sum / Average an attribute of a list of objects
Python
List
Attributes
Sum
Python - Dimension of Data Frame
Python
Pandas
How do I write a function that returns another function?
Python
Function
Functional Programming
Currying
Should I always specify an exception type in `except` statements?
Python
Exception
Pep8
How to redirect stdout to both file and console with scripting?
Python
Python 2.7
Split Python Flask app into multiple files
Python
Web Services
File Organization
Flask
Where should I put my own python module so that it can be imported
Python
Python 2.7
Make more than one chart in same IPython Notebook cell
Python
Pandas
Ipython
Ipython Notebook
Add numpy array as column to Pandas data frame
Python
Numpy
Pandas
Setting Different Bar color in matplotlib Python
Python
Matplotlib
Pandas
Bar Chart
Creating an empty object in Python
Python
Oop
How To Get IPython Notebook To Run Python 3?
Python
Python 3.x
Ipython
Ipython Notebook
Difference between np.random.seed() and np.random.RandomState()
Python
Numpy
Random
How to catch exception output from Python subprocess.check_output()?
Python
Bash
Subprocess
How do I make pyCharm stop hiding (unfold) my Python imports?
Python
Import
Pycharm
Code Folding
JSON ValueError: Expecting property name: line 1 column 2 (char 1)
Python
Json
Pymongo
pip is not able to install packages correctly: Permission denied error
Python
Macos
Pip
Lxml
Shift elements in a numpy array
Python
Numpy
Split string into list in jinja?
Python
Jinja2
How to export a table dataframe in PySpark to csv?
Python
Apache Spark
Dataframe
Apache Spark-Sql
Export to-Csv
Pandas sum by groupby, but exclude certain columns
Python
Pandas
Group By
Aggregate
Function chaining in Python
Python
Function
Python 3.x
LogisticRegression: Unknown label type: 'continuous' using sklearn in python
Python
Numpy
Scikit Learn
Show matplotlib plots (and other GUI) in Ubuntu (WSL1 & WSL2)
Python
Linux
Matplotlib
Windows Subsystem-for-Linux
Error in Python script "Expected 2D array, got 1D array instead:"?
Python
Python 3.x
Machine Learning
Predict
Python Pandas User Warning: Sorting because non-concatenation axis is not aligned
Python
Pandas
What does Keras Tokenizer method exactly do?
Python
Keras
Nlp
Python: using a recursive algorithm as a generator
Python
Recursion
Generator
Override a method at instance level
Python
Integrating MySQL with Python in Windows
Python
Mysql
Windows
Full examples of using pySerial package
Python
Modem
Pyserial
How do you validate a URL with a regular expression in Python?
Python
Regex
Google App-Engine
Loop that also accesses previous and next values
Python
Loops
Iteration
How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
Python
Mysql
Macos
Running an outside program (executable) in Python?
Python
Executable
Python regex - r prefix
Python
Regex
String
Literals
Prefix
Weighted standard deviation in NumPy
Python
Numpy
Statsmodels
Standard Deviation
Weighted
`ipython` tab autocomplete does not work on imported module
Python
Ipython
Tab Completion
Using ConfigParser to read a file without section name
Python
Parsing
Configuration Files
Find the greatest number in a list of numbers
Python
Numbers
Max
Print to the same line and not a new line?
Python
Stdout
How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII
Java
Python
Perl
Macos
Character Encoding
MatPlotLib: Multiple datasets on the same scatter plot
Python
Scipy
Matplotlib
UnicodeDecodeError when redirecting to file
Python
Unicode
Installing lxml module in python
Python
Lxml
Python Import
How do I check whether this user is anonymous or actually a user on my system?
Python
Django
Http
Authentication
How to implement virtual methods in Python?
Python
Virtual Functions
Serializing a Python namedtuple to json
Python
Json
Namedtuple
Why is parenthesis in print voluntary in Python 2.7?
Python
Printing
Python 3.x
Python 2.7
Running javascript in Selenium using Python
Javascript
Python
Selenium
How to transform numpy.matrix or array to scipy sparse matrix
Python
Numpy
Scipy
Sparse Matrix
Insert an item into sorted list in Python
Python
List
Sorted
How to get char from string by index?
Python
String
Checking if element exists with Python Selenium
Python
Html
Selenium
Webdriver
Replace negative values in an numpy array
Python
Numpy
How to import a module in Python with importlib.import_module
Python
Import
Module
Python Importlib
Two-sample Kolmogorov-Smirnov Test in Python Scipy
Python
Numpy
Scipy
Statistics
Distribution
How to check type of files without extensions?
Python
Filesystems
Identification
Change x axes scale in matplotlib
Python
Matplotlib
How do I get the current IPython / Jupyter Notebook name
Python
Jupyter Notebook
Ipython
Jupyter
Jupyter Lab
Call Python function from JavaScript code
Javascript
Python
Function
Integration
Writelines writes lines without newline, Just fills the file
Python
dictionary update sequence element #0 has length 3; 2 is required
Python
Odoo
How can I remove the ANSI escape sequences from a string in python
Python
String
Escaping
Ansi Escape
How to get a matplotlib Axes instance to plot to?
Python
Matplotlib
Finance
Axes
How to append multiple items in one line in Python
Python
How to create a Python dictionary with double quotes as default quote format?
Python
Python 2.7
Dictionary
Python 3.x
How do operator.itemgetter() and sort() work?
Python
Sorting
Operator Keyword
save a pandas.Series histogram plot to file
Python
Pandas
Histogram
how to convert a string date into datetime format in python?
Python
Datetime
Python: give start and end of week data from a given date
Python
Date
Time
Retrieve DataFrame of all but one specified column
Python
Pandas
Dataframe
SQLAlchemy create_all() does not create tables
Python
Postgresql
Sqlalchemy
Parse rfc3339 date strings in Python?
Python
Date
Datetime Parsing
Rfc3339
How to deal with certificates using Selenium?
Python
Selenium
Python 3.x
Selenium Webdriver
Browser
How can I get the output of a matplotlib plot as an SVG?
Python
Svg
Matplotlib
Interpolation
Cairo
Django: OperationalError No Such Table
Python
Python 3.x
Django
Django Cms
Django Migrations
py.test: error: unrecognized arguments: --cov=ner_brands --cov-report=term-missing --cov-config
Python
Pytest
Writing then reading in-memory bytes (BytesIO) gives a blank result
Python
Byte
Gzip
Bytesio
How to decode a QR-code image in (preferably pure) Python?
Python
Decode
Qr Code
Zxing
Zbar
PyCharm and PYTHONPATH
Python
Pycharm
Print timestamp for logging in Python
Python
django.db.utils.ProgrammingError: relation already exists
Python
Django
Postgresql
Ubuntu
Make requests using Python over Tor
Python
Tor
Python 3 print without parenthesis
Python
Printing
How to properly round-up half float numbers?
Python
Python 3.x
Floating Point
Rounding
Precision
PEP8 – import not at top of file with sys.path
Python
Python 3.x
Pep8
Concatenate two PySpark dataframes
Python
Apache Spark
Pyspark
Apache Spark-Sql
When is hash(n) == n in Python?
Python
Python 2.7
Python 3.x
Hash
Python Internals
Python requests. 403 Forbidden
Python
Python Requests
Set logging levels
Python
Logging
How to select the last column of dataframe
Python
Pandas
keras: how to save the training history attribute of the history object
Python
Machine Learning
Neural Network
Deep Learning
Keras
How to print a specific row of a pandas DataFrame?
Python
Python 3.x
Pandas
Indexing
Get the list of packages installed in Anaconda
Python
Anaconda
Why can I use a list index as an indexing variable in a for loop?
Python
For Loop
Indexing
How can I analyze Python code to identify problematic areas?
Python
Static Analysis
Cyclomatic Complexity
Can't get Python to import from a different folder
Python
Changing user agent on urllib2.urlopen
Python
Urllib2
User Agent
Any gotchas using unicode_literals in Python 2.6?
Python
Unicode
Python 2.6
Unicode Literals
Import python package from local directory into interpreter
Python
Python - Passing a function into another function
Python
Function
First Class-Functions
catching stdout in realtime from subprocess
Python
Subprocess
Stdout
Python: Platform independent way to modify PATH environment variable
Python
Path
Cross Platform
Environment Variables
Check if a number is a perfect square
Python
Math
Perfect Square
Angles between two n-dimensional vectors in Python
Python
Vector
Angle
Extracting date from a string in Python
Python
String
Date
How to log python exception?
Python
Exception Handling
Logging
How to include a quote in a raw Python string
Python
Syntax
Using an SSH keyfile with Fabric
Python
Fabric
How does python numpy.where() work?
Python
Numpy
Magic Methods
Pipe character in Python
Python
Pipe
Bitwise Operators
How to check if all items in the list are None?
Python
Selenium: FirefoxProfile exception Can't load the profile
Python
Firefox
Selenium
Selenium Webdriver
Webdriver
"python" not recognized as a command
Python
Windows
SQLAlchemy classes across files
Python
Sqlalchemy
How to construct a defaultdict from a dictionary?
Python
Dictionary
Why is '+' not understood by Python sets?
Python
Set
Why is splitting a string slower in C++ than Python?
C++
Python
String
Split
Benchmarking
Find all occurrences of a key in nested dictionaries and lists
Python
Recursion
Dictionary
Traversal
How does IPython's magic %paste work?
Python
Ipython
Python: confusions with urljoin
Python
Python 3.x
Securely storing passwords for use in python script
Python
Security
open() gives FileNotFoundError/IOError: Errno 2 No such file or directory
Python
File
File Io
Filenotfoundexception
File Not-Found
Python functions call by reference
Python
How do I sort a list of datetime or date objects?
Python
List
Date
Sorting
Datetime
Django Rest Framework - How to add custom field in ModelSerializer
Python
Django
Django Rest-Framework
Convert Python dictionary to JSON array
Python
Python 2.7
Can PyCharm list all of Python errors in a project?
Python
Python 2.7
Compiler Errors
Pycharm
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
Python
Mysql
Database
Django
Get number of items from list (or other iterable) with certain condition
Python
List
Count
Functional Programming
Sequence
One liner: creating a dictionary from list with indices as keys
Python
List
Dictionary
Python 3.x
Which is the recommended way to plot: matplotlib or pylab?
Python
Matplotlib
How to execute Python inline from a bash shell
Python
Shell
Inline
Execution
matplotlib.pyplot will not forget previous plots - how can I flush/refresh?
Python
Matplotlib
WhatsApp API (java/python)
Java
Python
Api
Bots
Whatsapp
How to write UTF-8 in a CSV file
Python
Csv
Encoding
Utf 8
Pandas: Drop consecutive duplicates
Python
Pandas
Get all keys in Redis database with python
Python
Database
Redis
Abstract attribute (not property)?
Python
Abstract
Updating value in iterrow for pandas
Python
Loops
Pandas
Explicit
Loading initial data with Django 1.7 and data migrations
Python
Json
Django
Migration
Data Migration
Create PDF from a list of images
Python
Pdf
Python: Mocking a context manager
Python
Mocking
python filter list of dictionaries based on key value
Python
List
Python 2.7
Dictionary
Matplotlib: Specify format of floats for tick labels
Python
Python 3.x
Matplotlib
Scipy
How to remove anaconda from windows completely?
Python
Windows
Anaconda
Add multiple empty columns to pandas DataFrame
Python
Pandas
Anaconda site-packages
Python
Python 2.7
Pip
Anaconda
How to GroupBy a Dataframe in Pandas and keep Columns
Python
Pandas
Why is a class __dict__ a mappingproxy?
Python
Python 3.x
Class
Dictionary
Python Internals
Getting only element from a single-element list in Python?
Python
Python 3.x
Python 2.7
List
Iterable Unpacking
SystemError: Parent module '' not loaded, cannot perform relative import
Python
Python 3.x
OpenCV & Python - Image too big to display
Python
Image
Opencv
Image Processing
Computer Vision
Run Pylint for all Python files in a directory and all subdirectories
Python
Pylint
Keras, how do I predict after I trained a model?
Python
Theano
Deep Learning
Keras
What is the difference between subprocess.popen and subprocess.run
Python
selenium - chromedriver executable needs to be in PATH
Python
Selenium
Selenium Chromedriver
What does the gather function do in pytorch in layman terms?
Python
Pytorch
Spark Error - Unsupported class file major version
Java
Python
Macos
Apache Spark
Pyspark
Can I run a Google Colab (free edition) script and then shut down my computer?
Python
Google Colaboratory
Stripping non printable characters from a string in python
Python
String
Non Printable
Reading a UTF8 CSV file with Python
Python
Utf 8
Csv
Character Encoding
Regular expression syntax for "match nothing"?
Python
Regex
Numpy: Should I use newaxis or None?
Python
Numpy
Center-/middle-align text with PIL?
Python
Python Imaging-Library
First Python list index greater than x?
Python
List
Python - Initializing Multiple Lists/Line
Python
List
Initialization
Python: Figure out local timezone
Python
Datetime
Time
Timezone
Utc
Python popen command. Wait until the command is finished
Python
Subprocess
Wait
Popen
What is the path that Django uses for locating and loading templates?
Python
Django
Django Templates
How can I open an Excel file in Python?
Python
Excel
How to change backends in matplotlib / Python
Python
Matplotlib
Backend
Cairo
Absolute vs. explicit relative import of Python module
Python
Package
Python Import
setup.py examples?
Python
Rpm
Subtract a value from every number in a list in Python?
Python
Python 3.x
Slicing a list in Python without generating a copy
Python
List
Slice
Django Setup Default Logging
Python
Django
Logging
difference between filter with multiple arguments and chain filter in django
Python
Django
Django Models
Detect python version in shell script
Python
Shell
Python for-in loop preceded by a variable
Python
For Loop
For in-Loop
What is the easiest way to clear a database from the CLI with manage.py in Django?
Python
Mysql
Django
Django 1.3
How to increment a variable on a for loop in jinja template?
Python
Jinja2
Decode escaped characters in URL
Python
Escaping
What makes sets faster than lists?
Python
List
Set
Python 2.7: Print to File
Python
File
Python 2.7
How should I format a long url in a python comment and still be PEP8 compliant
Python
Pep8
Safely create a file if and only if it does not exist with Python
Python
Check if list of keys exist in dictionary
Python
Dictionary
set random seed programwide in python
Python
Random
Seed
How to give a pandas/matplotlib bar graph custom colors
Python
Matplotlib
Pandas
Python Script Uploading files via FTP
Python
Ftp
Upload
Why is pip installing an old version of my package?
Python
Pip
Setuptools
How to make separator in pandas read_csv more flexible wrt whitespace, for irregular separators?
Python
Csv
Pandas
Dataframe
Whitespace
Convert Python ElementTree to string
Python
Xml
Marshalling
Elementtree
Python setuptools: How can I list a private repository under install_requires?
Python
Github
Setuptools
Inheritance of private and protected methods in Python
Python
Inheritance
Methods
Private
Protected
How to add multiple values to the same dictionary key in python?
Python
Dictionary
Key
How to throw error and exit with a custom message in python
Python
Error Handling
Format certain floating dataframe columns into percentage in pandas
Python
Pandas
Formatting
Ipython Notebook
NumPy: Logarithm with base n
Python
Math
Numpy
Logarithm
Django check if a related object exists error: RelatedObjectDoesNotExist
Python
Django
How to print Y axis label horizontally in a matplotlib / pylab chart?
Python
Matplotlib
Label
Memory error while using pip install Matplotlib
Python
Matplotlib
How to select columns from dataframe by regex
Python
Python 2.7
Pandas
Trailing slash triggers 404 in Flask path rule
Python
Flask
What is the difference between np.mean and tf.reduce_mean?
Python
Numpy
Machine Learning
Mean
Tensorflow
In Flask, what is "request.args" and how is it used?
Python
Flask
Pagination
Get
Request
Python Pandas Counting the Occurrences of a Specific value
Python
Pandas
Using a pre-trained word embedding (word2vec or Glove) in TensorFlow
Python
Numpy
Tensorflow
Deep Learning
Splitting a pandas dataframe column by delimiter
Python
Pandas
Can I assign a reset index a name?
Python
Pandas
Scrolling to element using webdriver?
Python
Python 3.x
Selenium
Selenium Webdriver
Docker Compose Up gives "The system cannot find the file specified." error
Python
Docker
Docker Compose
PathLib recursively remove directory?
Python
Directory
Pathlib
Django - No such table: main.auth_user__old
Python
Django
Python 3.x
Django Models
Python was not found; run without arguments to install from the Microsoft Store, or disable this shortcut from Settings
Python
Python 3.x
Windows 10
Specifying a mySQL ENUM in a Django model
Python
Mysql
Django
Django Models
Enums
How to document Python code using Doxygen
Python
Documentation
Python Sphinx
Doxygen
Docstring
Public free web services for testing soap client
Python
Web Services
Soap
Soappy
Zsi
Generic catch for python
Python
Exception
Subtracting 2 lists in Python
Python
List
Tuples
Vector
Getting "global name 'foo' is not defined" with Python's timeit
Python
Scope
Timeit
is there a pythonic way to try something up to a maximum number of times?
Python
Exception Handling
How do you UDP multicast in Python?
Python
Multicast
Is Python faster and lighter than C++?
C++
Python
Performance
Memory
Statistics
How to remove symbols from a string with Python?
Python
Regex
String
Version number comparison in Python
Python
String Comparison
Get a list/tuple/dict of the arguments passed to a function?
Python
Function
Arguments
How do I autoformat some Python code to be correctly formatted?
Python
Formatting
Extract list of attributes from list of objects in python
List
Loops
Python
How to search a list of tuples in Python
Python
Search
List
Tuples
deleting rows in numpy array
Python
Numpy
Delete Row
Interactively validating Entry widget content in tkinter
Python
Validation
Tkinter
Textbox
What are the differences between ipython and bpython?
Python
Ipython
Bpython
Static files in Flask - robot.txt, sitemap.xml (mod_wsgi)
Python
Flask
Static
Mod Wsgi
robots.txt
get UTC timestamp in python with datetime
Python
Datetime
Timestamp
Utc
Consistently create same random numpy array
Python
Random
Numpy
How are deques in Python implemented, and when are they worse than lists?
Python
Deque
TypeError: 'RelatedManager' object is not iterable
Python
Django
Django Models
Django Queryset
Python: Binding Socket: "Address already in use"
Python
Variable defined with with-statement available outside of with-block?
Python
Python: Converting from ISO-8859-1/latin1 to UTF-8
Python
Character Encoding
Python: "subject" not shown when sending email using smtplib module
Python
Smtplib
python: how to check if a line is an empty line
Python
How can I specify library versions in setup.py?
Python
Buildout
How to use pip on windows behind an authenticating proxy
Python
Authentication
Proxy
Pip
How to specify multiple author(s) / email(s) in setup.py
Python
Pypi
How to parse multiple nested sub-commands using python argparse?
Python
Command Line-Arguments
Argparse
Is it possible to overload Python assignment?
Python
Class
Methods
Assignment Operator
Magic Methods
Why am I getting AttributeError: Object has no attribute?
Python
Python Multithreading
Attributeerror
Is there an easy way to make sessions timeout in flask?
Python
Session
Timeout
Flask
Is it possible to run python SimpleHTTPServer on localhost only?
Python
Http
Command Line
Python 2.x
Simplehttpserver
Check if all elements of a list are of the same type
Python
Python 3.x
List
Types
How to update json file with python
Python
Json
How do you use subprocess.check_output() in Python?
Python
Python 3.x
Python 2.x
Multi Index Sorting in Pandas
Python
Sorting
Pandas
Multi Index
What's with the integer cache maintained by the interpreter?
Python
Caching
Code Analysis
Literals
Python Internals
When are .pyc files refreshed?
Python
Python Internals
Pyc
How to set up custom middleware in Django
Python
Django
Django Views
Django Middleware
Find common substring between two strings
Python
String
Algorithm
Time Complexity
Dynamic Programming
What does metavar and action mean in argparse in Python?
Python
Action
Argparse
Python try finally block returns
Python
Try Except
Try Finally
Argparse with required subparser
Python
Python 3.x
Python 2.7
Argparse
pretty-print json in python (pythonic way)
Python
Json
Show only certain items in legend Python Matplotlib
Python
Matplotlib
Legend
round a single column in pandas
Python
Pandas
How to fix pylint logging-not-lazy?
Python
Pylint
Apache Spark: How to use pyspark with Python 3
Python
Python 3.x
Apache Spark
psycopg2: AttributeError: 'module' object has no attribute 'extras'
Python
Psycopg2
Importerror
What is the point of float('inf') in Python?
Python
How do I output lists as a table in Jupyter notebook?
Python
Jupyter Notebook
Read file content from S3 bucket with boto3
Python
Amazon Web-Services
Amazon S3
Boto3
Where does Anaconda Python install on Windows?
Python
Windows
Anaconda
Pydev
Can generators be recursive?
Python
Recursion
Generator
At what situation I can use Dask instead of Apache Spark?
Python
Pandas
Apache Spark
Dask
Make the size of a heatmap bigger with seaborn
Python
Heatmap
Seaborn
Can't install psycopg2 package through pip install on MacOS
Python
Macos
Pip
Psycopg2
How to run a http server which serves a specific path?
Python
Python 3.x
Simplehttpserver
Remove quotes from String in Python
Python
String
Speech Recognition
Google Voice
Django Rest Framework partial update
Python
Django
Django Rest-Framework
update to python 3.7 using anaconda
Python
Anaconda
Python 3.7
Python Setup Disabling Path Length Limit Pros and Cons?
Python
Python 3.x
Windows
Winapi
Path
Can we make 1 == 2 true?
Python
Cpython
Python Internals
String concatenation vs. string substitution in Python
Python
String
String Concatenation
Determining application path in a Python EXE generated by pyInstaller
Python
Executable
Relative Path
Pyinstaller
How can I know which exceptions might be thrown from a method call?
Python
Exception
django urls without a trailing slash do not redirect
Python
Django
Django Urls
Determining if root logger is set to DEBUG level in Python?
Python
Logging
Decorator
Django test runner not finding tests
Python
Django
Unit Testing
drop into python interpreter while executing function
Python
Correct approach to validate attributes of an instance of class
Python
How can I login to a website with Python?
Python
Automation
Httpclient
Webautomation
Prevent creating new attributes outside __init__
Python
Python 3.x
Class
Oop
Python Datamodel
Which is the best way to allow configuration options be overridden at the command line in Python?
Python
Command Line
Configuration Files
Best way to create a "reversed" list in Python?
Python
Reverse
Html Lists
How to do unit testing of functions writing files using Python's 'unittest'
Python
Unit Testing
File
Threads vs. Async
Python
Multithreading
Asynchronous
Twisted
Django request get parameters
Python
Django
Django Models
Django Views
Python - How to check list monotonicity
Python
List
Performance
Sorting related items in a Django template
Python
Django
Django Templates
Sql Order-By
How to split elements of a list?
Python
List
Split
Python map object is not subscriptable
Python
Python 3.x
How to find the last occurrence of an item in a Python list
Python
List
Last Occurrence
Overloaded functions in Python
Python
Function
Arguments
Overloading
How to print a file to stdout?
Python
Convert a space delimited string to list
Python
String
Python round up integer to next hundred
Python
Math
Rounding
Python serialization - Why pickle?
Python
Serialization
Pickle
How to animate a scatter plot
Python
Matplotlib
Finding index of nearest point in numpy arrays of x and y coordinates
Python
Algorithm
Numpy
Setting Camera Parameters in OpenCV/Python
Python
Opencv
Camera
Python 2.7
Is there a way to guarantee hierarchical output from NetworkX?
Python
Networkx
How do I render jinja2 output to a file in Python instead of a Browser
Python
Django
Jinja2
Python Ternary Operator Without else
Python
Ternary
How to make python Requests work via socks proxy
Python
Proxy
Socks
Python Requests
Python multiprocessing safely writing to a file
Python
Io
Multiprocessing
Mutex
Round float to x decimals?
Python
Math
Rounding
What is the difference between multiprocessing and subprocess?
Python
Subprocess
Multiprocessing
Given a pandas Series that represents frequencies of a value, how can I turn those frequencies into percentages?
Python
Pandas
Pandas version of rbind
Python
R
Dataframe
Pandas
Django: Adding "NULLS LAST" to query
Python
Sql
Django
Django reverse lookup of foreign keys
Python
Django
Django Forms
Django Views
Python progress bar and downloads
Python
Download
Progress Bar
Mocking two functions with patch for a unit test
Python
Unit Testing
Testing
Mocking
Nose
Access index of last element in data frame
Python
Pandas
Share Large, Read-Only Numpy Array Between Multiprocessing Processes
Python
Numpy
Multiprocessing
Shared Memory
Index of element in NumPy array
Python
Arrays
Numpy
Indexing
Indexof
TypeError: worker() takes 0 positional arguments but 1 was given
Python
Python 3.x
How to run a script forever?
Python
Infinite Loop
Python handling socket.error: [Errno 104] Connection reset by peer
Python
Ubuntu
Python 2.7
Urllib2
How to convert signed to unsigned integer in python
Python
Integer
Unsigned
Signed
How does one convert a grayscale image to RGB in OpenCV (Python)?
Python
Image
Opencv
Image Processing
Computer Vision
Pandas dataframe total row
Python
Pandas
Converting epoch time with milliseconds to datetime
Python
Ruby
Datetime
Epoch
Pass extra arguments to Serializer Class in Django Rest Framework
Python
Django
Rest
Django Rest-Framework
Cannot find reference 'xxx' in __init__.py
Python
Pycharm
ImportError: No module named win32com.client
Python
Excel
Win32com
Python equivalent of a given wget command
Python
Wget
Flask Value error view function did not return a response
Python
Flask
How to know total number of Frame in a file with cv2 in python
Python
Opencv
Video
Frame
Frame Rate
Understanding time.perf_counter() and time.process_time()
Python
Python 3.x
Execute curl command within a Python script
Python
Curl
Pycurl
Why does numpy std() give a different result to matlab std()?
Python
Matlab
Numpy
Standard Deviation
Pandas unstack problems: ValueError: Index contains duplicate entries, cannot reshape
Python
Pandas
Is there a way to have a conditional requirements.txt file for my Python application based on platform?
Python
Pip
DRF: Simple foreign key assignment with nested serializers?
Python
Django
Django Rest-Framework
Give column name when read csv file pandas
Python
Pandas
pandas groupby without turning grouped by column into index
Python
Pandas
Dataframe
How to unimport a python module which is already imported?
Python
Python Import
Open PIL image from byte file
Python
Pillow
Is the time-complexity of iterative string append actually O(n^2), or O(n)?
Python
String
Algorithm
Time Complexity
String Concatenation
TensorFlow, "'module' object has no attribute 'placeholder'"
Python
Machine Learning
Tensorflow
Is it possible to copy a cell from one jupyter notebook to another?
Python
Jupyter Notebook
Will scikit-learn utilize GPU?
Python
Tensorflow
Scikit Learn
K Means
Neuraxle
Should Python class filenames also be camelCased?
Python
Naming Conventions
Filenames
Camelcasing
ValueError: could not broadcast input array from shape (224,224,3) into shape (224,224)
Python
Numpy
How to configure ChromeDriver to initiate Chrome browser in Headless mode through Selenium?
Python
Selenium
Selenium Webdriver
Selenium Chromedriver
Google Chrome-Headless
Make python3 as my default python on Mac
Python
Python 3.x
Macos
Terminal
Homebrew
Python sqlite3 and concurrency
Python
Sqlite
Finding first and last index of some value in a list in Python
Python
List
Search
How should I verify a log message when testing Python code under nose?
Python
Unit Testing
Mocking
Nose
Generating file to download with Django
Python
Django
How can I obtain pattern string from compiled regexp pattern in python?
Python
Regex
How to convert a string to a number if it has commas in it as thousands separators?
Python
In Python, what does dict.pop(a,b) mean?
Python
Dictionary
How do I merge dictionaries together in Python?
Python
Dictionary
What kinds of patterns could I enforce on the code to make it easier to translate to another programming language?
Php
Python
Compiler Construction
Coding Style
Abstract Syntax-Tree
MANIFEST.in ignored on "python setup.py install" - no data files installed?
Python
Build
Installation
Distutils
Removing python module installed in develop mode
Python
Setuptools
Embedding Python in an iPhone app
Iphone
Python
Xcode
Why do Python modules sometimes not import their sub-modules?
Python
Python Import
More Pythonic Way to Run a Process X Times
Python
Loops
How to remove lines in a Matplotlib plot
Python
Matplotlib
Plot
How to match a substring in a string, ignoring case
Python
Perl
Get lat/long given current point, distance and bearing
Python
Gis
Distance
Latitude Longitude
memory-efficient built-in SqlAlchemy iterator/generator?
Python
Mysql
Sqlalchemy
WSGI vs uWSGi with Nginx
Python
Django
Nginx
Wsgi
Uwsgi
ValueError: could not convert string to float: id
Python
String
Floating Point
List comprehension without [ ] in Python
Python
List Comprehension
multiple axis in matplotlib with different scales
Python
Matplotlib
Base language of Python
Python
python-pandas and databases like mysql
Python
Pandas
What is different between all these OpenCV Python interfaces?
Python
Opencv
How to group pandas DataFrame entries by date in a non-unique column
Python
Pandas
PyCharm not recognizing Python files
Python
Pycharm
Get matplotlib color cycle state
Python
Matplotlib
How can I add a background thread to flask?
Python
Rest
Flask
All permutations of a Windows license key
Python
Itertools
How to create a numpy array of arbitrary length strings?
Python
Arrays
String
Numpy
python JSON only get keys in first level
Python
Json
Python 2.7
Iterator
Key
django abstract models versus regular inheritance
Python
Django
Django Models
Cannot load pickled object
Python
Python 3.x
Pickle
Converting Snake Case to Lower Camel Case (lowerCamelCase)
Python
Python 2.7
Extract points/coordinates from a polygon in Shapely
Python
Polygon
Shapely
sklearn.LabelEncoder with never seen before values
Python
Scikit Learn
pip connection failure: cannot fetch index base URL http://pypi.python.org/simple/
Python
Git
Ubuntu
Pip
Git Review
How to run Python script on terminal?
Python
Macos
Terminal
What is the difference between the declarative_base() and db.Model?
Python
Sqlalchemy
Flask
Bottle
Flask Sqlalchemy
Flask sqlalchemy many-to-many insert data
Python
Flask
Sqlalchemy
Flask Sqlalchemy
What's the difference between "pip install" and "python -m pip install"?
Python
Python 3.x
Pip
Why does tuple(set([1,"a","b","c","z","f"])) == tuple(set(["a","b","c","z","f",1])) 85% of the time with hash randomization enabled?
Python
Hash
Set
Cpython
Python Internals
member variable string gets treated as Tuple in Python
Python
Class
Read Excel cell value and not the formula computing it -openpyxl
Python
Openpyxl
How to run Pip commands from CMD
Python
Cmd
Pip
How to use cookies in Python Requests
Python
Cookies
Python Requests
Find the index of the k smallest values of a numpy array
Python
Numpy
Conda - Silently installing a package
Python
Conda
Installation Package
Miniconda
Passing categorical data to Sklearn Decision Tree
Python
Scikit Learn
Decision Tree
How to rename a virtualenv in Python?
Python
Directory
Virtualenv
How to choose cross-entropy loss in TensorFlow?
Python
Tensorflow
Neural Network
Logistic Regression
Cross Entropy
What is the core difference between asyncio and trio?
Python
Asynchronous
Python Asyncio
Python Trio
Curio
Could not install packages due to a "Environment error :[error 13]: permission denied : 'usr/local/bin/f2py'"
Python
Macos
Numpy
Why does (inf + 0j)*1 evaluate to inf + nanj?
Python
Nan
Ieee 754
Can I write native iPhone apps using Python?
Iphone
Python
Cocoa Touch
How do I use the built in password reset/change views with my own templates
Python
Django
Passwords
How can I remove text within parentheses with a regex?
Python
Regex
Perl
How to make several plots on a single page using matplotlib?
Python
Matplotlib
Convert Variable Name to String?
Python
String
Variables
Get a list of all the encodings Python can encode to
Python
Unicode
Encoding
Character Encoding
How to execute Python scripts in Windows?
Python
Windows
Scripting
Command Line
File Association
reading tar file contents without untarring it, in python script
Python
Tar
How to create Python egg file
Python
Packaging
Egg
Is it possible to run function in a subprocess without threading or writing a separate file/script.
Python
Function
Subprocess
Popen
Python Multiprocessing
Get all related Django model objects
Python
Django
Django Models
Merge
In Python, how do I loop through the dictionary and change the value if it equals something?
Python
Dictionary
how to merge 200 csv files in Python
Python
Csv
Merge
Concatenation
What version of Visual Studio is Python on my computer compiled with?
Python
Windows
Visual Studio
Visual C++
Django return redirect() with parameters
Python
Django
Redirect
Parameter Passing
How do I install an old version of Django on virtualenv?
Python
Django
Setuptools
Virtualenv
How do I access Class member variables in Python?
Python
Class
Oop
Methods
Class Variables
How to config nltk data directory from code?
Python
Path
Directory
Nlp
Nltk
What does it mean for an object to be picklable (or pickle-able)?
Python
Pickle
MySQL: Get column name or alias from query
Python
Mysql
Mysql Python
Interweaving two numpy arrays
Python
Arrays
Numpy
How do I package a python application to make it pip-installable?
Python
Django
Dependencies
Pip
How can I get around declaring an unused variable in a for loop?
Python
List Comprehension
matplotlib: can I create AxesSubplot objects, then add them to a Figure instance?
Python
Matplotlib
How to copy data from a numpy array to another
Python
Numpy
How can I use different pipelines for different spiders in a single Scrapy project
Python
Scrapy
Web Crawler
What are the Python equivalents to Ruby's bundler / Perl's carton?
Python
Ruby
Perl
Virtualenv
Pip
Convert UTF-8 with BOM to UTF-8 with no BOM in Python
Python
Utf 8
Utf 16
Byte Order-Mark
Recursion using yield
Python
Python 2.7
Recursion
Yield
Plotting dates on the x-axis with Python's matplotlib
Python
Datetime
Matplotlib
Python inheritance: TypeError: object.__init__() takes no parameters
Python
Inheritance
How do I choose between Tesseract and OpenCV?
Python
Opencv
Computer Vision
Ocr
Tesseract
Large, persistent DataFrame in pandas
Python
Pandas
Sas
assertAlmostEqual in Python unit-test for collections of floats
Python
Unit Testing
Collections
Python way of printing: with 'format' or percent form?
Python
Printing
Format
double equals vs is in python
Python
Comparison
Boolean
Equals
Equality
Calculate mean across dimension in a 2D array
Python
Arrays
Multidimensional Array
Numpy
Mean
Mean Squared Error in Numpy?
Python
Arrays
Numpy
Mean
Mean Square-Error
How to run Ansible without specifying the inventory but the host directly?
Python
Ansible
python socket.error: [Errno 98] Address already in use
Python
Python 2.7
selenium with scrapy for dynamic page
Python
Selenium
Selenium Webdriver
Web Scraping
Scrapy
Create an empty data frame with index from another data frame
Python
Indexing
Pandas
Django import error - no module named django.conf.urls.defaults
Python
Django
Graphite
Django 1.6
scikit-learn .predict() default threshold
Python
Machine Learning
Classification
Scikit Learn
Converting between datetime and Pandas Timestamp objects
Python
Datetime
Pandas
Is 'file' a keyword in python?
Python
Keyword
numpy division with RuntimeWarning: invalid value encountered in double_scalars
Python
Numpy
Warnings
How to reorder indexed rows based on a list in Pandas data frame
Python
Pandas
Dataframe
Python - Get Yesterday's date as a string in YYYY-MM-DD format
Python
Python 2.7
Python 3.x
Date
Datetime
Scikit-learn: How to obtain True Positive, True Negative, False Positive and False Negative
Python
Machine Learning
Scikit Learn
Classification
Supervised Learning
How to append rows in a pandas dataframe in a for loop?
Python
For Loop
Pandas
Dataframe
Divide multiple columns by another column in pandas
Python
Pandas
How to count duplicate rows in pandas dataframe?
Python
Pandas
Create empty conda environment
Python
Anaconda
Directing print output to a .txt file
Python
Python 3.x
Verify host key with pysftp
Python
Ssh
Public Key
Pysftp
How to get Tensorflow tensor dimensions (shape) as int values?
Python
Tensorflow
Machine Learning
Artificial Intelligence
ImportError: No module named model_selection
Python
Scikit Learn
How to pass arguments in pytest by command line
Python
Testing
Pytest
Command Line-Arguments
Boolean Series key will be reindexed to match DataFrame index
Python
Pandas
Support for Enum arguments in argparse
Python
Argparse
Set GOOGLE_APPLICATION_CREDENTIALS in Python project to use Google API
Python
Google Api
pip throws TypeError: parse() got an unexpected keyword argument 'transport_encoding' when trying to install new packages
Python
Python 3.x
Pip
Anaconda
Django or Django Rest Framework
Python
Django
Django Rest-Framework
How does Lru_cache (from functools) Work?
Python
Python 3.x
Numpy
Caching
Lru
append dictionary to data frame
Python
Python 3.x
Pandas
Dataframe
pip cannot uninstall <package>: "It is a distutils installed project"
Python
Installation
Pip
Distutils
Can you explain closures (as they relate to Python)?
Python
Functional Programming
Closures
How do I verify that a string only contains letters, numbers, underscores and dashes?
Python
Regex
String
Adding code to __init__.py
Python
Initialization
Package
How do you uninstall a python package that was installed using distutils?
Python
How to call a property of the base class if this property is being overwritten in the derived class?
Python
Inheritance
Properties
Overloading
Descriptor
How to efficiently calculate a running standard deviation
Python
Perl
Statistics
python: delete non-empty dir
Python
File
Is there a module for balanced binary tree in Python's standard library?
Python
Tree
Standard Library
How to call same method for a list of objects?
Python
Python: See if one set contains another entirely?
Python
Set
Checking validity of email in django/python
Python
Regex
Django
Validation
Email
Find the indexes of all regex matches?
Python
Regex
Indexing
matplotlib: format axis offset-values to whole numbers or specific number
Python
Matplotlib
Does Python have an "or equals" function like ||= in Ruby?
Python
Ruby
How does a Python set([]) check if two objects are equal? What methods does an object need to define to customise this?
Python
Methods
Comparison
Set
Fast prime factorization module
Python
Algorithm
Prime Factoring
Accessing a value in a tuple that is in a list
Python
List
Tuples
In Python, what's the difference between 'except Exception as e' and 'except Exception, e'
Python
Exception
ImportError: No module named BeautifulSoup
Python
Beautifulsoup
Interactive large plot with ~20 million sample points and gigabytes of data
Python
Performance
Matplotlib
Scientific Computing
Why are there no sorted containers in Python's standard libraries?
Python
Language Design
Sortedset
Sortedmap
TypeError: 'str' object is not callable (Python)
Python
Convert list into a dictionary
Python
List
Dictionary
can't compare datetime.datetime to datetime.date
Python
"Line contains NULL byte" in CSV reader (Python)
Python
Csv
Efficient date range overlap calculation in python?
Python
Date
Date Range
Python Save to file
Python
Python 2.7
Transform "list of tuples" into a flat list or a matrix
Python
List
Tuples
Convert JSON array to Python list
Python
Json
List
pandas: complex filter on rows of DataFrame
Python
Pandas
How to loop through a generator
Python
Generator
How to display the first few characters of a string in Python?
Python
Python 2.7
Decorating Hex function to pad zeros
Python
Hex
Padding
Built In
PermissionError: [Errno 13] in Python
Python
Python 3.x
Python urllib2: Receive JSON response from url
Python
Json
Urllib2
Run setUp only once for a set of automated tests
Python
Unit Testing
Find all index position in list based on partial string inside item in list
Python
List
Substring
Enumerate
Sum the digits of a number
Python
Sum
Digits
How to build URLs in Python
Python
Pandas DataFrame concat vs append
Python
Pandas
Output pyodbc cursor results as python dictionary
Python
Dictionary
Pyodbc
Database Cursor
Pypyodbc
Translate every element in numpy array according to key
Python
Numpy
How to disable a pep8 error in a specific file?
Python
Pep8
Difference between entry_points/console_scripts and scripts in setup.py?
Python
Package
setup.py
How to get pip to work behind a proxy server
Python
Proxy
Pip
How can I troubleshoot Python "Could not find platform independent libraries <prefix>"
Python
Path
Importerror
How to see which tests were run during Django's manage.py test command
Python
Django
Unit Testing
Django Unittest
Reading Excel File using Python, how do I get the values of a specific column with indicated column name?
Python
Excel
Xlrd
What is the difference between Lock and RLock
Python
Multithreading
Locking
Reentrancy
Python Pandas replicate rows in dataframe
Python
Pandas
Dataframe
Define functions with too many arguments to abide by PEP8 standard
Python
Pep8
How can I extract hours and minutes from a datetime.datetime object?
Python
Datetime
Twitter
Tweepy
open cv error: (-215) scn == 3 || scn == 4 in function cvtColor
Python
Opencv
Photo
How do I set the driver's python version in spark?
Python
Apache Spark
Pyspark
simple way to drop milliseconds from python datetime.datetime object
Python
Datetime
What is a Pythonic way for Dependency Injection?
Python
Oop
Authentication
Dependency Injection
Frameworks
How to get reproducible results in keras
Python
Numpy
Theano
Keras
RuntimeError: module compiled against API version a but this version of numpy is 9
Python
Python 2.7
Opencv
Numpy
converting JSON to string in Python
Python
Json
String
How to save a pandas DataFrame table as a png
Python
Pandas
How to add regularizations in TensorFlow?
Python
Neural Network
Tensorflow
Deep Learning
Variable Explorer in Jupyter Notebook
Python
Jupyter Notebook
Facilities
How to run Pylint with PyCharm
Python
Python 3.x
Pycharm
Pylint
Error "Read-only file system" in AWS Lambda when downloading a file from S3
Python
Amazon S3
Aws Lambda
Boto3
How to run OpenAI Gym .render() over a server
Python
Jupyter Notebook
Pyglet
Xvfb
Openai Gym
What's the difference between Python's subprocess.call and subprocess.run
Python
Subprocess
ValueError: Length of values does not match length of index | Pandas DataFrame.unique()
Python
Pandas
Dataframe
ModuleNotFoundError: No module named 'sklearn'
Python
Scikit Learn
Anaconda
Package
Conda
AttributeError: 'DataFrame' object has no attribute 'ix'
Python
Pandas
Dataframe
Authenticating against active directory using python + ldap
Python
Authentication
Active Directory
Ldap
How to access the user profile in a Django template?
Python
Django
Django Templates
Good examples of python-memcache (memcached) being used in Python?
Python
Memcached
hasattr() vs try-except block to deal with non-existent attributes
Python
Exception
Exception Handling
Attributes
Hasattr
Very large matrices using Python and NumPy
Python
Matrix
Numpy
models.py getting huge, what is the best way to break it up?
Python
Django
Django Models
Models
Is there an object unique identifier in Python
Python
Raise exception vs. return None in functions?
Python
Exception Handling
Django: add image in an ImageField from image url
Python
Django
Urllib
Django Models
Is there a Rake equivalent in Python?
Python
Build Automation
Can't set attributes on instance of "object" class
Python
Attributes
Language Design
Is it possible exclude test directories from coverage.py reports?
Python
Testing
Software Quality
Code Coverage
coverage.py
What do backticks mean to the Python interpreter? Example: `num`
Python
List Comprehension
Python: generator expression vs. yield
Python
Python 3.x
Generator
Yield
How to properly subclass dict and override __getitem__ & __setitem__
Python
Dictionary
how to import csv data into django models
Python
Django
Csv
Django Models
Export
How can I plot NaN values as a special color with imshow in matplotlib?
Python
Matplotlib
Nan
Windows is not passing command line arguments to Python programs executed from the shell
Python
Windows
Registry
Command Line-Arguments
File Association
Python Equivalent of setInterval()?
Python
Setinterval
How do I request and process JSON with python?
Python
Json
Httprequest
Proper use of mutexes in Python
Python
Multithreading
Mutex
'invalid value encountered in double_scalars' warning, possibly numpy
Python
Numpy
Warnings
Matplotlib
Plot a histogram such that bar heights sum to 1 (probability)
Python
Matplotlib
Seaborn
Histogram
How to continue a task when Fabric receives an error
Python
Fabric
Get a sub-set of a Python dictionary
Python
Dictionary
Django: Model Form "object has no attribute 'cleaned_data'"
Python
Django
Django Forms
Get Filename Without Extension in Python
Python
Regex
Solving "DLL load failed: %1 is not a valid Win32 application." for Pygame
Python
Pygame
Syntax highlighting in vim for python
Python
Vim
Syntax
Vi
Vim Syntax-Highlighting
How can I assign the value of a variable using eval in python?
Python
When to close cursors using MySQLdb
Python
Mysql
Mysql Python
Why is the command bound to a Button or event executed when declared?
Python
Tkinter
How to force a list to a fixed size?
Python
List
Replace first occurrence only of a string?
Python
String
Replace
What is the purpose of the return statement? How is it different from printing?
Python
Printing
Return
How to apply numpy.linalg.norm to each row of a matrix?
Python
Numpy
Private Constructor in Python
Python
Static
Constructor
Private
Using mock patch to mock an instance method
Python
Mocking
Why does CSV file contain a blank line in between each data line when outputting with Dictwriter in Python
Python
Csv
Dictionary
Extract upper or lower triangular part of a numpy matrix
Python
Numpy
Machine Learning
Difference between multiple if's and elif's?
Python
If Statement
What if I don't close the database connection in Python SQLite
Python
Sqlite
Database Connection
How to create an SQL View with SQLAlchemy?
Python
Postgresql
Sqlalchemy
How to set-up a Django project with django-storages and Amazon S3, but with different folders for static files and media files?
Python
Django
Amazon S3
Django Settings
Django Storage
equivalent of a python dict in R
Python
R
Dictionary
Getting all arguments and values passed to a function
Python
How do I tell a Python script to use a particular version
Python
Version
Virtualenv
How to implement band-pass Butterworth filter with Scipy.signal.butter
Python
Scipy
Signal Processing
Digital Filter
Django: Calling .update() on a single model instance retrieved by .get()?
Python
Django
Models
Are Python variables pointers? Or else, what are they?
Python
Pointers
Variables
Identifier
How to use Stanford Parser in NLTK using Python
Python
Parsing
Nlp
Nltk
Stanford Nlp
Convert string into datetime.time object
Python
Time
Python Datetime
shuffle vs permute numpy
Python
Numpy
Scipy
Permutation
Shuffle
How to write text on a image in windows using python opencv2
Python
Windows
Opencv
sort dict by value python
Python
Dictionary
Python 2.6
Python/Django: how to assert that unit test result contains a certain string?
Python
Json
Django
Unit Testing
Assert
Python : How to parse the Body from a raw email , given that raw email does not have a "Body" tag or anything
Python
Email
Python 2.7
Mod Wsgi
Wsgi
Clear screen in shell
Python
Shell
Screen
How to check if a network port is open?
Python
Port
Netstat
start index at 1 for Pandas DataFrame
Python
Pandas
Csv
Dataframe
Indexing
How does ThreadPoolExecutor().map differ from ThreadPoolExecutor().submit?
Python
Multithreading
Python 3.x
Python Multithreading
concurrent.futures
Probability to z-score and vice versa
Python
Statistics
Using multiprocessing.Process with a maximum number of simultaneous processes
Python
Multithreading
Multiprocessing
Automatically run %matplotlib inline in IPython Notebook
Python
Matplotlib
Ipython Notebook
How to check the version of scipy
Python
Scipy
How do I compare two strings in python if order does not matter?
Python
String
Python 2.7
String Comparison
Launch Pycharm from command line (terminal)
Python
Command Line
Environment Variables
Pycharm
Sage
Read a small random sample from a big CSV file into a Python data frame
Python
Pandas
Random
Io
Import From-Csv
Python "from [dot]package import ..." syntax
Python
Import
Add Leading Zeros to Strings in Pandas Dataframe
Python
String
Pandas
Return and yield in the same function
Python
Yield
Python Pandas read_csv skip rows but keep header
Python
Csv
Pandas
Where does flask look for image files?
Python
File Upload
Flask
Web Development-Server
How do I create a Python namespace (argparse.parse_args value)?
Python
Namespaces
Argparse
Specify extras_require with pip install -e
Python
Git
Pip
The most efficient way to remove first N elements in a list?
Python
Performance
List
Python 2.7
Python 3.x
Why is max slower than sort?
Python
Sorting
Max
Python Internals
Convert JSON IPython notebook (.ipynb) to .py file
Python
Jupyter Notebook
Ipython
Nbconvert
Access Jupyter notebook running on Docker container
Python
Docker
Jupyter Notebook
Keyboard shortcut to clear cell output in Jupyter notebook
Python
Jupyter Notebook
Plotting images side by side using matplotlib
Python
Matplotlib
changing sort in value_counts
Python
Pandas
Dataframe
Union of 2 sets does not contain all items
Python
Python 3.x
Set
Equivalence Classes
Lambda including if...elif...else
Python
Pandas
Dataframe
Why is any (True for ... if cond) much faster than any (cond for ...)?
Python
Performance
Getting random row through SQLAlchemy
Python
Sql
Database
Random
Sqlalchemy
What is your favorite Python mocking library?
Python
Mocking
Django equivalent for count and group by
Python
Django
Is there a way to convert number words to Integers?
Python
String
Text
Integer
Numbers
Python: Do Python Lists keep a count for len() or does it count for each call?
Python
Why is looping over range() in Python faster than using a while loop?
Python
Performance
Benchmarking
python list comprehensions; compressing a list of lists?
Functional Programming
Python
List Comprehension
Convert seconds to hh:mm:ss in Python
Python
Django
Time
Is it possible to hide the browser in Selenium RC?
Python
Selenium
Selenium Rc
What is the max length of a Python string?
Python
String
Using super with a class method
Python
Class
Object
Super
Class Method
How to allow users to change their own passwords in Django?
Python
Django
In what case would I use a tuple as a dictionary key?
Python
List
Dictionary
Tuples
Most recent previous business day in Python
Python
Datetime
Process list on Linux via Python
Python
Linux
MongoDB ORM for Python?
Python
Mongodb
Looking for a good Python Tree data structure
Python
Python script header
Python
Scripting
Check if OneToOneField is None in Django
Python
Django
Django Models
One to-One
Get the position of the largest value in a multi-dimensional NumPy array
Python
Arrays
Indexing
Numpy
matplotlib share x axis but don't show x axis tick labels for both, just one
Python
Matplotlib
Test if a class is inherited from another
Python
Unit Testing
Reversing a list using slice notation
Python
List
Syntax
Slice
How do I run Selenium in Xvfb?
Python
Linux
User Interface
Unix
Selenium
How do I skip a loop with pdb?
Python
Debugging
Pdb
Is there a standard way to create Debian packages for distributing Python programs?
Python
Debian
Packaging
Distutils
Debhelper
Virtualenv and source version control
Python
Django
Mercurial
Virtualenv
Looping from 1 to infinity in Python
Python
Loops
How to add a second x-axis in matplotlib
Python
Matplotlib
Python threading. How do I lock a thread?
Python
Multithreading
Find length of 2D array Python
Python
Arrays
Plotting a 3d cube, a sphere and a vector in Matplotlib
Python
Matplotlib
3d
Geometry
Slow Requests on Local Flask Server
Python
Flask
How can I tail a log file in Python?
Python
Tail
How should I understand the output of dis.dis?
Python
Python 2.7
how to turn on minor ticks only on y axis matplotlib
Python
Matplotlib
How to make Django serve static files with Gunicorn?
Python
Django
Gunicorn
Mock attributes in Python mock?
Python
Unit Testing
Testing
Mocking
Python Mock
Sending SOAP request using Python Requests
Python
Soap
Python Requests
flake8 complains on boolean comparison "==" in filter clause
Python
Mysql
Sqlalchemy
Flake8
Monkey patching a class in another module in Python
Python
Class
Unit Testing
Monkeypatching
Convert True/False value read from file to boolean
Python
String
Boolean
Python Set Comprehension
Python
Set
Set Comprehension
How is order of items in matplotlib legend determined?
Python
Matplotlib
Legend
Label python data points on plot
Python
Matplotlib
Labels
Annotate
Debugging the error "gcc: error: x86_64-linux-gnu-gcc: No such file or directory"
Python
Gcc
Makefile
Autotools
Element-wise logical OR in Pandas
Python
Pandas
Boolean Logic
Logical Operators
Boolean Operations
How to add/subtract time (hours, minutes, etc.) from a Pandas DataFrame.Index whos objects are of type datetime.time?
Python
Datetime
Time
Pandas
How to convert string to datetime format in pandas python?
Python
Datetime
Pandas
pandas out of bounds nanosecond timestamp after offset rollforward plus adding a month offset
Python
Datetime
Pandas
Datetimeoffset
Where do I get a SECRET_KEY for Flask?
Python
Flask
Pandas date_range to generate monthly data at beginning of the month
Python
Pandas
Date Range
move column in pandas dataframe
Python
Pandas
Dataframe
SSL: CERTIFICATE_VERIFY_FAILED with Python3
Python
Python 3.x
Macos
Urllib
How to get stable results with TensorFlow, setting random seed
Python
Numpy
Tensorflow
ImportError: cannot import name NUMPY_MKL
Python
Windows
Python 2.7
Numpy
Scipy
pandas: find percentile stats of a given column
Python
Python 2.7
Pandas
Statistics
Moving Average Pandas
Python
Python 3.x
Pandas
Moving Average
Access Lovoo API using Python
Python
Python 3.x
Oauth
Python Requests
Why plt.imshow() doesn't display the image?
Python
Matplotlib
Keras
Error message "Linter pylint is not installed"
Python
Visual Studio-Code
Pylint
Is there a way to check if a subprocess is still running?
Python
Subprocess
How to access a field of a namedtuple using a variable for the field name?
Python
Namedtuple
In pandas, is inplace = True considered harmful, or not?
Python
Pandas
Using tqdm progress bar in a while loop
Python
Python 3.x
Tqdm
Error: pg_config executable not found when installing psycopg2 on Alpine in Docker
Python
Postgresql
Docker
Psycopg2
Alpine
How to remove timezone from a Timestamp column in a pandas dataframe
Python
Pandas
Dataframe
Timezone
Timestamp with-Timezone
What does "unsqueeze" do in Pytorch?
Python
Pytorch
Torch
AttributeError: module 'time' has no attribute 'clock' in Python 3.8
Python
Attributeerror
Pycrypto
Python 3.8
How to solve "AttributeError: module 'google.protobuf.descriptor' has no attribute '_internal_create_key"?
Python
Tensorflow
Protocol Buffers
Object Detection-Api
Proto
Unable to restore Visual Studio 2022 window (IDE itself) after minimizing
Python
Windows
Visual Studio-2022
Python and the Singleton Pattern
Python
Design Patterns
Singleton
How do I perform query filtering in django templates
Python
Django
Django Templates
Possible values from sys.platform?
Python
Cross Platform
How to hide console window in python?
Python
Console
Hide
Sending Multipart html emails which contain embedded images
Python
Email
Mime
Attachment
Multipart
Reading integers from binary file in Python
Python
File
Binary
Integer
Display the time in a different time zone
Python
Time
Timezone
How to remove extra indentation of Python triple quoted multi-line strings?
Python
Quotes
Multiline
Strip
How to extract the member from single-member set in python?
Python
Set
How to require login for Django Generic Views?
Python
Django
How to look ahead one element (peek) in a Python generator?
Python
Generator
Peek
Sorting a list of dot-separated numbers, like software versions
Python
How to make scipy.interpolate give an extrapolated result beyond the input range?
Python
Math
Numpy
Scipy
sqlite3.ProgrammingError: You must not use 8-bit bytestrings unless you use a text_factory that can interpret 8-bit bytestrings
Python
Unicode
Sqlite
Zlib
What is the purpose of __str__ and __repr__?
Python
Finding multiple occurrences of a string within a string in Python
Python
String
Python variables as keys to dict
Python
Dictionary
How to check if array is not empty?
Python
How to have same text in two links with restructured text?
Python
Restructuredtext
Fast way to copy dictionary in Python
Python
Performance
Dictionary
Copy
How can I pretty-print ASCII tables with Python?
Python
Ascii
Tabular
How to get all methods of a python class with given decorator
Python
Class
Methods
Decorator
Inspect
How to Pretty Print HTML to a file, with indentation
Python
Html
Lxml
Pretty Print
Django SUM Query?
Python
Django
Django Queryset
How to have logarithmic bins in a Python histogram
Python
Numpy
Matplotlib
Histogram
Fastest way to grow a numpy numeric array
Python
Performance
Numpy
How to join entries in a set into one string?
Python
List
Set
Python 2.7
How can I print a Python file's docstring when executing it?
Python
Docstring
Parsing a YAML file in Python, and accessing the data?
Python
Xml
Parsing
Yaml
How to implement conditional string formatting?
Python
String Formatting
How do you get PyPy, Django and PostgreSQL to work together?
Python
Django
Postgresql
Psycopg2
Pypy
Jinja2: Change the value of a variable inside a loop
Python
Jinja2
How can I convert radians to degrees with Python?
Python
Math
How to check whether a str(variable) is empty or not?
Python
String
Conditional Statements
Why use sys.path.append(path) instead of sys.path.insert(1, path)?
Python
Path
Python Import
Pythonpath
matplotlib set yaxis label size
Python
Matplotlib
Label
Graphing
Pandas DataFrame aggregate function using multiple columns
Python
Pandas
Check if a program exists from a python script
Python
Catch Ctrl+C / SIGINT and exit multiprocesses gracefully in python
Python
Multiprocessing
Signals
Django - taking values from POST request
Python
Django
Post
Python unittest passing arguments
Python
Unit Testing
Python wildcard search in string
Python
ImportError: No module named mock
Python
Python 2.7
Python Import
Importerror
Getting values from JSON using Python
Python
Json
Simplejson
Does performance differ between Python or C++ coding of OpenCV?
C++
Python
Performance
Opencv
Jinja2 inline comments
Python
Macros
Jinja2
Comments
Stop matplotlib repeating labels in legend
Python
Matplotlib
Legend
Shared memory in multiprocessing
Python
Multiprocessing
Shared Memory
Large Data
Default arguments with *args and **kwargs
Python
Python 2.7
How can I call 'git pull' from within Python?
Python
Git
Bash
Github
python: how to convert a valid uuid from String to UUID?
Python
Uuid
Understanding celery task prefetching
Python
Celery
Celeryd
Accessing JSON elements
Python
Json
Python: how can I check whether an object is of type datetime.date?
Python
Datetime
Enumerate two python lists simultaneously?
Python
List
Python exception chaining
Python
Exception
Coding Style
Python 2.x
How to compare each item in a list with the rest, only once?
Python
How do I return a string from a regex match in python?
Python
Regex
Catch exception and continue try block in Python
Python
Exception
Calling IPython from a virtualenv
Python
Virtualenv
Ipython
Pandas plot() without a legend
Python
Pandas
Plot
Pandas counting and summing specific conditions
Python
Pandas
Sum
difference between find and index
Python
String
Python 2.7
gunicorn.errors.HaltServer: <HaltServer 'Worker failed to boot.' 3> django
Python
Django
Gunicorn
Flask Download a File
Python
Flask
Download
Flask Sqlalchemy
pandas dataframe select columns in multiindex
Python
Pandas
Hierarchical
Multi Index
Creating lowpass filter in SciPy - understanding methods and units
Python
Scipy
Filtering
Signal Processing
Whats the difference between a OneToOne, ManyToMany, and a ForeignKey Field in Django?
Python
Django
Many to-Many
Foreign Key-Relationship
One to-One
How to iterate over consecutive chunks of Pandas dataframe efficiently
Python
Pandas
Parallel Processing
Ipython
IndexError: too many indices for array
Python
Excel
Csv
Error Handling
Indexing
Updating a dataframe column in spark
Python
Dataframe
Apache Spark
Pyspark
Apache Spark-Sql
Is there an idiomatic file extension for Jinja templates?
Python
Templates
File Extension
Jinja2
Move legend outside figure in seaborn tsplot
Python
Matplotlib
Seaborn
I want to create a script for unzip (.tar.gz) file via (Python)
Python
Tar
Unzip
Gzip
pandas - filter dataframe by another dataframe by row elements
Python
Pandas
Dataframe
npm - "Can't find Python executable "python", you can set the PYTHON env variable."
Python
node.js
Npm
Npm Install
Why do 3 backslashes equal 4 in a Python string?
Python
Python 2.7
Merging dataframes on index with pandas
Python
Pandas
Merge
Dataframe
Pandas: convert dtype 'object' to int
Python
Pandas
Numpy
What is the difference between tottime and cumtime on cProfile output?
Python
Profiling
Cprofile
JSON object must be str, bytes or bytearray, not dict
Python
Json
Dictionary
Activating Anaconda Environment in VsCode
Python
Visual Studio-Code
Anaconda
Pythonic way to convert a dictionary into namedtuple or another hashable dict-like?
Python
Dictionary
Namedtuple
Should I use np.absolute or np.abs?
Python
Numpy
Absolute Value
How can I separate the functions of a class into multiple files?
Python
File
Object
Decorator
ProgrammingError: SQLite objects created in a thread can only be used in that same thread
Python
Mysql
Sqlite
Flask
Why do I get a "referenced before assignment" error when assigning to a global variable in a function?
Python
Global Variables
Why is Ruby more suitable for Rails than Python?
Python
Ruby on-Rails
Ruby
Web Frameworks
IronPython vs. Python .NET
Python
.Net
Ironpython
Cpython
python.net
Adding docstrings to namedtuples?
Python
Docstring
Namedtuple
Python: How do I make a subclass from a superclass?
Python
Class
How to delete columns in numpy.array
Python
Numpy
Scipy
Python: return the index of the first element of a list which makes a passed function true
Python
List
Function
Indexing
Case insensitive dictionary
Python
How to terminate a thread when main program ends?
Python
Multithreading
Python Multithreading
Hashable, immutable
Python
Data Structures
Hash
Immutability
Cross platform /dev/null in Python
Python
Adding a scrollbar to a group of widgets in Tkinter
Python
Tkinter
tkinter.scrollbar
Python - Find dominant/most common color in an image
Python
Image
Image Processing
Colors
Why is tuple faster than list in Python?
Python
Performance
List
Tuples
Call a Python method by name
Python
Python, opposite function urllib.urlencode
Python
Urllib
How to use inspect to get the caller's info from callee in Python?
Python
Inspect
Titlecasing a string with exceptions
Python
String
Title Case
Sort a list of Class Instances Python
Python
Sorting
python zipfile module doesn't seem to be compressing my files
Python
Compression
Python Zipfile
Can I add custom methods/attributes to built-in Python types?
Python
Custom Attributes
Monkeypatching
Built in-Types
What is the official "preferred" way to install pip and virtualenv systemwide?
Python
Virtualenv
Setuptools
Pip
Easy Install
How to create a new instance from a class object in Python
Python
Oop
How do Python properties work?
Python
Properties
Send Outlook Email Via Python?
Python
Outlook
Understanding timedelta
Python
Timedelta
range over character in python
Python
Range
Character
Is there a built-in product() in Python?
Python
List
Product
how to remove an element in lxml
Python
Xml
Lxml
Why is bool a subclass of int?
Python
Boolean
Python: Maximum recursion depth exceeded
Python
Recursion
Max
Depth
Tree Traversal
get file list of files contained in a zip file
Python
Zip
Python Zipfile
Save / load scipy sparse csr_matrix in portable data format
Python
Numpy
Scipy
Sort cProfile output by percall when profiling a Python script
Python
Profiling
Cprofile
django 1.4 - can't compare offset-naive and offset-aware datetimes
Python
Django
Timezone
What does the c underscore expression `c_` do exactly?
Python
Numpy
python error: no module named pylab
Python
Python 2.7
Ubuntu 12.04
Matplotlib
How to find overlapping matches with a regexp?
Python
Regex
Overlapping
Listing the dependencies of a package using pip
Python
Pip
Interpreting a benchmark in C, Clojure, Python, Ruby, Scala and others
Python
Ruby
Scala
Clojure
Benchmarking
Matplotlib color according to class labels
Python
Matplotlib
PIL "IOError: image file truncated" with big images
Python
Image
Python Imaging-Library
Zope
Logging variable data with new format string
Python
Python 2.7
String Formatting
How to pass a list from Python, by Jinja2 to JavaScript
Javascript
Python
Variables
Jinja2
Last Key in Python Dictionary
Python
Python 2.7
How to read a CSV file from a URL with Python?
Python
Csv
Curl
Output
Python 2.x
Python Pandas: Convert Rows as Column headers
Python
Pandas
Python - TypeError: 'int' object is not iterable
Python
Python 3.x
List
Loops
Iterable
inverting image in Python with OpenCV
Python
Arrays
Opencv
Numpy
Image Processing
Python reading from a file and saving to utf-8
Python
Python 2.7
Utf 8
Dynamically changing log level without restarting the application
Python
Logging
Gevent
How to append new data onto a new line
Python
File Io
Append
Opposite of melt in python pandas
Python
Pandas
Pivot
Reshape
Melt
Is it possible to store the alembic connect string outside of alembic.ini?
Python
Sqlalchemy
Alembic
TypeError: 'zip' object is not subscriptable
Python
Python 3.x
Floor or ceiling of a pandas series in python?
Python
Pandas
Series
Floor
Ceil
Concatenate rows of two dataframes in pandas
Python
Pandas
Dataframe
Slice Pandas dataframe by index values that are (not) in a list
Python
Pandas
Does JavaScript support array/list comprehensions like Python?
Javascript
Python
How to implement the ReLU function in Numpy
Python
Numpy
Machine Learning
Neural Network
Python - PIP install trouble shooting - PermissionError: [WinError 5] Access is denied
Python
Windows
Pip
Flattening a list of NumPy arrays?
Python
Arrays
Numpy
List Comprehension
Pandas: group by and Pivot table difference
Python
Pandas
Difference between a -= b and a = a - b in Python
Python
Arrays
Numpy
Variable Assignment
In Place
Extract values in Pandas value_counts()
Python
Pandas
Dataframe
Series
What exactly is __weakref__ in Python?
Python
Python 3.x
Python Internals
Accuracy Score ValueError: Can't Handle mix of binary and continuous target
Python
Machine Learning
Scikit Learn
Linear Regression
Prediction
Listing of all files in directory?
Python
Pathlib
ImportError: No module named tensorflow
Python
Module
Installation
Tensorflow
Pip
Change line width of lines in matplotlib pyplot legend
Python
Matplotlib
"The headers or library files could not be found for jpeg" installing Pillow on Alpine Linux
Python
Docker
Dockerfile
Pillow
Alpine
Is there a way to use pipenv with Jupyter notebook?
Python
Jupyter
Pipenv
How can I make a python dataclass hashable without making them immutable?
Python
Python 3.x
Hash
Python Dataclasses
subprocess: unexpected keyword argument capture_output
Python
Subprocess
Why does Python start at index -1 (as opposed to 0) when indexing a list from the end?
Python
List
standard_init_linux.go:211: exec user process caused "exec format error"
Python
Docker
Kubernetes
Dockerfile
Minikube
Take a screenshot via a Python script on Linux
Python
Linux
Screenshot
Python vs. Ruby for metaprogramming
Python
Ruby
Lisp
Metaprogramming
Why the Global Interpreter Lock?
Python
Multithreading
Scripting
Locking
Bytecode
How to integrate pep8.py in Eclipse?
Python
Eclipse
Pydev
Pep8
Python get proper line ending
Python
Line Endings
gnuplot vs Matplotlib
Python
Logging
Matplotlib
Gnuplot
Graphing
Python: defining my own operators?
Python
Operators
Get time zone information of the system in Python?
Python
Datetime
What’s the best way to get an HTTP response code from a URL?
Python
Why is the Borg pattern better than the Singleton pattern in Python
Python
Singleton
Initialize a string variable in Python: "" or None?
Python
Circular import dependency in Python
Python
Dependencies
Circular Dependency
Python Import
Nested Function in Python
Python
Nested Function
How can I schedule updates (f/e, to update a clock) in tkinter?
Python
User Interface
Tkinter
Read streaming input from subprocess.communicate()
Python
Subprocess
How to read a single character at a time from a file in Python?
Python
File Io
Character
How slow is Python's string concatenation vs. str.join?
Python
String
List
String Concatenation
Cannot pass an argument to python with "#!/usr/bin/env python"
Python
Arguments
Shebang
How to safely open/close files in python 2.4
Python
File Io
Python 2.4
Boolean operators vs Bitwise operators
Python
Bitwise Operators
Boolean Operations
Continuing in Python's unittest when an assertion fails
Python
Unit Testing
setting breakpoints with nosetests --pdb option
Python
Testing
Nose
Pdb
Test if an attribute is present in a tag in BeautifulSoup
Python
Beautifulsoup
regexes: How to access multiple matches of a group?
Python
Regex
Mocking Functions Using Python Mock
Python
Unit Testing
Mocking
How to check if a deque is empty
Python
Convert binary to ASCII and vice versa
Python
Binary
Ascii
How to troubleshoot an "AttributeError: __exit__" in multiproccesing in Python?
Python
Python 3.x
Multiprocessing
Pool
How do I set headers using python's urllib?
Python
Http
Header
Urllib
Python defaultdict and lambda
Python
Collections
Defaultdict
How do I gzip compress a string in Python?
Python
Compression
Gzip
Docstring for variable
Python
Django model manager objects.create where is the documentation?
Python
Django
How can I denote unused function arguments?
Python
Python 2.x
str performance in python
Python
String
Performance
Python 3.x
Python 2.7
Multi line string with arguments. How to declare?
Python
Flask to return image stored in database
Python
Binary
Flask
How include static files to setuptools - python package
Python
Package
Setuptools
"Ask forgiveness not permission" - explain
Python
appending list but error 'NoneType' object has no attribute 'append'
Python
List
How would I stop a while loop after n amount of time?
Python
Python 2.7
Partition array into N chunks with Numpy
Python
Arrays
Numpy
Numpy Ndarray
How to pass a variable to magic ´run´ function in IPython
Python
Ipython
Ipython Magic
Python "private" function coding convention
Python
Python 2.7
Coding Style
Naming
Conventions
How do I set browser width and height in Selenium WebDriver?
Python
Selenium
Selenium Webdriver
Screen Resolution
How do I set browser width and height in Selenium WebDriver?
Python
Selenium
Selenium Webdriver
Screen Resolution
How to eliminate absolute path in zip archive if absolute paths for files are provided?
Python
Zip
Absolute Path
Python Zipfile
Drawing average line in histogram (matplotlib)
Python
Matplotlib
Axis
Python/BeautifulSoup - how to remove all tags from an element?
Python
Beautifulsoup
reading v 7.3 mat file in python
Python
Matlab
Io
Mat File
get dataframe row count based on conditions
Python
Pandas
Splat operators in JavaScript, equivalent to *args and **kwargs in Python?
Javascript
Python
How to stop a looping thread in Python?
Python
Multithreading
Wxpython
Intersecting two dictionaries
Python
Dictionary
Iteration
Intersection
Python 3 type hinting for None?
Python
Python 3.x
Nonetype
Type Hinting
How to get correlation of two vectors in python
Python
Numpy
Protobuf to json in python
Python
Json
Protocol Buffers
Python equivalent of Java StringBuffer?
Java
Python
Stringbuffer
Initializing a dictionary in python with a key value and no corresponding values
Python
Dictionary
Initialization
Key
pprint dictionary on multiple lines
Python
Python 2.7
Dictionary
Pprint
Count frequency of words in a list and sort by frequency
Python
Python 3.x
List
Frequency
Word
How to calculate the inverse of the normal cumulative distribution function in python?
Python
Scipy
Normal Distribution
Python 3 sort a dict by its values
Python
Python 3.x
Sorting
Dictionary
Fill username and password using selenium in python
Python
Selenium
Recovering features names of explained_variance_ratio_ in PCA with sklearn
Python
Machine Learning
Scikit Learn
Pca
Keep other columns when doing groupby
Python
Pandas
Aggregate
Pandas Groupby
Repeating elements of a list n times
Python
How do you add additional files to a wheel?
Python
Pip
Python Wheel
Turn off axes in subplots
Python
Image
Matplotlib
What is the difference between mock.patch.object(... and mock.patch(
Python
Unit Testing
Mocking
Tkinter understanding mainloop
Python
Tkinter
Elegant way to create empty pandas DataFrame with NaN of type float
Python
Pandas
Numpy
Dataframe
Nan
Creating a static class with no instances
Python
Class
Object
Static
Is there any difference between using ABC vs ABCMeta?
Python
Python 3.x
Create and import helper functions in tests without creating packages in test directory using py.test
Python
Unit Testing
Pytest
How big should batch size and number of epochs be when fitting a model in Keras?
Python
Machine Learning
Keras
Data Science
Is there a simple way to increment a datetime object one month in Python?
Python
Datetime
substring of an entire column in pandas dataframe
Python
Pandas
Dataframe
pandas: to_numeric for multiple columns
Python
Pandas
Is there special significance to 16331239353195370.0?
Python
Numpy
Numerical Methods
Groupby value counts on the dataframe pandas
Python
Pandas
Dataframe
Crosstab
Pandas Groupby
How to URL encode in Python 3?
Python
Urlencode
python pip - install from local dir
Python
Python 2.7
Why is copying a shuffled list much slower?
Python
Python Internals
Pandas rename column by position?
Python
Pandas
ConvergenceWarning: Liblinear failed to converge, increase the number of iterations
Python
Opencv
Lbph Algorithm
Python3 Determine if two dictionaries are equal
Python
Python 3.x
Dictionary
Equality
Function parameter with colon
Python
Function
CondaValueError: The target prefix is the base prefix. Aborting
Python
Anaconda
Conda
Ubuntu 20.04 upgrade, Python missing libffi.so.6
Python
Ubuntu
Ubuntu 20.04
How do threads work in Python, and what are common Python-threading specific pitfalls?
Python
Multithreading
How do I set up Vim autoindentation properly for editing Python files?
Python
Vim
Configuration
Spaces
When is not a good time to use python generators?
Python
Optimization
Iterator
Generator
Open explorer on a file
Python
Windows
Explorer
How to limit execution time of a function call?
Python
Multithreading
python time + timedelta equivalent
Python
How to strip html/javascript from text input in django
Python
Django
Converting a float to a string without rounding it
Python
String
Floating Point
Rounding
timeit versus timing decorator
Python
Timing
Timeit
Why use Django on Google App Engine?
Python
Django
Google App-Engine
Django DateField default options
Python
Django
Django Models
How to increment a shared counter from multiple processes?
Python
Multiprocessing
Can I debug with python debugger when using py.test somehow?
Python
Unit Testing
Pdb
create destination path for shutil.copy files
Python
How can I unit test django messages?
Python
Django
Unit Testing
Django Testing
Why does corrcoef return a matrix?
Python
Math
Numpy
Insert some string into given string at given index
Python
String
How do I update a Mongo document after inserting it?
Python
Mongodb
Pymongo
Database
Get all text inside a tag in lxml
Python
Parsing
Lxml
How to efficiently parse fixed width files?
Python
Parsing
Shortest way to slice even/odd lines from a python array?
Python
Arrays
How can I find the path for an executable?
Python
Python unittest.TestCase execution order
Python
Unit Testing
Getting index of item while processing a list using map in python
Python
Python MySQLdb: connection.close() VS. cursor.close()
Python
Mysql Python
Get UTC offset from time zone name in python
Python
Datetime
Timezone
Immutable numpy array?
Python
Arrays
Numpy
Immutability
Readonly
How to check if a datetime object is localized with pytz?
Python
Datetime
Timezone
Pytz
Prepend line to beginning of a file
Python
How to document fields and properties in Python?
Python
Documentation
Converting a String to a List of Words?
Python
String
List
Words
Text Segmentation
How to decorate all functions of a class without typing it over and over for each method?
Python
Wrapper
Decorator
Find the date for the first Monday after a given date
Python
Date
How to find the groups of consecutive elements in a NumPy array
Python
Numpy
High quality, simple random password generator
Python
Security
Random
Passwords
Access self from decorator
Python
Unit Testing
Scope
How to make python argparse mutually exclusive group arguments without prefix?
Python
Argparse
How to pass a default argument value of an instance member to a method?
Python
Instance Variables
Default Arguments
How do I print functions as they are called?
Python
Callstack
Import Script from a Parent Directory
Python
Import
Python remove set from set
Python
Set
How to reverse tuples in Python?
Python
Loops
Iteration
Tuples
Python lambda's binding to local values
Python
Closures
Lambda
ipython notebook --pylab inline: zooming of a plot
Python
Matplotlib
Ipython
Comparing numpy arrays containing NaN
Python
Numpy
Nan
Equality Operator
Do I understand os.walk right?
Python
File
Is there go up line character? (Opposite of \n)
Python
C++
Terminal
Console
Efficiently applying a function to a grouped pandas DataFrame in parallel
Python
Pandas
Multiprocessing
Shared Memory
Python using basicConfig method to log to console and file
Python
File
Logging
Console
Screen
Save a large file using the Python requests library
Python
File
Http
Download
Request
Django Rest Framework Token Authentication
Python
Django
Django Rest-Framework
Normalizing Unicode
Python
Unicode
Python 3.x
How to debug a Python segmentation fault?
Python
Segmentation Fault
How can I check that a list has one and only one truthy value?
Python
Python: Differentiating between row and column vectors
Python
Arrays
Numpy
Vector
Scipy
Why does my recursive function return None?
Python
Function
Recursion
Return
Django - How to make a variable available to all templates?
Python
Django
Django Nonrel
prevent plot from showing in jupyter notebook
Python
Matplotlib
Jupyter Notebook
Ipython Notebook
Figures
python shuffling with a parameter to get the same result
Python
How to See if a String Contains Another String in Django Template
Python
Django
Understanding NumPy's Convolve
Python
Python 2.7
Numpy
Convolution
Moving Average
SSL backend error when using OpenSSL
Python
Curl
Virtualenv
Pip
Pycurl
How to concatenate two dataframes without duplicates?
Python
Pandas
Duplicates
Pandas DataFrame performance
Python
Dictionary
Pandas
How to implement retry mechanism into python requests library?
Python
Http
Python Requests
python mock - patching a method without obstructing implementation
Python
Mocking
NLTK python error: "TypeError: 'dict_keys' object is not subscriptable"
Python
Python 3.x
Dictionary
Key
Nltk
add vs update in set operations in python
Python
Set
How do I undo True = False in python interactive mode?
Python
Boolean
Python 2.x
python pep8 class in init imported but not used
Python
Pep8
Flake8
PIP install unable to find ffi.h even though it recognizes libffi
Python
Linux
Pip
How to get value counts for multiple columns at once in Pandas DataFrame?
Python
Numpy
Pandas
How to uninstall jupyter
Python
Jupyter
Why does foo = filter(...) return a <filter object>, not a list?
Python
Variables
Filter
Variable Assignment
Pandas dataframe read_csv on bad data
Python
Csv
Pandas
Python: Pandas Dataframe how to multiply entire column with a scalar
Python
Pandas
Chained Assignment
How to change status of JsonResponse in Django
Python
Python 3.x
Django
Python 2.7
Tastypie
Avoid Pylint warning E1101: 'Instance of .. has no .. member' for class with dynamic attributes
Python
Dynamic
Pylint
Use virtualenv with Python with Visual Studio Code in Ubuntu
Python
Visual Studio-Code
Virtualenv
Tensorflow set CUDA_VISIBLE_DEVICES within jupyter
Python
Environment Variables
Tensorflow
Why does map return a map object instead of a list in Python 3?
Python
Python 3.x
Get current number of partitions of a DataFrame
Python
Scala
Dataframe
Apache Spark
Apache Spark-Sql
iloc giving 'IndexError: single positional indexer is out-of-bounds'
Python
Pip error: Microsoft Visual C++ 14.0 is required
Python
Python 3.x
Python 3.6
Pycrypto
Forcing pandas .iloc to return a single-row dataframe?
Python
Pandas
Dataframe
Indexing
What's the difference between ThreadPool vs Pool in the multiprocessing module?
Python
Python 3.x
Multiprocessing
Threadpool
Python Multiprocessing
What is validation data used for in a Keras Sequential model?
Python
Validation
Keras
Training Data
Keras 2
List running Jupyter notebooks and tokens
Python
Ssh
Jupyter
Tmux
Gnu Screen
How to limit concurrency with Python asyncio?
Python
Python 3.x
Asynchronous
Concurrency
Python Asyncio
Pandas get the most frequent values of a column
Python
Pandas
Dataframe
What's the difference between torch.stack() and torch.cat()?
Python
Pytorch
How to reinstall python@2 from Homebrew?
Python
Macos
Homebrew
Python 2.x
WTForms: Install 'email_validator' for email validation support
Python
Flask
Wtforms
A get() like method for checking for Python attributes
Python
Attributes
Python and regular expression with Unicode
Python
Regex
Character Properties
split a multi-page pdf file into multiple pdf files with python?
Python
Pdf
Sentiment analysis for Twitter in Python
Python
Machine Learning
Nlp
Open Source
Sentiment Analysis
What's the best way to initialize a dict of dicts in Python?
Python
Autovivification
How to parse dates with -0400 timezone string in Python?
Python
Datetime
Timezone
Keyboard input with timeout?
Python
Timeout
Keyboard Input
Equivalent of Bash Backticks in Python
Python
Backticks
Readably print out a python dict() sorted by key
Python
How to write a confusion matrix in Python?
Python
Machine Learning
Python: load variables in a dict into namespace
Python
Variables
Scope
Locals
regex error - nothing to repeat
Python
Regex
Python: determine if all items of a list are the same item
Python
List
How to remove \n from a list element?
Python
List
Newline
Can you have variables within triple quotes? If so, how?
Python
String
Formatting
how to add value to a tuple?
Python
Tuples
Python - manually install package using virtualenv
Python
Installation
Virtualenv
Pip
Virtualenvwrapper
Capturing group with findall?
Python
Regex
Get random sample from list while maintaining ordering of items?
Python
List
Random
Sortedlist
Remove last character if it's a backslash
Python
String
how to know if a variable is a tuple, a string or an integer?
Python
Byte Array in Python
Python
Byte
Gevent
how to convert 2d list to 2d numpy array?
Python
Numpy
matplotlib savefig() plots different from show()
Python
Graph
Plot
Matplotlib
Get absolute paths of all files in a directory
Python
Absolute Path
Most suitable python library for Github API v3
Python
Api
Github
Converting a string representation of a list into an actual list object
Python
String
List
Django: Catching Integrity Error and showing a customized message using template
Python
Django
How can I set the last modified time of a file from python?
Python
Unix
Last Modified
Check if an object exists
Python
Database
Django
View
Model
there's no next() function in a yield generator in python 3
Python
Python 3.x
How to check if a variable is equal to one string or another string?
Python
Does the Python 3 interpreter have a JIT feature?
Python
Python 3.x
Jit
How to add a single item to a Pandas Series
Python
Pandas
Why does next raise a 'StopIteration', but 'for' do a normal return?
Python
Iterator
Generator
Stopiteration
How to set self.maxDiff in nose to get full diff output?
Python
Nose
Python Finding Prime Factors
Python
Primes
Is it possible to insert a row at an arbitrary position in a dataframe using pandas?
Python
Pandas
Memory error when using pandas read_csv
Python
Windows
Pandas
ValueError: numpy.dtype has the wrong size, try recompiling
Python
Numpy
Installation
Pandas
Statsmodels
How to do virtual file processing?
Python
File
Virtual
Byte Array to Hex String
Python
String
Python 2.7
Bytearray
Python, TypeError: unhashable type: 'list'
Python
Python 3.x
Could not find library geos_c or load any of its variants
Python
Shapely
Lambda in a loop
Python
Loops
Anonymous Function
Remove NaN from pandas series
Python
Pandas
Series
Import order coding standard
Python
Python Import
Static Analysis
Pep8
Error trying to install Postgres for python (psycopg2)
Python
Django
Heroku
Psycopg2
How do you find the IQR in Numpy?
Python
Numpy
Scipy
Generate all permutations of a list without adjacent equal elements
Python
Algorithm
Combinatorics
How do I format axis number format to thousands with a comma in matplotlib?
Python
Matplotlib
How to build and fill pandas dataframe from for loop?
Python
Pandas
TypeError: cannot perform reduce with flexible type
Python
Python 2.7
Scikit Learn
Python time.sleep() vs event.wait()
Python
Multithreading
Sleep
How can I generate a list of consecutive numbers?
Python
List
Python 3.x
Python hide ticks but show tick labels
Python
Matplotlib
Populating a dictionary using for loops (python)
Python
Dictionary
Pandas: create new column in df with random integers from range
Python
Pandas
Random
Integer
Range
Which Model Field to use in Django to store longitude and latitude values?
Python
Django
Geodjango
Python: Print a variable's name and value?
Python
Debugging
pandas concat ignore_index doesn't work
Python
Pandas
Append
Concat
How to do Xavier initialization on TensorFlow
Python
Tensorflow
How to open and convert sqlite database to pandas dataframe
Python
Database
Sqlite
Pandas
Dataframe
A safe max() function for empty lists
Python
List
Exception
Error Handling
Max
Append multiple pandas data frames at once
Python
Pandas
Append
pandas .at versus .loc
Python
Pandas
Dataframe
Pandas Groupby and Sum Only One Column
Python
Pandas
Dataframe
Pandas Groupby
Mac OSX python ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:749)
Python
Macos
Ssl
Flask - Calling python function on button OnClick event
Javascript
Python
Html
Flask
Raspberry Pi
Use Conda environment in pycharm
Python
Pycharm
Conda
SyntaxError: unexpected EOF while parsing
Python
Python 3.x
Python 3.6
Eof
Lint
What is the return type hint of a generator function?
Python
Python 2.7
Generator
Yield
Type Hinting
Differences between numpy.random.rand vs numpy.random.randn in Python
Python
Numpy
Neural Network
Numpy Random
Running Selenium with Headless Chrome Webdriver
Python
Selenium
Google Chrome
Selenium Chromedriver
Google Chrome-Headless
Splitting a semicolon-separated string to a dictionary, in Python
Python
String
Dictionary
Split
see if two files have the same content in python
Python
File
Validate SSL certificates with Python
Python
What is the simplest way to SSH using Python?
Python
Linux
Unix
Ssh
Install python 2.6 in CentOS
Python
Centos
Rpath
Find Monday's date with Python
Python
Django
Determine complete Django url configuration
Python
Django
Url
Python twisted: where to start
Python
Twisted
Matplotlib plots not showing up in Mac OSX?
Python
Macos
Matplotlib
Plot
Do you use the get/set pattern (in Python)?
Python
Getter Setter
str.format() raises KeyError
Python
Syntax
String Formatting
Delimiter
Missing Data
"isnotnan" functionality in numpy, can this be more pythonic?
Arrays
Numpy
Python
Nan
When and how to use Tornado? When is it useless?
Python
Asynchronous
Nonblocking
Tornado
How to round a floating point number up to a certain decimal place?
Python
Floating Point
Python: How to remove empty lists from a list?
Python
List
Creating a new corpus with NLTK
Python
Nlp
Nltk
Corpus
How do I use a dictionary to update fields in Django models?
Python
Database
Django
manage.py runserver
Python
Django
How to find datetime 10 mins after current time?
Python
Datetime
sending NaN in json
Python
Json
Serialization
Nan
Matplotlib: how to set the current figure?
Python
Matplotlib
What is StringIO in python used for in reality?
Python
String
Caching
Io
Using PIL to turn a RGB image into a pure black and white image
Python
Python Imaging-Library
Python 2.7
Remove leading and trailing slash / in python
Python
Django
Path
Strip
Is it possible to use Python to write cross-platform apps for both iOS and Android?
Python
Android
Ios
Cross Platform
Beeware
Make a dictionary with duplicate keys in Python
Python
Dictionary
Python - sum values in dictionary
Python
List
Dictionary
Python slice first and last element in list
Python
List
Slice
Subscript
How to copy directory recursively in python and overwrite all?
Python
Copy
Distutils
How can I run a celery periodic task from the shell manually?
Python
Django
Celery
Django Celery
Celery Task
Pandas timeseries plot setting x-axis major and minor ticks and labels
Python
Matplotlib
Pandas
Count all values in a matrix less than a value
Python
Arrays
Numpy
Pixel
Confused with python lists: are they or are they not iterators?
Python
List
Iterator
Django annotate count with a distinct field
Python
Django
Pretty print 2D list?
Python
Matrix
Remove rows not .isin('X')
Python
Filtering
Pandas
making matplotlib scatter plots from dataframes in Python's pandas
Python
Matplotlib
Plot
Dataframe
Pandas
Variable's memory size in Python
Python
Variables
Memory
How to write XML declaration using xml.etree.ElementTree
Python
Xml
Elementtree
What's the difference between logging.warn and logging.warning in Python?
Python
Logging
Warnings
python 3.2 UnicodeEncodeError: 'charmap' codec can't encode character '\u2013' in position 9629: character maps to <undefined>
Python
Python 3.x
Sqlite
Binary representation of float in Python (bits not hex)
Python
Binary
Floating Point
Testing code that requires a Flask app or request context
Python
Flask
How to assign a name to the size() column?
Python
Pandas
Example of what SQLAlchemy can do, and Django ORM cannot
Python
Sqlalchemy
Django Orm
Installing Pip-3.2 on Cygwin
Python
Python 3.x
Cygwin
Pip
Import arbitrary python source file. (Python 3.3+)
Python
Python 3.x
Python 3.3
ConfigParser reads capital keys and make them lower case
Python
Python 2.7
Best way to check function arguments?
Python
Function
Arguments
Simple guestbook django: __init__() takes 1 positional argument but 2 were given
Python
Django
How to close a SQLAlchemy session?
Python
Session
Sqlalchemy
nose vs pytest - what are the (subjective) differences that should make me pick either?
Python
Pytest
Nose
Python: how to edit an installed package?
Python
Pip
How to convert string to uppercase / lowercase in Jinja2?
Python
Jinja2
Python Accessing Nested JSON Data
Python
Json
How can I get the IP address from a NIC (network interface controller) in Python?
Python
Unix
Networking
Nic
python requests get cookies
Python
Python Requests
Installing OpenCV for Python on Ubuntu, getting ImportError: No module named cv2.cv
Python
Opencv
Ubuntu
Importerror
Iterate enum in definition order in Python 2
Python
Python 2.7
Enums
Querying for NaN and other names in Pandas
Python
Pandas
Converting list to numpy array
Python
Numpy
Scikit Learn
Django Model MultipleChoice
Python
Django
Django Models
mean, nanmean and warning: Mean of empty slice
Python
Numpy
Warnings
When should I use a custom Manager versus a custom QuerySet in Django?
Python
Django
Orm
Django Managers
Change user-agent for Selenium web-driver
Python
Selenium
Http Headers
User Agent
Matplotlib: How to force integer tick labels?
Python
Matplotlib
Plot
TypeError: 'list' object is not callable in python
Python
List
Get the name of a pandas DataFrame
Python
Pandas
Dataframe
Attributes
Pyspark: Exception: Java gateway process exited before sending the driver its port number
Java
Python
Macos
Apache Spark
Pyspark
How to extend Python Enum?
Python
Python 3.x
Enums
How to specify Python 3 source in Cython's setup.py?
Python
Python 3.x
Cython
What does x[x < 2] = 0 mean in Python?
Python
Python 2.7
Numpy
long running py.test stop at first failure
Python
Pytest
How to *actually* read CSV data in TensorFlow?
Python
Csv
Tensorflow
How to tell Keras stop training based on loss value?
Python
Machine Learning
Neural Network
Conv Neural-Network
Keras
How can I periodically execute a function with asyncio?
Python
Python 3.x
Tornado
Python 3.5
Python Asyncio
Using Keras & Tensorflow with AMD GPU
Python
Python 2.7
Opencl
Tensorflow
Keras
numpy: formal definition of "array_like" objects?
Python
Numpy
Is it possible to break a long function name across multiple lines?
Python
How to determine the length of lists in a pandas dataframe column
Python
Pandas
Count unique values using pandas groupby
Python
Pandas
Group By
TypeError: the JSON object must be str, not 'bytes'
Python
Json
Logging setLevel is being ignored
Python
Logging
Process finished with exit code 137 in PyCharm
Python
Pycharm
Xgboost
How to one-hot-encode from a pandas column containing a list?
Python
Pandas
Numpy
Scikit Learn
Sklearn Pandas
fit_transform() takes 2 positional arguments but 3 were given with LabelBinarizer
Python
Scikit Learn
Data Science
How do I split a custom dataset into training and test datasets?
Python
Deep Learning
Pytorch
How do I convert a list of ascii values to a string in python?
Python
String
Ascii
Ping a site in Python?
Python
Network Programming
Ping
Python - why use "self" in a class?
Python
Oop
Best method for reading newline delimited files and discarding the newlines?
Python
File
Readline
Python urllib2, basic HTTP authentication, and tr.im
Python
Http
Authentication
How to use PIL to make all white pixels transparent?
Python
Image
Python Imaging-Library
MySQL parameterized queries
Python
Mysql
Bind Variables
Where is Python's "best ASCII for this Unicode" database?
Python
Unicode
Ascii
How do I include image files in Django templates?
Python
Django
Django Templates
Does Python have anonymous classes?
Python
How to exit the entire application from a Python thread?
Python
Multithreading
JSON serialization of Google App Engine models
Python
Json
Google App-Engine
django syncdb and an updated model
Python
Django
Django Models
"For" loop first iteration
Python
Algorithm
Iteration
Finding elements not in a list
Python
List
What is the equivalent of php's print_r() in python?
Php
Python
Solving embarassingly parallel problems using Python multiprocessing
Python
Concurrency
Multiprocessing
Embarrassingly Parallel
Is there a memory efficient and fast way to load big JSON files?
Python
Json
Large Files
How to write Unix end of line characters in Windows?
Python
Newline
Putting newline in matplotlib label with TeX in Python?
Python
Plot
Graphing
Matplotlib
What does a leading `\x` mean in a Python string `\xaa`
Python
String
Escaping
Why are Python Programs often slower than the Equivalent Program Written in C or C++?
C++
Python
C
Performance
Programming Languages
How to get ° character in a string in python?
Python
String
Why use lambda functions?
Python
Lambda
Install particular version with easy_install
Python
Version
Easy Install
How to make heapq evaluate the heap off of a specific attribute?
Python
Data Structures
Heap
python: is it possible to attach a console into a running process
Python
Creating a class within a function and access a function defined in the containing function's scope
Python
Namespaces
Scope
Python method/function arguments starting with asterisk and dual asterisk
Python
Convert regular Python string to raw string
Python
String
Prepend a line to an existing file in Python
Python
Prepend
Return list of items in list greater than some value
Python
How do I use Django groups and permissions?
Python
Django
Django Permissions
What's the shortest way to count the number of items in a generator/iterator?
Python
Iterator
Generator
Iterable
Is there a way to make a discontinuous axis in Matplotlib?
Python
Matplotlib
Syntax in Python (.T)
Python
Numpy
Python PDF library
Python
Pdf
Pdf Generation
Assign variable in while loop condition in Python?
Python
While Loop
Variable Assignment
Background thread with QThread in PyQt
Python
Multithreading
Pyqt
Pyqt4
Qthread
How to show two figures using matplotlib?
Python
Matplotlib
Does Python have an argc argument?
Python
Linux
File Io
Error Handling
Arguments
How to get day name from datetime
Python
Datetime
Truncate to three decimals in Python
Python
Remove Sub String by using Python
Python
Regex
String
How do I return JSON without using a template in Django?
Python
Json
Django
Django Views
How can I do assignments in a list comprehension?
Python
List Comprehension
Redefining the Index in a Pandas DataFrame object
Python
Pandas
Dataframe
How do I concatenate a boolean to a string in Python?
Python
String
Casting
Boolean
Concatenation
python: read lines from compressed text files
Python
Large Files
Compression
How can I access global variable inside class in Python
Python
Scope
Global
Processing single file from multiple processes
Python
Multithreading
Multiprocessing
Summing elements in a list
Python
List
Sum
How do I get the current date and current time only respectively in Django?
Python
Django
Django Models
Is the server bundled with Flask safe to use in production?
Python
Flask
Werkzeug
matplotlib: 2 different legends on same graph
Python
Matplotlib
Legend
How to count rows with SELECT COUNT(*) with SQLAlchemy?
Python
Sql
Sqlalchemy
Easier way to enable verbose logging
Python
Python 2.7
Python Module Import: Single-line vs Multi-line
Python
Module
Get time of execution of a block of code in Python 2.7
Python
Python 2.7
Profiler
Add one year in current date PYTHON
Python
Date
Changing file permission in Python
Python
File Permissions
How can I build a model to distinguish tweets about Apple (Inc.) from tweets about apple (fruit)?
Java
Python
R
Machine Learning
Classification
How to check if a value is in the list in selection from pandas data frame?
Python
Select
Numpy
Pandas
Dataframe
python pip specify a library directory and an include directory
Python
Shared Libraries
Pip
Include Path
Pyodbc
How do you plot a vertical line on a time series plot in Pandas?
Python
Matplotlib
Plot
Pandas
Saving and loading multiple objects in pickle file?
Python
Class
Object
Python 3.x
Pickle
How to find pg_config path
Python
Django
Macos
Postgresql
Division in Python 2.7. and 3.3
Python
Python 2.7
Python 3.3
Division
Get Traceback of warnings
Python
Warnings
Traceback
GridSpec with shared axes in Python
Python
Matplotlib
AttributeError: can't set attribute in python
Python
Attributes
Flask example with POST
Python
Rest
Flask
Lxml
Celery parallel distributed task with multiprocessing
Python
Django
Multithreading
Multiprocessing
Celery
Adding a new pandas column with mapped value from a dictionary
Python
Pandas
Test if code is executed from within a py.test session
Python
Pytest
How can I concatenate str and int objects?
Python
String
Python 3.x
Concatenation
Python 2.x
python equivalent of R table
Python
R
Frequency
how to use python2.7 pip instead of default pip
Python
Linux
Django
Centos
Pip
SMTPAuthenticationError when sending mail using gmail and python
Python
Smtplib
StaleElementReferenceException on Python Selenium
Python
Html
Selenium Webdriver
Dom
Return Pandas dataframe from PostgreSQL query with sqlalchemy
Python
Postgresql
Pandas
Sqlalchemy
How to convert a pymongo.cursor.Cursor into a dict?
Python
Mongodb
Dictionary
Mongodb Query
Pymongo
Opposite of set.intersection in python?
Python
Set
Python in-memory cache with time to live
Python
Caching
Remove duplicates from dataframe, based on two columns A,B, keeping row with max value in another column C
Python
Pandas
Dataframe
Duplicates
How can I retrieve the current seed of NumPy's random number generator?
Python
Numpy
Random
Random Seed
Mersenne Twister
/usr/bin/python3: Error while finding spec for 'virtualenvwrapper.hook_loader' (<class 'ImportError'>: No module named 'virtualenvwrapper')
Python
Virtualenv
Virtualenvwrapper
ImportError: No module named 'Queue'
Python
Python Requests
How to assign a value to a TensorFlow variable?
Python
Tensorflow
Neural Network
Deep Learning
Variable Assignment
How to link PyCharm with PySpark?
Python
Apache Spark
Pyspark
Pycharm
Homebrew
Python pandas check if dataframe is not empty
Python
Python 3.x
Pandas
Conda uninstall one package and one package only
Python
Pip
Anaconda
Conda
Python: download files from google drive using url
Python
Download
Google Drive-Api
Urllib2
Pydrive
How to share conda environments across platforms
Python
Cross Platform
Conda
How can I change the host and port that the flask command uses?
Python
Flask
How to execute a * .PY file from a * .IPYNB file on the Jupyter notebook?
Python
Jupyter
How to remove default example dags in airflow
Python
Airflow
Python: How to pip install opencv2 with specific version 2.4.9?
Python
Opencv
Pip
Package
Mayavi colorbar in TraitsUI creating blank window
Python
Python 3.x
Enthought
Mayavi
Traitsui
Pandas read_csv dtype read all columns but few as string
Python
Pandas
Csv
AttributeError: module 'importlib' has no attribute 'util'
Python
Gcloud
Fedora
Python 3.9
RuntimeError: The current Numpy installation fails to pass a sanity check due to a bug in the windows runtime
Python
Numpy
Matplotlib
Pip
Virtualenv
How can I retrieve the page title of a webpage using Python?
Python
Html
Is it pythonic for a function to return multiple values?
Python
Function
Return Value
Multiple Return-Values
Calling Python in PHP
Php
Python
Python object deleting itself
Python
Memory Management
Instance
How do I set up Setuptools for Python 2.6 on Windows?
Python
Windows
Setuptools
Creating a list of objects in Python
Python
List
Object
Loops
Accepting email address as username in Django
Python
Django
Authentication
What is the correct way to set Python's locale on Windows?
Python
Windows
Localization
Internationalization
Overriding "+=" in Python? (__iadd__() method)
Python
Operators
Overriding
fcntl substitute on Windows
Python
Windows
Linux
How do I read two lines from a file at a time using python
Python
any() function in Python with a callback
Python
Functional Programming
Callback
Any
When will Jython support Python 3?
Python
Python 3.x
Jython
Proper way to assert type of variable in Python
Python
Testing
Assert
How to find the real user home directory using python?
Python
Linux
Windows
Directory
Home Directory
How to replace only part of the match with python re.sub
Python
Regex
Date difference in minutes in Python
Python
Datetime
How to prevent my site page to be loaded via 3rd party site frame of iFrame
Php
Python
Iframe
Http Headers
Frame
Why are Python exceptions named "Error"?
Java
Python
Exception
How do I add space between the ticklabels and the axes in matplotlib
Python
Matplotlib
Calling a python method from C/C++, and extracting its return value
C++
Python
C
Python C-Api
Python Embedding
Python Database connection Close
Python
Database Connection
What is the difference between pickle and shelve?
Python
Object
Pickle
Shelve
Object Serialization
load csv into 2D matrix with numpy for plotting
Python
Arrays
Csv
Numpy
Reshape
Only extracting text from this element, not its children
Python
Parsing
Text
Beautifulsoup
Python unexpected EOF while parsing
Python
Eof
Python 2.x
Compile main Python program using Cython
Python
Cython
How to test or mock "if __name__ == '__main__'" contents
Python
Unit Testing
Testing
Mocking
Python Import
Joining pairs of elements of a list
Python
String
List
Join
Python, default keyword arguments after variable length positional arguments
Python
Variadic Functions
Python 2.x
Named Parameters
Default Parameters
Type of compiled regex object in python
Python
Regex
Types
How to append to the end of an empty list?
Python
Python functools.wraps equivalent for classes
Python
Decorator
Determine prefix from a set of (similar) strings
Python
String
Prefix
Is there a Java equivalent of Python's 'enumerate' function?
Java
Python
Iterator
Shebang Notation: Python Scripts on Windows and Linux?
Python
Windows
Linux
Shebang
How do I get JSON data from RESTful service using Python?
Python
Json
Rest
Kerberos
What exactly should be set in PYTHONPATH?
Python
What does this Django regular expression mean? `?P`
Python
Regex
Django
Capturing Group
Force Overwrite in Os.Rename
Python
set environment variable in python script
Python
Export
Convert string to ASCII value python
Python
Ascii
How do I find Wally with Python?
Python
Image Processing
Machine Learning
Computer Vision
module has no attribute
Python
datetime from string in Python, best-guessing string format
Python
Datetime
What is difference between sys.exit(0) and os._exit(0)
Python
Importing modules in Python - best practice
Python
Coding Style
Workflow
Python Import
NameError: name 'reload' is not defined
Python
Python 3.x
How to make an "always relative to current module" file path?
Python
Module
Relative Path
Insert line at middle of file with Python?
Python
Plot multiple Y axes
Python
Pandas
Why is SQLAlchemy insert with sqlite 25 times slower than using sqlite3 directly?
Python
Orm
Sqlite
Sqlalchemy
Module function vs staticmethod vs classmethod vs no decorators: Which idiom is more pythonic?
Python
Static Methods
How do I pass options to the Selenium Chrome driver using Python?
Python
Google Chrome
Selenium
Selenium Chromedriver
What is different between makedirs and mkdir of os?
Python
Linux
Python 2.7
Tkinter scrollbar for frame
Python
Tkinter
Scrollbar
Frame
for x in y(): how does this work?
Python
Generator
Yield
Why does append() always return None in Python?
Python
List
Append
Nonetype
How to run unittest discover from "python setup.py test"?
Python
Unit Testing
Nose
Pytest
Unittest2
How to get the current working directory using python 3?
Python
Python 3.x
Working Directory
File Location
Rounding to two decimal places in Python 2.7?
Python
Python 2.7
Rounding
Pass percentiles to pandas agg function
Python
Pandas
Numpy
Aggregate
pandas select from Dataframe using startswith
Python
Numpy
Pandas
Preserving global state in a flask application
Python
Flask
Global
State
What’s the difference between a project and an app in Django world?
Python
Django
In Python NumPy what is a dimension and axis?
Python
Numpy
How to pad a string to a fixed length with spaces in Python?
Python
String
Format
Scheduling Python Script to run every hour accurately
Python
Python 3.x
Cron
Scheduled Tasks
Cron Task
What is the purpose of collections.ChainMap?
Python
Python 3.x
Dictionary
Data Structures
Collections
Python iterating through object attributes
Python
Python 2.7
Object
For Loop
How do I run two separate instances of Spyder
Python
Multiple Instances
Spyder
Pandas Plotting with Multi-Index
Python
Pandas
Matplotlib
Seaborn
Bar Chart
OpenCV Python: cv2.findContours - ValueError: too many values to unpack
Python
Opencv
Image Processing
Opencv Contour
Build a wheel/egg and all dependencies for a python project
Python
Windows
Egg
Python Wheel
Pandas to_html() truncates string contents
Python
Html
Pandas
Is there a way to copy only the structure (not the data) of a Pandas DataFrame?
Python
Pandas
Dataframe
How do I sum values in a column that match a given condition using pandas?
Python
Pandas
Dataframe
Data Analysis
Why don't I get any syntax errors when I execute my Python script with Perl?
Python
Perl
Plot width settings in ipython notebook
Python
Matplotlib
Jupyter Notebook
Ipython
Create a day-of-week column in a Pandas dataframe using Python
Python
Datetime
Pandas
Merge pandas dataframes where one value is between two others
Python
Pandas
Join
Timespan
Date Range
Boto3/S3: Renaming an object using copy_object
Python
Amazon Web-Services
Amazon S3
Boto3
TypeError: list indices must be integers or slices, not str
Python
Arrays
List
Csv
Putting many python pandas dataframes to one excel worksheet
Python
Excel
Pandas
Dataframe
Xlsxwriter
What is the benefit of using a HyperlinkedModelSerializer in DRF?
Python
Django
Django Rest-Framework
Combine awaitables like Promise.all
Python
Python 3.x
Async Await
Future
Python Asyncio
What's 0xFF for in cv2.waitKey(1)?
Python
Opencv
Hex
finding first day of the month in python
Python
Datetime
Unit tests for functions in a Jupyter notebook?
Python
Unit Testing
Testing
Jupyter
Reproducible Research
How to create in-memory file object
Python
Io
Pandas: drop columns with all NaN's
Python
Pandas
Dataframe
In Place
Failed to activate virtualenv with pyenv
Python
Bash
Virtualenv
Pyenv
'No application found. Either work inside a view function or push an application context.'
Python
Flask
Flask Sqlalchemy
Error loading MySQLdb Module 'Did you install mysqlclient or MySQL-python?'
Python
Mysql
Django
Phpmyadmin
How to get only the name of the path with python?
Python
How to resolve TypeError: can only concatenate str (not "int") to str
Python
Unicode
Type annotations for Enum attribute
Python
Python 3.x
Enums
Type Hinting
Python Typing
Python3.6 AttributeError: module 'asyncio' has no attribute 'run'
Python
Python 3.6
Python Asyncio
spacy Can't find model 'en_core_web_sm' on windows 10 and Python 3.5.3 :: Anaconda custom (64-bit)
Python
Python 3.x
Nlp
Spacy
Does Python forbid two similarly looking Unicode identifiers?
Python
Unicode
What's the mathematical reason behind Python choosing to round integer division toward negative infinity?
Python
C++
Python 3.x
Rounding
Integer Division
Convert Bytes to Floating Point Numbers?
Python
Floating Point
Built in Python hash() function
Python
Google App-Engine
Hash
How do I access the child classes of an object in django without knowing the name of the child class?
Python
Django
Many to-Many
What’s the point of inheritance in Python?
Python
Oop
Inheritance
Data structure for maintaining tabular data in memory?
Python
Data Structures
Barchart with vertical labels in python/matplotlib
Python
Charts
Matplotlib
Bar Chart
Comma separated lists in django templates
Python
Django
List
Django Templates
Can Python's logging format be modified depending on the message log level?
Python
Logging
String Formatting
Thread local storage in Python
Python
Multithreading
Thread Local-Storage
Creating class instance properties from a dictionary?
Class
Python
Komodo
Grep and Python
Python
Regex
Grep
Django: signal when user logs in?
Python
Django
Login
Signals
Using Django database layer outside of Django?
Python
Mysql
Django
Python Decimals format
Python
Decimal
How to get the original variable name of variable passed to a function
Python
Function
Variables
Connecting to a host listed in ~/.ssh/config when using Fabric
Python
Ssh
Fabric
Django Model Mixins: inherit from models.Model or from object?
Python
Remove Last Path Component In a String
Python
String
python: urllib2 how to send cookie with urlopen request
Python
Urllib2
How to get current isoformat datetime string including the default timezone?
Python
Datetime
Datetime Format
Python strip() multiple characters?
Python
Unit testing with django-celery?
Python
Django
Unit Testing
Celery
Unit testing with django-celery?
Python
Django
Unit Testing
Celery
How to call Python functions dynamically
Python
Functional Programming
How do I find the distance between two points?
Python
Math
Pass multiple parameters to concurrent.futures.Executor.map?
Python
Concurrency
Iterator
Future
Map Function
Regex to extract URLs from href attribute in HTML with Python
Python
Regex
Url
What is the most efficient way to check if a value exists in a NumPy array?
Python
Performance
Numpy
sparse 3d matrix/array in Python?
Python
Numpy
Scipy
Sparse Matrix
Is there a way to get a list of column names in sqlite?
Python
Database
Sqlite
How do I write to a Python subprocess' stdin?
Python
Subprocess
Stdin
Nuke
Using quotation marks inside quotation marks
Python
String
Python 2.7
How to dynamically change base class of instances at runtime?
Python
Inheritance
Dynamic
Retry Celery tasks with exponential back off
Python
Celery
Django Celery
Usage of unicode() and encode() functions in Python
Python
String
Sqlite
Unicode
Encoding
Django post_save() signal implementation
Python
Django
Django Models
Django Signals
Resampling a numpy array representing an image
Python
Image Processing
Numpy
Scipy
Python Imaging-Library
How to run Scrapy from within a Python script
Python
Web Scraping
Web Crawler
Scrapy
How to take partial screenshot with Selenium WebDriver in python?
Python
Selenium
Deserialize a json string to an object in python
Python
Json
How to strip comma in Python string
Python
String
Strip
matplotlib: Group boxplots
Python
Matplotlib
Boxplot
Pandas: Appending a row to a dataframe and specify its index label
Python
Pandas
Convert dictionary entries into variables
Python
Dictionary
How to convert columns into one datetime column in pandas?
Python
Pandas
Datetime
Finding common rows (intersection) in two Pandas dataframes
Python
Pandas
Dataframe
Intersect
Construct pandas DataFrame from list of tuples of (row,col,values)
Python
Python 2.7
Pandas
Pivot
How to qcut with non unique bin edges?
Python
Pandas
Virtual environment in R?
R
Python
Pandas: Get unique MultiIndex level values by label
Python
Pandas
How to get HTML from a beautiful soup object
Python
Html
Beautifulsoup
Html Parsing
Python Mixed Integer Linear Programming
Python
Linear Programming
Glpk
Integer Programming
How do I use basic HTTP authentication with the python Requests library?
Python
Api
Python Requests
Appdynamics
How to save a list to a file and read it as a list type?
Python
List
File
Python 3.x
Pickle
Pandas merge two dataframes with different columns
Python
Pandas
Dataframe
Data Munging
what are all the dtypes that pandas recognizes?
Python
Python 3.x
Pandas
Set difference versus set subtraction
Python
Set
Subtraction
Set Difference
Celery difference between concurrency, workers and autoscaling
Python
Concurrency
Celery
Can Golang multiply strings like Python can?
Python
String
Python 3.x
Go
How to remove punctuation marks from a string in Python 3.x using .translate()?
Python
Python 3.x
How do I raise a FileNotFoundError properly?
Python
Python 3.x
File Not-Found
Why is it possible to replace sometimes set() with {}?
Python
Set
Importing data from a MySQL database into a Pandas data frame including column names
Python
Mysql
Sql
Pandas
Numpy
Pandas number rows within group in increasing order
Python
Python 3.x
Pandas
Pandas Groupby
Rank
Get class labels from Keras functional model
Python
Keras
How to disable password request for a Jupyter notebook session?
Python
Ipython
Jupyter Notebook
Python 3.5
Jupyter
How to measure server response time for Python requests POST-request
Python
Python 3.x
Server
Network Programming
Python Requests
Python AttributeError: 'module' object has no attribute 'SSL_ST_INIT'
Python
Openssl
Pyopenssl
Unresolved attribute reference 'objects' for class '' in PyCharm
Python
Django
Pycharm
How does Keras handle multilabel classification?
Python
Neural Network
Keras
Multilabel Classification
Why is starred iterable unpacking in a return statement invalid syntax without parentheses before Python 3.8?
Python
Python 3.x
Return
Tuples
Iterable Unpacking
Execute a function after Flask returns response
Python
Multithreading
Flask
mypy, type hint: Union[float, int] -> is there a Number type?
Python
Type Hinting
Mypy
Python Typing
Union Types
Type hints when unpacking a tuple?
Python
Python 3.x
Type Hinting
Python Typing
Iterable Unpacking
I can't install pyaudio on Windows? How to solve "error: Microsoft Visual C++ 14.0 is required."?
Python
Python 3.x
Windows
Pyaudio
seaborn scatterplot marker size for ALL markers
Python
Matplotlib
Seaborn
Selenium: WebDriverException:Chrome failed to start: crashed as google-chrome is no longer running so ChromeDriver is assuming that Chrome has crashed
Python
Selenium
Google Chrome
Selenium Webdriver
Selenium Chromedriver
How to set the value of dataclass field in __post_init__ when frozen=True?
Python
What is wrong with using a bare 'except'?
Python
Except
Is there a way to convert indentation in Python code to braces?
Python
Accessibility
Python packages and egg-info directories
Python
Setuptools
Egg
Easiest way to rm -rf in Python
Python
Simple syntax for bringing a list element to the front in python?
Python
Why is there no first(iterable) built-in function in Python?
Python
Iterator
Generator
Python: using 4 spaces for indentation. Why?
Python
Indentation
Conventions
Pep8
Is it possible to go into ipython from code?
Python
Shell
Debugging
Ipython
Pdb
Fastest way to convert a dict's keys & values from `unicode` to `str`?
Python
Casting
Types
Is there a 'multimap' implementation in Python?
Python
Dictionary
How to read datetime back from sqlite as a datetime instead of string in Python?
Python
Datetime
Sqlite
PDF Parsing Using Python - extracting formatted and plain texts
Python
Pdf
Parsing
Text Extraction
Information Extraction
Django ModelForm for Many-to-Many fields
Python
Django
Django Forms
Is there a built-in or more Pythonic way to try to parse a string to an integer
Python
Parsing
Integer
How does one monkey patch a function in python?
Python
Monkeypatching
Linking a qtDesigner .ui file to python/pyqt?
Python
User Interface
Qt
Pyqt
Qt Designer
How to pickle yourself?
Python
Pickle
What is the best way for checking if the user of a script has root-like privileges?
Python
Root
Privileges
python: naming a module that has a two-word name
Python
Naming Conventions
Passing all arguments of a function to another function
Python
Function
Arguments
How do I catch a specific HTTP error in Python?
Python
Http
Urllib2
Urllib
Validating a yaml document in python
Python
Yaml
Validation
Python: Uniqueness for list of lists
Python
Unique
Python -Intersection of multiple lists?
Python
List
Set
Intersection
So what exactly does “from __future__ import barry_as_FLUFL” do?
Python
Operators
Split a string with unknown number of spaces as separator in Python
Python
How to create a spinning command line cursor?
Python
Command Line-Interface
Progress
Python: get datetime for '3 years ago today'
Python
Datetime
Timedelta
Python db-api: fetchone vs fetchmany vs fetchall
Python
Mysql
Python Db-Api
What's so cool about Twisted?
Python
Comparison
Twisted
Using self.xxxx as a default parameter - Python
Python
Object
Recursion
Tree
How do you pick "x" number of unique numbers from a list in Python?
Python
List
Random
Python: get a dict from a list based on something inside the dict
Python
Performance
List
Dictionary
Size of list in memory
Python
Python 3.x
Get unicode code point of a character using Python
Python
Python 2.7
Unicode
Codepoint
Python argparse - Add argument to multiple subparsers
Python
Argparse
Concatenate Numpy arrays without copying
Python
Multidimensional Array
Numpy
Efficient thresholding filter of an array with numpy
Python
Filter
Numpy
Threshold
Telling Python to save a .txt file to a certain directory on Windows and Mac
Python
Python script for Django app to access models without using manage.py shell
Python
Django
Django Models
Why are NumPy arrays so fast?
Python
Arrays
Numpy
Pythonic way to check if something exists?
Python
If Statement
WTForms Can I add a placeholder attribute when I init a field?
Python
Wtforms
How to create a fix size list in python?
Python
List
What's the difference between __builtin__ and __builtins__?
Python
Python 3.x
Python 2.7
Language Design
Python Module
Path to a file without basename
Python
missing python bz2 module
Python
Linux
Bzip2
Generating a Random Hex Color in Python
Python
Django
Concatenating two range function results
Python
Python 3.x
Range
Concatenation
What is the cause of the Bad Request Error when submitting form in Flask application?
Python
Forms
Post
Flask
Bad Request
c++11 regex slower than python
C++
Python
Regex
Performance
C++11
Common folder/file structure in Flask app
Python
Flask
How to change index of a for loop?
Python
For Loop
What is the difference between chain and chain.from_iterable in itertools?
Python
Iterator
Itertools
python format string thousand separator with spaces
Python
String Formatting
Difference between class and instance methods
Python
python list comprehension double for
Python
List Comprehension
Unable to install Pygame using pip
Python
Pygame
Installation
Pip
What is the recommended way of allocating memory for a typed memory view?
Python
Memory
Memory Management
Buffer
Cython
How do I run tox in a project that has no setup.py?
Python
Unit Testing
Distutils
Tox
How to convert a list of numbers to jsonarray in Python
Python
Json
Argparse: how to handle variable number of arguments (nargs='*')
Python
Argparse
Latest 'pip' fails with "requires setuptools >= 0.8 for dist-info"
Python
Pip
Setuptools
Python Wheel
How can I create a random number that is cryptographically secure in python?
Python
Random
Cryptography
Difference between Python self and Java this
Java
Python
This
Self
Check if a number is odd or even in Python
Python
Blocking and Non Blocking subprocess calls
Python
Subprocess
How to delete all instances of a character in a string in python?
Python
String
Python 2.7
Replace
auto.arima() equivalent for python
Python
R
Time Series
Statsmodels
Forecasting
Pandas long to wide reshape, by two variables
Python
Pandas
Stata
Reshape
awscli not added to path after installation
Python
Macos
Amazon Web-Services
Pip
Passing multiple parameters to pool.map() function in Python
Python
Multiprocessing
Pool
Map Function
Running Python from Atom
Python
Atom Editor
Django 1.7 - "No migrations to apply" when run migrate after makemigrations
Python
Django
How to make pip "dry-run"?
Python
Pip
Split a string only by first space in python
Python
String
Split
What is python-dev package used for
Python
Header Files
Cpython
sql.h not found when installing PyODBC on Heroku
Python
Heroku
Pyodbc
Does R have function startswith or endswith like python?
Python
R
String
Startswith
Ends With
Generator as function argument
Python
Python 3.x
Syntax
Python 2.x
Generator Expression
How can numpy be so much faster than my Fortran routine?
Python
Arrays
Performance
Numpy
Fortran
python multiple inheritance passing arguments to constructors using super
Python
Multiple Inheritance
Super
Diamond Problem
Counterintuitive behaviour of int() in python
Python
How do I convert a Python UUID into a string?
Python
String
Uuid
How do I use cache_clear() on python @functools.lru_cache
Python
Python 3.x
How to Add Incremental Numbers to a New Column Using Pandas
Python
Pandas
Dataframe
IPython and Jupyter autocomplete not working
Python
Jupyter Notebook
Ipython
Reading an JSON file from S3 using Python boto3
Python
Json
Amazon Web-Services
Amazon S3
Boto3
What is the difference between using squared brackets or dot to access a column?
Python
Pandas
Dataframe
Indexing
Meaning of inter_op_parallelism_threads and intra_op_parallelism_threads
Python
Parallel Processing
Tensorflow
Distributed Computing
Pandas Split Dataframe into two Dataframes at a specific row
Python
Pandas
Numpy
Dataframe
How to parametrize a Pytest fixture
Python
Pytest
Docker process killed with cryptic `Killed` message
Python
Macos
Docker
Docker Machine
TypeHinting tuples in Python
Python
Type Hinting
Python type hints and context managers
Python
Mypy
Visual Studio Code: Intellisense not working
Python
Django
Visual Studio-Code
Issues when attaching and detaching external app from QDockWidget
Python
Windows
Qt
Pyqt
Qtwidgets
How to use Jupyter notebooks in a conda environment?
Python
Jupyter Notebook
Environment Variables
Jupyter
Conda
How do I install python on alpine linux?
Python
Linux
Alpine
XML Processing in Python
Python
Xml
Shortest Sudoku Solver in Python - How does it work?
Python
Algorithm
Combining two sorted lists in Python
Python
List
Sorting
Why True/False is capitalized in Python?
Python
Camelcasing
Regular expression: match start or whitespace
Python
Regex
Is there a way to change effective process name in Python?
Python
Process
Arguments
Hide
Ps
Django form - set label
Python
Django
Inheritance
Django Forms
Customize/remove Django select box blank option
Python
Django
Django Models
Django Forms
Circular dependency in Python
Python
Circular Dependency
What is the underlying data structure for Python lists?
Python
List
Data Structures
Best way to randomize a list of strings in Python
Python
String
Random
Python unittest: how to run only part of a test file?
Python
Unit Testing
Python Unittest
Two's Complement in Python
Python
Bit Manipulation
Twos Complement
What is causing ImportError: No module named pkg_resources after upgrade of Python on os X?
Python
Ipython
Convert ConfigParser.items('') to dictionary
Python
How can I programmatically obtain the max_length of a Django model field?
Python
Django
Django Models
Oop
Python pickling after changing a module's directory
Python
Pickle
Get the nth item of a generator in Python
Python
Generator
Python urllib2 Basic Auth Problem
Python
Authentication
Urllib2
Why does x,y = zip(*zip(a,b)) work in Python?
Python
What is the fastest (to access) struct-like object in Python?
Python
Performance
Data Structures
Python: check if an object is a sequence
Python
If Statement
Sequence
Sequences
Is it possible to assign the same value to multiple keys in a dict object at once?
Python
Syntax
Dictionary
How to bind arguments to given values in Python functions?
Python
Celery - Get task id for current task
Python
Django
Celery
How to import a csv file using python with headers intact, where first column is a non-numerical
Python
Csv
How to downcase the first character of a string?
Python
String
Is there a way to make the Tkinter text widget read only?
Python
Text
Tkinter
Generate password in python
Python
Passwords
print python stack trace without exception being raised
Python
Debugging
Stack Trace
What sets up sys.path with Python, and when?
Python
Path
How to set opacity of background colour of graph with Matplotlib
Python
Matplotlib
Alpha
how to sort by length of string followed by alphabetical order?
Python
Sorting
How are strings compared?
Python
String
Comparison
How to organize a Python Project?
Python
Pydev
Project Structure
Project Organization
Multi-level defaultdict with variable depth?
Python
Dictionary
Thread vs. Threading
Python
Multithreading
Python Multithreading
Easy way of finding decimal places
Python
String
Decimal
Why aren't Python sets hashable?
Python
Hash
Set
Matplotlib - label each bin
Python
Matplotlib
Visualization
Histogram
Graphing
How to make a copy of a 2D array in Python?
Python
Arrays
Object
Copy
Variable Assignment
bit-wise operation unary ~ (invert)
Python
Bit Manipulation
is python capable of running on multiple cores?
Python
Multithreading
Can i cycle through line styles in matplotlib
Python
Matplotlib
Define a method outside of class definition?
Python
Class
Methods
Unit testing a python app that uses the requests library
Python
Unit Testing
Testing
Mocking
Python Requests
Which classes cannot be subclassed?
Python
Class
Inheritance
Python 3.x
Language Design
How to find out whether a file is at its `eof`?
Python
File
Eof
Parsing time string in Python
Python
Datetime
Datetime Parsing
Use scikit-learn to classify into multiple categories
Python
Classification
Scikit Learn
How to set different levels for different python log handlers
Python
Logging
Determining how many times a substring occurs in a string in Python
Python
String
How can I tell if NumPy creates a view or a copy?
Python
Numpy
Copy
Mesh grid functions in Python (meshgrid mgrid ogrid ndgrid)
Python
Numpy
Scipy
How to embed matplotlib in pyqt - for Dummies
Python
Matplotlib
Pyqt4
How to left align a fixed width string?
Python
String Formatting
Looping through python regex matches
Python
Regex
Nested Loops
What exactly is a "raw string regex" and how can you use it?
Python
Regex
Python Module
Rawstring
Read from a gzip file in python
Python
Python 2.7
Gzip
How do I create documentation with Pydoc?
Python
Documentation
Python 3.x
Documentation Generation
Pydoc
Python daemon and systemd service
Python
Python Daemon
Systemd
How does condensed distance matrix work? (pdist)
Python
Numpy
Scipy
How to obtain values of request variables using Python and Flask
Python
Variables
Request
Flask
How to calculate the sum of all columns of a 2D numpy array (efficiently)
Python
Numpy
ValueError: invalid literal for int () with base 10
Python
Python 3.x
how to store a complex object in redis (using redis-py)
Python
Redis
Redisjson
Use list comprehension to build a tuple
Python
shuffling/permutating a DataFrame in pandas
Python
Numpy
Pandas
Psycopg2 image not found
Python
Macos
Postgresql
Psycopg2
Can PyYAML dump dict items in non-alphabetical order?
Python
Dictionary
Yaml
Pyyaml
Understanding metaclass and inheritance in Python
Python
Inheritance
Metaclass
Finding the intersection between two series in Pandas
Python
Pandas
Series
Intersection
Binary random array with a specific proportion of ones?
Python
Arrays
Random
Numpy
Random Sample
How to document a module constant in Python?
Python
Python Sphinx
Restructuredtext
Getting "cannot write mode P as JPEG" while operating on JPG image
Python
Macos
Python Imaging-Library
Pillow
How to scrape a website which requires login using python and beautifulsoup?
Python
Web Scraping
Beautifulsoup
Getting min and max Dates from a pandas dataframe
Python
Datetime
Pandas
Why do backslashes appear twice?
Python
String
Escaping
Backslash
Repr
Infinite integer in Python
Python
Python 3.x
Math
Infinity
Python requests speed up using keep-alive
Python
Http
Python Requests
Python Sockets
Check if string has date, any format
Python
String
Macos
Date
Datetime
How to iterate over arguments
Python
Argparse
How do I debug efficiently with Spyder in Python?
Python
Debugging
Spyder
Setuptools "development" Requirements
Python
Setuptools
Requirements
Plotting multiple lines, in different colors, with pandas dataframe
Python
Pandas
Plot
How to properly create and run concurrent tasks using python's asyncio module?
Python
Concurrency
Task
Python 3.4
Python Asyncio
How to uninstall mini conda? python
Python
Pip
Uninstallation
Conda
Miniconda
How to run a flask application?
Python
Flask
Scikit-learn train_test_split with indices
Python
Scipy
Scikit Learn
Classification
Python mock Patch os.environ and return value
Python
Unit Testing
Python 3.x
Dependency Injection
Mocking
Convert Select Columns in Pandas Dataframe to Numpy Array
Python
Numpy
Pandas
Pandas: Convert Timestamp to datetime.date
Python
Datetime
Pandas
Timestamp
How do I fill a column with one value in Pandas?
Python
Pandas
Get all documents of a collection using Pymongo
Python
Mongodb
Pymongo
Coalesce values from 2 columns into a single column in a pandas dataframe
Python
Pandas
Numpy
Dataframe
Installing a pip package from within a Jupyter Notebook not working
Python
Ipython
Anaconda
Jupyter
Jupyter Notebook
Gunicorn, no module named 'myproject
Python
Django
Nginx
Gunicorn
How to get everything from the list except the first element using list slicing
Python
Python 2.7
List
Python 3.x
Pyspark: Split multiple array columns into rows
Python
Apache Spark
Dataframe
Pyspark
Apache Spark-Sql
OSError: [Errno 18] Invalid cross-device link
Python
Django
Database
Settings
Backend
s3 urls - get bucket name and path
Python
Boto3
Serving a front end created with create-react-app with Flask
Python
Reactjs
Flask
Create React-App
How to do product of matrices in PyTorch
Python
Matrix
Pytorch
What happens when you assign the value of one variable to another variable in Python?
Python
Variables
Object
group by week in pandas
Python
Pandas
Date
Group By
Understanding torch.nn.Parameter
Python
Pytorch
How to get more than 1000 objects from S3 by using list_objects_v2?
Python
Amazon S3
Boto3
NameError: name 'List' is not defined
Python
Python 3.x
Python Typing
Conda install and update do not work also solving environment get errors
Python
Anaconda
Conda
"WARNING: Value for scheme.data does not match" when I try to update pip or install packages
Python
Python 3.x
Pip
Sending mail via sendmail from python
Python
Email
Sendmail
Image Processing, In Python?
Python
Image
Image Processing
Image Manipulation
Python: changing methods and attributes at runtime
Python
Reflection
Runtime
Difference between dir(…) and vars(…).keys() in Python?
Python
How to strip decorators from a function in Python
Python
Decorator
How can I parse JSON in Google App Engine?
Python
Json
Google App-Engine
Delete multiple files matching a pattern
Python
Types that define `__eq__` are unhashable?
Python
Hash
Python 3.x
Turn string into operator
Python
Evaluation
How do I tell PyLint "it's a variable, not a constant" to stop message C0103?
Python
Pylint
Private members in Python
Python
Class
Oop
Member Variables
Django Query That Get Most Recent Objects From Different Categories
Python
Django
Django Queryset
Greatest N-per-Group
Python function pointer
Python
Function Pointers
Comparing a time delta in python
Python
Datetime
Timedelta
Why does Python's __import__ require fromlist?
Python
Python Import
Python parse comma-separated number into int
Python
String Conversion
ubuntu /usr/bin/env: python: No such file or directory
Python
Ubuntu 9.04
Is there a Python equivalent to Ruby symbols?
Python
Ruby
Dictionary
Symbols
Language Comparisons
Find size and free space of the filesystem containing a given file
Python
Linux
Filesystems
Diskspace
Vfs
Pythonic difference between two dates in years?
Python
Datetime
Simple URL GET/POST function in Python
Python
Http
Sqlite3, OperationalError: unable to open database file
Python
Sqlite
setup.py and adding file to /bin/
Python
How to empty a file using Python
Python
Differences between node.js and Tornado
Javascript
Python
Comparison
node.js
Tornado
Why would I put code in __init__.py files?
Python
Module
Class with too many parameters: better design strategy?
Python
Oop
Neuroscience
Purpose of else and finally in exception handling
Python
permutations with unique values
Python
Permutation
Itertools
Exception thrown in multiprocessing Pool not detected
Python
Exception
Multiprocessing
Generating HTML documents in python
Python
Html
Rotation of 3D vector?
Python
Vector
Rotation
Print the actual query MySQLdb runs?
Python
Mysql
Mysql Python
Python decoding Unicode is not supported
Python
Encoding
Utf 8
Character Encoding
How to add line based on slope and intercept in Matplotlib?
Python
Matplotlib
SQLAlchemy, get object not bound to a Session
Python
Sqlalchemy
Is there a way to negate a boolean returned to variable?
Python
Django
How to solve a pair of nonlinear equations using Python?
Python
Numpy
Scipy
Sympy
Using a dictionary to select function to execute
Python
Function
Dictionary
Inspect
Connecting postgresql with sqlalchemy
Python
Database
Postgresql
Orm
Sqlalchemy
Using setattr() in python
Python
Setattr
Python format throws KeyError
Python
Ordinal numbers replacement
Python
Nlp
Nltk
Ordinals
Which is the best way to check for the existence of an attribute?
Python
Attributes
TypeError: 'int' object is not callable
Python
Python 2.7
What does .shape[] do in "for i in range(Y.shape[0])"?
Python
Numpy
Matplotlib
Scipy
Assigning a function to a variable
Python
How are tuples unpacked in for loops?
Python
Python 3.x
Tuples
Iterable Unpacking
In Javascript a dictionary comprehension, or an Object `map`
Javascript
Jquery
Python
Python Virtualenv - No module named virtualenvwrapper.hook_loader
Python
Virtualenv
Virtualenvwrapper
Where do I define the domain to be used by url_for() in Flask?
Python
Flask
Url For
Get a function argument's default value?
Python
Python: using sys.exit or SystemExit differences and suggestions
Python
Performance
Coding Style
Selenium Webdriver finding an element in a sub-element
Python
Xpath
Selenium
Python: skip comment lines marked with # in csv.DictReader
Python
Csv
Comments
Catching DoesNotExist exception in a custom manager in Django
Python
Django
Exception
Django Custom-Manager
How can I change the default Mysql connection timeout when connecting through python?
Python
Mysql
Corpus
pros and cons between os.path.exists vs os.path.isdir
Python
Directory
os.path
python dictionary passed as an input to a function acts like a global in that function rather than a local
Python
Variables
Dictionary
Global
Local
Calculate cosine similarity given 2 sentence strings
Python
String
Nlp
Similarity
Cosine Similarity
Does PyCharm support Jinja2?
Python
Jinja2
Pycharm
Averaging over every n elements of a numpy array
Python
Numpy
Average
Get exit code and stderr from subprocess call
Python
Python 3.x
Change figure size and figure format in matplotlib
Python
Python 2.7
Python 3.x
Matplotlib
How to create user from django shell
Python
Django
Django Shell
Custom PyCharm docstring stubs (i.e. for google docstring or numpydoc formats)
Python
Pycharm
Docstring
Doctest
Sphinx Napoleon
How to extract a filename from a URL & append a word to it?
Python
Django
How to open file using argparse?
Python
Argparse
Fitting a Normal distribution to 1D data
Python
Numpy
Matplotlib
Scipy
Python Pandas add column for row-wise max value of selected columns
Python
Python 2.7
Pandas
Max
Py.test No module named *
Python
Pytest
Difference between AbstractUser and AbstractBaseUser in Django?
Python
Django
Inverse of a matrix using numpy
Python
Numpy
Matrix
Concatenate two NumPy arrays vertically
Python
Arrays
Numpy
Concatenation
Change y range to start from 0 with matplotlib
Python
Matplotlib
django - comparing old and new field value before saving
Python
Django
Django Signals
Importing correctly with pytest
Python
Import
Pytest
Counting non zero values in each column of a DataFrame in python
Python
Pandas
Dataframe
Pandas Groupby
How to use NOT IN clause in sqlalchemy ORM query
Python
Mysql
Sqlalchemy
Pandas groupby month and year
Python
Pandas
Case insensitive argparse choices
Python
Argparse
Case Insensitive
How to convert an XML file to nice pandas dataframe?
Python
Xml
Pandas
Dataframe
Parsing
Trying to parse `request.body` from POST in Django
Python
Json
Django
Python 3.x
backbone.js
How do I find the closest values in a Pandas series to an input number?
Python
Pandas
Dataframe
Ranking
How to convert rows in DataFrame in Python to dictionaries
Python
Dictionary
Pandas
Upgrading setuptools on OSX El Capitan
Python
Macos
Python 2.7
Setuptools
How to group a Series by values in pandas?
Python
Pandas
Group By
Series
Error Installing Psycopg2 on MacOS 10.9.5
Python
Macos
Postgresql
Psycopg2
Handle Flask requests concurrently with threaded=True
Python
Flask
NLTK download SSL: Certificate verify failed
Python
Ssl Certificate
Nltk
list() uses slightly more memory than list comprehension
Python
List
List Comprehension
Cpython
Python Internals
Adding L1/L2 regularization in PyTorch?
Python
Machine Learning
Pytorch
Loss Function
Python Requests - How to use system ca-certificates (debian/ubuntu)?
Python
Ssl
Debian
Python Requests
Debian Based
Getting error ImportMismatchError while running py.test
Python
Docker
Pytest
Pandas - Filtering None Values
Python
Pandas
Dataframe
What is the difference between Dataset.from_tensors and Dataset.from_tensor_slices?
Python
Tensorflow
Tensorflow Datasets
":=" syntax and assignment expressions: what and why?
Python
Python 3.x
Python 3.8
Python Assignment-Expression
Walrus Operator
pip install . creates only the dist-info not the package
Python
Pip
Package
Setuptools
setup.py
How do I resolve a TesseractNotFoundError?
Python
Python 3.x
Tesseract
Python Tesseract
Error installing geopandas:" A GDAL API version must be specified " in Anaconda
Python
Anaconda
Conda
Geopandas
How to annotate function that takes a tuple of variable length? (variadic tuple type annotation)
Python
Python 3.x
Type Hinting
Mypy
Python Typing
asyncio.run() cannot be called from a running event loop
Python
Python 3.x
Jupyter Notebook
Python Asyncio
What is the difference between TypeVar and NewType?
Python
Type Hinting
Mypy
Python Typing
How to change Python version of existing conda virtual environment?
Python
Version
Conda
Virtual Environment
what is --use-feature=2020-resolver? error message with jupyter installation on ubuntu
Python
Ubuntu
Terminal
Pip
Jupyter
How do I count the letters in Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch?
Python
Counting
Letter
Python Library Path
Python
XML parsing - ElementTree vs SAX and DOM
Python
Xml
Dom
Sax
Elementtree
Python - No handlers could be found for logger "OpenGL.error"
Python
Logging
Opengl
Wxpython
Pyopengl
How can I find all the subsets of a set, with exactly n elements?
Python
Is there any built-in way to get the length of an iterable in python?
Python
Iterator
How to sort and remove duplicates from Python list?
Python
List
Sorting
Unique
How do I access my webcam in Python?
Python
Webcam
How do I use AND in a Django filter?
Python
Django
Why does assigning to my global variables not work in Python?
Python
Global Variables
Scope
Locale date formatting in Python
Python
Date
Locale
Why use **kwargs in python? What are some real world advantages over using named arguments?
Python
Keyword Argument
When and how to use the builtin function property() in python
Python
Properties
Django: Where to put helper functions?
Python
Django
Mapping a range of values to another
Python
Algorithm
How to mock users and requests in django
Python
Django
Unit Testing
Mocking
Python, print all floats to 2 decimal places in output
Python
Floating Point
String Formatting
Random is barely random at all?
Python
Random
Birthday Paradox
Easiest way to replace a string using a dictionary of replacements?
Python
Regex
Numpy ‘smart’ symmetric matrix
Python
Matrix
Numpy
Import a python module without the .py extension
Python
Import
How to print the sign + of a digit for positive numbers in Python
Python
String Formatting
Number of days between 2 dates, excluding weekends
Python
Datetime
Create constants using a "settings" module?
Python
How to test with Python's unittest that a warning has been thrown?
Python
Unit Testing
Exception Handling
Warnings
'Can't set attribute' with new-style properties in Python
Python
Call to operating system to open url?
Python
Linux
Url
Operating System
Django: 'current_tags' is not a valid tag library
Python
Django
Portability
How to trigger function on value change?
Python
Event Handling
Observer Pattern
Is there a native templating system for plain text files in Python?
Python
String
Templates
Combining Two Images with OpenCV
Python
Image Processing
Opencv
Computer Vision
Python: why are * and ** faster than / and sqrt()?
Python
C
Performance
Python 2.7
Python Internals
How to turn a boolean array into index array in numpy
Python
Arrays
Numpy
Object does not support item assignment error
Python
Django
Loops
Dictionary
Generate RFC 3339 timestamp in Python
Python
Datetime
Iso8601
Rfc3339
URL Decode with Python 3
Python
Html
Python 3.x
How to remove a path prefix in python?
Python
String
Path
Prefix
Boolean argument for script
Python
Cannot import scipy.misc.imread
Python
Scipy
Is virtualenv recommended for django production server?
Python
Django
Deployment
How to find names of all collections using PyMongo?
Python
Pymongo
number of values in a list greater than a certain number
Python
List
How to add a new column to a CSV file?
Python
Csv
Python 3.x
OpenMP and Python
Python
Parallel Processing
Openmp
How to read multiple lines of raw input?
Python
Input
User Input
Python: download a file from an FTP server
Python
Download
Ftp
Python Requests
store return value of a Python script in a bash script
Python
Bash
Return
Return Value
flask-login: can't understand how it works
Python
Mysql
Flask Login
Adding calculated column(s) to a dataframe in pandas
Python
Pandas
split python source code into multiple files?
Python
pip ignores dependency_links in setup.py
Python
Pip
Setuptools
Distutils
Easy Install
Principal Component Analysis (PCA) in Python
Python
Scikit Learn
Pca
Extracting an information from web page by machine learning
Python
Machine Learning
Html Parsing
Web Scraping
Extract
Is there a list of line styles in matplotlib?
Python
Matplotlib
Linestyle
How to get the first word in the string
Python
Regex
Does Python evaluate if's conditions lazily?
Python
Lazy Evaluation
Handling Variable Number of Columns with Pandas - Python
Python
Pandas
Django ModelForm to have a hidden input
Python
Django
Django Models
Django Forms
How to properly use mock in python with unittest setUp
Python
Unit Testing
Mocking
mixed slashes with os.path.join on windows
Python
Windows
Path
Python add leading zeroes using str.format
Python
String
Python 2.7
String Formatting
How do I run Python script using arguments in windows command line
Python
Windows
Python 2.7
How to make numpy.argmax return all occurrences of the maximum?
Python
Numpy
Max
What's the fastest way in Python to calculate cosine similarity given sparse matrix data?
Python
Numpy
Pandas
Similarity
Cosine Similarity
How to query MultiIndex index columns values in pandas
Python
Pandas
Indexing
Slice
Multi Index
How to conditionally update DataFrame column in Pandas
Python
Pandas
Getting the first non None value from list
Python
List
django modifying the request object
Python
Django
Install Beautiful Soup using pip
Python
Python 2.7
Beautifulsoup
Pip
Scikit Learn SVC decision_function and predict
Python
Numpy
Svm
Scikit Learn
How do I make an auto increment integer field in Django?
Python
Django
Django Models
Python: Concatenate (or clone) a numpy array N times
Python
Arrays
Numpy
Append
Concatenation
pandas apply function that returns multiple values to rows in pandas dataframe
Python
Pandas
Dataframe
Apply
Iterable Unpacking
How to read html from a url in python 3
Python
Html
Url
pymongo.errors.CursorNotFound: cursor id '...' not valid at server
Python
Mongodb
Pymongo
Changing User Agent in Python 3 for urrlib.request.urlopen
Python
Python 3.x
Urllib
User Agent
TypeError: get() takes no keyword arguments
Python
How to iterate over pandas multiindex dataframe using index
Python
Pandas
How to add custom search box in Django-admin?
Python
Django
Django Admin
Reading column names alone in a csv file
Python
Installed Python 3 on Mac OS X but its still Python 2.7
Python
Python 2.7
Python 3.x
Osx Yosemite
What is the difference between int() and floor() in Python 3?
Python
Python 3.x
Floating Point
How to send an array using requests.post (Python)? "Value Error: Too many values to unpack"
Python
Python Requests
How to find median and quantiles using Spark
Python
Apache Spark
Median
Rdd
Pyspark
How can I open a website in my web browser using Python?
Python
importing izip from itertools module gives NameError in Python 3.x
Python
Python 3.x
Python 2.7
Itertools
Izip
How to assert that an iterable is not empty on Unittest?
Python
Python 2.7
Unit Testing
Python Unittest
Assertion
How to set the range of y-axis for a seaborn boxplot?
Python
Matplotlib
Boxplot
Seaborn
Why is assertDictEqual needed if dicts can be compared by `==`?
Python
Django
Unit Testing
Dictionary
Why does Python allow function calls with wrong number of arguments?
Python
Arguments
How to concatenate multiple column values into a single column in Pandas dataframe
Python
Pandas
Dataframe
What's the difference between setup.py and setup.cfg in python projects
Python
Python 2.7
Openstack
Setuptools
Cannot open include file: 'io.h': No such file or directory
Python
Cython
Cannot find col function in pyspark
Python
Apache Spark
Pyspark
Apache Spark-Sql
Pyspark Sql
How to Copy from IPython session without terminal prompts
Python
Ipython
Copying
Get index of a row of a pandas dataframe as an integer
Python
Pandas
Numpy
What does the delayed() function do (when used with joblib in Python)
Python
Multiprocessing
Joblib
Python histogram outline
Python
Matplotlib
Histogram
How to save final model using keras?
Python
Machine Learning
Keras
Title for matplotlib legend
Python
Matplotlib
Patch
RuntimeError: There is no current event loop in thread in async + apscheduler
Python
Python 3.x
Python Asyncio
Aiohttp
Apscheduler
What's the difference between namedtuple and NamedTuple?
Python
Python 3.x
Python multiprocessing.Pool: AttributeError
Python
Parallel Processing
Multiprocessing
Python Multiprocessing
Process Pool
accessing "Shared with me" with Colab
Python
Google Colaboratory
Shared Directory
Flysystem Google-Drive
pip/python: normal site-packages is not writeable
Python
Pip
Upload files in Google App Engine
Python
Google App-Engine
Are locks unnecessary in multi-threaded Python code because of the GIL?
Python
Multithreading
Locking
Can a lambda function call itself recursively in Python?
Python
Recursion
Lambda
Y Combinator
Common pitfalls in Python
Python
Using Python to execute a command on every file in a folder
Python
Foreach
Mencoder
Remove dictionary from list
Python
List
Dictionary
In Python, how to check if a string only contains certain characters?
Python
Regex
Search
Character
django template system, calling a function inside a model
Python
Django
Django Models
Django Templates
Why does ActivePython exist?
Python
Activestate
Activepython
How do I get rid of Python Tkinter root window?
Python
Winapi
Tkinter
Tk
Log output of multiprocessing.Process
Python
Logging
Concurrency
Multiprocessing
Checking if a website is up via Python
Python
Http
Scripting
Httprequest
Http Head
Access request in django custom template tags
Python
Django
Django Templates
Django Custom-Tags
How to correctly call base class methods (and constructor) from inherited classes in Python?
Python
shutil.rmtree fails on Windows with 'Access is denied'
Python
Windows
File Permissions
Shutil
How to sort alpha numeric set in python
Python
Sorting
How do you PEP 8-name a class whose name is an acronym?
Python
Coding Style
Naming Conventions
How do I type a floating point infinity literal in python
Python
Floating Point
Portability
Numerical
How do I force Django to ignore any caches and reload data?
Python
Django
Caching
How can I tell where my python script is hanging?
Python
Debugging
Writing a parser for regular expressions
Python
Regex
Parsing
What is a "method" in Python?
Python
Methods
Differences and uses between WSGI, CGI, FastCGI, and mod_python in regards to Python?
Python
Cgi
Fastcgi
Wsgi
Mod Python
Sieve of Eratosthenes - Finding Primes Python
Python
Math
Primes
Sieve of-Eratosthenes
How to set virtualenv for a crontab?
Python
Cron
Virtualenv
Virtualenvwrapper
Save a subplot in matplotlib
Python
Matplotlib
Is there a way to get the largest integer one can use in Python?
Python
Integer
subprocess.check_output() doesn't seem to exist (Python 2.6.5)
Python
Python Add Comma Into Number String
Python
String
Cartesian product of a dictionary of lists
Python
Generator
Combinatorics
How do I copy a directory to a remote machine using Fabric?
Python
Fabric
Group list by values
Python
List
Grouping
How to use python regex to replace using captured group?
Python
Regex
Sed
Replace
Alternative to list comprehension if there will be only one result
Python
List Comprehension
How can I release memory after creating matplotlib figures
Python
Memory Leaks
Numpy
Matplotlib
python @abstractmethod decorator
Python
Abc
Abstract Methods
"getaddrinfo failed", what does that mean?
Python
Bottle
Is there an overhead when nesting functions in Python?
Python
Function
Nested
cannot import name patterns
Python
Django
how to save a pylab figure into in-memory file which can be read into PIL image?
Python
Python Imaging-Library
Matplotlib
Django get list of models in application
Python
Django
Model
OpenCV Python rotate image by X degrees around specific point
Python
Opencv
Rotation
MongoKit vs MongoEngine vs Flask-MongoAlchemy for Flask
Python
Mongodb
Sqlalchemy
Flask
SQL Alchemy ORM returning a single column, how to avoid common post processing
Python
Orm
Sqlalchemy
Python: find closest string (from a list) to another string
Python
String
Algorithm
List
Best way to parse a URL query string
Python
String
Http
Webserver
how to use initializer to set up my multiprocess pool?
Python
Multiprocessing
Fail to get data on using read() of StringIO in python
Python
Stringio
Python lambda does not accept tuple argument
Python
Lambda
Tuples
Available and used System Memory in Python?
Python
Operating System
Cross Platform
How to make global imports from a function?
Python
Import
Module
Python Module
How to Maximize window in chrome using webDriver (python)
Python
Selenium
Selenium Chromedriver
Inverting a numpy boolean array using ~
Python
Arrays
Numpy
Boolean Operations
Negation
Python Hexadecimal
Python
Hex
How to prevent numbers being changed to exponential form in Python matplotlib figure
Python
Graph
Matplotlib
Figure
Return the current user with Django Rest Framework
Python
Django
Api
Django Rest-Framework
What does Python's socket.recv() return for non-blocking sockets if no data is received until a timeout occurs?
Python
Sockets
Nonblocking
Recv
Matplotlib scatter plot legend
Python
Matplotlib
Legend
Scatter Plot
How to build a flask application around an already existing database?
Python
Mysql
Sqlalchemy
Flask
Flask Sqlalchemy
How do I set sys.argv so I can unit test it?
Python
Convert pandas DataFrame into list of lists
Python
Pandas
Dataframe
Python 3 Simple HTTPS server
Python
Https
Playing mp3 song on python
Python
Audio
Mp3
Appending column totals to a Pandas DataFrame
Python
Pandas
py.test skips test class if constructor is defined
Python
Pytest
Saving a figure after invoking pyplot.show() results in an empty file
Python
Matplotlib
How to print all variables values when debugging Python with pdb, without specifying each variable?
Python
Debugging
Pdb
Plot mean and standard deviation
Python
Matplotlib
Plot
multiprocessing in python - sharing large object (e.g. pandas dataframe) between multiple processes
Python
Pandas
Multiprocessing
Unable to perform collectstatic
Python
Django
Django Staticfiles
Python pickle protocol choice?
Python
Python 2.7
Numpy
Pickle
How to write CSV output to stdout?
Python
Python 3.x
Stdout
Why can I use the same name for iterator and sequence in a Python for loop?
Python
For Loop
Variable Assignment
Python Internals
Filtering multiple items in a multi-index Python Panda dataframe
Python
Filter
Pandas
Indexing
Impute categorical missing values in scikit-learn
Python
Pandas
Scikit Learn
Imputation
How can I change the font size using seaborn FacetGrid?
Python
Seaborn
Parallelize apply after pandas groupby
Python
Pandas
Parallel Processing
Bodo
How to recover matplotlib defaults after setting stylesheet
Python
Matplotlib
Roc curve and cut off point. Python
Python
Logistic Regression
Roc
Python Pandas - Changing some column types to categories
Python
Numpy
Pandas
Multiple Columns
Categories
How to use JDBC source to write and read data in (Py)Spark?
Python
Scala
Apache Spark
Apache Spark-Sql
Pyspark
Python3 error: initial_value must be str or None, with StringIO
Python
Python 3.x
Urllib
Urllib2
Stringio
Set value for particular cell in pandas DataFrame with iloc
Python
Pandas
The zip() function in Python 3
Python
yield in list comprehensions and generator expressions
Python
Generator
List Comprehension
Yield
Generator Expression
Pandas column bind (cbind) two data frames
Python
Pandas
Dataframe
How to join on multiple columns in Pyspark?
Python
Apache Spark
Join
Pyspark
Apache Spark-Sql
How could I use batch normalization in TensorFlow?
Python
Tensorflow
What is time complexity of a list to set conversion?
Python
List
Hash
Set
Time Complexity
How to install xgboost in Anaconda Python (Windows platform)?
Python
Windows
Anaconda
Xgboost
pandas - change df.index from float64 to unicode or string
Python
Pandas
Indexing
Dataframe
Rows
Get Day name from Weekday int
Python
Date
Datetime
How to get color of most recent plotted line in Python's plt
Python
Matplotlib
What's the difference between heapq and PriorityQueue in python?
Python
Data Structures
Heap
Priority Queue
Prepend element to numpy array
Python
Numpy
Insert
installing cPickle with python 3.5
Python
Docker
Pickle
Python 3.5
Python - Module Not Found
Python
Module
Pandas: Subtracting two date columns and the result being an integer
Python
Datetime
Numpy
Pandas
Int
Opposite of any() function
Python
Python 3.x
Iterable
Cannot use Requests-Module on AWS Lambda
Python
Python 2.7
Amazon Web-Services
Aws Lambda
Difference between extras_require() and install_requires() in setup.py?
Python
Setuptools
setup.py
Removing space from columns in pandas
Python
Pandas
Dataframe
How to upload a file to S3 and make it public using boto3?
Python
Amazon S3
Boto
Boto3
What is a virtualenv, and why should I use one?
Python
Pip
Virtualenv
Pandas: sum up multiple columns into one column without last column
Python
Pandas
Sum
How to type hint a generator in Python 3?
Python
Python 3.x
Pycharm
Python Typing
Can't open lib 'ODBC Driver 13 for SQL Server'? Sym linking issue?
Python
Pyodbc
"Asyncio Event Loop is Closed" when getting loop
Python
Python Asyncio
Python 3.5
LabelEncoder: TypeError: '>' not supported between instances of 'float' and 'str'
Python
Pandas
Scikit Learn
Pandas: ValueError: cannot convert float NaN to integer
Python
Pandas
Csv
How to Fix Permissions on Home-brew on MacOS High Sierra
Python
Bash
Homebrew
ImportError: No module named 'yaml'
Python
Python 3.x
Pip
Pyyaml
How to use enums as a choice field in django model
Python
Django
Python 3.x
Django Models
Enums
Python 3.7 - asyncio.sleep() and time.sleep()
Python
Python 3.x
Python Asyncio
Python 3.7
Automatic contrast and brightness adjustment of a color photo of a sheet of paper with OpenCV
Python
Image
Opencv
Image Processing
Computer Vision
Installing OpenCV fails because it cannot find "skbuild"
Python
Opencv
Pip
Why is Python recursion so expensive and what can we do about it?
Python
C++
Recursion
Stack Overflow
Can you check that an exception is thrown with doctest in Python?
Python
Doctest
What is the purpose of the colon before a block in Python?
Python
Syntax
Launch a shell command with in a python script, wait for the termination and return to the script
Python
Subprocess
Popen
os.execl
How to split strings into text and number?
Python
String
Split
Practical examples of NLTK use
Python
Nlp
Nltk
Passing values in Python
Python
Pass by-Reference
Pass by-Value
`final` keyword equivalent for variables in Python?
Java
Python
Keyword
Final
What's a quick one-liner to remove empty lines from a python string?
Python
String
Line Endings
Iterating over arbitrary dimension of numpy.array
Python
Numpy
Loops
Python urllib2: Reading content body even during HTTPError exception?
Python
Multiplying a tuple by a scalar
Python
Python Imaging-Library
How to add clickable links to a field in Django admin?
Python
Django
Process to convert simple Python script into Windows executable
Python
Packaging
Compilation
Py2exe
Software Distribution
access ElementTree node parent node
Python
Elementtree
Can't use unichr in Python 3.1
Python
Unicode
String
Vim automatically removes indentation on Python comments
Python
Vim
Indentation
shuffle string in python
Python
String
ropemacs USAGE tutorial
Python
Emacs
Ide
Autocomplete
How to replicate tee behavior in Python when using subprocess?
Python
Subprocess
Stdout
Stderr
Tee
How to create a read-only class property in Python?
Python
Class
Properties
Round integers to the nearest 10
Python
Python: The _imagingft C module is not installed
Python
Image
Python Imaging-Library
Efficient way of having a function only execute once in a loop
Python
for loop in Python
Python
Getting started with the Python debugger, pdb
Python
Pdb
How do I serialize a Python dictionary into a string, and then back to a dictionary?
Python
String
List
Serialization
Dictionary
How to set sys.stdout encoding in Python 3?
Python
Unicode
Python 3.x
Stdout
How to start a python file while Windows starts?
Python
Windows
Django Model Field Default to Null
Python
Django
Django Models
Why don't my south migrations work?
Python
Django
Migration
Django South
In Python 2, how do I write to variable in the parent scope?
Python
Closures
Scope
Python 2.x
What's a faster operation, re.match/search or str.find?
Python
Performance
UnicodeEncodeError: 'ascii' codec can't encode character u'\u2013' in position 3 2: ordinal not in range(128)
Python
Character Encoding
Python: How to pass more than one argument to the property getter?
Python
Properties
Language Features
What's an example use case for a Python classmethod?
Python
Class
Class Method
How do I use matplotlib autopct?
Python
Matplotlib
how to reload a Class in python shell?
Python
Ipython
How to use python timeit when passing variables to functions?
Python
Debugging
Benchmarking
Converting String to Int using try/except in Python
Python
Python 3.x
How to perform element-wise Boolean operations on NumPy arrays
Python
Numpy
Boolean Operations
Python 3 string.join() equivalent?
Python
String
Methods
Python 3.x
Find all CSV files in a directory using Python
Python
Csv
File
Directory
Find
Value for epsilon in Python
Python
Comparison
Floating Point
Epsilon
Skip first couple of lines while reading lines in Python file
Python
File
Lines
Skip
subprocess wildcard usage
Python
Subprocess
Wildcard
How to get the list of options that Python was compiled with?
Python
Compilation
Packages
Fuzzy String Comparison
Python
Nlp
Fuzzy Comparison
Merge and sum of two dictionaries
Python
Dictionary
Flipping the boolean values in a list Python
Python
How to handle AssertionError in Python and find out which line or statement it occurred on?
Python
Assert
How to convert string to byte array in Python
Python
How to set an HTTP proxy in Python 2.7?
Python
parameter unsupported when inserting int in sqlite
Python
Datetime
Sqlite
Storing and Accessing node attributes python networkx
Python
Attributes
Networkx
overlay a smaller image on a larger image python OpenCv
Python
Opencv
Object Detection
What's the biggest difference between dir() and __dict__ in Python
Python
Introspection
Heroku truncates HTTP responses?
Python
Json
Heroku
Flask
Gunicorn
Wrong math with Python?
Python
Python 2.7
Math
if var == False
Python
Most efficient property to hash for numpy array
Python
Numpy
How to use python numpy.savetxt to write strings and float number to an ASCII file?
Python
List
Numpy
Output
Create own colormap using matplotlib and plot color scale
Python
Matplotlib
Plot
How can I get the username of the logged-in user in Django?
Python
Django
Django Models
Django Views
Django Templates
How do you send an HTTP Get Web Request in Python?
Python
Http
Streamreader
Webrequest
What is the point of setLevel in a python logging handler?
Python
Logging
How to add a calculated field to a Django model
Python
Django Models
Django Admin
How to convert OpenDocument spreadsheets to a pandas DataFrame?
Python
Pandas
Libreoffice
Dataframe
Opendocument
format strings and named arguments in Python
Python
String
Arguments
String Formatting
How to close a mongodb python connection?
Python
Mongodb
Connection
Pymongo
BeautifulSoup findAll() given multiple classes?
Python
Html
Beautifulsoup
Html Parsing
Stopword removal with NLTK
Python
Nlp
Nltk
Stop Words
Plotting histograms from grouped data in a pandas DataFrame
Python
Pandas
Histogram
Django REST Framework - Separate permissions per methods
Python
Django
Rest
Permissions
Django Rest-Framework
Python Checking a string's first and last character
Python
String
Python 2.7
What is Python's heapq module?
Python
Data Structures
Heap
Python Module
How to use Bulk API to store the keywords in ES by using Python
Python
Elasticsearch
Elasticsearch Bulk-Api
Error installing Python Image Library using pip on Mac OS X 10.9
Python
Macos
Pip
How to remove project in PyCharm?
Python
Pycharm
What is %pylab?
Python
Matplotlib
Ipython
Ensuring py.test includes the application directory in sys.path
Python
Unit Testing
Pytest
Python read JSON file and modify
Python
Json
File Io
How do I create a login API using Django Rest Framework?
Python
Django
Rest
Django Rest-Framework
Maximum allowed value for a numpy data type
Python
Numpy
Celery with RabbitMQ: AttributeError: 'DisabledBackend' object has no attribute '_get_task_meta_for'
Python
Celery
How to receive json data using HTTP POST request in Django 1.6?
Python
Django
Django Views
Http Post
Python Requests
Python TypeError: non-empty format string passed to object.__format__
Python
Python 3.x
String Formatting
Nested dictionary to multiindex dataframe where dictionary keys are column labels
Python
Dictionary
Pandas
Dataframe
Multi Index
Pylint invalid constant name
Python
Coding Style
Pylint
Move seaborn plot legend to a different position
Python
Matplotlib
Seaborn
Using (Ana)conda within PyCharm
Python
Virtualenv
Pycharm
Anaconda
Conda
Turning off IntelliJ Auto-save
Java
Python
Intellij Idea
Pycharm
Ide
Cannot apply DjangoModelPermissions on a view that does not have `.queryset` property or overrides the `.get_queryset()` method
Python
Django
Django Rest-Framework
Create Spark DataFrame. Can not infer schema for type: <type 'float'>
Python
Apache Spark
Dataframe
Pyspark
Apache Spark-Sql
What version of Python is on my Mac?
Python
Macos
Type hints: solve circular dependency
Python
Type Hinting
Python Typing
Difference between dict and set (python)
Python
Dictionary
Set
sys.path different in Jupyter and Python - how to import own modules in Jupyter?
Python
Jupyter
Pythonpath
Elasticsearch : How to delete an Index using python
Python
Python 2.7
Elasticsearch
How to draw a line with matplotlib?
Python
Python 3.x
Matplotlib
Why is code using intermediate variables faster than code without?
Python
Python 3.x
Cpython
Python Internals
Complete scan of dynamoDb with boto3
Python
Amazon Web-Services
Amazon Dynamodb
Boto3
PyCharm with Pyenv
Python
Pycharm
what does --enable-optimizations do while compiling python?
Python
Linux
Python 3.x
Configure
Python 3.6
Is '# -*- coding: utf-8 -*-' also a comment in Python?
Python
Unicode
Encoding
Utf 8
Comments
Visual Studio Code pylint: Unable to import 'protorpc'
Python
Python 2.7
Google App-Engine
Visual Studio-Code
Protorpc
What's the difference between "virtualenv" and "-m venv" in creating Virtual environments(Python)
Python
Virtualenv
How to specify legend position in matplotlib in graph coordinates
Python
Matplotlib
Force child class to override parent's methods
Python
Inheritance
Overriding
Set value to an entire column of a pandas dataframe
Python
Pandas
Dataframe
How to create a new text file using Python
Python
Python 2.7
Does Any one got "AttributeError: 'str' object has no attribute 'decode' " , while Loading a Keras Saved Model
Python
Machine Learning
Keras
Deep Learning
Python 3.7 anaconda environment - import _ssl DLL load fail error
Python
Python 3.x
Pycharm
Anaconda
Open Jupyter Notebook from a Drive Other than C Drive
Python
Jupyter Notebook
Why does b+=(4,) work and b = b + (4,) doesn't work when b is a list?
Python
Python 3.x
List
Tuples
Jupyter Notebook with Python 3.8 - NotImplementedError
Python
Windows
Jupyter Notebook
Tornado
What's the best way to return multiple values from a function?
Python
Variables
Return
In the Django admin interface, is there a way to duplicate an item?
Python
Django
Django Models
Django Admin
What is the problem with reduce()?
Python
Python 3.x
Python object.__repr__(self) should be an expression?
Python
Convert list of ints to one number?
Python
distutils: How to pass a user defined parameter to setup.py?
Python
Distutils
setup.py
Why are 0d arrays in Numpy not considered scalar?
Python
Numpy
Random strings in Python 2.6 (Is this OK?)
Python
Random
Python 2.6
Writing a __init__ function to be used in django model
Python
Django
Django Models
Django required field in model form
Python
Django
Forms
Model
Widget
Threading in Python
Python
Multithreading
Python Stackless
How can I take a screenshot/image of a website using Python?
Python
Screenshot
Webpage
Backend
Proxy with urllib2
Python
Proxy
Urllib2
How to make Python speak
Python
Text to-Speech
sscanf in Python
Python
Parsing
Split
Scanf
Procfs
Is it better to use "is" or "==" for number comparison in Python?
Python
Match groups in Python
Python
Regex
Numpy: Creating a complex array from 2 real ones?
Python
Arrays
Numpy
Complex Numbers
2D list has weird behavor when trying to modify a single value
Python
Python 2.7
List
2d
What is the cleanest way to do a sort plus uniq on a Python list?
Python
Unique
Python: Elegant way to check if at least one regex in list matches a string
Python
Regex
List
Short rot13 function - Python
Python
String
Encoding
What is the most efficient way to get first and last line of a text file?
Python
File
Seek
Escape string Python for MySQL
Python
Mysql
Escaping
Python Array with String Indices
Python
Arrays
List
Dictionary
How to test if a list contains another list as a contiguous subsequence?
Python
Call Class Method From Another Class
Python
Number of regex matches
Python
Regex
False or None vs. None or False
Python
Boolean Logic
Convert alphabet letters to number in Python
Python
DRY way to add created/modified by and time
Python
Django
Django Local Settings
Python
Django
Settings
What is the correct way to make my PyQt application quit when killed from the console (Ctrl-C)?
Python
Linux
Qt
Pyqt
Signals
PyMongo upsert throws "upsert must be an instance of bool" error
Python
Mongodb
Pymongo
Is it possible to modify lines in a file in-place?
Python
File Io
Select NULL Values in SQLAlchemy
Python
Sql
Database
Sqlalchemy
Use Python's string.replace vs re.sub
Python
Regex
How to convert an H:MM:SS time string to seconds in Python?
Python
How do I get an event callback when a Tkinter Entry widget is modified?
Python
Tkinter
How to elegantly check the existence of an object/instance/variable and simultaneously assign it to variable if it exists in python?
Python
Sqlalchemy
python getoutput() equivalent in subprocess
Python
Shell
Command
Subprocess
Removing handlers from python's logging loggers
Python
Logging
zeromq: how to prevent infinite wait?
Python
Zeromq
Python RuntimeWarning: overflow encountered in long scalars
Python
Numpy
Append
Overflow
Scalar
TypeError: 'tuple' object does not support item assignment when swapping values
Python
How to obtain image size using standard Python class (without using external library)?
Python
Image
Python 2.5
Copied variable changes the original?
Python
Variables
Defining "boolness" of a class in python
Python
Python 2.7
Class
Boolean
Python 2.x
Where is the __builtin__ module in Python3? Why was it renamed?
Python
Is there any way to use pythonappend with SWIG's new builtin feature?
Python
Numpy
Swig
Finding dead code in large python project
Python
Pylint
Code Cleanup
How do I import a Python script from a sibling directory?
Python
Import
Path
Pythonpath
Python: self.__class__ vs. type(self)
Python
How do I get tables in postgres using psycopg2?
Python
Psycopg2
Postgresql 8.4
How to download a file via FTP with Python ftplib
Python
Ftp
Ftplib
Builder pattern equivalent in Python
Python
Design Patterns
Builder Pattern
How to slice a Pandas Data Frame by position?
Python
Pandas
Dataframe
Slice
Pythonic way to sorting list of namedtuples by field name
Python
Sorting
Namedtuple
Field Names
Histogram values of a Pandas Series
Python
Pandas
Numpy
Matplotlib
How can I get the path to the %APPDATA% directory in Python?
Python
Appdata
importing a module when the module name is in a variable
Python
Python 2.7
import httplib ImportError: No module named httplib
Python
Python 3.x
Python - rolling functions for GroupBy object
Python
Pandas
Pandas Groupby
Rolling Computation
Rolling Sum
External JavaScript file is not getting added when running on Flask
Javascript
Python
Flask
External
Arrow keys in Putty returning ^[[A ^[[D ^[[B instead of moving the cursor
Python
Putty
Arrow Keys
Django : Testing if the page has redirected to the desired url
Python
Django
Django Testing
dict.fromkeys all point to same list
Python
Import Python Script Into Another?
Python
Python 2.7
Import
Find out if matrix is positive definite with numpy
Python
Matrix
Numpy
Scipy
Is it possible to print using different colors in ipython's Notebook?
Python
Jupyter Notebook
Loop "Forgets" to Remove Some Items
Python
String
List
What is the correct way to share package version with setup.py and the package?
Python
Setuptools
Distutils
Create column of value_counts in Pandas dataframe
Python
Pandas
Is there a parameter in matplotlib/pandas to have the Y axis of a histogram as percentage?
Python
Pandas
Matplotlib
Getting first row from sqlalchemy
Python
Sqlalchemy
Flask
Flask Sqlalchemy
Why is numpy's einsum faster than numpy's built in functions?
Python
Arrays
Performance
Numpy
Multidimensional Array
Print raw string from variable? (not getting the answers)
Python
String
Printing
Return
Why do list comprehensions write to the loop variable, but generators don't?
Python
Python 2.7
Generator
List Comprehension
How to install a package inside virtualenv?
Python
Virtualenv
Pip
Find length of longest string in Pandas dataframe column
Python
Pandas
Flask: get current route
Python
Url
Flask
TypeError: only length-1 arrays can be converted to Python scalars while trying to exponentially fit data
Python
Arrays
Logging
Scalar
Locate first and last non NaN values in a Pandas DataFrame
Python
Datetime
Pandas
Reset color cycle in Matplotlib
Python
Matplotlib
Pandas
Use the default Python rather than the Anaconda installation when called from the terminal
Python
Linux
Anaconda
Paramiko : Error reading SSH protocol banner
Python
Paramiko
How to make a variable inside a try/except block public?
Python
Python 3.x
Scope
Local Variables
Try Except
Pandas concat yields ValueError: Plan shapes are not aligned
Python
Pandas
Concat
Changing the rotation of tick labels in Seaborn heatmap
Python
Heatmap
Seaborn
Matplotlib issue on OS X ("ImportError: cannot import name _thread")
Python
Macos
Python 2.7
Matplotlib
Python Dateutil
Why does Pandas inner join give ValueError: len(left_on) must equal the number of levels in the index of "right"?
Python
Pandas
Join
Merge
Inner Join
Django setUpTestData() vs. setUp()
Python
Django
Unit Testing
defaultdict with default value 1?
Python
Defaultdict
RandomForestClassfier.fit(): ValueError: could not convert string to float
Python
Scikit Learn
Random Forest
python pandas extract year from datetime: df['year'] = df['date'].year is not working
Python
Datetime
Pandas
Extract
Dataframe
TypeError: a bytes-like object is required, not 'str'
Python
Python 3.x
Sockets
when installing pyaudio, pip cannot find portaudio.h in /usr/local/include
Python
Macos
Pyaudio
Proper way to remove keys in dictionary with None values in Python
Python
Dictionary
Remove non-numeric rows in one column with pandas
Python
Pandas
pandas get the row-wise minimum value of two or more columns
Python
Pandas
Dataframe
ImportError: No module named 'google'
Python
Python 3.x
Anaconda
Spyder
Pairwise circular Python 'for' loop
Python
Specifying the order of matplotlib layers
Python
Matplotlib
Plot
Layer
'pytest' exits with no error, but with "collected 0 items"
Python
Unit Testing
Find the end of the month of a Pandas DataFrame Series
Python
Date
Datetime
Pandas
how to merge two data frames based on particular column in pandas python?
Python
Pandas
Python 2.7
Merge
How do I reliably split a string in Python, when it may not contain the pattern, or all n elements?
Python
String
Python 3.x
Split
SSL error downloading NLTK data
Python
Macos
Ssl
Ssl Certificate
Nltk
tensorflow:AttributeError: 'module' object has no attribute 'mul'
Python
Tensorflow
How to inspect a Tensorflow .tfrecord file?
Python
Tensorflow
Tfrecord
f-strings vs str.format()
Python
Python 3.x
String Formatting
String Interpolation
F String
Convert png to jpeg using Pillow
Python
Python 3.x
Image
Python Imaging-Library
How do I write a null (no-op) contextmanager in Python?
Python
Contextmanager
Removing duplicate columns after a DF join in Spark
Python
Apache Spark
Pyspark
Apache Spark-Sql
Direct assignment to the forward side of a many-to-many set is prohibited. Use emails_for_help.set() instead
Python
Django
Django Orm
Manytomanyfield
Fast punctuation removal with pandas
Python
Regex
String
Pandas
Numpy
pip3: bad interpreter: No such file or directory
Python
Python 3.x
Macos
Pip
Python type hints: typing.Mapping vs. typing.Dict
Python
Python 3.x
Type Hinting
conda: remove all installed packages from base/root environment
Python
Conda
Miniconda
Aggregation in Pandas
Python
Pandas
Dataframe
Pandas Groupby
Aggregation
Convert PyTorch tensor to python list
Python
Pytorch
Why does Python allow out-of-range slice indexes for sequences?
Python
Python 3.x
Sequence
Slice
Range Checking
ConvergenceWarning: lbfgs failed to converge (status=1): STOP: TOTAL NO. of ITERATIONS REACHED LIMIT
Python
Machine Learning
Scikit Learn
Logistic Regression
Pylint raise-missing-from
Python
Pylint
How do I document a module in Python?
Python
Documentation
Python Module
Cross-platform space remaining on volume using python
Python
Windows
Linux
Macos
Diskspace
Convert XML/HTML Entities into Unicode String in Python
Python
Html
Entities
RFC 1123 Date Representation in Python?
Python
Http
Datetime
Ensuring subprocesses are dead on exiting Python program
Python
Subprocess
Kill
Zombie Process
Printing all instances of a class
Python
Class
Django: using <select multiple> and POST
Python
Django
Http
Remove HTML tags not on an allowed list from a Python string
Python
Html
Convert a Python int into a big-endian string of bytes
Python
Is there a simple process-based parallel map for python?
Python
Parallel Processing
Smp
Call Python function from MATLAB
Python
Matlab
Language Interoperability
How does inheritance of __slots__ in subclasses actually work?
Python
Inheritance
Subclass
Slots
How do I unescape HTML entities in a string in Python 3.1?
Python
Html
Curl
Python 3.x
Entities
Is there any use for Bash scripting anymore?
Python
Perl
Bash
Scripting
Comparison
how to find the target file's full(absolute path) of the symbolic link or soft link in python
Python
Linux
Absolute Path
Symlink
Paramiko's SSHClient with SFTP
Python
Ssh
Sftp
Paramiko
Remove substring only at the end of string
Python
String
Best way to generate xml?
Python
Xml
Api
Python slice how-to, I know the Python slice but how can I use built-in slice object for it?
Python
Slice
Text box with line wrapping in matplotlib?
Python
Textbox
Matplotlib
Generating movie from python without saving individual frames to files
Python
Numpy
Ffmpeg
Matplotlib
X264
Lazy logger message string evaluation
Python
Logging
How to save a figure remotely with pylab?
Python
Matplotlib
Figure
Difference between "axes" and "axis" in matplotlib?
Python
Matplotlib
Variable scopes in Python classes
Python
Oop
Scope
Increment a Python floating point value by the smallest possible amount
Python
Is there a way to instantiate a class without calling __init__?
Python
Class
Constructor
Instantiation
Which maximum does Python pick in the case of a tie?
Python
Max
Python - Move and overwrite files and folders
Python
File
Move
Overwrite
Python - self, no self and cls
Python
Class
Object
Self
How to print Docstring of python function from inside the function itself?
Python
Function
Printing
Docstring
Using Colormaps to set color of line in matplotlib
Python
Matplotlib
Debugging a Flask app running in Gunicorn
Python
Flask
Gunicorn
Use a library locally instead of installing it
Python
Import
Module
Why is Python 3 not backwards compatible?
Python
Python 3.x
Backwards Compatibility
How to organize a relatively large Flask application?
Python
Flask
How to use a multiprocessing.Manager()?
Python
Multiprocessing
Python 2.x
How to use matplotlib tight layout with Figure?
Python
Matplotlib
Figure
How do I call the Python's list while debugging?
Python
Debugging
Extracting a zipfile to memory?
Python
Memory
Zip
Stringio
Python Zipfile
Determining duplicate values in an array
Python
Numpy
Duplicates
Unique
Print Combining Strings and Numbers
Python
Python 2.7
Flask and uWSGI - unable to load app 0 (mountpoint='') (callable not found or import error)
Python
Flask
Uwsgi
How to completely traverse a complex dictionary of unknown depth?
Python
Json
Dictionary
Python 2.7
Text processing - Python vs Perl performance
Python
Regex
Performance
Perl
Text Processing
How to keep leading zeros in a column when reading CSV with Pandas?
Python
Pandas
Csv
Types
Python: Catching specific exception
Python
Exception
Get year, month or day from numpy datetime64
Python
Datetime
Numpy
How to update values using pymongo?
Python
Mongodb
Pymongo
Add an element in each dictionary of a list (list comprehension)
Python
Python 3.x
List Comprehension
pip install a local git repository
Python
Git
Pip
How do I convert datetime.timedelta to minutes, hours in Python?
Python
Django
Mixing categorial and continuous data in Naive Bayes classifier using scikit-learn
Python
Machine Learning
Data Mining
Classification
Scikit Learn
efficiently checking that string consists of one character in Python
Python
String
Writing to CSV with Python adds blank lines
Python
Csv
Python 3.3
Resampling Within a Pandas MultiIndex
Python
Pandas
Time Series
Multi Index
Hierarchical Data
Python Pandas: Group datetime column into hour and minute aggregations
Python
Date
Pandas
A logarithmic colorbar in matplotlib scatter plot
Python
Matplotlib
In what order does os.walk iterates iterate?
Python
Sorting
os.walk
How to overplot a line on a scatter plot in python?
Python
Numpy
Matplotlib
Linear Regression
Scatter Plot
Matplotlib overlapping annotations / text
Python
Matplotlib
Annotate
interactive shell debugging with pycharm
Python
Pycharm
Python Idle
Explanation of how nested list comprehension works?
Python
List
Matplotlib/Pandas error using histogram
Python
Matplotlib
Pandas
Histogram
Formatting floats in a numpy array
Python
Arrays
Numpy
what is trailing whitespace and how can I handle this?
Python
Pep8
Flake8
Python 3 TypeError: must be str, not bytes with sys.stdout.write()
Python
Python: Find a substring in a string and returning the index of the substring
Python
String
Indexing
Substring
AttributeError: 'module' object has no attribute 'request'
Python
Python 3.x
Python 3.3
Convert Pandas dataframe to csv string
Python
Pandas
How to hide *pyc files in atom editor
Python
Atom Editor
Should I ignore the .idea folder when using PyCharm with Git?
Python
Git
Pycharm
Pandas column values to columns?
Python
Pandas
Convert timedelta64[ns] column to seconds in Python Pandas DataFrame
Python
Python 2.7
Numpy
Pandas
Removing the first folder in a path
Python
Path
mysql-python install error: Cannot open include file 'config-win.h'
Python
Mysql
Mysql Python
Failed Installation
Does virtualenv serve a purpose (in production) when using docker?
Python
Virtualenv
Docker
How do I properly set the Datetimeindex for a Pandas datetime object in a dataframe?
Python
Datetime
Pandas
datetime to string with series in pandas
Python
Datetime
Pandas
python save image from url
Python
Image
Download
Urllib
ImportError: No module named 'selenium'
Python
Macos
Selenium
Module
Webdriver
matching any character including newlines in a Python regex subexpression, not globally
Python
Regex
Execute Python script within Jupyter notebook using a specific virtualenv
Python
Python 3.x
Jupyter Notebook
Virtualenv
Jupyter
Make new column in Panda dataframe by adding values from other columns
Python
Python 2.7
Pandas
What is the difference between socket.send() and socket.sendall()?
Python
Sockets
Row-wise average for a subset of columns with missing values
Python
Pandas
Dataframe
How can I limit iterations of a loop in Python?
Python
Enumerate
Convert float to string in positional format (without scientific notation and false precision)
Python
Python 3.x
Floating Point
Number Formatting
Python 2.x
Understanding *x ,= lst
Python
Python 3.x
Iterable Unpacking
Python type hinting with exceptions
Python
Python 3.x
Exception
Type Hinting
Python Typing
How to load a list of numpy arrays to pytorch dataset loader?
Python
Numpy
Pytorch
In Python format (f-string) strings, what does !r mean?
Python
Python 3.6
F String
AttributeError: 'Tensor' object has no attribute 'numpy'
Python
Numpy
Tensorflow
Attributeerror
Tensor
Finding versions of Python that are available for "pyenv install"
Python
Pyenv
pip no longer working after update error 'module' object is not callable
Python
Python 3.x
Pip
Python 3.7
Why is Python list slower when sorted?
Python
List
Caching
Why is it faster to compare strings that match than strings that do not?
Python
Performance
Comparison
Polling the keyboard (detect a keypress) in python
Python
Console
Keyboard
Blocking
Nonblocking
How can one mock/stub python module like urllib
Python
Unit Testing
Testing
Mocking
How to indent Python list-comprehensions?
Python
Coding Style
Python float to Decimal conversion
Python
Decimal
How do I stop a program when an exception is raised in Python?
Python
Exception Handling
Python - what are all the built-in decorators?
Python
Decorator
How would you do the equivalent of preprocessor directives in Python?
Python
Preprocessor
Equivalent
Directive
Convert HTML entities to Unicode and vice versa
Python
Html
Html Entities
Django not sending emails to admins
Python
Django
User-friendly time format in Python?
Python
Datetime
Date
Time
Formatting
How to make a Tkinter window jump to the front?
Python
Tkinter
Focus
Is there a better way to compare dictionary values
Python
Dictionary
"Cannot open include file: 'config-win.h': No such file or directory" while installing mysql-python
Python
Windows
Virtualenv
Pip
Mysql Python
What is the Python egg cache (PYTHON_EGG_CACHE)?
Python
Python Egg-Cache
Is everything greater than None?
Python
Python 3.x
Python Datamodel
Python 3.1.1 string to hex
Python
String
Python 3.x
Hex
Using Tkinter in python to edit the title bar
Python
Tkinter
Titlebar
Show default value for editing on Python input possible?
Python
Input
What is __path__ useful for?
Python
Path
Module
Do comments slow down an interpreted language?
Python
Comments
Interpreter
Interpreted Language
JSON output sorting in Python
Python
Json
Sorting
Matplotlib: display plot on a remote machine
Python
Ssh
Matplotlib
Why doesn't Pylint like built-in functions?
Python
List Comprehension
Pylint
How to invoke a function on an object dynamically by name?
Python
Killing a process created with Python's subprocess.Popen()
Python
Popen
Django template can't loop defaultdict
Python
Django
Loops
List of all available matplotlib backends
Python
Matplotlib
break/interrupt a time.sleep() in python
Python
UnicodeEncodeError: 'ascii' codec can't encode character u'\xef' in position 0: ordinal not in range(128)
Python
Google App-Engine
Xml Parsing
dynamically add field to a form
Python
Django
Django Forms
Strange result when removing item from a list while iterating over it
Python
List
Loops
StringIO replacement that works with bytes instead of strings?
Python
Unicode
Python 2.7
Stringio
Python: Inherit the superclass __init__
Python
Inheritance
Constructor
Init
Hashing arrays in Python
Python
Arrays
Hash
pip on Windows giving the error - Unknown or unsupported command 'install'
Python
Pip
Optional stdin in Python with argparse
Python
Stdin
Argparse
What can lead to "IOError: [Errno 9] Bad file descriptor" during os.system()?
Python
Subprocess
Posix
File Descriptor
Ioerror
What SOAP libraries exist for Python 3.x?
Python
Soap
Python 3.x
Suds
Understanding nested list comprehension
Python
Nested
List Comprehension
Dividing Python module into multiple regions
Python
Formatting
How can I find the missing value more concisely?
Python
Benchmarking
Microbenchmark
Python Math - TypeError: 'NoneType' object is not subscriptable
Python
Math
Sorting
In Place
Parse a tuple from a string?
Python
Python 2.7
built-in range or numpy.arange: which is more efficient?
Python
Numpy
Python 3.x
Range
How do I make a fixed size formatted string in python?
Python
Python 2.7
Two Python modules require each other's contents - can that work?
Python
Python Module
Calling static method in python
Python
Static Methods
Test discovery failure when tests in different directories are called the same
Python
Unit Testing
Pytest
Autodiscovery
Python Pandas : pivot table with aggfunc = count unique distinct
Python
Pandas
Pivot Table
What's the simplest way of detecting keyboard input in a script from the terminal?
Python
Keyboard
Terminal
Inherited class variable modification in Python
Python
Python 2.7
Creating labels where line appears in matplotlib figure
Python
Matplotlib
Labels
Testing equality of three values
Python
I want to multiply two columns in a pandas DataFrame and add the result into a new column
Python
Python 2.7
Pandas
Tuple pairs, finding minimum using python
Python
Tuples
Min
Error when install pylibmc using pip
Python
Memcached
Osx Lion
Libmemcached
wordnet lemmatization and pos tagging in python
Python
Nltk
Wordnet
Lemmatization
matplotlib bar graph black - how do I remove bar borders
Python
Graph
Matplotlib
Border
How to transform an XML file using XSLT in Python?
Python
Xml
Xslt
Converter
python: iterate over dictionary sorted by key
Python
Sorting
Dictionary
Understanding Popen.communicate
Python
Subprocess
Communicate
Return in generator together with yield in Python 3.3
Python
Python 3.x
Generator
Why is a trailing comma a SyntaxError in an argument list that uses *args syntax?
Python
Syntax
Python Internals
Converting "yield from" statement to Python 2.7 code
Python
Generator
Python 2.x
Yield
Yield From
Longest equally-spaced subsequence
Python
Algorithm
Access index in pandas.Series.apply
Python
Pandas
Does Python have a cleaner way to express "if x contains a|b|c|d..."?
Python
If Statement
Python 3.x
Substring
Exponentials in python: x**y vs math.pow(x, y)
Python
Math
Built In
Pow
What kind of problems (if any) would there be combining asyncio with multiprocessing?
Python
Multithreading
Asynchronous
Multiprocessing
Python Asyncio
What does "TypeError 'xxx' object is not callable" means?
Python
How to have clusters of stacked bars with python (Pandas)
Python
Pandas
Matplotlib
Plot
Seaborn
3-dimensional array in numpy
Python
Numpy
Pandas dataframe with multiindex column - merge levels
Python
Pandas
Multi Index
HTTPError 403 (Forbidden) with Django and python-social-auth connecting to Google with OAuth2
Python
Django
Oauth 2.0
Google Api
Can Python pickle lambda functions?
Python
Python 2.7
Lambda
Pickle
Delete unused packages from requirements file
Python
Pip
Refactoring
Pycharm
requirements.txt
Redis Pubsub and Message Queueing
Python
Redis
Redis Cli
How to get number of groups in a groupby object in pandas?
Python
Pandas
Dataframe
Group By
Pandas Groupby
Flask app "Restarting with stat"
Python
Flask
How can I upgrade NumPy?
Python
Opencv
Numpy
Homebrew
Anaconda
Indexing Pandas data frames: integer rows, named columns
Python
Pandas
Dataframe
How to apply piecewise linear fit in Python?
Python
Numpy
Scipy
Curve Fitting
Piecewise
Python MySQL connector - unread result found when using fetchone
Python
Mysql
Get parent of current directory from Python script
Python
Sys
sys.path
How to check all versions of python installed on osx and centos
Python
Linux
Macos
Centos
Version
Modify the legend of pandas bar plot
Python
Pandas
Matplotlib
Plot
Pandas apply but only for rows where a condition is met
Python
Pandas
Dataframe
Apply
How to annotate Count with a condition in a Django queryset
Python
Django
Django Queryset
FailedPreconditionError: Attempting to use uninitialized in Tensorflow
Python
Pandas
Classification
Tensorflow
How do I use pytest with virtualenv?
Python
Virtualenv
Pytest
Correct way to set value on a slice in pandas
Python
Pandas
Chained Assignment
TypeError: super() takes at least 1 argument (0 given) error is specific to any python version?
Python
Python 2.7
Python 2.x
What's the difference between raise, try, and assert?
Python
Assert
Raise
How to simply add a column level to a pandas dataframe
Python
Pandas
Dataframe
Multi Level
Corpora/stopwords not found when import nltk library
Python
Nltk
Replacing a character from a certain index
Python
Python 3.x
String
Resize an image without distortion OpenCV
Python
Image
Python 3.x
Opencv
How to round a numpy array?
Python
Arrays
Numpy
Rounding
How to spread a python array
Python
Python OpenCV - imshow doesn't need convert from BGR to RGB
Python
Opencv
Why when import pygame, it prints the version and welcome message. How delete it?
Python
Terminal
Pygame
"RuntimeError: generator raised StopIteration" every time I try to run app
Python
Python 3.x
Runtime Error
Python 3.7
Stopiteration
unknown error: session deleted because of page crash from unknown error: cannot determine loading status from tab crashed with ChromeDriver Selenium
Python
Selenium
Google Chrome
Selenium Webdriver
Selenium Chromedriver
TypeError: attrib() got an unexpected keyword argument 'convert'
Python
Pytest
ModuleNotFoundError: No module named 'virtualenv.seed.embed.via_app_data' when I created new env by virtualenv
Python
Virtualenv
DeprecationWarning: executable_path has been deprecated selenium python
Python
Selenium
What refactoring tools do you use for Python?
Python
Refactoring
How can I normalize a URL in python
Python
Url
Normalization
Normalize
How to iterate over a timespan after days, hours, weeks and months?
Python
Datetime
What are good rules of thumb for Python imports?
Python
Python Import
SQLite parameter substitution problem
Python
Sqlite
Quoting backslashes in Python string literals
Python
String
Splitting a string into words and punctuation
Python
String
Split
How to get filename of the __main__ module in Python?
Python
Python Module
Is Python slower than Java/C#?
C#
Java
Python
Performance
Advice for C# programmer writing Python
C#
Python
Finding duplicate files and removing them
Python
File
Duplicates
Overriding the save method in Django ModelForm
Python
Django
Django Forms
Django Admin
How to recognize whether a script is running on a tty?
Python
Shell
Why does defining __getitem__ on a class make it iterable in python?
Python
Iterator
Overloading
Custom Filter in Django Admin on Django 1.3 or below
Python
Django
Django Admin
What is an efficient way of inserting thousands of records into an SQLite table using Django?
Python
Sql
Django
Sqlite
Insert
Integrate Python And C++
C++
Python
Integration
Trying to import module with the same name as a built-in module causes an import error
Python
Python Import
Logging, StreamHandler and standard streams
Python
Logging
PicklingError: Can't pickle <class 'decimal.Decimal'>: it's not the same object as decimal.Decimal
Python
Django
Pickle
Checking File Permissions in Linux with Python
Python
UnboundLocalError with nested function scopes
Python
Function
Python string to attribute
Python
Attributes
Decode Hex String in Python 3
Python
Python 3.x
How to make a multidimension numpy array with a varying row size?
Python
Arrays
Numpy
How do you get the process ID of a program in Unix or Linux using Python?
Python
How do I check if stdin has some data?
Python
Redirect
Stdout
Stdin
How to check whether a directory is a sub directory of another directory
Python
Security
Validation
Filesystems
Making decorators with optional arguments
Python
Wrapper
Decorator
Unittest tests order
Python
Unit Testing
Meaning of daemon property on Python Threads
Python
Multithreading
Daemon
Python Multithreading
Is there a Generic python library to consume REST based services?
Python
Rest
Django Unique Together (with foreign keys)
Python
Django
Django Models
Indexing
Unique Constraint
python equivalent of filter() getting two output lists (i.e. partition of a list)
Python
Filter
Data Partitioning
Is it safe to replace '==' with 'is' to compare Boolean-values
Python
How to let Pool.map take a lambda function
Python
Multiprocessing
Pool
how to run this code in django template
Python
Django
Templates
What is the difference between static files and media files in Django?
Python
Django
How to add items into a numpy array
Python
Numpy
Py_Initialize fails - unable to load the file system codec
C++
Python
How do I use pdfminer as a library
Python
Pdf
Pdfminer
Execute a file with arguments in Python shell
Python
Shell
What is the return value of os.system() in Python?
Python
Operating System
Python float to int conversion
Python
Floating Point
Int
check if a file is open in Python
Python
Excel
Where is module being imported from?
Python
TextField missing in django.forms
Python
Django
Convert dynamic python object to json
Python
Json
Where to put a configuration file in Python?
Python
Pythonpath
Configparser
Converting an OpenCV Image to Black and White
Python
Image Processing
Opencv
Computer Vision
How do you watch a variable in pdb
Python
Pdb
How to dynamically create a derived type in the Python C-API
Python
Derived Class
Python 2.x
Python C-Api
creating over 20 unique legend colors using matplotlib
Python
Matplotlib
Legend
How to upload file ( picture ) with selenium, python
Python
Testing
File Upload
Selenium
Upload
Django - FileField check if None
Python
Django
Django Models
How to copy a python class?
Python
Can't install psycopg2 with pip in virtualenv on Mac OS X 10.7
Python
Django
Heroku
Pip
Psycopg2
increase the linewidth of the legend lines in matplotlib
Python
Matplotlib
Legend
How to get NaN when I divide by zero
Python
How do I make a dictionary with multiple keys to one value?
Python
Dictionary
Combine 3 separate numpy arrays to an RGB image in Python
Python
Image
Image Processing
Numpy
Get the number of rows in table using SQLAlchemy
Python
Sql
Sqlalchemy
Python's sum vs. NumPy's numpy.sum
Python
Performance
Numpy
Python 3.x
What is key=lambda
Python
Lambda
Key
Build a Call graph in python including modules and functions?
Python
Function
Static
Module
Call Graph
set pythonpath before import statements
Python
Path
Pythonpath
Rotate image and crop out black borders
Python
Algorithm
Opencv
Aabb
Python check if website exists
Python
Html
Urlopen
How can I dynamically create class methods for a class in python
Python
Class
Metaprogramming
Static Methods
Setattr
How to find parent elements by python webdriver?
Python
Selenium
Xpath
Selenium Webdriver
Parent Child
Best way to return a value from a python script
Python
Return
Return Value
String concatenation without '+' operator
Python
String
Optimization
Concatenation
String Concatenation
reading external sql script in python
Python
Sql
How to run script with elevated privilege on windows
Python
Windows
Admin
Elevated Privileges
Python dictionary replace values
Python
Python 3.x
Dictionary
Pandas add one day to column
Python
Pandas
Shortest way to get first item of `OrderedDict` in Python 3
Python
Python 3.x
Indexing
Iterable
Factorial in numpy and scipy
Python
Numpy
Scipy
Finding non-numeric rows in dataframe in pandas?
Python
Pandas
Dataframe
How to list all fields of a class (and no methods)?
Python
Python 2.7
Introspection
import error: 'No module named' *does* exist
Python
Python Import
Pandas read_sql with parameters
Python
Sql
Pandas
Psycopg2
Automating pydrive verification process
Python
Google Api
Cloud
Google Drive-Api
Pydrive
Split a generator into chunks without pre-walking it
Python
Generator
django-rest-framework 3.0 create or update in nested serializer
Python
Json
Django
Serialization
Django Rest-Framework
Error: Microsoft Visual C++ 10.0 is required (Unable to find vcvarsall.bat) when running Python script
Python
Numpy
Pycharm
select pandas rows by excluding index number
Python
Pandas
openCV video saving in python
Python
Opencv
can you add HTTPS functionality to a python flask web server?
Python
Rest
Https
Flask
How can I resolve 'django_content_type already exists'?
Python
Django
Why is a list comprehension so much faster than appending to a list?
Python
List
Python 2.7
Python 3.x
List Comprehension
Docker-compose and pdb
Python
Docker
Pdb
Docker Compose
Effect of using sys.path.insert(0, path) and sys.path(append) when loading modules
Python
Pythonpath
Check for pending Django migrations
Python
Django
Django Migrations
How to get a list of all indexes in python-elasticsearch
Python
Elasticsearch
How to get image width and height in OpenCV?
Python
C++
Opencv
Mapping dictionary value to list
Python
List
Dictionary
removing emojis from a string in Python
Python
String
Unicode
Special Characters
Emoji
What is the difference between variable_scope and name_scope?
Python
Scope
Tensorflow
Concatenate strings in python in multiline
Python
String
Concatenation
Symbol not found: __PyCodecInfo_GetIncrementalDecoder
Python
Python 2.7
Pycharm
Setuptools
How to convert list of model objects to pandas dataframe?
Python
Numpy
Pandas
How to delete a table in SQLAlchemy?
Python
Sqlite
Sqlalchemy
Drop Table
How to modify datetime.datetime.hour in Python?
Python
Datetime
How to wrap code/text in Jupyter notebooks
Python
Jupyter Notebook
Django error: render_to_response() got an unexpected keyword argument 'context_instance'
Python
Django
How to prevent airflow from backfilling dag runs?
Python
Scheduled Tasks
Airflow
Detect whether a Python string is a number or a letter
Python
String
Ascii
Pandas dataframe groupby plot
Python
Pandas
Matplotlib
Dataframe
How to add and remove new layers in keras after loading weights?
Python
Theano
Keras
Keras Layer
How do I convert an array (i.e. list) column to Vector
Python
Apache Spark
Pyspark
Apache Spark-Sql
Apache Spark-Ml
Python: Difference between os.remove() and os.unlink() and which one to use?
Python
Delete File
ValueError: Wrong number of items passed - Meaning and suggestions?
Python
Pandas
Prediction
Data Science
What are the differences between add_axes and add_subplot?
Python
Matplotlib
Subplot
Figure
Axes
How to test a variable is null in python
Python
How to make a movie out of images in python
Python
Image
Video
Screenshot
How to hide axes and gridlines in Matplotlib (python)
Python
Matplotlib
How to edit a seaborn legend title and labels for figure-level functions
Python
Matplotlib
Legend
Seaborn
Speeding up pandas.DataFrame.to_sql with fast_executemany of pyODBC
Python
Sqlalchemy
Pyodbc
Pandas to-Sql
Adding another suffix to a path that already has a suffix with pathlib
Python
Python 3.x
Pathlib
Pandas get frequency of item occurrences in a column as percentage
Python
Pandas
Dataframe
Percentage
ImportError: cannot import name '_validate_lengths'
Python
Numpy
Scikit Image
Sklearn Pipeline: Get feature names after OneHotEncode In ColumnTransformer
Python
Scikit Learn
Pipeline
Working with Anaconda in Visual Studio Code
Python
Python 3.x
Visual Studio-Code
Anaconda
Conda
What is print(f"...")
Python
What is the most efficient graph data structure in Python?
Python
Performance
Data Structures
Graph Theory
Filter a Python list by predicate
Python
LBYL vs EAFP in Java?
Java
Python
Error Handling
Idioms
Class factory in Python
Python
Factory
Python import coding style
Python
Coding Style
What's the difference between dict() and {}?
Python
Initialization
Instantiation
How can you find unused functions in Python code?
Python
Refactoring
Dead Code
Using BeautifulSoup to find a HTML tag that contains certain text
Python
Regex
Beautifulsoup
Html Content-Extraction
What does the percentage sign mean in Python
Python
Operators
Modulo
NumPy array slice using None
Python
Arrays
Numpy
should I call close() after urllib.urlopen()?
Python
Urllib
How to create inline objects with properties?
Python
Instantiation
Dynamic Languages
Terminate a multi-thread python program
Python
Multithreading
Django Admin: OneToOne Relation as an Inline?
Python
Django
Django Admin
Inline
One to-One
Read from File, or STDIN
Python
File
Command Line
Arguments
Stdin
How can files be added to a tarfile with Python, without adding the directory hierarchy?
Python
Tar
Detecting consecutive integers in a list
Python
Algorithm
List
How can I create an array/list of dictionaries in python?
Python
List
Arrays
Dictionary
Python PEP8: Blank lines convention
Python
Pep8
Unload a module in Python
Python
Memory Leaks
How do I format a number with a variable number of digits in Python?
Python
String
String Formatting
Number Formatting
How to center a window on the screen in Tkinter?
Python
Tkinter
Centering
Python socket connection timeout
Python
Sockets
How do you replace all the occurrences of a certain character in a string?
Python
Csv
Does python urllib2 automatically uncompress gzip data fetched from webpage?
Python
Gzip
Urllib2
"public" or "private" attribute in Python ? What is the best way?
Python
Oop
Properties
Encapsulation
Why can't I find any pywin32 documentation/resources
Python
Pywin32
Pywin
Embed (create) an interactive Python shell inside a Python program
Python
Troubleshooting "descriptor 'date' requires a 'datetime.datetime' object but received a 'int'"
Python
Datetime
python subprocess Popen environment PATH?
Python
Path
Subprocess
Environment
Popen
How do I hide the console when I use os.system() or subprocess.call()?
Python
Windows
Console
Subprocess
Is it reasonable to use None as a dictionary key in Python?
Python
Dictionary
Key
Get location of the .py source file
Python
Using Python, how can I access a shared folder on windows network?
Python
Windows
Networking
re.sub replace with matched content
Python
Regex
Python Re
Python Regex
python dict: get vs setdefault
Python
Dictionary
Setdefault
PyDev unittesting: How to capture text logged to a logging.Logger in "Captured Output"
Python
Unit Testing
Logging
Pydev
sqlalchemy exists for query
Python
Sqlalchemy
Exists
Python Mock object with method called multiple times
Python
Unit Testing
Mocking
Python Mock
Python overwriting variables in nested functions
Python
Scope
python argh/argparse: How can I pass a list as a command-line argument?
Python
Python Argh
Using break in a list comprehension
Python
List Comprehension
Any tutorials for developing chatbots?
Python
Artificial Intelligence
Nlp
Chatbot
Flask throwing 'working outside of request context' when starting sub thread
Python
Flask
Mongoengine
How can I get the current contents of an element in webdriver
Python
Selenium
Webdriver
How to put a variable into Python docstring
Python
Docstring
Specifying data type in Pandas csv reader
Python
Pandas
How to get most informative features for scikit-learn classifiers?
Python
Machine Learning
Classification
Scikit Learn
How to make Django's DateTimeField optional?
Python
Django
Split requirements files in pip
Python
Syntax
Installation
Pip
Package Management
How to implement server push in Flask framework?
Python
Redis
Flask
Juggernaut
Python "FileExists" error when making directory
Python
File Io
Filesystems
Queue
Cluster Computing
How do I shut down a python simpleHTTPserver?
Python
d3.js
Simplehttpserver
return column names from pyodbc execute() statement
Python
Pandas
Pyodbc
Using Flask-SQLAlchemy in Blueprint models without reference to the app
Python
Flask
Flask Sqlalchemy
Get indices of the top N values of a list
Python
List
Positioning the colorbar
Python
Matplotlib
Calculating the area under a curve given a set of coordinates, without knowing the function
Python
Numpy
Scipy
Area
Django Celery Logging Best Practice
Python
Django
Logging
Celery
Django Celery
T-test in Pandas
Python
Pandas
Scipy
Statistics
Hypothesis Test
Python: How to use RegEx in an if statement?
Python
Regex
matplotlib: drawing lines between points ignoring missing data
Python
Matplotlib
Using other keys for the waitKey() function of opencv
Python
Opencv
Selenium: get coordinates or dimensions of element with Python
Python
Selenium
Can't get argparse to read quoted string with dashes in it?
Python
Argparse
Command Line-Interface
python NameError: name 'file' is not defined
Python
Pip
Gunicorn
No usable temporary directory found
Python
Odoo
Python JSON dump / append to .txt with each variable on new line
Python
Json
Append
Newline
Dump
redirect while passing arguments
Python
Flask
Box around text in matplotlib
Python
Text
Matplotlib
Boxplots in matplotlib: Markers and outliers
Python
Matplotlib
Statistics
Boxplot
Local variable referenced before assignment?
Python
Python 2.7
Python 3.x
Variable Assignment
Average values in two Numpy arrays
Python
Arrays
Numpy
GeoDjango GEOSException error
Python
Django
Homebrew
Geodjango
pep8 warning on regex string in Python, Eclipse
Python
String
Eclipse
Pydev
Pep8
How to redirect stdout and stderr to logger in Python
Python
Logging
Python 3.x
Stdout
Flask Python Buttons
Python
Html
Button
Flask
Comparing two pandas dataframes for differences
Python
Python 2.7
Pandas
How do I compute the intersection point of two lines?
Python
Geometry
Line
Intersect
Python conversion between coordinates
Python
Coordinate Systems
Homebrew brew doctor warning about /Library/Frameworks/Python.framework, even with brew's Python installed
Python
Macos
Python 2.7
Homebrew
Brew Doctor
Invalid control character with Python json.loads
Python
Json
Converting to (not from) ipython Notebook format
Python
Ipython
Ipython Notebook
Jupyter Notebook
python: deque vs list performance comparison
Python
Performance
Data Structures
Benchmarking
Deque
How to strip a specific word from a string?
Python
String
Strip
Split pandas dataframe based on groupby
Python
Pandas
Pandas Groupby
IPython Notebook - early exit from cell
Python
Ipython
Ipython Notebook
Is there an equivalent to the "for ... else" Python loop in C++?
Python
C++
Loops
For Loop
Break
SyntaxError: non-default argument follows default argument
Python
Python sharing a lock between processes
Python
Locking
Multiprocessing
Share
Drop multiple columns in pandas
Python
Pandas
How to add trendline in python matplotlib dot (scatter) graphs?
Python
Scatter
Trendline
Django delete superuser
Python
Django
What is the point of indexing in pandas?
Python
Pandas
Indexing
Switching from SQLite to MySQL with Flask SQLAlchemy
Python
Mysql
Database
Sqlite
Flask Sqlalchemy
How to prevent "too broad exception" in this case?
Python
Exception
Pep8
Merge multiple column values into one column in python pandas
Python
List
Pandas
Row
Dataframe
Pandas - check if ALL values are NaN in Series
Python
Pandas
Null
Nan
Series
Alembic: IntegrityError: "column contains null values" when adding non-nullable column
Python
Sqlalchemy
Alembic
Python Docstring: raise vs. raises
Python
Documentation
Docstring
No module named 'openpyxl' - Python 3.4 - Ubuntu
Python
Ubuntu
Python 3.4
Openpyxl
Using python decorator with or without parentheses
Python
Decorator
installing python packages without internet and using source code as .tar.gz and .whl
Python
Pip
Openstack
How to perform union on two DataFrames with different amounts of columns in spark?
Python
Apache Spark
Pyspark
Apache Spark-Sql
Pyspark Dataframes
The easiest way for getting feature names after running SelectKBest in Scikit Learn
Python
Pandas
Scikit Learn
Feature Selection
How do I change a single index value in pandas dataframe?
Python
Pandas
Data Analysis
How to annotate a type that's a class object (instead of a class instance)?
Python
Annotations
Type Hinting
Python Typing
How to save & load xgboost model?
Python
Machine Learning
Save
Xgboost
ValueError: Missing staticfiles manifest entry for 'favicon.ico'
Python
Django
Static
Django Views
Django Staticfiles
using pip3: module "importlib._bootstrap" has no attribute "SourceFileLoader"
Python
Linux
Ubuntu
Pip
How to export Keras .h5 to tensorflow .pb?
Python
Tensorflow
Keras
Django - Reverse for '' not found. '' is not a valid view function or pattern name
Python
Django
Paypal
Render
difference between StratifiedKFold and StratifiedShuffleSplit in sklearn
Python
Scikit Learn
Cross Validation
What does it mean to "run library module as a script" with the "-m" option?
Python
Python 3.x
numpy array TypeError: only integer scalar arrays can be converted to a scalar index
Python
Numpy
Indexing
Vectorization
Save and load weights in keras
Python
Keras
cannot write mode RGBA as JPEG
Python
Python Imaging-Library
Python 3.6
Different object size of True and False in Python 3
Python
Python 3.x
Python 2.7
Cpython
Python Internals
Failed to get convolution algorithm. This is probably because cuDNN failed to initialize,
Python
Tensorflow
Keras
Dynamically evaluate an expression from a formula in Pandas
Python
Pandas
Dataframe
Formula
Eval
Combine f-string and raw string literal
Python
Python 3.x
F String
df.drop if it exists
Python
Pandas
How to avoid "CUDA out of memory" in PyTorch
Python
Deep Learning
Pytorch
Object Detection
Low Memory
How to convert a file to utf-8 in Python?
Python
Encoding
File
Utf 8
Python Argument Binders
Python
Partial Application
Is there a HAML implementation for use with Python and Django
Python
Django
Django Templates
Haml
How can I profile a multithread program in Python?
Python
Multithreading
Profiling
How to get the label of a choice in a Django forms ChoiceField?
Python
Django
Choicefield
Python: finding uid/gid for a given username/groupname (for os.chown)
Python
Emulating pass-by-value behaviour in python
Python
Pass by-Value
Callable modules
Python
Module
Python Import
Tkinter: AttributeError: NoneType object has no attribute <attribute name>
Python
User Interface
Tkinter
Possible to share in-memory data between 2 separate processes?
Python
Python: is using "..%(var)s.." % locals() a good practice?
Python
String
Design Patterns
Anti Patterns
Alternative way to split a list into groups of n
Python
Is `import module` better coding style than `from module import function`?
Python
Python Import
Get webpage contents with Python?
Python
Python 3.x
C and Python - different behaviour of the modulo (%) operation
Python
C
Math
Modulo
Is it possible to compile a program written in Python?
Python
Compilation
Understanding .get() method in Python
Python
Selecting distinct column values in SQLAlchemy/Elixir
Python
Sql
Sqlalchemy
Python Elixir
Overriding urllib2.HTTPError or urllib.error.HTTPError and reading response HTML anyway
Python
Urllib2
Urllib
Http Error
TypeError: unsupported operand type(s) for -: 'str' and 'int'
Python
Python 3.x
Which is best in Python: urllib2, PycURL or mechanize?
Python
Urllib2
Mechanize
Pycurl
Non-blocking console input?
Python
Windows
Input
yet another confusion with multiprocessing error, 'module' object has no attribute 'f'
Python
Multiprocessing
Is there a php function like python's zip?
Php
Python
How to send html email with django with dynamic content in it?
Python
Django
Parsing files (ics/ icalendar) using Python
Python
Icalendar
Calculating Time Difference
Python
Time
Attaching a decorator to all functions within a class
Python
Class
Oop
Decorator
Class Method
How to load existing db file to memory in Python sqlite3?
Python
Performance
Sqlite
generating variable names on fly in python
Python
Create or append to a list in a dictionary - can this be shortened?
Python
Dictionary
Create random list of integers in Python
Python
List
Random
Performance
PIL thumbnail is rotating my image?
Python
Python Imaging-Library
how do I clear a stringio object?
Python
Stringio
Why am I getting "IndentationError: expected an indented block"?
Python
Python - Convert string representation of date to ISO 8601
Python
Datetime
Iso8601
Python script as linux service/daemon
Python
Linux
Service
Daemon
Format ints into string of hex
Python
Formatting
Building Python with SSL support in non-standard location
Python
Openssl
Compilation
Why doesn't zeromq work on localhost?
Python
Localhost
Zeromq
SQLAlchemy + SQL Injection
Python
Security
Sqlalchemy
Interpolate NaN values in a numpy array
Python
Numpy
Interpolation
Nan
Importing a function from a class in another file?
Python
Class
Import
PyQt or PySide - which one to use
Python
Pyqt
Pyside
How to escape {{ or }} in django template?
Python
Django
Python: best practice and securest way to connect to MySQL and execute queries
Python
Mysql
Sql Injection
Error: 'int' object is not subscriptable - Python
Python
Python 2.7
Type Conversion
How to highlight specific x-value ranges
Python
Statistics
Matplotlib
Is there a quiet version of subprocess.call?
Python
Subprocess
Silent
Importing packages in Python
Python
Python Import
Why assert is not largely used?
Python
Debugging
Assert
How to set the default color cycle for all subplots with matplotlib?
Python
Matplotlib
Colors
How do I access (read, write) Google Sheets spreadsheets with Python?
Python
Google Sheets
Google Api
Google Api-Python-Client
Google Sheets-Api
Python Array Slice With Comma?
Python
List
Numpy
Slice
Initialise numpy array of unknown length
Python
Arrays
Numpy
How can I use Bootstrap with Django?
Python
Django
Twitter Bootstrap
Python decorator best practice, using a class vs a function
Python
Python 2.7
Decorator
Syntactic Sugar
How to make an object properly hashable?
Python
Python 3.x
Are numpy arrays passed by reference?
Python
Arrays
Numpy
Uploading multiple files with Flask
Python
File Upload
Flask
Numpy slice of arbitrary dimensions
Python
Numpy
No numeric types to aggregate - change in groupby() behaviour?
Python
Pandas
Calculating difference between two rows in Python / Pandas
Python
Pandas
What the difference between using Django redirect and HttpResponseRedirect?
Python
Django
Redirect
Matplotlib-Animation "No MovieWriters Available"
Python
Linux
Animation
Matplotlib
Runtime Error
TypeError: Can't convert 'int' object to str implicitly
Python
String
Int
Implicit
Multiple variables in SciPy's optimize.minimize
Python
Math
Scipy
Passing table name as a parameter in psycopg2
Python
Sql
Postgresql
Sql Injection
Psycopg2
can you write a str.replace() using dictionary values in Python?
Python
Dictionary
Str Replace
Remove char at specific index - python
Python
Reading YAML file with Python results in yaml.composer.ComposerError: expected a single document in the stream
Python
Yaml
Pyyaml
flask before request - add exception for specific route
Python
Flask
How to export virtualenv?
Python
Django
Virtualenv
How do I .decode('string-escape') in Python 3?
Python
Python 3.x
Escaping
Close pre-existing figures in matplotlib when running from eclipse
Python
Numpy
Matplotlib
Pydev
How to map number to color using matplotlib's colormap?
Python
Matplotlib
assigning class variable as default value to class method argument
Python
Class
Variable Assignment
I have 2 versions of python installed, but cmake is using older version. How do I force cmake to use the newer version?
Python
Python 2.7
Cmake
Increase distance between title and plot in matplolib?
Python
Matplotlib
Plot
Title
Margins
Clone an image in cv2 python
Python
Opencv
Read and Write CSV files including unicode with Python 2.7
Python
Csv
Python 2.7
Unicode
Export
Appending an id to a list if not already present in a string
Python
Elegant way to perform tuple arithmetic
Python
Python 2.7
Numpy
Tuples
How to run a method before all tests in all classes?
Python
Selenium
Pytest
Using any() and all() to check if a list contains one set of values or another
Python
List
How to count the number of words in a sentence, ignoring numbers, punctuation and whitespace?
Python
List
Text
Counter
Text Processing
Convert numpy.datetime64 to string object in python
Python
Date
Datetime
Numpy
Get SQL query count during a Django shell session
Python
Sql
Django
Shell
Accessing dictionary by key in Django template
Python
Django
Json
Rearrange columns of numpy 2D array
Python
Arrays
Numpy
Edit in-Place
Getting console.log output from Chrome with Selenium Python API bindings
Python
Google Chrome
Logging
Selenium
Python, what does an underscore before parenthesis do
Python
Syntax
How to make a pandas crosstab with percentages?
Python
Pandas
Crosstab
Python equivalent to 'hold on' in Matlab
Python
Matlab
Graph
Matplotlib
Why set_xticks doesn't set the labels of ticks?
Python
Matplotlib
Making django server accessible in LAN
Python
Django
Clearly documented reading of emails functionality with python win32com outlook
Python
Python 3.x
Email
Outlook
Win32com
Pandas - Plotting a stacked Bar Chart
Python
Matplotlib
Pandas
Ipython Notebook
Python 3.4
How to put legend outside the plot with pandas
Python
Matplotlib
Pandas
Concatenate Pandas columns under new multi-index level
Python
Pandas
Multi Index
How to write an inline-comment in Python
Python
Comments
No module named pip.req
Python
Pip
Tweepy
Flask, how to return a success status code for ajax call
Jquery
Python
Ajax
Flask
Python NLTK: SyntaxError: Non-ASCII character '\xc3' in file (Sentiment Analysis -NLP)
Python
Unicode
Nlp
Nltk
@csrf_exempt does not work on generic view based class
Python
Django
Check if key exists in a Python dict in Jinja2 templates
Python
Django
Jinja2
Check if any item in Python list is None (but include zero)
Python
What should I use instead of syncdb in Django 1.9?
Python
Django
Django 1.8
Selenium Finding elements by class name in python
Python
Selenium
Selenium Webdriver
Webdriver
Classname
Can't connect to Flask web service, connection refused
Python
Flask
UnicodeEncodeError: 'ascii' codec can't encode character at special name
Python
Unicode
Encoding
Beautifulsoup
Ascii
Different result with roc_auc_score() and auc()
Python
Machine Learning
Scikit Learn
Import error, No module named xxxx
Python
Python 3.x
Importing PNG files into Numpy?
Python
Image
Numpy
Png
pandas DataFrame "no numeric data to plot" error
Python
Pandas
Matplotlib
Why is 'a' in ('abc') True while 'a' in ['abc'] is False?
Python
Find the closest date to a given date
Python
Date
Datetime
Eliminating warnings from scikit-learn
Python
Scikit Learn
Warnings
Copy all values in a column to a new column in a pandas dataframe
Python
Pandas
Add an empty column to Spark DataFrame
Python
Apache Spark
Dataframe
Pyspark
Apache Spark-Sql
Tensorflow One Hot Encoder?
Python
Machine Learning
Neural Network
Tensorflow
Compute row average in pandas
Python
Pandas
Use a.any() or a.all()
Python
Numpy
Pycharm: "scanning files to index" is taking forever
Python
Pycharm
Why is range(0) == range(2, 2, 2) True in Python 3?
Python
Python 3.x
Range
Identity
Python Internals
Can I run Jupyter notebook cells in commandline?
Python
Command Line
Ipython
Jupyter
Importing installed package from script raises "AttributeError: module has no attribute" or "ImportError: cannot import name"
Python
Exception
Python Module
Shadowing
The role defined for the function cannot be assumed by Lambda
Python
Amazon Web-Services
Boto
Aws Sdk
Aws Lambda
Shortcut key for commenting out lines of Python code in Spyder
Python
Spyder
TypeError: only length-1 arrays can be converted to Python scalars while plot showing
Python
Numpy
Keras model.summary() result - Understanding the # of Parameters
Python
Machine Learning
Neural Network
Keras
Theano
pandas equivalent of np.where
Python
Pandas
Numpy
Where Clause
Pyspark: display a spark data frame in a table format
Python
Pandas
Pyspark
Spark Dataframe
Correlation heatmap
Python
Correlation
Read data from pyodbc to pandas
Python
Pandas
Pyodbc
What does replacement mean in numpy.random.choice?
Python
Sampling
How can you "clone" a conda environment into the root environment?
Python
Anaconda
Conda
Most efficient way to forward-fill NaN values in numpy array
Python
Arrays
Performance
Pandas
Numpy
Getting an "invalid syntax" when trying to perform string interpolation
Python
Python 3.x
Ubuntu 16.04
String Interpolation
How to update-alternatives to Python 3 without breaking apt?
Python
Linux
Ubuntu
Debian
Apt
DLL load failed error when importing cv2
Python
Opencv
Cv2
Seaborn Barplot - Displaying Values
Python
Pandas
Matplotlib
Seaborn
Bar Chart
Jupyter notebook not running code. Stuck on In [*]
Python
Jupyter Notebook
Jupyter
Read csv from Google Cloud storage to pandas dataframe
Python
Pandas
Csv
Google Cloud-Platform
Google Cloud-Storage
Learning asyncio: "coroutine was never awaited" warning error
Python
Python Asyncio
Aiohttp
What is the difference between sparse_categorical_crossentropy and categorical_crossentropy?
Python
Tensorflow
Machine Learning
Keras
Deep Learning
Why is a.insert(0,0) much slower than a[0:0]=[0]?
Python
Performance
Is there any difference between "string" and 'string' in Python?
Python
String
Quotes
Double Quotes
Is there a way to prevent a SystemExit exception raised from sys.exit() from being caught?
Python
Exception
Exit
Systemexit
How do I restrict foreign keys choices to related objects only in django
Python
Django
Django Models
Size of an open file object
Python
File
File Io
Filesize
Tarfile
What is the fastest way to parse large XML docs in Python?
Python
Xml
Performance
Parsing
Difference between class foo and class foo(object) in Python
Python
How to gracefully deal with failed future feature (__future__) imports due to old interpreter version?
Python
Python Import
Calling a class method raises a TypeError in Python
Python
Python 3.x
Class
Methods
Resolving a relative url path to its absolute path
Python
Url
Path
Best way to integrate Python and JavaScript?
Javascript
Python
Brython
Transcrypt
Rapydscript
Best Practices for Python Exceptions?
Python
Exception
Unbuffered stdout in python (as in python -u) from within the program
Python
Why is '#!/usr/bin/env python' supposedly more correct than just '#!/usr/bin/python'?
Python
Bash
Run Python script without Windows console appearing
Python
Windows
Shell
Python regex matching Unicode properties
Python
Regex
Unicode
Ucd
Character Properties
In python is there a way to check if a function is a "generator function" before calling it?
Python
Function
Generator
Coroutine
How can I "zip sort" parallel numpy arrays?
Python
Sorting
Numpy
High-precision clock in Python
Python
Time
pyyaml: dumping without tags
Python
Yaml
Pyyaml
How are exceptions implemented under the hood?
C++
Python
C
Exception
Python conversion from binary string to hexadecimal
Python
Binary
Hex
How to create a new database using python and sqlite3
Python
Sqlite
What is the meaning of %r?
Python
Repr
How to iterate over the first n elements of a list?
Python
List
Slice
List Directories and get the name of the Directory
Python
List
Directory
Operating System
How to split but ignore separators in quoted strings, in python?
Python
Regex
Prevent Python from caching the imported modules
Python
Import
Ipython
Python Module
Python Import
How to exit a program: sys.stderr.write() or print
Python
Error Handling
__getattr__ for static/class variables in python
Python
Class Method
Getattr
Is it Pythonic to use bools as ints?
Boolean
Python
urllib2 and json
Python
Json
Urllib2
Equivalent of Numpy.argsort() in basic python?
Python
Numpy
in python how do I convert a single digit number into a double digits string?
Python
String
Numbers
Digits
How to check if a character is upper-case in Python?
Python
String
What is the difference between list and list[:] in python?
Python
Django Admin: Using a custom widget for only one model field
Python
Django
Django Forms
Django Admin
Django Widget
python packaging for relative imports
Python
Python Import
In Django models.py, what's the difference between default, null, and blank?
Python
Database
Django
String
Integer
Python 2.7 on Ubuntu
Python
Ubuntu
Python 2.7
How to see the real SQL query in Python cursor.execute using pyodbc and MS-Access
Python
Sql
Ms Access
Pyodbc
How to round each item in a list of floats to 2 decimal places?
Python
How to specify install order for python pip?
Python
Pip
Virtualenv
requirements.txt
Index of duplicates items in a python list
Python
matching query does not exist Error in Django
Python
Django
Django Models
Django Templates
Django Views
How to copy a dict and modify it in one line of code
Coding Style
Python
Python MySQLdb issues (TypeError: %d format: a number is required, not str)
Python
Insertion
Mysql Python
How to run a code in an Amazone's EC2 instance?
Python
Amazon Ec2
English grammar for parsing in NLTK
Python
Nlp
Grammar
Nltk
What is the advantage of the new print function in Python 3.x over the Python 2 print statement?
Python
Function
Printing
Python 3.x
Python 2.x
Python conditional assignment operator
Python
Variables
Conditional
DictCursor doesn't seem to work under psycopg2
Python
Postgresql
Dictionary
Psycopg2
Importing modules inside python class
Python
Class
Import
Module
Find the item with maximum occurrences in a list
Python
List
Max
Counting
Matplotlib: save plot to numpy array
Python
Numpy
Matplotlib
Python - How to extract the last x elements from a list
Python
App created with PyInstaller has a slow startup
Python
Windows
Performance
Pyinstaller
Convert RGB color to English color name, like 'green' with Python
Python
Css
Image
Colors
Tuples
How to check if an element of a list is a list (in Python)?
Python
Weak References in python
Python
Python 2.7
How can I ignore ValueError when I try to remove an element from a list?
Python
List
Error Handling
Elements
Right-to-left string replace in Python?
Python
String
ImportError: No module named sqlalchemy
Python
Sqlalchemy
Flask Sqlalchemy
Check if a file is not open nor being used by another process
Python
File
Silently removing key from a python dict
Python
Dictionary
What exactly are "containers" in python? (And what are all the python container types?)
Python
Containers
What do numbers starting with 0 mean in python?
Python
Python 2.x
Unable log in to the django admin page with a valid username and password
Python
Django
Login
Admin
Mod Wsgi
What is the difference between a function, an unbound method and a bound method?
Python
Oop
Function
Methods
R expand.grid() function in Python
Python
R
How to append data to a json file?
Python
Json
Applying a function to values in dict
Python
Dictionary
How to get system timezone setting and pass it to pytz.timezone?
Python
Timezone
Pytz
Python equivalent of npm or rubygems
Python
Rubygems
Npm
What is the complexity of the sorted() function?
Python
Algorithm
Sorting
Integer square root in python
Python
Math
Integer
Sqrt
Python 3 bytes formatting
Python
Python 3.x
String Formatting
unsupported operand type(s) for *: 'float' and 'Decimal'
Python
Django
How to convert base64 string to image?
Python
Base64
Improving performance of very large dictionary in Python
Python
Performance
Dictionary
Hashtable
Python Internals
When and how to use Python's RLock
Python
Python 2.7
Locking
Python dictionary keys. "In" complexity
Python
Dictionary
Hashmap
Complexity Theory
Big O
python copy files by wildcards
Python
File
Copy
Glob
Shutil
Kill python interpeter in linux from the terminal
Python
Linux
Terminal
Command
How do I plot list of tuples in Python?
Python
Numpy
Matplotlib
Scipy
Gnuplot
How can I check if a string only contains letters in Python?
Python
String
Conditional Statements
Can pandas groupby aggregate into a list, rather than sum, mean, etc?
Python
Pandas
Python Multiprocessing: Handling Child Errors in Parent
Python
Error Handling
Multiprocessing
Python: Wait on all of `concurrent.futures.ThreadPoolExecutor`'s futures
Python
Concurrency
Future
pandas to_csv output quoting issue
Python
File Io
Pandas
How do I parse a date as an argument with argparse?
Python
Date
Command Line
Argparse
Specifying targets for intersphinx links to numpy, scipy, and matplotlib
Python
Numpy
Matplotlib
Scipy
Python Sphinx
lxml installation error ubuntu 14.04 (internal compiler error)
Python
Installation
Pip
Lxml
Ubuntu 14.04
Pandas 'describe' is not returning summary of all columns
Python
Pandas
Can sklearn random forest directly handle categorical features?
Python
Scikit Learn
Random Forest
One Hot-Encoding
Why are complex numbers in Python denoted with 'j' instead of 'i'?
Python
pypi see older versions of package
Python
Django
Pypi
Using python Requests with javascript pages
Python
Web Scraping
Python Requests
How do I make a python script executable?
Python
Command Line
Trouble passing in lambda to apply for pandas DataFrame
Python
Pandas
Dataframe
Lambda
Apply
How to calculate correlation between all columns and remove highly correlated ones using pandas?
Python
Pandas
Correlation
How to do CamelCase split in python
Python
Regex
Camelcasing
Transform a Counter object into a Pandas DataFrame
Python
Pandas
Dataframe
Counter
Logarithmic returns in pandas dataframe
Python
Pandas
Print "\n" or newline characters as part of the output on terminal
Python
String
Newline
Pandas update sql
Python
Postgresql
Pandas
Add colorbar to existing axis
Python
Matplotlib
Linear regression analysis with string/categorical features (variables)?
Python
Machine Learning
Regression
Linear Regression
Feature Selection
"Failed building wheel for psycopg2" - MacOSX using virtualenv and pip
Python
Django
Postgresql
Virtualenv
Psycopg2
Unexpected Exception: name 'basestring' is not defined when invoking ansible2
Python
Python 3.x
Ansible
Ansible 2.x
How to install cryptography on ubuntu?
Python
Ubuntu
Cryptography
Pip
multiprocessing: map vs map_async
Python
Python Multiprocessing
What should I use to open a url instead of urlopen in urllib3
Python
Web Scraping
Beautifulsoup
Urllib3
How do I find the name of the conda environment in which my code is running?
Python
Anaconda
Jupyter
Conda
Env
Collectstatic error while deploying Django app to Heroku
Python
Django
Heroku
Deployment
Collectstatic
Disable iPython Notebook Autoscrolling
Python
Python 2.7
Ipython
Jupyter Notebook
What is the difference between SimpleNamespace and empty class definition?
Python
Python 3.x
Comparing boolean and int using isinstance
Python
Int
Boolean
Comparison
Isinstance
jupyter notebook running kernel in different env
Python
Packages
Jupyter
Conda
Virtual Environment
'WSGIRequest' object has no attribute 'user' Django admin
Python
Django
Admin
Panel
Wsgi
ImportError: No module named google.protobuf
Python
Python 2.7
Protocol Buffers
Running Jupyter with multiple Python and IPython paths
Python
Ipython
Jupyter
Jupyter Notebook
pip install pygraphviz: No package 'libcgraph' found
Python
Macos
Installation
Pip
Pygraphviz
Passing file as argument to Docker container
Python
Docker
Jupyter Notebook authentication token while in Pycharm
Python
Pycharm
Jupyter
Is there a way to undo a migration on Django and uncheck it from the list of showmigrations?
Python
Django
Migration
How to zip two 1d numpy array to 2d numpy array
Python
Numpy
Executing an SQL query over a pandas dataset
Python
Sqlite
Pandas
collect_list by preserving order based on another variable
Python
Apache Spark
Pyspark
Use TQDM Progress Bar with Pandas
Python
Pandas
Tqdm
What does conda do when "solving environment"
Python
Anaconda
Updates
Conda
Package Managers
Error #15: Initializing libiomp5.dylib, but found libiomp5.dylib already initialized
Python
Macos
Matplotlib
How to do gradient clipping in pytorch?
Python
Machine Learning
Deep Learning
Pytorch
Gradient Descent
Randomness of Python's random
Python
Random
Why does splatting create a tuple on the rhs but a list on the lhs?
Python
Python 3.x
List
Tuples
Splat
How can I render a tree structure (recursive) using a django template?
Python
Django
Using Python's ftplib to get a directory listing, portably
Python
Ftp
Portability
How do I get a decimal value when using the division operator in Python?
Python
Python 2.7
Math
Syntax
Operators
Does python support multiprocessor/multicore programming?
Python
Multicore
Performance comparison of Thrift, Protocol Buffers, JSON, EJB, other?
Java
Python
Performance
Protocol Buffers
Thrift
No Module named django.core
Python
Django
How to evaluate environment variables into a string in Python?
Python
Filesystems
Environment Variables
Extending python - to swig, not to swig or Cython
Python
C++
C
Swig
Cython
How to slice a list from an element n to the end in python?
Python
List
Sequence
Slice
How would you implement a basic event-loop?
C++
Python
Blocking
Event Loop
Python: avoiding Pylint warnings about too many arguments
Python
Refactoring
Pylint
How to prevent a block of code from being interrupted by KeyboardInterrupt in Python?
Python
Python and Intellisense
Python
Ide
Intellisense
Django forms, inheritance and order of form fields
Python
Django
Django Forms
Is it safe to replace a self object by another object of the same type in a method?
Python
Which PEP's are must reads?
Python
Pep
Underscore _ as variable name in Python
Python
Variables
Naming Conventions
Metasyntactic Variable
Why is 'dir()' named 'dir' in python?
Python
Built In
Dir
Python Datatype for a fixed-length FIFO
Python
embedding short python scripts inside a bash script
Python
Bash
Decorating class methods - how to pass the instance to the decorator?
Python
Python Decorators
How to call function that takes an argument in a Django template?
Python
Django
Function
Variables
Django Templates
The problem with installing PIL using virtualenv or buildout
Python
Python Imaging-Library
Easy Install
Buildout
Pip
Silence the stdout of a function in Python without trashing sys.stdout and restoring each function call
Python
Stdout
Django Template Ternary Operator
Python
Django
Templates
Ternary Operator
How to silent/quiet HTTPServer and BasicHTTPRequestHandler's stderr output?
Python
Httpserver
Basehttpserver
logging remove / inspect / modify handlers configured by fileConfig()
Python
Logging
How to change the message in a Python AssertionError?
Python
Exception
Assertions
Nose
How to inherit and extend a list object in Python?
Python
List
Inheritance
What is the clean way to unittest FileField in django?
Python
Django
Filefield
Django Unittest
Python threads all executing on a single core
Python
Multithreading
Performance
Plotting 3D Polygons in python-matplotlib
Python
Matplotlib
Plot
Decrementing for loops
Python
For Loop
Decrement
Can I catch error codes when using Fabric to run() calls in a remote shell?
Python
Error Handling
Fabric
Methods with the same name in one class in Python
Python
Overloading
Multiple assignment semantics
Python
Variable Assignment
Determining what version of Flask is installed
Python
Flask
Any way to make {% extends '...' %} conditional? - Django
Python
Ajax
Django
Django Templates
Mid-line comment in Python?
Python
Syntax
Comments
What's the difference between python shebangs with /usr/bin/env rather than hard-path?
Python
Path
Environment
Shebang
Python executables: py2exe or PyInstaller?
Windows
Python
Executable
Target WSGI script cannot be loaded as Python module
Python
Django
Apache
Mod Wsgi
Wsgi
Scrapy Unit Testing
Python
Unit Testing
Scrapy
Nose
Interactive matplotlib plot with two sliders
Python
Keyboard
Matplotlib
Interactive
Temporarily Redirect stdout/stderr
Python
Redirect
Stdout
Stderr
Installing MySQL-python
Python
Mysql
Python: logging module - globally
Python
Logging
Module
Global Variables
How to convert upper case letters to lower case
Python
Matplotlib - add colorbar to a sequence of line plots
Python
Matplotlib
Colorbar
How can I force Python's file.write() to use the same newline format in Windows as in Linux ("\r\n" vs. "\n")?
Python
Newline
Best practice for setting the default value of a parameter that's supposed to be a list in Python?
Python
Default Value
Pylint
PyPi download counts seem unrealistic
Python
Web Crawler
Pypi
Finding index of an item closest to the value in a list that's not entirely sorted
Python
List
Search
Break string into list of characters in Python
Python
List
Readlines
Calling a Python function with *args,**kwargs and optional / default arguments
Python
Python 3.x
Keyword Argument
Difference between the built-in pow() and math.pow() for floats, in Python?
Python
Math
How to switch to new window in Selenium for Python?
Python
Selenium
Onclick
Webdriver
Ui Automation
Python / Pandas - GUI for viewing a DataFrame or Matrix
Python
User Interface
Pandas
Dataframe
datetime: Round/trim number of digits in microseconds
Python
Datetime
Formatter
re.findall which returns a dict of named capturing groups?
Python
Regex
Django and Bootstrap: What app is recommended?
Python
Django
Twitter Bootstrap
Python: filtering lists by indices
Python
List
Filter
Indexing
How to use numpy.genfromtxt when first column is string and the remaining columns are numbers?
Python
Numpy
Python replace string pattern with output of function
Python
Regex
Reason for globals() in Python?
Python
Global Variables
Global
Set legend symbol opacity with matplotlib?
Python
Matplotlib
Why can't I get `pip install lxml` to work within a virtualenv?
Python
Virtualenv
Virtualenvwrapper
Is there a compact equivalent to Python range() in C++/STL
C++
Python
Editing the date formatting of x-axis tick labels in matplotlib
Python
Matplotlib
How does python find a module file if the import statement only contains the filename?
Python
Python Import
Python Module
Pythonpath
Calculating Covariance with Python and Numpy
Python
Numpy
Covariance
Run Class methods in threads (python)
Python
Multithreading
Class
Methods
Conditional statement in a one line lambda function in python?
Python
If Statement
Lambda
Ternary Operator
Conditional Operator
how to get the last part of a string before a certain character?
Python
String
Python 2.7
Split
Slice
A very simple multithreading parallel URL fetching (without queue)
Python
Multithreading
Callback
Python Multithreading
Urlfetch
Nested list comprehension with two lists
Python
Nested
List Comprehension
AttributeError while querying: Neither 'InstrumentedAttribute' object nor 'Comparator' has an attribute
Python
Sqlalchemy
Attributeerror
HDF5 - concurrency, compression & I/O performance
Python
Sqlite
Pandas
Hdf5
Does python logging flush every log?
Python
Performance
Logging
Flush
How to use argparse subparsers correctly?
Python
Argparse
Test case execution order in pytest
Python
Pytest
Python class @property: use setter but evade getter?
Python
Class
Properties
Timing
How to sort pandas data frame using values from several columns?
Python
Sorting
Dataframe
Pandas
Is there a way to put comments in multiline code?
Python
Comments
Format
Multiline
Backslash
Python Socket Receive Large Amount of Data
Python
Sockets
Can't use SURF, SIFT in OpenCV
Python
Opencv
Sift
Surf
Are there any reasons not to use an OrderedDict?
Python
Dictionary
Python 3.x
Ordereddictionary
When scattering Flask Models, RuntimeError: 'application not registered on db' was raised
Python
Flask
Slice indices must be integers or None or have __index__ method
Python
Slice
unable to create autoincrementing primary key with flask-sqlalchemy
Python
Postgresql
Sqlalchemy
Flask
Flask Sqlalchemy
ImportError: No module named virtualenv
Python
Django
Windows 7
Jinja2 template not rendering if-elif-else statement properly
Python
Css
If Statement
Jinja2
pandas applying regex to replace values
Python
Regex
Pandas
How would I cross-reference a function generated by autodoc in Sphinx?
Python
Methods
Python Sphinx
Restructuredtext
Autodoc
Python: count repeated elements in the list
Python
Python 2.7
How to deal with Pylint's "too-many-instance-attributes" message?
Python
Instance Variables
Pylint
Code Readability
Code Structure
How to extract text from an existing docx file using python-docx
Python
Python 2.7
Python 3.x
Python Docx
Why is Flask application not creating any logs when hosted by Gunicorn?
Python
Logging
Flask
Gunicorn
Remove index column while saving csv in pandas
Python
Csv
Pandas
super() and @staticmethod interaction
Python
Python 2.7
Static Methods
Super
Matplotlib legends in subplot
Python
Matplotlib
print the unique values in every column in a pandas dataframe
Python
For Loop
Pandas
Unable to load files using pickle and multiple modules
Python
Multithreading
Login
Pyqt4
Pickle
Subprocess check_output returned non-zero exit status 1
Python
Python 3.x
Subprocess
ipython server can't launch: No module named notebook.notebookapp
Python
Server
Ipython
What is the meaning of "int(a[::-1])" in Python?
Python
Python 2.7
Python 3.x
Convert commas decimal separators to dots within a Dataframe
Python
Pandas
Csv
Delimiter
Separator
List of All Tkinter Events
Python
Tkinter
Tcl
Getting values from functions that run as asyncio tasks
Python
Python 3.x
Python 3.4
Python Asyncio
Not able to create super user with Django manage.py
Python
Django
Python 3.x
Django Admin
Django 1.8
How do I list the files inside a python wheel?
Python
Package
Python Wheel
Python Packaging
Python functools lru_cache with instance methods: release object
Python
Caching
Python Decorators
Lru
Functools
Create a Postgres database using python
Python
Postgresql
Psycopg2
Django: change the value of a field for all objects in a queryset
Python
Django
Django Queryset
In TensorFlow, what is tf.identity used for?
Python
Tensorflow
Django migration with uuid field generates duplicated values
Python
Django
Uuid
Django Migrations
Numpy shuffle multidimensional array by row only, keep column order unchanged
Python
Arrays
Numpy
Shuffle
Testing if a pandas DataFrame exists
Python
Pandas
Dataframe
Make a union of polygons in GeoPandas, or Shapely (into a single geometry)
Python
Pandas
Geopandas
Shapely
Convert python datetime to timestamp in milliseconds
Python
Datetime
Unix Timestamp
Matplotlib cannot find basic fonts
Python
Matplotlib
Truetype
Miniconda
List dependencies in Python
Python
How to write a generator class?
Python
Generator
Fibonacci
Python "TypeError: unhashable type: 'slice'" for encoding categorical data
Python
Pandas
Numpy
Matplotlib
No handlers could be found for logger
Python
Logging
Handler
ValueError: Unknown label type: 'unknown'
Python
Pandas
Numpy
Scikit Learn
Logistic Regression
Downloading with chrome headless and selenium
Python
Google Chrome
Selenium
Google Chrome-Headless
How to calculate 1st and 3rd quartiles?
Python
Python 2.7
Pandas
Numpy
pytest fixtures Redefining name from outer scope [pylint]
Python
Pytest
Pylint
Fixture
opencv.imshow will cause jupyter notebook crash
Python
Opencv
Ubuntu
Jupyter Notebook
Why does the size of this Python String change on a failed int conversion
Python
String
Python 3.x
Unicode
Python Internals
Data Augmentation in PyTorch
Python
Image Processing
Dataset
Pytorch
Data Augmentation
pymongo - "dnspython" module must be installed to use mongodb+srv:// URIs
Python
Mongodb
Pymongo
TypeError: Object of type 'float32' is not JSON serializable
Python
Json
Numpy
Get path of virtual environment in pipenv
Python
Django
Pip
Pipenv
How does the "number of workers" parameter in PyTorch dataloader actually work?
Python
Memory Management
Deep Learning
Pytorch
Ram
What is the difference between armeabi-v7a, arm64-v8a, x86?
Android
Python
Kivy
AWS Lambda : OpenBLAS WARNING - could not determine the L2 cache size on this system, assuming 256k - While using Google Custom Search API
Python
Python 3.x
Amazon Web-Services
Google Api
Aws Lambda
What exactly is meant by "partial function" in functional programming?
Python
Haskell
Functional Programming
Partial Application
Partial Functions
How to bypass python function definition with decorator?
Python
Python 3.x
Function
Python Decorators
ImportError : Attempted relative import with no known parent package
Python
Pylint
FastAPI throws an error (Error loading ASGI app. Could not import module "api")
Python
Fastapi
Uvicorn
In Python, is there a concise way of comparing whether the contents of two text files are the same?
Python
File
Compare
How do I use subprocess.Popen to connect multiple processes by pipes?
Python
Pipe
Subprocess
Django: How to create a model dynamically just for testing
Python
Django
Unit Testing
Django Models
Mocking
Is it possible to create anonymous objects in Python?
Python
Anonymous Types
How to tell if a connection is dead in python
Python
Sockets
Is everything an object in Python like Ruby?
Python
Ruby
Object
Language Comparisons
django - convert a list back to a queryset
Python
Django
List
Sorting
Django Queryset
Convert a string to integer with decimal in Python
Python
String
Integer
Decimal
Parallel Python: What is a callback?
Python
Callback
Parallel Python
SQLAlchemy Inheritance
Python
Inheritance
Sqlalchemy
virtualenv in PowerShell?
Python
Powershell
Virtualenv
How to decorate a method inside a class?
Python
Decorator
virtualenv, mysql-python, pip: anyone know how?
Python
Mysql
Virtualenv
Easy Install
Pip
Lost connection to MySQL server during query
Python
Mysql
Return value from thread
Python
Multithreading
Python Multithreading
Exit Code
update django database to reflect changes in existing models
Python
Django
Django Models
Is it possible to have an actual memory leak in Python because of your code?
Python
Memory Leaks
open file in "w" mode: IOError: [Errno 2] No such file or directory
Python
File Io
How is it that json serialization is so much faster than yaml serialization in Python?
Python
Json
Serialization
Yaml
How to add or increment a dictionary entry?
Python
Syntax
What is a good way to do countif in Python
Python
Python - calendar.timegm() vs. time.mktime()
Python
Timezone
Stripping off the seconds in datetime python
Python
Python: Removing spaces from list objects
Python
List
About the PIL Error -- IOError: decoder zip not available
Python
Python Imaging-Library
How to Format dict string outputs nicely
Python
String
Formatting
Python: Adding element to list while iterating
Python
Iteration
Get available modules
Python
Libraries
Getting Python's unittest results in a tearDown() method
Python
Unit Testing
Nose
Memory errors and list limits?
Python
List
Memory
Limits
Association between naming classes and naming their files in python (convention?)
Python
Naming Conventions
Filenames
Classname
one-to-many inline select with django admin
Python
Django
Django Models
Django Admin
"'generator' object is not subscriptable" error
Python
Generator
TypeError: 'dict' object is not callable
Python
Dictionary
How to remove all duplicate items from a list
Python
List
How can I get a Python generator to return None rather than StopIteration?
Python
Exception
Generator
Stopiteration
Perform a string operation for every element in a Python list
Python
String
List
String Operations
How to convert current date to epoch timestamp?
Python
Unittest's assertEqual and iterables - only check the contents
Python
Unit Testing
Assert
Iterable
SQLAlchemy insert or update example
Python
Sqlalchemy
django.core.exceptions.ImproperlyConfigured: Error loading psycopg module: No module named psycopg
Python
Django
Module
Psycopg2
Django manage.py
Check element exists in array
Python
Class that acts as mapping for **unpacking
Python
Class
Mapping
Argument Unpacking
Variables declared outside function
Python
How to use the __import__ function to import a name from a submodule?
Python
Import
How to convert a time string to seconds?
Python
Time
Python Datetime
How to use tempfile.NamedTemporaryFile()?
Python
Temporary Files
What is the default __hash__ in python?
Python
File as command line argument for argparse - error message if argument is not valid
Python
Argparse
Multivariate normal density in Python?
Python
Numpy
Scipy
Probability
Python pip broken after OS X 10.8 upgrade
Python
Macos
Pip
Django Many-to-Many (m2m) Relation to same model
Python
Django
Django Models
Many to-Many
Pandas: Sampling a DataFrame
Python
Partitioning
Pandas
Why is adding attributes to an already instantiated object allowed?
Python
Attributes
Python 3.x
Declaration
ctypes error: libdc1394 error: Failed to initialize libdc1394
Python
C++
Shared Libraries
Ctypes
Libdc1394
pandas read_csv index_col=None not working with delimiters at the end of each line
Python
Pandas
Adding line breaks in ipython
Python
Ipython
psycopg2 not actually inserting data
Python
Postgresql
Psycopg2
Remove text between () and []
Python
Python 2.7
Delete a subplot
Python
Matplotlib
testing whether a Numpy array contains a given row
Python
Numpy
What do these operators mean (** , ^ , %, //)?
Python
Math
Operators
Native
In Python, is it possible to escape newline characters when printing a string?
Python
Escaping
Newline
Python.h missing from Ubuntu 12.04
Python
Ubuntu 12.04
Plotting different colors in matplotlib
Python
Matplotlib
How to pickle a namedtuple instance correctly
Python
Python 2.7
Pickle
Namedtuple
Check if substring is in a list of strings?
Python
String
List
Calculate time difference between Pandas Dataframe indices
Python
Dataframe
Pandas
Sort list while pushing None values to the end
Python
List
Sorting
Nonetype
Renaming Column Names in Pandas Groupby function
Python
Pandas
Group By
Pandas Groupby
Rename
Use and meaning of "in" in an if statement?
Python
Django orm get latest for each group
Python
Django
Django Queryset
Django Orm
How to use 2to3 properly for python?
Python
Python 2.7
Python 3.3
Python 2to3
Optimal way to compute pairwise mutual information using numpy
Python
Performance
Numpy
Scipy
Information Theory
Cumulative sum and percentage on column?
Python
Pandas
Dataframe
Cumulative Sum
Superscript in Python plots
Python
Matplotlib
Default values on empty user input
Python
User Input
Default Value
How to encode text to base64 in python
Python
Python 3.x
Encoding
Base64
How to draw grid lines behind matplotlib bar graph
Python
Matplotlib
Skip over a value in the range function in python
Python
Loops
For Loop
Range
How to split a Python string on new line characters
Python
String
Split
Run Python script at startup in Ubuntu
Python
Linux
Shell
Ubuntu
Pandas - Compute z-score for all columns
Python
Pandas
Indexing
Statistics
ImportError: No module named 'bottle' - PyCharm
Python
Pycharm
Bottle
Importerror
pandas multiprocessing apply
Python
Pandas
Multiprocessing
How to count items in JSON data
Python
Json
Count
Element
What are Python pandas equivalents for R functions like str(), summary(), and head()?
Python
R
Pandas
How to format elapsed time from seconds to hours, minutes, seconds and milliseconds in Python?
Python
Time
Format
Elapsed
When using asyncio, how do you allow all running tasks to finish before shutting down the event loop
Python
Python Asyncio
Select only one index of multiindex DataFrame
Python
Pandas
Select
Dataframe
Indexing
Set numpy array elements to zero if they are above a specific threshold
Python
Arrays
Numpy
"Series objects are mutable and cannot be hashed" error
Python
Pandas
Typeerror
classifiers in scikit-learn that handle nan/null
Python
Pandas
Machine Learning
Scikit Learn
Nan
groupby weighted average and sum in pandas dataframe
Python
R
Pandas
Django Rest Framework: turn on pagination on a ViewSet (like ModelViewSet pagination)
Python
Django
Django Rest-Framework
No module named serial
Python
No module named 'pymysql'
Python
Python 3.x
Ubuntu
Pymysql
Remove nodes from graph or reset entire default graph
Python
Tensorflow
How to avoid AppConfig.ready() method running twice in Django
Python
Django
Using moviepy, scipy and numpy in amazon lambda
Python
Amazon Web-Services
Numpy
Aws Lambda
sklearn Logistic Regression "ValueError: Found array with dim 3. Estimator expected <= 2."
Python
Scikit Learn
Logistic Regression
How to return custom JSON in Django REST Framework
Python
Json
Django
Django Rest-Framework
Link Conda environment with Jupyter Notebook
Python
Ipython
Jupyter
Jupyter Notebook
Miniconda
What does "rc" in matplotlib's rcParams stand for?
Python
Matplotlib
Configuration
Naming Conventions
Configuration Files
Selenium-Debugging: Element is not clickable at point (X,Y)
Python
Selenium
Selenium Webdriver
Web Scraping
Selenium Firefoxdriver
Why PyPi doesn't show download stats anymore?
Python
Pypi
Python's requests "Missing dependencies for SOCKS support" when using SOCKS5 from Terminal
Python
Python 2.7
Python Requests
Socks
Urllib3
Drop all data in a pandas dataframe
Python
Python 2.7
Pandas
From stat().st_mtime to datetime?
Python
Python 3.x
Datetime
Stat
Pathlib
"py.test" vs "pytest" command
Python
Flask
Python Import
Pytest
Take n rows from a spark dataframe and pass to toPandas()
Python
Apache Spark-Sql
Spark Dataframe
flask does not see change in .js file
Python
Flask
Flask Cache
How to generate a random UUID which is reproducible (with a seed) in Python
Python
Random
Uuid
Nested f-strings
Python
Python 3.x
String Formatting
Python 3.6
F String
Moving all files from one directory to another using Python
Python
Directory
Move
Run Python Console via docker-compose on Pycharm
Python
Docker
Docker Compose
Pycharm
matplotlib: plot multiple columns of pandas data frame on the bar chart
Python
Python 3.x
Pandas
Matplotlib
Bar Chart
Convert opencv image format to PIL image format?
Python
Opencv
Image Processing
Type Conversion
Python Imaging-Library
How can I wrap a synchronous function in an async coroutine?
Python
Python 3.x
Asynchronous
Python Asyncio
Aiohttp
Django Deprecation Warning or ImproperlyConfigured error - Passing a 3-tuple to django.conf.urls.include() is not supported
Python
Django
How to import keras from tf.keras in Tensorflow?
Python
Tensorflow
Deep Learning
Keras
Checking if particular value (in cell) is NaN in pandas DataFrame not working using ix or iloc
Python
Pandas
Dataframe
Nan
What is an intuitive explanation of np.unravel_index?
Python
Numpy
Indexing
Numpy Ndarray
Tensor
Undo last Alembic migration
Python
Sqlalchemy
Alembic
How do you add a path to PYTHONPATH in a Dockerfile
Python
Docker
Path
Hide Code when exporting Jupyter notebook to HTML
Python
Jupyter
Convert Pandas dataframe to PyTorch tensor?
Python
Pandas
Dataframe
Pytorch
Plotly chart not showing in Jupyter notebook
Python
Jupyter Notebook
Plotly
Jupyter
Jupyter Lab
Visual Studio Code - Python debugging - Step into the code of external functions when executing
Python
Debugging
Visual Studio-Code
What causes "indexing past lexsort depth" warning in Pandas?
Python
Pandas
"synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'." problem in TensorFlow
Python
Python 3.x
Numpy
Tensorflow
Artificial Intelligence
Why do I get this many iterations when adding to and removing from a set while iterating over it?
Python
Python Internals
Continuous Integration System for a Python Codebase
Python
Continuous Integration
Extreme Programming
Python Sound ("Bell")
Python
Macos
Audio
Terminal
Binary buffer in Python
Python
Binary
Io
Buffer
Python re.sub with a flag does not replace all occurrences
Python
Regex
Serving dynamically generated ZIP archives in Django
Python
Django
In production, Apache + mod_wsgi or Nginx + mod_wsgi?
Python
Apache
Nginx
Mod Wsgi
How to convert an integer to the shortest url-safe string in Python?
Python
Url
Base64
How to download a file using python in a 'smarter' way?
Python
Http
Download
Using Python's list index() method on a list of tuples or objects?
Python
List
Tuples
Reverse Lookup
How to check the TEMPLATE_DEBUG flag in a django template?
Python
Django
Templates
Can Python be used for client side web development?
Python
Client Side
Rounding decimals with new Python format function
Python
String
Python 3.x
How to implement an efficient infinite generator of prime numbers in Python?
Python
Generator
Primes
SQLite, python, unicode, and non-utf data
Python
Sqlite
Unicode
Utf 8
Python 2.x
Matplotlib subplots_adjust hspace so titles and xlabels don't overlap?
Python
Matplotlib
How to handle the pylint message: Warning: Method could be a function
Python
Oop
Pylint
Python - Locating the position of a regex match in a string?
Python
Regex
How is the 'is' keyword implemented in Python?
Python
Python Datamodel
Built In
jquery-like HTML parsing in Python?
Python
Jquery
Css Selectors
Html Parsing
How to use MinGW's gcc compiler when installing Python package using Pip?
Python
Windows
Mingw
Pip
Distutils
Convert Z-score (Z-value, standard score) to p-value for normal distribution in Python
Python
Statistics
Scipy
Python, why elif keyword?
Python
Keyword
Exception traceback is hidden if not re-raised immediately
Python
Exception
Exception Handling
Try Catch
Traceback
Why does Python assignment not return a value?
Python
Python 3.x
Language Design
JavaScript equivalent of Python's format() function?
Javascript
Python
Format
Why do we need to use rabbitmq
Python
Django
Twisted
Rabbitmq
Reading from a frequently updated file
Python
File Io
Generator
Fopen
Detect File Change Without Polling
Python
.doc to pdf using python
Python
Pdf
Automation
Ms Word
Win32com
Are Mixin class __init__ functions not automatically called?
Python
Inheritance
Multiple Inheritance
Mixins
How to write Python code that is able to properly require a minimal python version?
Python
Get all the diagonals in a matrix/list of lists in Python
Python
Matrix
Diagonal
yield break in Python
Python
Generator
Yield
Clear all items from the queue
Python
Queue
How to read numbers from file in Python?
Python
File
Python 3.x
Proxying to another web service with Flask
Python
Proxy
Nginx
Flask
Httplib
which one should I use: os.sep or os.path.sep?
Python
Operating System
JSON serialize a dictionary with tuples as key
Python
Json
Tuples
Python: Assign Value if None Exists
Python
Python 2.7
Variable Assignment
Language Comparisons
ImportError: No module named - Python
Python
Import
How to extract an arbitrary line of values from a numpy array?
Python
Numpy
Indexing
Slice
How to change data points color based on some variable
Python
Matplotlib
Correct style for line breaks when chaining methods in Python
Python
Coding Style
Line Breaks
Pep8
cProfile saving data to file causes jumbles of characters
Python
File
Command Line
Profiling
Cprofile
How to ssh connect through python Paramiko with ppk public key
Python
Ssh
Putty
Paramiko
Public Key
Why are Python strings immutable? Best practices for using them
Python
String
Immutability
Multiple assignment and evaluation order in Python
Python
Variable Assignment
Assignment Operator
Multiple Assignment
KeyError in module 'threading' after a successful py.test run
Python
Gevent
Pytest
Using BeautifulSoup to search HTML for string
Python
Beautifulsoup
How to set default value to all keys of a dict object in python?
Python
Dictionary
Tracking *maximum* memory usage by a Python function
Python
Memory
Profiling
How to generate audio from a numpy array?
Python
Audio
Numpy
Matplotlib
Do CSRF attacks apply to API's?
Python
Django
Api
Security
how to issue a "show dbs" from pymongo
Python
Mongodb
Pymongo
request.user returns a SimpleLazyObject, how do I "wake" it?
Python
Django
Django Users
Django Contrib
How to get integer values from a string in Python?
Python
String
Integer
Passing variables, creating instances, self, The mechanics and usage of classes: need explanation
Python
Class
Call
Parameter Passing
Instance Variables
How to overwrite a folder if it already exists when creating it with makedirs?
Python
Directory
Text Files
Overwrite
memoization library for python 2.7
Python
Python 2.7
Memoization
How is Lisp's read-eval-print loop different than Python's?
Python
Functional Programming
Lisp
Read Eval-Print-Loop
BeautifulSoup getText from between <p>, not picking up subsequent paragraphs
Python
Python 2.7
Beautifulsoup
Printing a list of objects of user defined class
Python
What is the pythonic way to count the leading spaces in a string?
Python
Split string into strings by length?
Python
Command line execution in different folder
Python
Shell
Command Line
How to specify date format when using pandas.to_csv?
Python
Pandas
Export to-Csv
Datetime Format
Date Formatting
Too many different Python versions on my system and causing problems
Python
Macos
Path
Installation
Uninstallation
Python exception handling - line number
Python
Exception
Indexing
Converting html to text with Python
Python
Html
Web Scraping
Text
Beautifulsoup
How to continue in nested loops in Python
Python
Altering an Enum field using Alembic
Python
Postgresql
Sqlalchemy
Alembic
Distributing Cython based extensions using LAPACK
Python
Numpy
Cython
Lapack
Blas
Why am I getting the error "connection refused" in Python? (Sockets)
Python
Sockets
In pandas, how can I reset index without adding a new column?
Python
Pandas
I screwed up the system version of Python Pip on Ubuntu 12.10
Python
Pip
Ubuntu 12.10
How to display progress of scipy.optimize function?
Python
Numpy
Scipy
Output
Mathematical Optimization
Tkinter: How to use threads to preventing main event loop from "freezing"
Python
Multithreading
Tkinter
Progress Bar
Event Loop
Format string unused named arguments
Python
String
String Formatting
Missing Data
Defaultdict
Assigning a value to single underscore _ in Python/IPython interpreter
Python
Function
Ipython
Interpreter
Read Eval-Print-Loop
Error when creating a new text file with python?
Python
File
Python 3.x
File Io
Get HTTP Error code from requests.exceptions.HTTPError
Python
Http
Exception
Python Requests
What is the difference between the widgets of tkinter and tkinter.ttk in Python?
Python
Tkinter
Ttk
Colorize Voronoi Diagram
Python
Matplotlib
Scipy
Visualization
Voronoi
Getting the date of 7 days ago from current date in python
Python
Datetime
'list' object has no attribute 'shape'
Python
List
Numpy
Python Pandas Histogram Log Scale
Python
Pandas
Converting Float to Dollars and Cents
Python
Python 3.x
Floating Point
String Formatting
Currency
Use `__dict__` or `vars()`?
Python
Pandas left outer join multiple dataframes on multiple columns
Python
Sql
Merge
Pandas
What is the equivalent of SQL "GROUP BY HAVING" on Pandas?
Python
Pandas
Pandas Groupby
Django Rest Framework and JSONField
Python
Django
Django Models
Django Rest-Framework
How to implement a Boolean search with multiple columns in pandas
Python
Pandas
Check if requirements are up to date
Python
Package
Pip
Pypi
requirements.txt
Python name 'os' is not defined
Python
Import
subprocess.check_output return code
Python
Subprocess
How to truncate a string using str.format in Python?
Python
String
String Formatting
Strange error with matplotlib axes labels
Python
Matplotlib
Axes
How to downgrade the installed version of 'pip' on windows?
Python
Windows
Ansible creating a virtualenv
Python
Ansible
PIP Install Numpy throws an error "ascii codec can't decode byte 0xe2"
Python
Numpy
Pandas
Pip
How to make PyPi description Markdown work?
Python
Restructuredtext
Pypi
Check if dataframe column is Categorical
Python
Pandas
Matplotlib xticks not lining up with histogram
Python
Matplotlib
Selenium webdriver: How do I find ALL of an element's attributes?
Python
Selenium
Selenium Webdriver
Convert word2vec bin file to text
Python
C
Gensim
Word2vec
Is .ix() always better than .loc() and .iloc() since it is faster and supports integer and label access?
Python
Pandas
Proper way to consume data from RESTFUL API in django
Python
Django
Rest
Restful Architecture
Asynchronous exception handling in Python
Python
Python 3.x
Python Asyncio
Writing an mp4 video using python opencv
Python
Opencv
Video
A Python script that activates the virtualenv and then runs another Python script?
Python
Windows
Shell
Command
Virtualenv
BeautifulSoup - search by text inside a tag
Python
Regex
Beautifulsoup
How to do Decimal to float conversion in Python?
Python
Type Conversion
print(__doc__) in Python 3 script
Python
Docstring
Unable to install boto3
Python
Virtualenv
Boto3
How to install R packages that are not available in "R-essentials"?
Python
R
Anaconda
Conda
Module imports and __init__.py
Python
Python 2.7
Import
How to test a function with input call?
Python
Unit Testing
Testing
Input
Pytest
Why is a double semicolon a SyntaxError in Python?
Python
Syntax Error
Language Lawyer
Identify the changed fields in django post_save signal
Python
Django
Django Models
Django Signals
Converting Pandas dataframe into Spark dataframe error
Python
Pandas
Apache Spark
Spark Dataframe
Mocking a global variable
Python
Unit Testing
Mocking
Patch
Numpy: Checking if a value is NaT
Python
Numpy
Pandas replace a character in all column names
Python
Pandas
typing.Any vs object?
Python
Python 3.5
Type Hinting
Python Typing
Reading named command arguments
Python
Python 3.x
Arguments
What is the difference between pipeline and make_pipeline in scikit?
Python
Scikit Learn
Get error when try to install PIL
Python
Installation
Python Imaging-Library
Keras model.summary() object to string
Python
Tensorflow
Machine Learning
Keras
Deep Learning
Filter df when values matches part of a string in pyspark
Python
Apache Spark
Pyspark
Apache Spark-Sql
How to fix "could not find or load the Qt platform plugin windows" while using Matplotlib in PyCharm
Python
Python 3.x
Pycharm
How to iterate `dict` with `enumerate` and unpack the index, key, and value along with iteration
Python
Dictionary
How to check if DynamoDB table exists?
Python
Amazon Dynamodb
Boto3
How to create a conditional task in Airflow
Python
Conditional Statements
Airflow
TypeError: Object of type 'bytes' is not JSON serializable
Python
Json
Serialization
Scrapy
Is a list (potentially) divisible by another?
Python
Algorithm
Numbers
Primes
Division
Subtract hours and minutes from time
Python
String
Datetime
Time
Fill a new pandas column with row numbers
Python
Pandas
Warning message while running Flask
Python
Flask
"E: Unable to locate package python-pip" on Ubuntu 18.04
Python
Linux
Ubuntu
Pip
Ubuntu 18.04
pip freeze creates some weird path instead of the package version
Python
Path
Pip
requirements.txt
Why doesn't Python give any error when quotes around a string do not match?
Python
Python 3.x
String
Quotes
Tensorflow: None of the MLIR optimization passes are enabled (registered 1)
Python
Tensorflow
Keras
Deep Learning
Why does Python return [15] for [0xfor x in (1, 2, 3)]?
Python
Python 3.x
Operator Precedence
Short Circuiting
How do I send a custom header with urllib2 in a HTTP Request?
Python
Header
Urllib2
Anyone know of a good Python based web crawler that I could use?
Python
Web Crawler
Rendering JSON objects using a Django template after an Ajax call
Python
Ajax
Django
Json
Templates
Item frequency count in Python
Python
Count
Frequency
Counting
Strip all non-numeric characters (except for ".") from a string in Python
Python
How to get files in a directory, including all subdirectories
Python
Setting timezone in Python
Python
Timezone
What numbers can you pass as verbosity in running Python Unit Test Suites?
Python
Unit Testing
Verbosity
Writing a connection string when password contains special characters
Python
Character Encoding
Sqlalchemy
Connection String
How to use export with Python on Linux
Python
Linux
Export
Modifying list while iterating
Python
List
Iterator
Loops
Combine Pool.map with shared memory Array in Python multiprocessing
Python
Multiprocessing
Shared Memory
Pool
How to set attributes using property decorators?
Python
Is there an analogue to Java IllegalStateException in Python?
Java
Python
Exception
When should I use a Map instead of a For Loop?
Python
For Loop
How to make file creation an atomic operation?
Python
File Io
Atomic
Python: Number of rows affected by cursor.execute("SELECT ...)
Python
Sql
Rows
Database
How can I sandbox Python in pure Python?
Python
Scripting
How to plot empirical cdf (ecdf)
Python
Numpy
Statistics
Matplotlib
Scipy
Using Python class as a data container
Python
Class
Dictionary
Struct
Private Variables and Methods in Python
Python
Private
Private Members
Private Methods
Double Underscore
"x not in" vs. "not x in"
Python
Operators
Add another tuple to a tuple of tuples
Python
Tuples
Create file path from variables
Python
Path
The Zen of Python distils the guiding principles for Python into 20 aphorisms but lists only 19. What's the twentieth?
Python
Import a Python module into a Jinja template?
Python
Jinja2
Python Import
How to launch python Idle from a virtual environment (virtualenv)
Python
Virtualenv
Python Idle
How to remove trailing whitespace in code, using another script?
Python
Browse files and subfolders in Python
Python
Subdirectory
Send log messages from all celery tasks to a single file
Python
Logging
Celery
stopping setup.py from installing as egg
Python
Pydev
Setuptools
Easy Install
Is `id` a keyword in python?
Python
Keyword
How python deals with module and package having the same name?
Python
Import
Module
Package
Python equivalence to inline functions or macros
Python
Optimization
Inline Functions
System-wide mutex in Python on Linux
Python
Linux
Mutex
What is the default order of a list returned from a Django filter call?
Python
Django
Postgresql
Sql Order-By
Django Orm
Understanding Pickling in Python
Python
Pickle
Python 2.7
How to send image generated by PIL to browser?
Python
Streaming
Python Imaging-Library
Flask
Temporary Files
Equivalent function for xticks for an AxesSubplot object
Python
Matplotlib
Tkinter
How do I tell Python to convert integers into words
Python
Sort array's rows by another array in Python
Python
Numpy
Sorting
How to warn about class (name) deprecation
Python
Class
Backwards Compatibility
Deprecation Warning
Function acting as both decorator and context manager in Python?
Python
Decorator
Contextmanager
Access dict key and return None if doesn't exist
Python
Dictionary
ValueError: zero length field name in format python
Python
Format
Get parent class name?
Python
Oop
Python-Requests close http connection
Python
Http
Urllib2
Httplib
Python Requests
Matplotlib: Annotating a 3D scatter plot
Python
Matplotlib
Plot
Easy way to test if each element in an numpy array lies between two values?
Python
Numpy
how to do a conditional decorator in python
Python
Conditional
Decorator
Python Decorators
Remove NaN/NULL columns in a Pandas dataframe?
Python
Pandas
Dataframe
Nan
How to find char in string and get all the indexes?
Python
String
How to yield results from a nested generator function?
Python
Function
Nested
Generator
Yield
Python: dynamically create function at runtime
Python
Function
Runtime
Handle an exception thrown in a generator
Python
Exception
Generator
How to get top-level protobuf enum value name by number in python?
Python
Protocol Buffers
Installing PyCrypto on Ubuntu - fatal error on build
Python
Pycrypto
Site matching query does not exist
Python
Django
How to unnest a nested list
Python
Pragmas in python
Python
Pragma
Python SimpleHTTPServer with PHP
Php
Python
Python, Deleting all files in a folder older than X days
Python
Python 2.7
design of python: why is assert a statement and not a function?
Python
Language Design
Assert
How do I find the difference between two values without knowing which is larger?
Python
Function
Numbers
Distance
Checking odd/even numbers and changing outputs on number size
Python
Numbers
reading and parsing a TSV file, then manipulating it for saving as CSV (*efficiently*)
Python
File
Csv
How do I write a Latex formula in the legend of a plot using Matplotlib inside a .py file?
Python
Matplotlib
Latex
print variable and a string in python
Python
Printing
Flask url_for generating http URL instead of https
Python
Url Routing
Flask
Werkzeug
How to specify where a Tkinter window opens?
Python
Python 2.7
Tkinter
Multiple parameters in Flask approute
Python
Flask
Flash Message
General decorator to wrap try except in python?
Python
Try Catch
Wrapper
Decorator
How can I prevent the TypeError: list indices must be integers, not tuple when copying a python list to a numpy array?
Python
Numpy
How to get the PYTHONPATH in shell?
Python
Linux
Pythonpath
Python Subprocess: Too Many Open Files
Python
Subprocess
iterating over two values of a list at a time in python
Python
List
Detect if a variable is a datetime object
Python
Datetime
How to use __setattr__ correctly, avoiding infinite recursion
Python
Python 2.7
Getattr
Setattr
python argparse: unrecognized arguments
Python
Argparse
Use xml.etree.ElementTree to print nicely formatted xml files
Python
Xml
Elementtree
running multiple bash commands with subprocess
Python
Bash
Subprocess
Flask logging - Cannot get it to write to a file
Python
Logging
Python 2.7
Flask
Python: read all text file lines in loop
Python
File
Check if a string in a Pandas DataFrame column is in a list of strings
Python
Python 2.7
Pandas
Check if any alert exists using selenium with python
Python
Selenium
Testing
Alert
Window Handles
python selenium webscraping "NoSuchElementException" not recognized
Python
Exception
Selenium
Selenium Webdriver
Getting Google Spreadsheet CSV into A Pandas Dataframe
Python
Pandas
Google Sheets
Google Drive-Api
Google Apps
How to check if a string is a valid regex in Python?
Python
Regex
String
Validation
list comprehension filtering - "the set() trap"
Python
Python 3.x
Python Internals
Pymysql Insert Into not working
Python
Mysql
Eclipse
Python 2.7
Pymysql
What benefit is added by using Gunicorn + Nginx + Flask?
Python
Nginx
Flask
Gunicorn
Find all columns of dataframe in Pandas whose type is float, or a particular type?
Python
Pandas
Dataframe
Data Cleaning
Access-Control-Allow-Origin in Django app
Python
Ajax
Django
Cordova
Cors
File not found error when launching a subprocess containing piped commands
Python
Shell
Subprocess
Pipe
Calculate area of polygon given (x,y) coordinates
Python
Coordinates
Polygon
Area
What does numpy.gradient do?
Python
Math
Numpy
Could not assemble any primary key columns for mapped table
Python
Sqlalchemy
Flask Sqlalchemy
Flask Migrate
Pandas: Return Hour from Datetime Column Directly
Python
Datetime
Pandas
How can I use seaborn without changing the matplotlib defaults?
Python
Matplotlib
Seaborn
check how many elements are equal in two numpy arrays python
Python
Arrays
Numpy
How to hide <matplotlib.lines.Line2D> in IPython notebook
Python
Matplotlib
Plot
Ipython
Ipython Notebook
Is it possible to step backwards in pdb?
Python
Pdb
How do I get the name of the rows from the index of a data frame?
Python
Pandas
Dataframe
Pycharm error Django is not importable in this environment
Python
Django
Pycharm
Open web in new tab Selenium + Python
Python
Selenium
Webdriver
Phantomjs
Plotting networkx graph with node labels defaulting to node name
Python
Networkx
Plot inline or a separate window using Matplotlib in Spyder IDE
Python
Matplotlib
Spyder
no module named urllib.parse (How should I install it?)
Python
Django
Urllib
Unable to "import matplotlib.pyplot as plt" in virtualenv
Python
Macos
Matplotlib
Flask
Virtualenv
Ignore divide by 0 warning in NumPy
Python
Numpy
Suppress Warnings
Divide by-Zero
How to calculate mean values grouped on another column in Pandas
Python
Pandas
Dataframe
How to fix Python ValueError:bad marshal data?
Python
Start a flask application in separate thread
Python
Multithreading
Flask
When to use which fuzz function to compare 2 strings
Python
String Comparison
Fuzzywuzzy
Pandas - convert strings to time without date
Python
Pandas
seaborn heatmap y-axis reverse order
Python
Matplotlib
Heatmap
Seaborn
export notebook to pdf without code
Python
Ipython Notebook
Jupyter Notebook
Nbconvert
What does "list comprehension" and similar mean? How does it work and how can I use it?
Python
List
List Comprehension
How to check if all values of a dictionary are 0
Python
Dictionary
Use python requests to download CSV
Python
Csv
Python Requests
How to add if condition in a TensorFlow graph?
Python
If Statement
Tensorflow
How to use OpenCV's connectedComponentsWithStats in Python?
Python
Opencv
Connected Components
Error running basic tensorflow example
Python
Ubuntu
Tensorflow
Count frequency of values in pandas DataFrame column
Python
Django
Pandas
Dataframe
jinja2 how to remove trailing newline
Python
Yaml
Jinja2
Newline
How to return history of validation loss in Keras
Python
Neural Network
Nlp
Deep Learning
Keras
Is there a consensus what should be documented in the classes and __init__ docstrings?
Python
Docstring
Code Documentation
getting Forbidden by robots.txt: scrapy
Python
Scrapy
Web Crawler
Pycharm import RuntimeWarning after updating to 2016.2
Python
Import
Pycharm
pandas concat generates nan values
Python
Pandas
Dataframe
Concatenation
Nan
How to assume an AWS role from another AWS role?
Python
Amazon Web-Services
Boto3
Amazon Iam
Randint doesn't always follow uniform distribution
Python
Random
How do I read and write CSV files with Python?
Python
Csv
tqdm show progress for a generator I know the length of
Python
Generator
Tqdm
pytest using fixtures as arguments in parametrize
Python
Pytest
How to set Python language specific tab spacing in Visual Studio Code?
Python
Configuration
Visual Studio-Code
Code Formatting
Vscode Settings
How to extract all the emojis from text?
Python
Python 3.x
Emoji
Dimension of shape in conv1D
Python
Tensorflow
Keras
Deep Learning
Conv Neural-Network
Keras - Difference between categorical_accuracy and sparse_categorical_accuracy
Python
Tensorflow
Machine Learning
Keras
Deep Learning
Scope of variable within "with" statement?
Python
Scope
With Statement
Running a Dash app within a Flask app
Python
Flask
Plotly Dash
PyTorch: How to get the shape of a Tensor as a list of int
Python
Pytorch
Tensor
How can I assert lists equality with pytest
Python
Unit Testing
Pytest
A better way for a Python 'for' loop
Python
Python 3.x
Performance
Time Complexity
How can I split up a long f-string in Python?
Python
Python 3.x
String
F String
jupyterlab interactive plot
Python
Matplotlib
Jupyter Lab
Python (pip) - RequestsDependencyWarning: urllib3 (1.9.1) or chardet (2.3.0) doesn't match a supported version
Python
Pip
Python Requests
Urllib3
Chardet
Slicing a vector in C++
Python
C++
Vector
Slice
How to use logging.getLogger(__name__) in multiple modules
Python
Logging
docker-compose not printing stdout in Python app
Python
Docker
Docker Compose
Use tqdm with concurrent.futures?
Python
concurrent.futures
Tqdm
How can I use a pre-trained neural network with grayscale images?
Python
Tensorflow
Machine Learning
Keras
Deep Learning
How do I visualize a net in Pytorch?
Python
Pytorch
Call function without optional arguments if they are None
Python
Python 3.x
Could not install packages due to an EnvironmentError: [Errno 2] No such file or directory \\METADATA
Python
Pip
Conda
Why learn Perl, Python, Ruby if the company is using C++, C# or Java as the application language?
C#
Java
Python
Ruby
Perl
python.array versus numpy.array
Python
Numpy
Django - How to do tuple unpacking in a template 'for' loop
Python
Django
Templates
Tuples
Iterable Unpacking
How do I get the UTC time of "midnight" for a given timezone?
Python
Datetime
Timezone
Utc
Pytz
How to store a dictionary on a Django Model?
Python
Django
Django Models
Orm
Persistence
formatting long numbers as strings in python
Python
Formatting
String
Integer
Python: How to run unittest.main() for all source files in a subdirectory?
Python
Unit Testing
Check if input is a list/tuple of strings or a single string
Python
Typechecking
Python 2.5
Why can't you add attributes to object in python?
Python
Attributes
Instances
@staticmethod with @property
Python
Singleton
Properties
Django: How should I store a money value?
Python
Django
Django Models
Decimal
Currency
How to execute a function asynchronously every 60 seconds in Python?
Python
Function
Asynchronous
Call
how to get the same day of next month of a given day in python using datetime
Python
Datetime
Date
using __init__.py
Python
Module
Initialization
Packages
Single line for loop over iterator with an "if" filter?
Python
How do you use pip, virtualenv and Fabric to handle deployment?
Python
Deployment
Virtualenv
Fabric
Pip
Enforce unique upload file names using django?
Python
Django
Pinax
File Rename
inheritance from str or int
Python
String
Inheritance
Integer
New Operator
Handling urllib2's timeout? - Python
Python
Timeout
Urllib2
Urllib
Why can't easy_install find MySQLdb?
Python
Mysql
Easy Install
zlib.error: Error -3 while decompressing: incorrect header check
Python
Gzip
Zlib
Read from a log file as it's being written using python
Python
File
Logging
File Io
Monitoring
Add to python path mac os x
Python
Macos
Add
Pythonpath
Best output type and encoding practices for __repr__() functions?
Python
Encoding
Ascii
Repr
Are NumPy's math functions faster than Python's?
Python
Performance
Numpy
How to use Django to get the name for the host server?
Python
Django
Url
Host
Checking if a number is prime in Python
Python
Primes
Format string dynamically
Python
String
Python interpreter error, x takes no arguments (1 given)
Python
Object
Methods
Arguments
Python: Converting string into decimal number
Python
String
Floating Point
Decimal
how to pass parameters of a function when using timeit.Timer()
Python
Timer
Under what circumstances are __rmul__ called?
Python
Operators
Python Multiprocessing.Pool lazy iteration
Python
Multiprocessing
Run a .bat file using python code
Python
Batch File
Is shared readonly data copied to different processes for multiprocessing?
Python
Numpy
Multiprocessing
Is there an operator to calculate percentage in Python?
Python
Python 3.x
Populating django field with pre_save()?
Python
Database
Django
Model
Triggers
Python global exception handling
Python
Exception
Python imports for tests using nose - what is best practice for imports of modules above current package
Python
Testing
Nose
Python Import
How to force deletion of a python object?
Python
Constructor
Garbage Collection
Destructor
Reference Counting
Python on IIS: how?
Python
Iis
How may I override the compiler (GCC) flags that setup.py uses by default?
Python
Gcc
Setuptools
setup.py
Distutils
Any reason NOT to always use keyword arguments?
Coding Style
Python
Accessing module level variables, from within a function in the module
Python
__new__ and __init__ in Python
Python
Class
set matplotlib 3d plot aspect ratio
Python
Matplotlib
Python configuration file: Any file format recommendation? INI format still appropriate? Seems quite old school
Python
switching keys and values in a dictionary in python
Python
Dictionary
Key
How to remove item from a python list in a loop?
Python
List
Difference between parsing a text file in r and rb mode
Python
File Io
Text Parsing
How do I determine if current time is within a specified range using Python's datetime module?
Python
Python Datetime
What is the best way to iterate over multiple lists at once?
Python
how to get request object in django unit testing?
Python
Django
Django Testing
how to add lines to existing file using python
Python
File
How to remove any URL within a string in Python
Python
Regex
Url
Replace
Python 2.7
R function rep() in Python (replicates elements of a list/vector)
Python
How can tox install the modules via the requirements file?
Python
Tox
What's the difference between Model.query and session.query(Model) in SQLAlchemy?
Python
Sqlalchemy
How to check deque length in Python
Python
Python 3.x
Python 2.7
Data Structures
Create a new RGB OpenCV image using Python?
Python
Opencv
Is it possible to get an Excel document's row count without loading the entire document into memory?
Python
Openpyxl
laying out a large graph with graphviz
Python
Graphviz
TypeError: unhashable type: 'list' when using built-in set function
Python
List
Duplicates
Pandas column access w/column names containing spaces
Python
Pandas
String
Dataframe
How to change filehandle with Python logging on the fly with different classes and imports
Python
Logging
Configuration
How can I tell which python implementation I'm using?
Python
Cpython
Fastest way to compute entropy in Python
Python
Numpy
Entropy
What is the advantage of setting zip_safe to True when packaging a Python project?
Python
Packaging
Setuptools
Flask SQLAlchemy querying a column with "not equals"
Python
Sqlalchemy
Flask
Flask Sqlalchemy
numpy divide row by row sum
Python
Multidimensional Array
Numpy
How to check if a result set is empty?
Python
Resultset
Python Db-Api
How to handle incoming real time data with python pandas
Python
Pandas
What does `<>` mean in Python?
Python
Syntax
Operators
Python 2.x
Slice 2d array into smaller 2d arrays
Python
Numpy
SQL-like window functions in PANDAS: Row Numbering in Python Pandas Dataframe
Python
Pandas
Numpy
Dataframe
How to specify that a parameter is a list of specific objects in Python docstrings
Python
Pycharm
Docstring
Proper shebang for Python script
Python
Portability
Shebang
How to get class object from class name string in the same module?
Python
How to create a large pandas dataframe from an sql query without running out of memory?
Python
Sql
Pandas
Bigdata
PYTHONPATH on Linux
Python
Pythonpath
python numpy/scipy curve fitting
Python
Numpy
Scipy
Curve Fitting
Using Counter() in Python to build histogram?
Python
Histogram
subsetting a Python DataFrame
Python
Pandas
Subset
The right way to limit maximum number of threads running at once?
Python
Multithreading
Python Multithreading
Use index in pandas to plot data
Python
Pandas
Python BeautifulSoup give multiple tags to findAll
Python
Beautifulsoup
Parsing a JSON string which was loaded from a CSV using Pandas
Python
Pandas
OrderedDict comprehensions
Python
Dictionary
Cpython
Ordereddictionary
Dictionary Comprehension
check if numpy array is multidimensional or not
Python
Numpy
Matplotlib: Plotting numerous disconnected line segments with different colors
Python
Matplotlib
Plot
Line
Using Python and BeautifulSoup (saved webpage source codes into a local file)
Python
Beautifulsoup
Run subprocess and print output to logging
Python
Logging
Subprocess
How is HDF5 different from a folder with files?
Python
Persistence
Metadata
Hdf5
SQLAlchemy multiple foreign keys in one mapped class to the same primary key
Python
Postgresql
Sqlalchemy
How to repeat a Pandas DataFrame?
Python
Pandas
Duplicates
Dataframe
Repeat
python pandas flatten a dataframe to a list
Python
List
Numpy
Pandas
Dataframe
Django package to generate random alphanumeric string
Python
Django
Python - round up to the nearest ten
Python
Rounding
How to convert a python numpy array to an RGB image with Opencv 2.4?
Python
Opencv
Numpy
NLTK and Stopwords Fail #lookuperror
Python
Nltk
Sentiment Analysis
Stop Words
Python: find position of element in array
Python
Arrays
Numpy
Indexing
Download only audio from youtube video using youtube-dl in python script
Python
Audio
Youtube
Youtube Dl
requests: how to disable / bypass proxy
Python
Python Requests
How can I register a single view (not a viewset) on my router?
Python
Django
Django Rest-Framework
Pass keyword arguments to target function in Python threading.Thread
Python
Multithreading
Python 2.7
Python Multithreading
Keyword Argument
Why is PyMongo 3 giving ServerSelectionTimeoutError?
Python
Mongodb
Uwsgi
Mlab
Pymongo 3.x
Simple line plots using seaborn
Python
Matplotlib
Plot
Seaborn
Roc
Mocking async call in python 3.5
Python
Python Asyncio
Python Mock
How to use UUID
Python
Django
Django Models
Uuid
How to find the importance of the features for a logistic regression model?
Python
Machine Learning
Scikit Learn
Logistic Regression
Django serializer Imagefield to get full URL
Python
Django
Django Rest-Framework
How to change working directory in Jupyter Notebook?
Python
Jupyter Notebook
String with 'f' prefix in python-3.6
Python
Scope
String Formatting
Python 3.6
F String
'virtualenv' is not recognized as an internal or external command, operable program or batch file
Python
Python 2.7
Virtualenv
Stop seaborn plotting multiple figures on top of one another
Python
Plot
Seaborn
PermissionError: [Errno 13] Permission denied
Python
Python 3.x
Windows
Tkinter
How to properly use coverage.py in Python?
Python
Unit Testing
Python 3.x
coverage.py
Jupyter Notebook 500 : Internal Server Error
Python
Pip
Jupyter Notebook
Diff of two Dataframes
Python
Pandas
Dataframe
Diff
TensorFlow - Importing data from a TensorBoard TFEvent file?
Python
Tensorflow
Tensorboard
Passing command line arguments to argv in jupyter/ipython notebook
Python
Jupyter Notebook
Command Line-Arguments
Papermill
How to use 'yield' inside async function?
Python
Yield
Python 3.5
Python Asyncio
How to iterate over Pandas Series generated from groupby().size()
Python
Pandas
Are a WSGI server and HTTP server required to serve a Flask app?
Python
Nginx
Flask
Uwsgi
R and Python in one Jupyter notebook
Python
R
Python 2.7
Ipython
Jupyter Notebook
Why is ''.join() faster than += in Python?
Python
Optimization
Negative dimension size caused by subtracting 3 from 1 for 'Conv2D'
Python
Tensorflow
Keras
tf.nn.conv2d vs tf.layers.conv2d
Python
Tensorflow
How do I check if keras is using gpu version of tensorflow?
Python
Tensorflow
Neural Network
Keras
How to join two dataframes for which column values are within a certain range?
Python
Pandas
Datetime
Dataframe
Intervals
How to convert column with string type to int form in pyspark data frame?
Python
Dataframe
Apache Spark
Pyspark
Apache Spark-Sql
Installing specific BUILD of an anaconda package
Python
Anaconda
Pandas: Knowing when an operation affects the original dataframe
Python
Pandas
Views
Chained Assignment
Activate python virtualenv in Dockerfile
Python
Docker
Virtualenv
Dockerfile
How to get ipywidgets working in Jupyter Lab?
Python
Ipython
Jupyter
Ipywidgets
Jupyter Lab
Pandas isna() and isnull(), what is the difference?
Python
Pandas
ImportError: No module named 'pandas.core.internals.managers'; 'pandas.core.internals' is not a package
Python
Pandas
Pickle
VSCode pytest test discovery fails
Python
Visual Studio-Code
Pytest
Vscode Settings
RequestsDependencyWarning: urllib3 (1.25.2) or chardet (3.0.4) doesn't match a supported version! Fix
Python
Pip
Importerror
Archlinux
Python crashing on MacOS 10.15 Beta (19A582a) with "/usr/lib/libcrypto.dylib"
Python
Oh My-Zsh
Libcrypto
Macos Catalina
NotImplementedError: Cannot convert a symbolic Tensor (2nd_target:0) to a numpy array
Python
Tensorflow
Keras
Loss Function
How to fix "ImportError: DLL load failed" while importing win32api
Python
Python 3.x
Winapi
Pip
Pywin32
Zipped Python generators with 2nd one being shorter: how to retrieve element that is silently consumed
Python
Python 3.x
Zip
Generator
Itertools
How to install python3.9 with conda?
Python
Conda
Python 3.9
Resources for lexing, tokenising and parsing in python
Python
Parsing
Resources
Lex
Calling python from a c++ program for distribution
C++
Python
Embedded Language
How do you retrieve items from a dictionary in the order that they're inserted?
Python
Dictionary
What is the best way to copy a list?
Python
How do I get the time a file was last modified in Python?
Python
File
Time
How to convert XML to JSON in Python?
Python
Xml
Json
Python-like list comprehension in Java
Java
Python
Parameters
Methods
List Comprehension
What's the official way of storing settings for Python programs?
Python
Settings
Serialize Python dictionary to XML
Python
Xml
Serialization
Xml Serialization
Difference between type(obj) and obj.__class__
Python
New Style-Class
Using the AND and NOT Operator in Python
Python
Operators
Python: Inflate and Deflate implementations
C#
Python
Compression
Zlib
How do I stop getting ImportError: Could not import settings 'mofin.settings' when using django with wsgi?
Python
Django
Apache
Wsgi
How do I install SciPy on 64 bit Windows?
Python
Windows
64 Bit
Numpy
Scipy
Atomic increment of a counter in django
Python
Django
Transactions
Race Condition
Disable boto logging without modifying the boto files
Python
Logging
Amazon Web-Services
Boto
Parsing XML in Python using ElementTree example
Python
Xml
Elementtree
Which programming languages can I use on Android Dalvik?
Java
Python
Android
Scala
Dalvik
check what files are open in Python
Python
Debugging
Exception
File
Determine if directory is under git control
Python
Git
Hitting Maximum Recursion Depth Using Pickle / cPickle
Python
Recursion
Tree
Pickle
Depth
catching SQLAlchemy exceptions
Python
Sqlalchemy
Exception
Django ModelForm with extra fields that are not in the model
Python
Django
Forms
How to convert Year and Day of Year to Date?
Python
Date
Julian Date
Python subprocess: callback when cmd exits
Python
Callback
Subprocess
Exit
Minimum bit length needed for a positive integer in Python
Python
Bit
Bitcount
writing to existing workbook using xlwt
Python
Xlwt
Xlrd
Longest common substring from more than two strings
Python
String
Longest Substring
How can I start ipython running a script?
Python
Ipython
What are the use cases of Node.js vs Twisted?
Javascript
Python
Twisted
node.js
Flask error: werkzeug.routing.BuildError
Python
Flask
Django. You don't have permission to edit anything
Python
Django
Django Admin
How to add random delays between the queries sent to Google to avoid getting blocked in python
Python
Delay
How to redirect the output of print to a TXT file
Python
Printing
Redirect
TypeError: unhashable type: 'dict', when dict used as a key for another dict
Python
Json
Hash
Python: MySQLdb and "Library not loaded: libmysqlclient.16.dylib"
Python
Mysql
Macos
Osx Snow-Leopard
Is there a possibility to execute a Python script while being in interactive mode
Python
Interactive
Mode
PIL rotate image colors (BGR -> RGB)
Python
Colors
Python Imaging-Library
Swapping columns in a numpy array?
Python
Numpy
Make Javascript do List Comprehension
Javascript
Python
Jquery
List Comprehension
Language Comparisons
python: how to get information about a function?
Python
Function
Methods
How to write a custom decorator in django?
Python
Django
Permissions
Decorator
Best method to delete an item from a dict
Python
How to get current import paths in Python?
Python
Import
Importerror
True or false output based on a probability
Python
Scientific Computing
Alternative to execfile in Python 3?
Python
Python 3.x
Import
Execfile
What is the difference between numpy.fft and scipy.fftpack?
Python
Numpy
Scipy
Fft
How to get column names from SQLAlchemy result (declarative syntax)
Python
Sqlalchemy
Pylons
Pyramid
Click a Button in Scrapy
Python
Web Crawler
Web Scraping
Scrapy
How to determine file, function and line number?
Python
Find the number of occurrences of a subsequence in a string
Python
Algorithm
Dynamic Programming
What gui library is used by sublime text editor?
Python
User Interface
Sublimetext
Flask - Accessing the config variable in the template
Python
Flask
Jinja2
Python: if not val, vs if val is None
Python
Comparison
Boolean
Readability
5 maximum values in a python dictionary
Python
Dictionary
Max
run program in Python shell
Python
Executable
How to run python script in webpage
Python
'tuple' object does not support item assignment
Python
Python Imaging-Library
Create a python object that can be accessed with square brackets
Python
Why can't I use the method __cmp__ in Python 3 as for Python 2?
Python
Python 3.x
Python 2.x
Partial Ordering
I have Python on my Ubuntu system, but gcc can't find Python.h
Python
C
Ubuntu
Header
recover dict from 0-d numpy array
Python
Dictionary
Load
Numpy
Save
Python, want logging with log rotation and compression
Python
Logging
Is there a way to store a function in a list or dictionary so that when the index (or key) is called it fires off the stored function?
Python
Dictionary
Dispatch
Round up to Second Decimal Place in Python
Python
Rounding
How to force/ensure class attributes are a specific type?
Python
Class
Variables
Printing to screen and writing to a file at the same time
Python
Last element in OrderedDict
Python
Python 3.x
Ordereddictionary
Replace part of a string in Python?
Python
String
How to make savefig() save image for 'maximized' window instead of default size
Python
Matplotlib
How do I search for a pattern within a text file using Python combining regex & string/file operations and store instances of the pattern?
Python
Regex
File Io
Text Mining
String Parsing
Python spacing and aligning strings
Python
String
Alignment
Argparse: Check if any arguments have been passed
Python
Command Line-Arguments
Argparse
Convert list of tuples to list?
Python
difference between numpy dot() and inner()
Python
Matrix
Numpy
What is generator.throw() good for?
Python
Generator
Throw
I'm trying to use python in powershell
Python
Powershell
Python 2.7
How do you set a default value for a WTForms SelectField?
Python
Flask
Wtforms
Flask - POST Error 405 Method Not Allowed
Python
Http
Post
Flask
What is the equivalent of "zip()" in Python's numpy?
Python
Arrays
Numpy
How to save requests (python) cookies to a file?
Python
Cookies
Python Requests
How to know bytes size of python object like arrays and dictionaries? - The simple way
Python
Object
Memory
Size
Byte
*args, **kwargs in jinja2 macros
Python
Macros
Jinja2
Python Requests requests.exceptions.SSLError: [Errno 8] _ssl.c:504: EOF occurred in violation of protocol
Python
Openssl
Httprequest
Python Requests
Ubuntu 12.10
Get file size using python-requests, while only getting the header
Python
Python Requests
Python POST binary data
Python
Rest
Post
Urllib2
Redmine
Handling multiple requests in Flask
Python
Flask
How do I tokenize a string sentence in NLTK?
Python
Nlp
Tokenize
Nltk
Remove the last N elements of a list
Python
List
Working with big data in python and numpy, not enough ram, how to save partial results on disc?
Python
Arrays
Numpy
Scipy
Bigdata
python list comprehension to produce two values in one iteration
Python
List
List Comprehension
How to set Selenium Python WebDriver default timeout?
Python
Firefox
Selenium
Timeout
Selenium Webdriver
How to pipe input to python line by line from linux program?
Python
Pipe
How to inject variable into scope with a decorator?
Python
Scope
Closures
Decorator
Python Decorators
Django csrf token + Angularjs
Javascript
Python
Django
Angularjs
How to pass an operator to a python function?
Python
Function
Python 2.7
watchdog monitoring file for changes
Python
File
File Io
Monitoring
Watchdog
Ruby equivalent for Python's "try"?
Python
Python 3.x
Ruby
Try Catch
Language Comparisons
Can we use C code in Python?
Python
C
Linux
Compiler Construction
IPython Notebook save location
Python
Ipython
Ipython Notebook
socket.error:[errno 99] cannot assign requested address and namespace in python
Python
Sockets
Namespaces
Ip
Access a function variable outside the function without using "global"
Python
Local Variables
Trying to get PyCharm to work, keep getting "No Python interpreter selected"
Python
Pycharm
How exactly is Python Bytecode Run in CPython?
Python
Cpython
Python Internals
Sort pandas dataframe both on values of a column and index?
Python
Pandas
Sorting
Dataframe
Is there a tutorial specifically for PyQt5?
Python
User Interface
Qt5
Pyqt5
Where is the "from __future__ import braces" code?
Python
Python 2.7
Python Internals
Convert timedelta to floating-point
Python
Datetime
Python 2.7
Floating Point
Timedelta
ImportError: No module named Image
Python
Macos
Python Imaging-Library
Split a string into N equal parts?
Python
Getting the remaining arguments in argparse
Python
Argparse
Scikit-learn balanced subsampling
Python
Pandas
Scikit Learn
Subsampling
difference between objects.create() and object.save() in django orm
Python
Django
Orm
Running get_dummies on several DataFrame columns?
Python
Pandas
Dataframe
One Hot-Encoding
Cmake is not able to find Python-libraries
Python
Python 2.7
Cmake
PyCharm import external library
Python
Import
Pycharm
Using Alembic API from inside application code
Python
Sqlite
Sqlalchemy
Alembic
Setting a fixed size for points in legend
Python
Legend
Scatter Plot
Pandas: Check if row exists with certain values
Python
Pandas
Contains
Storing the secrets (passwords) in a separate file
Python
Configuration
Settings
What are some possible calculations with numpy or scipy that can return a NaN?
Python
Numpy
Floating Point
Nan
OSError: [WinError 193] %1 is not a valid Win32 application
Python
Subprocess
Python 3.4
Pip build option to use multicore
Python
Installation
Pip
numpy subtract every row of matrix by vector
Python
Numpy
Matrix
How does one ignore unexpected keyword arguments passed to a function?
Python
Function
Dictionary
How to set local variable in list comprehension?
Python
List Comprehension
Multiple inheritance in python3 with different signatures
Python
Inheritance
Python 3.x
Multiple Inheritance
How can I use Django OAuth Toolkit with Python Social Auth?
Python
Django
Oauth 2.0
Django Rest-Framework
Python Social-Auth
Python pandas - filter rows after groupby
Python
Pandas
Filter
Lambda
Group By
Django REST Framework upload image: "The submitted data was not a file"
Python
Angularjs
Django
Django Rest-Framework
Django manage.py Unknown command: 'syncdb'
Python
Django
Django Syncdb
Syncdb
Django: dependencies reference nonexistent parent node
Python
Django
Migrate
Composite primary key in django
Python
Django
Postgresql
How do I remove the background from this kind of image?
Python
Opencv
Image Processing
Scikit Image
How to add element in Python to the end of list using list.insert?
Python
List
Insert
Fill cells with colors using openpyxl?
Python
Openpyxl
Append a tuple to a list - what's the difference between two ways?
Python
List
Types
Append
Tuples
Python 3 - Can pickle handle byte objects larger than 4GB?
Python
Python 3.x
Size
Pickle
Pip freeze for only project requirements
Python
Pip
How to get the format of image with PIL?
Python
Python Imaging-Library
Image Formats
Flask: 'session' vs. 'g'?
Python
Session
Flask
Python: Write unittest for console print
Python
Python 2.7
Unit Testing
Console
Python Unittest
Generate list of months between interval in python
Python
Python 2.7
List of tensor names in graph in Tensorflow
Python
Tensorflow
TypeError: tuple indices must be integers, not str
Python
Sql
Database
Get first letter of a string from column
Python
Pandas
How to get the dependency tree with spaCy?
Python
Spacy
tf.shape() get wrong shape in tensorflow
Python
Python 3.x
Tensorflow
Tensor
Opencv - Grayscale mode Vs gray color conversion
Python
Python 2.7
Opencv
Cutting out a portion of video - python
Python
Video
Moviepy
How to access an AWS Lambda environment variable from Python
Python
Aws Lambda
Keras - Plot training, validation and test set accuracy
Python
Matplotlib
Keras
How to add a label to Seaborn Heatmap color bar?
Python
Heatmap
Seaborn
Correct way to set new column in pandas DataFrame to avoid SettingWithCopyWarning
Python
Pandas
How to get row number in dataframe in Pandas?
Python
Pandas
How can I do a dictionary format with f-string in Python 3 .6?
Python
Dictionary
Format
F String
Temporary failure in name resolution [Errno -3] with Docker
Python
Ubuntu
Docker
Pip
Ubuntu 16.04
Why does Python have a limit on the number of static blocks that can be nested?
Python
Nested Loops
Language Implementation
Is there a formatted byte string literal in Python 3.6+?
Python
Python 3.x
String Interpolation
F String
dump() missing 1 required positional argument: 'fp' in python json
Python
Json
Python 2.7
Python 3.x
Python sign SOAP request using BinarySecurityToken
Python
Soap
Suds
Wsse
Zeep
How to install my own python module (package) via conda and watch its changes
Python
Module
Package
Anaconda
Miniconda
AttributeError: Module Pip has no attribute 'main'
Python
Pip
How to resolve Python package dependencies with pipenv?
Python
Python 3.x
Pip
Dependencies
Pipenv
AttributeError: Can only use .str accessor with string values, which use np.object_ dtype in pandas
Python
Pandas
Getting a list of indices where pandas boolean series is True
Python
Pandas
Boolean
Series
Boolean Indexing
Performant cartesian product (CROSS JOIN) with pandas
Python
Pandas
Numpy
Dataframe
Merge
OpenCV TypeError: Expected cv::UMat for argument 'src' - What is this?
Python
Opencv
Typeerror
Src
How to define max_queue_size, workers and use_multiprocessing in keras fit_generator()?
Python
Tensorflow
Machine Learning
Keras
Gpu
module 'yaml' has no attribute 'FullLoader'
Python
How to create conda environment with specific python version?
Python
Conda
Miniconda
Selenium - wait until element is present, visible and interactable
Python
Selenium
Selenium Webdriver
Webdriverwait
Expected Condition
Why Java and Python garbage collection methods are different?
Java
Python
Garbage Collection
Python Date Comparisons
Python
Datetime
How do I log an exception at warning- or info-level with traceback using the python logging framework?
Python
Exception
Logging
What is the time complexity of popping elements from list in Python?
Python
How to get a list of all users with a specific permission group in Django
Python
Django
Dictionary
Permissions
Python 2.x gotchas and landmines
Python
How can I access the current executing module or class name in Python?
Python
Module
How would I compute exactly 30 days into the past with Python (down to the minute)?
Python
Datetime
Date
Time
Make function definition in a python file order independent
Python
More efficient movements editing python files in vim
Python
Vim
Editing
Use Django ORM as standalone
Python
Django
Postgresql
Orm
Search in lists of lists by given index
Python
List
Good or bad practice in Python: import in the middle of a file
Python
Python Import
pytz localize vs datetime replace
Python
Datetime
Timezone
Utc
Pytz
Reliably detect Windows in Python
Python
Windows
Platform Detection
How to find out if Python is compiled with UCS-2 or UCS-4?
Python
Unicode
Ucs2
Django model fields validation
Python
Django
Django Models
Installing PIL (Python Imaging Library) in Win7 64 bits, Python 2.6.4
Python
Python Imaging-Library
Windows 7-X64
Error handling in SQLAlchemy
Python
Sqlalchemy
How to invert colors of image with PIL (Python-Imaging)?
Python
Python Imaging-Library
Why isn't the regular expression's "non-capturing" group working?
Python
Regex
Why are underscores better than hyphens for file names?
Python
Naming
Upgrade package without upgrading dependencies using pip?
Python
Virtualenv
Pip
Make 2 functions run at the same time
Python
Multithreading
Parallel Processing
How to get the system info with Python?
Python
System Information
Getting computer's UTC offset in Python
Python
Timezone
Utc
How can I compare a date and a datetime in Python?
Python
how to dynamically create an instance of a class in python?
Python
Should wildcard import be avoided?
Python
Pyqt
Pyqt4
Pylint
Python Import
What do I do when I need a self referential dictionary?
Python
Dictionary
Python how to exit main function
Python
how to send the output of pprint module to a log file
Python
Logging
how to use tempfile.NamedTemporaryFile() in python
Python
File Io
Temporary Files
Get a list of numbers as input from the user
Python
List
Input
SQLAlchemy, clear database content but don't drop the schema
Python
Sqlalchemy
Pylons
How do I manage third-party Python libraries with Google App Engine? (virtualenv? pip?)
Python
Google App-Engine
Deployment
Pip
Egg
How to handle response encoding from urllib.request.urlopen() , to avoid TypeError: can't use a string pattern on a bytes-like object
Python
Regex
Encoding
Urllib
How to use django-debug-toolbar on AJAX calls?
Python
Django
Django Debug-Toolbar
How do I get the file / key size in boto S3?
Python
Amazon S3
Boto
TypeError: 'list' object is not callable while trying to access a list
Python
Callable
Using Scrapy with authenticated (logged in) user session
Python
Scrapy
Passing Numpy arrays to a C function for input and output
Python
Numpy
Ctypes
Ffi
Pyaudio installation error - 'command 'gcc' failed with exit status 1'
Python
Linux
Gcc
Pyaudio
Converting python datetime to timestamp and back in UTC still uses local timezone
Python
Datetime
Time
Pytz
How to change the user and group permissions for a directory, by name?
Python
Operating System
Chown
Platform-independent file paths?
Python
Path
Cross Platform
How to make a dictionary that returns key for keys missing from the dictionary instead of raising KeyError?
Python
Dictionary
Data Structures
Dictionary Missing
Multi-threaded use of SQLAlchemy
Python
Multithreading
Sqlalchemy
Avoiding "MySQL server has gone away" on infrequently used Python / Flask server with SQLAlchemy
Python
Mysql
Sqlalchemy
Flask
Database Connection
Python function argument list formatting
Python
Formatting
Indentation
Pep8
Flask user authentication
Python
Authentication
Mongodb
Flask
Use slice notation with collections.deque
Python
Slice
Deque
How can I install the Python library 'gevent' on Mac OS X Lion
Python
Macos
Osx Lion
Gevent
How to approach a number guessing game (with a twist) algorithm?
Python
Algorithm
Tensorflow
Machine Learning
Keras
Python SOAP Client - use SUDS or something else?
Python
Soap
Suds
Basic Python client socket example
Python
Sockets
Networking
Best way to loop over a python string backwards
Python
String
Optimization
Iterator
Reverse
BeautifulSoup innerhtml?
Python
Html
Beautifulsoup
Innerhtml
In python, is there a good idiom for using context managers in setup/teardown
Python
Unit Testing
Contextmanager
Removing duplicate characters from a string
Python
Get a unique ID for worker in python multiprocessing pool
Python
Multiprocessing
JavaScript timestamp to Python datetime conversion
Javascript
Python
Timestamp
OpenCV - Apply mask to a color image
Python
Opencv
Image Processing
Mask
Can not increment global variable from function in python
Python
What is the result of a yield expression in Python?
Python
Generator
Yield
Programming Android apps in jython
Android
Python
Jython
Resolving metaclass conflicts
Python
Python 3.x
Multiple Inheritance
Metaclass
Reading two text files line by line simultaneously
Python
File
Io
Readfile
Convert timestamps with offset to datetime obj using strptime
Python
Datetime
Timestamp
Rfc3339
How to install a Python module via its setup.py in Windows?
Python
For what purpose Django is used for?
Python
Django
Detect face then autocrop pictures
Python
Linux
Opencv
Crop
Face Detection
How can I remove extra whitespace from strings when parsing a csv file in Pandas?
Python
Parsing
Pandas
Enter Interactive Mode In Python
Python
Interactive
Inheritance best practice : *args, **kwargs or explicitly specifying parameters
Python
Inheritance
Method Signature
Color by Column Values in Matplotlib
Python
Pandas
Matplotlib
Seaborn
Running windows shell commands with python
Python
Windows
Operating System
Shell
Convert pandas DateTimeIndex to Unix Time?
Python
Pandas
A quick way to return list without a specific element in Python
Python
How to get keyboard input in pygame?
Python
Pygame
Keyboard
Non blocking subprocess.call
Python
Subprocess
Is it okay to pass self to an external function
Python
Self
AttributeError: 'int' object has no attribute '_sa_instance_state'
Python
Sqlalchemy
Flask
One to-Many
Flask Sqlalchemy
Iterate over all combinations of values in multiple lists in Python
Python
Iteration
How to change json encoding behaviour for serializable python object?
Python
Json
How can I modify Procfile to run Gunicorn process in a non-standard folder on Heroku?
Python
Django
Heroku
Wsgi
Gunicorn
Why does Tkinter image not show up if created in a function?
Python
Image
Tkinter
Tkinter Canvas
Keep certain columns in a pandas DataFrame, deleting everything else
Python
Pandas
How can I set two primary key fields for my models in Django?
Python
Django
Django Models
Model
Primary Key
What's the purpose of the + (pos) unary operator in Python?
Python
Python modbus library
Python
Modbus
python replace single backslash with double backslash
Python
String
Replace
Backslash
Remove key from dictionary in Python returning new dictionary
Python
Methods
Dictionary
Why does Python 3 need dict.items to be wrapped with list()?
Python
Python 3.x
Python 2to3
Create 2 dimensional array with 2 one dimensional array
Python
Arrays
Numpy
gradient descent using python and numpy
Python
Numpy
Machine Learning
Linear Regression
Gradient Descent
How can static method access class variable in Python?
Python
using requests with TLS doesn't give SNI support
Python
Ssl
Ssl Certificate
Python Requests
Sni
python ignore certificate validation urllib2
Python
Python 2.7
Urllib2
Python Requests
Segmentation fault: 11 in OS X
Python
Macos
Get particular row as series from pandas dataframe
Python
Pandas
add title to collection of pandas hist plots
Python
Pandas
Title
Histogram
How to zip two differently sized lists, repeating the shorter list?
Python
List
Python range() and zip() object type
Python
Python 3.x
List
Iterator
Range
NameError: name 'datetime' is not defined
Python
Datetime
How to use valgrind with python?
Python
Memory Leaks
Valgrind
Multiple assignments into a python dictionary
Python
Dictionary
How to set a variable to be "Today's" date in Python/Pandas
Python
Date
Datetime
Formatting
Pandas
Check and wait until a file exists to read it
Python
Matplotlib log scale tick label number formatting
Python
Numpy
Matplotlib
Graphing
Does matplotlib have a function for drawing diagonal lines in axis coordinates?
Python
Numpy
Matplotlib
matplotlib: make plus sign thicker
Python
Matplotlib
Markers
from ... import OR import ... as for modules
Python
Import
Module
Concatenating empty array in Numpy
Python
Arrays
Matlab
Numpy
Double Progress Bar in Python
Python
Progress Bar
How to clone or copy a set in Python?
Python
Set
Clone
Shallow Copy
Plotting pandas timedelta
Python
Matplotlib
Pandas
How to upgrade django?
Python
Django
Filtering all rows with NaT in a column in Dataframe python
Python
Pandas
Dataframe
Plotting CDF of a pandas series in python
Python
Pandas
Series
Cdf
Pandas make new column from string slice of another column
Python
Pandas
How to get a regression summary in scikit-learn like R does?
Python
R
Scikit Learn
Linear Regression
Summary
Recursive pattern in regex
Python
Regex
Recursive Regex
Pandas sum across columns and divide each cell from that value
Python
Pandas
Dataframe
Python Binomial Coefficient
Python
Python 3.x
How do I encrypt and decrypt a string in python?
Python
Python 3.x
Encryption
Get weekday/day-of-week for Datetime column of DataFrame
Python
Pandas
Dataframe
Datetime
Dayofweek
Pylint can't find SQLAlchemy query member
Python
Python 3.x
Sqlalchemy
Flask Sqlalchemy
Pylint
List of Tuples to DataFrame Conversion
Python
List
Pandas
Tuples
How to combine python asyncio with threads?
Python
Multithreading
Python Asyncio
Aiohttp
Support multiple API versions in flask
Python
Flask
How do I get Python's ElementTree to pretty print to an XML file?
Python
Xml
Python 2.6
Elementtree
Pretty Print
python pandas to_sql with sqlalchemy : how to speed up exporting to MS SQL?
Python
Sql
Pandas
Sqlalchemy
Pyodbc
How do I filter a pandas DataFrame based on value counts?
Python
Pandas
Filtering
Dataframe
How to get multiline input from user
Python
Input
Multiline
pip install - killed
Python
Ubuntu
Pip
python strptime format with optional bits
Python
Datetime Format
Should I use `random.seed` or `numpy.random.seed` to control random number generation in `scikit-learn`?
Python
Numpy
Random
Scikit Learn
Random Seed
Remove duplicate rows of a numpy array
Python
Numpy
How to call super method from grandchild class?
Python
Python 2.7
Inheritance
Super
Grandchild
RuntimeError: working outside of application context
Python
Mysql
Flask
Werkzeug
Flask Restful
How do I change matplotlib's subplot projection of an existing axis?
Python
Matplotlib
Subplot
Cartopy
convert entire pandas dataframe to integers in pandas (0.17.0)
Python
Pandas
Pandas recalculate index after a concatenation
Python
Pandas
Matplotlib plots aren't shown when running file from bash terminal
Python
Bash
Matplotlib
Terminal
Get meta tag content property with BeautifulSoup and Python
Python
Html
Web Scraping
Beautifulsoup
How to upload a file to Google Cloud Storage on Python 3?
Python
Python 3.x
Google Cloud-Storage
Boto
Google Cloud-Platform
Programmatically searching google in Python using custom search
Python
Google Custom-Search
How do I print colored output to the terminal in Python?
Python
How to split Vector into columns - using PySpark
Python
Apache Spark
Pyspark
Apache Spark-Sql
Apache Spark-Ml
Anti-Join Pandas
Python
Pandas
Dataframe
Merge
Anti Join
Python mock call_args_list unpacking tuples for assertion on arguments
Python
Unit Testing
Python Unittest
Python unittest.mock
Is python += string concatenation bad practice?
Python
String
String Concatenation
python argparse choices with a default choice
Python
Python 3.x
Argparse
How to print an exception in Python 3?
Python
Python 3.x
Exception
Web Scraping
Save MinMaxScaler model in sklearn
Python
Machine Learning
Scikit Learn
Normalization
Python Selenium Chrome Webdriver
Python
Selenium
Selenium Chromedriver
Pytorch reshape tensor dimension
Python
Numpy
Deep Learning
Pytorch
Tensor
Get rows based on distinct values from one column
Python
Pandas
Does the order of functions in a Python script matter?
Python
MyPy annotation for classmethod returning instance
Python
Mypy
Multiple constructors: the Pythonic way?
Python
Constructor
Initialization
Initializer
Idioms
Copying a column from one DataFrame to another gives NaN values?
Python
Pandas
Types
Copy
Seaborn.countplot : order categories by count
Python
Pandas
Plot
Seaborn
Bar Chart
Pandas DataFrame.to_csv raising IOError: No such file or directory
Python
Python 2.7
Pandas
How can I import urlparse in python-3?
Python
Python 3.x
Import
Importerror
Urlparse
PyTorch: How to change the learning rate of an optimizer at any given moment (no LR schedule)
Python
Optimization
Neural Network
Deep Learning
Pytorch
Validating detailed types in python dataclasses
Python
Type Hinting
Python Typing
Python Dataclasses
Pillow in Python won't let me open image ("exceeds limit")
Python
Image
Dataset
What is y axis in seaborn distplot?
Python
Matplotlib
Seaborn
Testing logging output with pytest
Python
Unit Testing
Testing
Logging
Pytest
AttributeError: 'Series' object has no attribute 'reshape'
Python
Python 3.x
Pandas
Reshape
Attributeerror
How do I plot Shapely polygons and objects using Matplotlib?
Python
Matplotlib
Shapely
UserWarning: FixedFormatter should only be used together with FixedLocator
Python
Matplotlib
Why is there a difference between `0--3//2` and `--3//2`?
Python
Operator Precedence
Do you use the "global" statement in Python?
Python
Global
Can you change a field label in the Django Admin application?
Python
Python 3.x
Django
Django Forms
Django Admin
Is there an easily available implementation of erf() for Python?
Python
Math
Examples for string find in Python
Python
String
Find
Function overloading in Python: Missing
Python
Overloading
Missing Features
Which JSON module can I use in Python 2.5?
Python
Json
Accurate timing of functions in python
Python
Testing
Time
Profiling
printing bit representation of numbers in python
Python
Python 3 and static typing
Python
Python 3.x
Static Typing
Python: Why does ("hello" is "hello") evaluate as True?
Python
Identity
String Comparison
Object Comparison
Parameterized queries with psycopg2 / Python DB-API and PostgreSQL
Python
Postgresql
Psycopg2
Python one-line "for" expression
Python
Lambda
How to use C++ classes with ctypes?
C++
Python
Ctypes
Best practice in python for return value on error vs. success
Python
Return
Python decorator handling docstrings
Python
Decorator
Docstring
What is the purpose of classmethod in this code?
Python
Getting next element while cycling through a list
Python
List
Iteration
Next
Remove default apps from Django-admin
Python
Django
Django Admin
Python SQLite: database is locked
Python
Sqlite
Pysqlite
Write xml file using lxml library in Python
Python
Xml
Lxml
All possible permutations of a set of lists in Python
Python
List
Permutation
Python library to split and join mp3 files
Python
Mp3
PyQt4.QtCore.pyqtSignal object has no attribute 'connect'
Python
Pyqt
Signals
Pyqt4
String count with overlapping occurrences
Python
String
Search
Using Windows Python from Cygwin
Python
Windows
Cygwin
Can I use Django F() objects with string concatenation?
Python
Mysql
Django
Why is Python not fully object-oriented?
Python
Oop
How do I programmatically set the docstring?
Python
Docstring
How to efficiently manage frequent schema changes using sqlalchemy?
Python
Sqlalchemy
Pylons
Data Migration
Migrate
How to make a python script "pipeable" in bash?
Python
Pipe
Implementing Single Sign On (SSO) using Django
Python
Django
Single Sign-On
Django: How to build a custom form widget?
Python
Django
Forms
How can I get the Unix permission mask from a file?
Python
File Permissions
User Permissions
How do Rpy2, pyrserve and PypeR compare?
Python
R
Rpy2
Pyrserve
Pyper
Get character position in alphabet
Python
Position
Character
Alphabet
MATLAB-style find() function in Python
Python
Matlab
Find
How to insert current_timestamp into Postgres via python
Python
Postgresql
Datetime
Keep persistent variables in memory between runs of Python script
Python
Variables
Memory
Using the __call__ method of a metaclass instead of __new__?
Python
Oop
Metaclass
When does socket.recv(recv_size) return?
Python
Sockets
Create (sane/safe) filename from any (unsafe) string
Python
Cocoa
Filenames
Pyobjc
Case insensitive unique model fields in Django?
Python
Django
Postgresql
Model
Can't install via pip with Virtualenv
Python
Pip
Using 'argparse.ArgumentError' in Python
Python
Argparse
Why do std::string operations perform poorly?
C++
Python
Performance
node.js
Stl
How to print +1 in Python, as +1 (with plus sign) instead of 1?
Python
Number Formatting
AttributeError: 'numpy.ndarray' object has no attribute 'append'
Python
Matplotlib
How to show matplotlib plots?
Python
Matplotlib
Webdriver Screenshot
Python
Selenium
Selenium Webdriver
Webdriver
TypeError: unhashable type: 'numpy.ndarray'
Python
Numpy
How to get rid of specific warning messages in python while keeping all other warnings as normal?
Python
merging several python dictionaries
Python
Dictionary
Merge
Ignore part of a python tuple
Python
Tuples
Iterable Unpacking
How do I import/add an existing Python file to a PyCharm project?
Python
Project
Pycharm
My matplotlib.pyplot legend is being cut off
Python
Matplotlib
Call and receive output from Python script in Java?
Java
Python
Executing Javascript from Python
Javascript
Python
Screen Scraping
How to cache downloaded PIP packages
Python
Pip
one-liner to check if at least one item in list exists in another list?
Python
directory path types with argparse
Python
Argparse
How can I suppress the newline after a print statement?
Python
Python 3.x
Pandas (python): How to add column to dataframe for index?
Python
Indexing
Dataframe
Pandas
Get value at list/array index or "None" if out of range in Python
Python
How to set font size of Matplotlib axis Legend?
Python
Matplotlib
Font Size
Legend
How can I send an xml body using requests library?
Python
Python Requests
Errno 10061 : No connection could be made because the target machine actively refused it ( client - server )
Python
Sockets
How to use g.user global in flask
Python
Flask
Jinja2
Flask Login
Export a LaTeX table from pandas DataFrame
Python
Latex
Dataframe
Pandas
Two forward slashes in Python
Python
Floor Division
Foreign Key Django Model
Python
Django
Django Models
Python NameError: name is not defined
Python
Python 3.x
Nameerror
Can pip be used with Python Tools in Visual Studio?
Python
Visual Studio
Pip
Ptvs
isPrime Function for Python Language
Python
Primes
Is a Python Decorator the same as Java annotation, or Java with Aspects?
Java
Python
Python Decorators
Java Annotations
How can I quickly estimate the distance between two (latitude, longitude) points?
Python
Math
Maps
Mapping
Latitude Longitude
Python: How to sort a list of dictionaries by several values?
Python
List
Sorting
Iterating over Numpy matrix rows to apply a function each?
Python
Matrix
Numpy
Iterating over a 2 dimensional python list
Python
Loops
Multidimensional Array
Python: Random numbers into a list
Python
List
Random
What's an efficient way to find if a point lies in the convex hull of a point cloud?
Python
Numpy
Convex Hull
Reading a text file and splitting it into single words in python
Python
String
Split
Creating an element-wise minimum Series from two other Series in Python Pandas
Python
Pandas
How do you stop numpy from multithreading?
Python
Multithreading
Numpy
python how to "negate" value : if true return false, if false return true
Python
Boolean
Negate
Suppressing scientific notation in pandas?
Python
Numpy
Pandas
How to switch between python 2.7 to python 3 from command line?
Python
Windows
Command Line
Cmd
Create stacked histogram from unequal length arrays
Python
Matplotlib
Making object JSON serializable with regular encoder
Python
Json
Serialization
Monkeypatching
Python calling method without 'self'
Python
Class
Self
dict.keys()[0] on Python 3
Python
Python 3.x
Dictionary
Dictview
How to plot time series in python
Python
Matplotlib
Plot
Add "b" prefix to python variable?
Python
Python 3.x
Byte
How do I get a python program to do nothing?
Python
How do I create a Python set with only one element?
Python
Python 3.x
Set
Reading multiple JSON records into a Pandas dataframe
Python
Json
Pandas
Lazy evaluation in Python
Python
Python 3.x
Lazy Evaluation
Constructing a co-occurrence matrix in python pandas
Python
Pandas
Statistics
ImportError: cannot import name HTTPSHandler using PIP
Python
Ssl
Openssl
Pip
Running django tutorial tests fail - No module named polls.tests
Python
Django
Django Unittest
How to read user input until EOF?
Python
String
Input
Eof
convert csv file to list of dictionaries
Python
List
Csv
Dictionary
How can I prevent a window from being resized with tkinter?
Python
Python 2.7
Tkinter
What is the difference between curly brace and square bracket in Python?
Python
Syntax
Curly Braces
Square Bracket
jinja2 - how to put a block in an if statement?
Python
Python 2.7
If Statement
Flask
Jinja2
how to multiply multiple columns by a column in Pandas
Python
Pandas
Websockets in Flask
Python
Websocket
Flask
Uwsgi
Gevent
IPython Notebook output cell is truncating contents of my list
Python
Ipython
Ipython Notebook
getting sheet names from openpyxl
Python
Excel
Openpyxl
How to update values in a specific row in a Python Pandas DataFrame?
Python
Pandas
Length of string in Jinja/Flask
Python
Flask
Jinja2
String Length
Remove list element without mutation
Python
List
Why can't I iterate twice over the same data?
Python
Iterator
Print raw HTTP request in Flask or WSGI
Python
Flask
Wsgi
How to fix Selenium WebDriverException: The browser appears to have exited before we could connect?
Python
Selenium
Selenium Webdriver
Webdriver
Display Python datetime without time
Python
Datetime
Strptime
How to set colors for nodes in NetworkX?
Python
Networkx
Debugging with PyCharm terminal arguments
Python
Pycharm
How to clear/delete the contents of a Tkinter Text widget?
Python
Tkinter
Text Widget
Pandas convert a column of list to dummies
Python
Pandas
How to get matplotlib figure size
Python
Matplotlib
Size
Pixel
Figure
What is the opposite of python's ord() function?
Python
Standard Library
Setting Background color to transparent in Plotly plots
Python
Plotly
Transparency
Plotly Python
Flask: Download a csv file on clicking a button
Javascript
Python
Json
Csv
Flask
In python, what is the difference between random.uniform() and random.random()?
Python
Random
Uniform
Add a non-model field on a ModelSerializer in DRF 3
Python
Django
Django Rest-Framework
Group by index + column in pandas
Python
Pandas
ImportError: No module named concurrent.futures.process
Python
Path
Saving response from Requests to file
Python
File Io
Python Requests
preventing python coverage from including virtual environment site packages
Python
Testing
Virtualenv
Code Coverage
Python Coverage
Docker image error: "/bin/sh: 1: [python,: not found"
Python
Django
Ubuntu
Docker
Dockerfile
pip install PIL fails
Python
Django
Pip
Python Imaging-Library
Is it possible to append Series to rows of DataFrame without making a list first?
Python
Pandas
Machine Learning
Dataframe
Series
Pythonic/efficient way to strip whitespace from every Pandas Data frame cell that has a stringlike object in it
Python
Pandas
Dataframe
Tensorflow Tensorboard default port
Python
Tensorflow
Tensorboard
Sample each group after pandas groupby
Python
Pandas
Random
Group By
Pandas Groupby
Proper type annotation of Python functions with yield
Python
Generator
Coroutine
Static Typing
Mypy
"ImportError: file_cache is unavailable" when using Python client for Google service account file_cache
Python
Google Calendar-Api
Get first row of dataframe in Python Pandas based on criteria
Python
Pandas
How to compute Receiving Operating Characteristic (ROC) and AUC in keras?
Python
Theano
Keras
Python Pandas - Missing required dependencies ['numpy'] 1
Python
Pandas
Numpy
Anaconda
Spyder
Django - is not a registered namespace
Python
Django
PyTorch: How to use DataLoaders for custom Datasets
Python
Torch
Pytorch
How to call a async function contained in a class?
Python
Websocket
Python Asyncio
Get a random sample with replacement
Python
Python 3.x
Random
ValueError: Grouper for <something> not 1-dimensional
Python
Pandas
Seaborn
Line plot with data points in pandas
Python
Pandas
Matplotlib
Convert float64 column to int64 in Pandas
Python
Pandas
Dataframe
Flask doesn't print to console
Python
Flask
Unbalanced data and weighted cross entropy
Python
Machine Learning
Tensorflow
Deep Learning
How to read a list of parquet files from S3 as a pandas dataframe using pyarrow?
Python
Pandas
Dataframe
Boto3
Pyarrow
How to specify python version used to create Virtual Environment?
Python
Python 3.x
Virtualenv
1D numpy concatenate: TypeError: only integer scalar arrays can be converted to a scalar index
Python
Arrays
Numpy
ResourceWarning unclosed socket in Python 3 Unit Test
Python
Python 3.x
Sockets
Python Unittest
Can not click on a Element: ElementClickInterceptedException in Splinter / Selenium
Python
Selenium
Webdriverwait
Splinter
Expected Condition
Check for duplicate values in Pandas dataframe column
Python
Pandas
Dataframe
Duplicates
Plot an histogram with y-axis as percentage (using FuncFormatter?)
Python
Matplotlib
Passing default list argument to dataclasses
Python
Python 3.x
Python Dataclasses
Using asyncio.Queue for producer-consumer flow
Python
Python 3.x
Async Await
Python Asyncio
ImageMagick not authorized to convert PDF to an image
Python
Linux
Subprocess
Imagemagick
WARNING:tensorflow:sample_weight modes were coerced from ... to ['...']
Python
Tensorflow
Keras
tensorflow2.0
tf.keras
Class views in Django
Python
Django
Views
Oop
Sanitising user input using Python
Python
Xss
Python Inverse of a Matrix
Python
Algorithm
Matrix
Linear Algebra
Matrix Inverse
How can I use Python for large scale development?
Python
Development Environment
Which Eclipse package should I download for PyDev?
Python
Eclipse
Package
Pydev
Python decorator makes function forget that it belongs to a class
Python
Reflection
Metaprogramming
A generic priority queue for Python
Python
Queue
Python: import the containing package
Python
Module
Package
Python Import
Converting date between DD/MM/YYYY and YYYY-MM-DD?
Python
Date
Monitoring contents of files/directories?
Python
File
Cross Platform
Filesystems
Monitoring
How does Python sort a list of tuples?
Python
What errors/exceptions do I need to handle with urllib2.Request / urlopen?
Python
How to extract top-level domain name (TLD) from URL
Python
Url
Parsing
Dns
Extract
Are multiple classes in a single file recommended?
Python
Class
How do I read a date in Excel format in Python?
Python
Excel
Datetime
Django: Converting an entire set of a Model's objects into a single dictionary
Python
Django
Django Models
Dictionary
Split a list into parts based on a set of indexes in Python
Python
List
Using a global dictionary with threads in Python
Python
Multithreading
Regular Expression to match cross platform newline characters
Python
Regex
Cross Platform
Eol
How can I define a class in Python?
Python
How to slice a list in Python
Python
List
Cleaning build directory in setup.py
Python
Build
Distutils
Whether to use "SET NAMES"
Php
Python
Mysql
Internationalization
Remove a tag using BeautifulSoup but keep its contents
Python
Beautifulsoup
Comments (#) go to start of line in the insert mode in Vim
Python
Vim
Comments
Indentation
As a Java programmer learning Python, what should I look out for?
Java
Python
Tell if Python is in interactive mode
Python
Interactive
Python 2.5
Python 2.x
Get POSIX/Unix time in seconds and nanoseconds in Python?
Python
Time
Posix
How to limit the size of a dictionary?
Python
Caching
Dictionary
Lru
Converting a list to a string
Python
Packaging a Python script on Linux into a Windows executable
Python
Linux
Windows
Py2exe
Meaning of leading underscore in list of tuples used to define choice fields?
Python
Django
Internationalization
Pythonic way to split a list into first and rest?
Python
List
Split
Python 2.x
What is the difference between random.randint and randrange?
Python
SciPy Create 2D Polygon Mask
Python
Scipy
Polygon
Sage
Point in-Polygon
How to set up a staging environment on Google App Engine
Python
Google App-Engine
Deployment
Staging
How to find out the current widget size in tkinter?
Python
Tkinter
Passing an array/list into a Python function
Python
Parameter Passing
Argument Unpacking
Get Line Number of certain phrase in file Python
Python
File
How many bytes does a string have
Python
How to use Python's "easy_install" on Windows ... it's not so easy
Python
Windows
Easy Install
How do I send empty response in Django without templates
Python
Ajax
Django
Django Views
python matplotlib framework under macosx?
Python
Macos
Matplotlib
Fink
How to get the n next values of a generator in a list (python)
Python
List
Generator
What's the best way to handle Django's objects.get?
Python
Django
Financial technical analysis in python
Python
Finance
In Python, is there an elegant way to print a list in a custom format without explicit looping?
Python
List
Creating a BAT file for python script
Python
Batch File
How to extract xml attribute using Python ElementTree
Python
Xml
Xpath
Elementtree
Extract files from zip without keeping the structure using python ZipFile?
Python
Extract
Unzip
Python Zipfile
Elegant way to make all dirs in a path
Python
Path
Is there an interactive graphing library for python
Python
Graph
Interactive
How can I subtract or add 100 years to a datetime field in the database in Django?
Python
Django
Datetime
Django Database
no module named zlib
Python
Virtualenv
Zlib
Ubuntu 10.10
Parse HTML table to Python list?
Python
Html
How to get a list from a set?
Python
List
Set
How to split a string of space separated numbers into integers?
Python
Arrays
String
Split
Integer
TypeError: coercing to Unicode: need string or buffer
Python
String
Typeerror
Is it necessary to include __init__ as the first function every time in a class in Python?
Python
Non-test methods in a Python TestCase
Python
Unit Testing
Converting Exception to a string in Python 3
Python
Exception
Unicode
Character Encoding
Save/dump a YAML file with comments in PyYAML
Python
Yaml
Pyyaml
How can I fake request.POST and GET params for unit testing in Flask?
Python
Unit Testing
Flask
virtualenvwrapper functions unavailable in shell scripts
Python
Bash
Virtualenv
Virtualenvwrapper
I have a string whose content is a function name, how to refer to the corresponding function in Python?
Python
String
Function
String Evaluation
Is there a function to make scatterplot matrices in matplotlib?
Python
Matplotlib
Scatter Plot
Display fullscreen mode on Tkinter
Python
Tkinter
How to sort OrderedDict of OrderedDict?
Python
Sorting
Nested
Ordereddictionary
How to freeze packages installed only in the virtual environment?
Python
Pip
Virtualenv
Virtualenvwrapper
Virtual Environment
Is there a way to perform a mouseover (hover over an element) using Selenium and Python bindings?
Python
Selenium
Selenium Webdriver
Python Bindings
How does virtualenv work?
Python
Virtualenv
Detect whether Celery is Available/Running
Python
Django
Celery
Django Celery
Skipping every other element after the first
Python
For Loop
Elements
Unittest (sometimes) fails because floating-point imprecision
Python
Unit Testing
Floating Point
Python argparse: Lots of choices results in ugly help output
Python
Argparse
How do I use a C-style for loop in Python?
Python
Python type() or __class__, == or is
Python
Language Features
How does the order of mixins affect the derived class?
Python
Django
Django Views
Django Class-Based-Views
Method Resolution-Order
pygame - How to display text with font & color?
Python
Pygame
tell pip to install the dependencies of packages listed in a requirement file
Python
Pip
requirements.txt
Use Python format string in reverse for parsing
Python
Suppress "None" output as string in Jinja2
Python
Jinja2
Python: Unable to Render Tex in Matplotlib
Python
Ubuntu
Matplotlib
Osx Snow-Leopard
Tex
Unpack the first two elements in list/tuple
Python
Unpack
Getting Site Matching Query Does Not Exist Error after creating django admin
Python
Django
Django Admin
Django Sites
Check if a string is hexadecimal
Python
Hex
Do I need to pass the full path of a file in another directory to open()?
Python
File Io
Absolute Path
Why is datetime.strptime not working in this simple example?
Python
String
Datetime
Type Conversion
Datetime Format
Python Class Members
Python
Class
Member Variables
How can I get the href of elements found by partial link text?
Python
Selenium
Selenium Chromedriver
Python Try Catch Block inside lambda
Python
Lambda
Try Catch
How to copy a file along with directory structure/path using python?
Python
File
Directory
Copy
Remove all newlines from inside a string
Python
String
Newline
Substitution
Python: Find index of minimum item in list of floats
Python
List
Floating Point
Minimum
Floating Point-Precision
How to I display why some tests where skipped while using py.test?
Python
Unit Testing
Pytest
Passing csrftoken with python Requests
Python
Csrf
Python Requests
Multithreaded web server in python
Python
Multithreading
Http
Webserver
sublime text2 python error message /usr/bin/python: can't find '__main__' module in ''
Python
OpenCV error: the function is not implemented
Python
Opencv
Python list comprehension to join list of lists
Python
List Comprehension
output the command line called by subprocess?
Python
Command Line
Subprocess
Popen
how can I use data posted from ajax in flask?
Jquery
Python
Ajax
Flask
Pandas sort by group aggregate and column
Python
Sorting
Group By
Dataframe
Pandas
Extracting a region from an image using slicing in Python, OpenCV
Python
Opencv
Image Processing
How can I do multiple substitutions using regex?
Python
Regex
String
Python matplotlib decrease size of colorbar labels
Python
Attributes
Matplotlib
Labels
Colorbar
How can I send a GET request from my flask app to another site?
Python
Ajax
Flask
Make a POST request while redirecting in flask
Python
Redirect
Flask
Pandas - make a column dtype object or Factor
Python
Pandas
Python list comprehension - want to avoid repeated evaluation
Python
List Comprehension
Code Readability
Matplotlib - How to make the marker face color transparent without making the line transparent
Python
Matplotlib
How to tell distutils to use gcc?
Python
Compiler Errors
Cython
Distutils
Yield multiple values
Python
unittest.mock: asserting partial match for method argument
Python
Unit Testing
Mocking
Pandas reading csv as string type
Python
Pandas
Casting
Type Conversion
Dtype
What is the proper way to work with shared modules in Python development?
Python
Python 3.x
Distutils
constructing absolute path with os.path.join()
Python
Path
Absolute Path
Checking fuzzy/approximate substring existing in a longer string, in Python?
Python
Python 2.7
Fuzzy Search
How to terminate process from Python using pid?
Python
Linux
Process
Terminal
ImportError: No module named 'pygame'
Python
Import
Pygame
AttributeError: Assignment not allowed to composite field "task" in protocol message object
Python
Protocol Buffers
Change the connection pool size for Python's "requests" module when in Threading
Python
Multithreading
Python Requests
Request
Connection Pooling
how to extract a subset of a colormap as a new colormap in matplotlib?
Python
Matplotlib
Exponentiation in Python - should I prefer ** operator instead of math.pow and math.sqrt?
Python
Math
Exponentiation
Image.open() cannot identify image file - Python?
Python
Python Imaging-Library
How to read a config file using python
Python
Running an Excel macro via Python?
Python
Excel
Vba
Python 2.7
Debugging Apache/Django/WSGI Bad Request (400) Error
Python
Django
Apache
Mod Wsgi
Django Wsgi
Install opencv for Python 3.3
Python
Opencv
Python 3.x
How to uninstall pip on OSX?
Python
Macos
Pip
How to move pandas data from index to column after multiple groupby
Python
Pandas
Pandas Groupby
Multi Index
get previous row's value and calculate new column pandas python
Python
Pandas
Pythonic way of detecting outliers in one dimensional observation data
Python
Numpy
Matplotlib
Statistics
Statsmodels
Python 3.x BaseHTTPServer or http.server
Python
Basehttpserver
Why can a dictionary be unpacked as a tuple?
Python
Python 2.7
Dictionary
Iterable Unpacking
How to add sequential counter column on groups using Pandas groupby
Python
Pandas
How to prevent python requests from percent encoding my URLs?
Python
Url
Python Requests
Percent Encoding
Pandas: Creating DataFrame from Series
Python
Pandas
Mat
How to format date string via multiple formats in python
Python
Date
Datetime
Format
Strptime
Set up Python 3 build system with Sublime Text 3
Python
Python 3.x
Sublimetext3
\text does not work in a matplotlib label
Python
Matplotlib
How to merge two dataframes side-by-side?
Python
Pandas
Python loop to run for certain amount of seconds
Python
Time
Timer
While Loop
Debugging: Get filename and line number from which a function is called?
Python
Debugging
Line Numbers
Inspect
python- how to display size of all variables
Python
Memory
Replace all occurrences of a string in a pandas dataframe (Python)
Python
Replace
Pandas
Dataframe
Python Pandas: Is Order Preserved When Using groupby() and agg()?
Python
Pandas
Aggregate
Can you patch *just* a nested function with closure, or must the whole outer function be repeated?
Python
Closures
Monkeypatching
What are the advantages of using numpy.identity over numpy.eye?
Python
Arrays
Performance
Numpy
How can I make a for-loop pyramid more concise in Python?
Python
Performance
Python 2.7
Python 3.x
Collection object is not callable error with PyMongo
Python
Mongodb
Pymongo
How to convert a DataFrame back to normal RDD in pyspark?
Python
Apache Spark
Pyspark
Pandas: Modify a particular level of Multiindex
Python
Pandas
Immutability
Multi Index
Pandas Dataframe to Excel Sheet
Python
Pandas
Python - a bytes like object is required, not str
Python
Python 3.x
Irc
Twitch
pip3: command not found but python3-pip is already installed
Python
Pip
How do I close an image opened in Pillow?
Python
Python Imaging-Library
Pillow
Pandas: resample timeseries with groupby
Python
Pandas
Group By
Time Series
Python: create dictionary using dict() with integer keys?
Python
Dictionary
Integer
Key
django migrations - workflow with multiple dev branches
Python
Django
Git
Migration
Why is the time complexity of python's list.append() method O(1)?
Python
Python 2.7
Time Complexity
Amortized Analysis
What is the difference between !r and %r in Python?
Python
String
Format
String Formatting
How to fill dataframe Nan values with empty list [] in pandas?
Python
Pandas
Nan
AttributeError: Can only use .dt accessor with datetimelike values
Python
Pandas
How to get rid of BeautifulSoup user warning?
Python
Beautifulsoup
User Warning
How to create a numpy array of lists?
Python
Arrays
List
Numpy
Example of update_item in dynamodb boto3
Python
Amazon Dynamodb
Boto3
Botocore
How to remove nan value while combining two column in Panda Data frame?
Python
Pandas
How to open my files in data_folder with pandas using relative path?
Python
Pandas
Relative Path
Python pytz timezone function returns a timezone that is off by 9 minutes
Python
Timezone
Timezone Offset
Pytz
Anaconda Python: where are the virtual environments stored?
Python
Virtualenv
Sublimetext3
Osx Yosemite
Anaconda
Test if function or method is normal or asynchronous
Python
Python 3.x
Asynchronous
Python 3.5
Coroutine
How should I stop a busy cell in an iPython notebook?
Python
Jupyter Notebook
python save plotly plot to local file and insert into html
Python
Plotly
IPython Notebook ipywidgets does not show
Python
Jupyter Notebook
Ipywidgets
How to set in pandas the first column and row as index?
Python
Python 3.x
Pandas
openpyxl get sheet by name
Python
Openpyxl
Python relative-import script two levels up
Python
Python 3.x
Python Import
Directory Structure
Relative Import
How to install a module for all users with pip on linux?
Python
Linux
Pip
Sudo
Python Pandas Group by date using datetime data
Python
Pandas
Datetime
Dataframe
Pandas Groupby
What do spaCy's part-of-speech and dependency tags mean?
Python
Nlp
Spacy
'if' statement in jinja2 template
Python
Templates
Jinja2
How to make Python use CA certificates from Mac OS TrustStore?
Python
Macos
Ssl
Truststore
Rolling Mean on pandas on a specific column
Python
Python 3.x
Pandas
Dataframe
Django 1.11 TypeError context must be a dict rather than Context
Python
Django
Django Views
Python "pip install " is failing with AttributeError: 'module' object has no attribute 'SSL_ST_INIT'
Python
Python 2.7
Ubuntu
Pyopenssl
Python equivalent of Typescript interface
Python
Typescript
Static Typing
Mypy
How do i watch python source code files and restart when i save?
Python
Nodemon
pip 10 and apt: how to avoid "Cannot uninstall X" errors for distutils packages
Python
Docker
Pip
Distutils
Apt
Unable to get local issuer certificate when using requests in python
Python
Python Requests
Deprecation status of the NumPy matrix class
Python
Numpy
Matrix
Deprecated
Numpy Ndarray
PIL TypeError: Cannot handle this data type
Python
Python Imaging-Library
How do I get the value of a tensor in PyTorch?
Python
Pytorch
Tensor
Generate list of numbers and their negative counterparts in Python
Python
Python 3.x
Could not build wheels since package wheel is not installed
Python
Ubuntu 18.04
Python Wheel
How to import requirements.txt from an existing project using Poetry
Python
Pip
Python Poetry
How did print(*a, a.pop(0)) change?
Python
How to bundle a Python application including dependencies?
Python
Tkinter
Packaging
Python: SWIG vs ctypes
Python
C++
Swig
Ctypes
Ffi
How to copy all properties of an object to another object, in Python?
Python
Does python optimize modules when they are imported multiple times?
Python
Python Import
print the code which defined a lambda function
Python
log4j with timestamp per log entry
Java
Python
Log4j
Jython
JavaScript parser in Python
Javascript
Python
Parsing
Compiler Construction
Reserve memory for list in Python?
Python
Performance
Arrays
Memory Management
List
How to print original variable's name in Python after it was returned from a function?
Python
Variables
Django vs other Python web frameworks?
Python
Django
Wsgi
Web Frameworks
Turbogears
Dictionary to lowercase in Python
Python
Dictionary
Lowercase
How can I tell if a python variable is a string or a list?
Python
List
Duck Typing
Windows cmd encoding change causes Python crash
Python
Windows
Unicode
Encoding
Cmd
Dynamic loading of python modules
Python
Dynamic
Python Import
How to use Win32 API with Python?
Python
Winapi
Api
find length of sequences of identical values in a numpy array (run length encoding)
Python
Matlab
Numpy
Matplotlib
Using Python from within Java
Java
Python
Jython
Rpc
How to adjust the quality of a resized image in Python Imaging Library?
Python
Python Imaging-Library
multiple django sites with apache & mod_wsgi
Python
Django
Apache2
Hosting
Mod Wsgi
Why can't I join this tuple in Python?
Python
Tuples
Reverse for '*' with arguments '()' and keyword arguments '{}' not found
Python
Django
Django Templates
What is the true difference between a dictionary and a hash table?
Python
Data Structures
Hash
Dictionary
Hashtable
Are Python built-in containers thread-safe?
Python
Thread Safety
Django, template context processors
Python
Django
Django Templates
What exactly does "import *" import?
Python
Namespaces
Python Import
Which key/value store is the most promising/stable?
Python
Ruby
Database
Comparison
How can I show figures separately in matplotlib?
Python
Matplotlib
pip requirements.txt with alternative index
Python
Pip
Pypi
Copying nested lists in Python
Python
List
Copy
Deep Copy
How can I bundle other files when using cx_freeze?
Python
Distutils
Cx Freeze
Hidden features of PyCharm
Python
Pycharm
Python lookup hostname from IP with 1 second timeout
Python
Dns
Hostname
Nameservers
How does polymorphism work in Python?
Python
Polymorphism
Python daylight savings time
Python
Time
Dst
How to TRUNCATE TABLE using Django's ORM?
Python
Sql
Django
Orm
Truncate
How do I display tooltips in Tkinter?
Python
Tkinter
Tooltip
Numpy minimum in (row, column) format
Python
Arrays
Numpy
Minimum
How to transform negative elements to zero without a loop?
Python
Numpy
How to update the image of a Tkinter Label widget?
Python
Python 2.7
Tkinter
Python Imaging-Library
Python sum, why not strings?
Python
Types
Sum
Built In
threading ignores KeyboardInterrupt exception
Python
Multithreading
Events
Exception
Keyboardinterrupt
How to write bytes to a file in Python 3 without knowing the encoding?
Python
Io
Python 3.x
Executing "SELECT ... WHERE ... IN ..." using MySQLdb
Python
Mysql
Python regex to match dates
Python
Regex
Date
Easiest way to ignore blank lines when reading a file in Python
Python
Interesting 'takes exactly 1 argument (2 given)' Python error
Python
How to clone a Python generator object?
Python
Object
Clone
Generator
Scrapy - how to manage cookies/sessions
Python
Session
Cookies
Session Cookies
Scrapy
finding elements by attribute with lxml
Python
Attributes
Find
Lxml
Get date object for the first/last day of the current year
Python
Date
How can I rewrite python __version__ with git?
Python
Git
Python - Avoid passing logger reference between functions?
Python
Logging
Python MySql Insert not working
Python
Mysql
selecting attribute values from lxml
Python
Python 2.7
Attributes
Lxml
Python: Cut off the last word of a sentence?
Python
Split
Concatenation
Word
Text Segmentation
Making a POST call instead of GET using urllib2
Python
Urllib2
Urllib
How can I produce a human readable difference when subtracting two UNIX timestamps using Python?
Python
Time
Formatting
InterfaceError (0, '')
Python
Mysql
Django
"or die()" in Python
Python
Python, how to read bytes from file and save it?
Python
What is 'print' in Python?
Python
automatically position text box in matplotlib
Python
Textbox
Matplotlib
Find the min/max excluding zeros in a numpy array (or a tuple) in python
Python
Numpy
What is the difference between semicolons in JavaScript and in Python?
Javascript
Python
Syntax
Tree plotting in Python
Python
Plot
Tree
Data Visualization
Visualization
Get .wav file length or duration
Python
Audio
Can I access ImageMagick API with Python?
Python
Imagemagick
Image Manipulation
Ctypes
Python argparse and bash completion
Python
Argparse
Bash Completion
Python dictionary : TypeError: unhashable type: 'list'
Python
Hash
Dictionary
pythonic way to iterate over part of a list
Python
List
Iteration
Retain all entries except for one key python
Python
Is Django for the frontend or backend?
Python
Django
Architecture
Using Google OAuth2 with Flask
Python
Oauth
Oauth 2.0
Flask
How to easily print ascii-art text?
Python
User Interface
Text
Command Line
Logging
PyCharm. /usr/bin/python^M: bad interpreter
Python
Interpreter
Eof
Pycharm
Why is matrix multiplication faster with numpy than with ctypes in Python?
Python
C
Benchmarking
Matrix Multiplication
How does Python importing exactly work?
Python
Import
Module
Trim whitespace using PIL
Python
Imagemagick
Python Imaging-Library
Conditionally fill column values based on another columns value in pandas
Python
Python 3.x
Pandas
Dataframe
Numpy
Adding a module (Specifically pymorph) to Spyder (Python IDE)
Python
Import
Module
Easy Install
Spyder
What is the fastest way to flatten arbitrarily nested lists in Python?
Python
Algorithm
Optimization
String literal with triple quotes in function definitions
Python
String
Literals
How to group DataFrame by a period of time?
Python
Pandas
ImportError: No module named Cython.Distutils
Python
Importerror
Enthought
How to properly use python's isinstance() to check if a variable is a number?
Python
Python 2.5
Pep8
drop trailing zeros from decimal
Python
Decimal
Store different datatypes in one NumPy array?
Python
Arrays
Types
Numpy
How to output to the console and file?
Python
How to specify version ranges in install_requires (setuptools, distribute)
Python
Setuptools
How to determine whether a year is a leap year?
Python
How to use nose's assert_raises?
Python
Nosetests
Django Aggregation: Summation of Multiplication of two fields
Python
Django
Django Models
Django Queryset
Django Orm
How to delete Tkinter widgets from a window?
Python
Tkinter
Links between IPython notebooks
Python
Ipython
Numpy integer nan
Python
Numpy
Integer
Nan
Big-O of list slicing
Python
List
Big O
Reading rows from a CSV file in Python
Python
Csv
AttributeError: 'module' object (scipy) has no attribute 'misc'
Python
Scipy
How to dynamically select template directory to be used in flask?
Python
Flask
Jinja2
What is the correct way to leave gunicorn running?
Python
Nginx
Flask
Gunicorn
CSS Problems with Flask Web App
Python
Css
Flask
split byte string into lines
Python
Python 3.x
Converting integer to digit list
Python
List
Integer
Type Conversion
How do I write Flask's excellent debug log message to a file in production?
Python
Logging
Flask
Pytest and Python 3
Python
Python 3.x
Pytest
setup.py: renaming src package to project name
Python
Python 2.7
Distutils
Difference between tuples and frozensets in Python
Python
Data Structures
Set
Tuples
How to get the last exception object after an error is raised at a Python prompt?
Python
Exception
Try Catch
Read Eval-Print-Loop
What is the difference between rb and r+b modes in file objects
Python
File
File Io
Pickle
x, = ... - is this trailing comma the comma operator?
Python
Matplotlib
Tuples
Connect to a Database in Flask, Which Approach is better?
Python
Sqlite
Flask
Custom Authentication for Google Cloud Endpoints (instead of OAuth2)
Python
Google App-Engine
Google Cloud-Endpoints
Changing the text on a label
Python
Python 3.x
Tkinter
Read Bash variables into a Python script
Python
Bash
Scripting
Environment Variables
Django - Get only date from datetime.strptime
Python
Django
Datetime
set difference for pandas
Python
Pandas
Dataframe
Python unicode equal comparison failed
Python
Unicode
Python3 subprocess output
Python
Python 3.x
Subprocess
Eliminating all data over a given percentile
Python
Pandas
Filtering
Percentile
Summing the contents of two collections.Counter() objects
Python
Counter
Django REST Framework serializer field required=false
Python
Django
Rest
Django Rest-Framework
python: changes to my copy variable affect the original variable
Python
ImportError: DLL load failed: The specified module could not be found
Python
Numpy
Matplotlib
python logging file is not working when using logging.basicConfig
Python
Logging
pandas : update value if condition in 3 columns are met
Python
Pandas
how to get access to error message from abort command when using custom error handler
Python
Http
Flask
Http Error
Flask jsonify a list of objects
Python
Json
Serialization
Flask
High Memory Usage Using Python Multiprocessing
Python
Performance
Memory
Multiprocessing
Improving Python NetworkX graph layout
Python
Networkx
Get total physical memory in Python
Python
Linux
Memory
Plotting a decision boundary separating 2 classes using Matplotlib's pyplot
Python
Numpy
Matplotlib
How to assign a NULL value to a pointer in python?
Python
Python webbrowser.open() to open Chrome browser
Python
Python 3.x
How to get the numerical fitting results when plotting a regression in seaborn?
Python
Seaborn
Django Get All Users
Python
Django
python object() takes no parameters error
Python
django-admin.py makemessages not working
Python
Django
Homebrew
Gettext
matplotlib colorbar in each subplot
Python
Matplotlib
Colorbar
Getting affected row count from psycopg2 connection.commit()
Python
Psycopg2
pytz - Converting UTC and timezone to local time
Python
Timezone
Utc
Pytz
How do I log from my Python Spark script
Python
Logging
Apache Spark
Python Argparse conditionally required arguments
Python
Argparse
Getting wider output in PyCharm's built-in console
Python
Pandas
Ipython
Pycharm
Python slow read performance issue
Python
Performance
Perl
Io
OperationalError, no such column. Django
Python
Django
Django Rest-Framework
How to multiply all integers inside list
Python
List
Multiplication
Scalar
Elementwise Operations
How can I get 2.x-like sorting behaviour in Python 3.x?
Python
Python 3.x
Sorting
Python 2.x
How to make a set of lists
Python
List
Set
Running cron python jobs within docker
Python
Cron
Docker
Python glob but against a list of strings rather than the filesystem
Python
Regex
Python 2.7
Glob
Python: Import And Initialize Argparse After if __name__ == '__main__'?
Python
Scripting
zip file and avoid directory structure
Python
Zip
Convert BytesIO into File
Python
Declaring a multi dimensional dictionary in python
Python
Dictionary
Pandas create new column with count from groupby
Python
Pandas
splitting at underscore in python and storing the first value
Python
Pandas
What's the correct way to clean up after an interrupted event loop?
Python
Python 3.4
Python Asyncio
How to remove all characters before a specific character in Python?
Python
String
Replace
Force django-admin startproject if project folder already exists
Python
Django
Django Admin
Using Merge on a column and Index in Pandas
Python
Python 2.7
Pandas
Merge
Rotate tick labels for seaborn barplot
Python
Matplotlib
Seaborn
Reverting from multiindex to single index dataframe in pandas
Python
Pandas
Sqlalchemy if table does not exist
Python
Sqlalchemy
Is Tensorflow compatible with a Windows workflow?
Python
Windows
Tensorflow
Error in Reading a csv file in pandas[CParserError: Error tokenizing data. C error: Buffer overflow caught - possible malformed input file.]
Python
Csv
Pandas
Cannot import name _uuid_generate_random in heroku django
Python
Django
Heroku
Celery
Apache Spark -- Assign the result of UDF to multiple dataframe columns
Python
Apache Spark
Pyspark
Apache Spark-Sql
User Defined-Functions
Name not defined in type annotation
Python
Python 3.x
Type Hinting
Python Typing
Pyspark replace strings in Spark dataframe column
Python
Apache Spark
Pyspark
Choice made by Python 3.5 to choose the keys when comparing them in a dictionary
Python
Dictionary
How to remove a pandas dataframe from another dataframe
Python
Pandas
Dataframe
Subtraction
When I use matplotlib in jupyter notebook,it always raise " matplotlib is currently using a non-GUI backend" error?
Python
Matplotlib
Jupyter Notebook
Retrieve top n in each group of a DataFrame in pyspark
Python
Apache Spark
Dataframe
Pyspark
Apache Spark-Sql
convert a grayscale image to a 3-channel image
Python
Numpy
No such file or directory: 'geckodriver' for a simple Selenium application in Python
Python
Selenium
Is there a way to suppress the messages TensorFlow prints?
Python
Tensorflow
Why is Django throwing error "DisallowedHost at /"?
Python
Django
Django Settings
Windows- Pyinstaller Error "failed to execute script " When App Clicked
Python
Windows
Tkinter
Pyinstaller
Python pandas convert datetime to timestamp effectively through dt accessor
Python
Datetime
Pandas
Timestamp
NameError: name 'request' is not defined
Python
Flask
How can I rotate xticklabels in matplotlib so that the spacing between each xticklabel is equal?
Python
Matplotlib
Plot
Label
Python multiprocessing.Queue vs multiprocessing.manager().Queue()
Python
Queue
Multiprocessing
Python Multiprocessing
What does sudo -H do?
Python
Terminal
Pip
Virtualenv
Sudo
Pandas in AWS lambda gives numpy error
Python
Pandas
Numpy
Amazon S3
Aws Lambda
TensorFlow: Blas GEMM launch failed
Python
Tensorflow
Keras
Blas
How to completely uninstall python 2.7.13 on Ubuntu 16.04
Python
Python 2.7
Ubuntu
Ubuntu 16.04
How define constructor implementation for an Abstract Class in Python?
Python
Python 2.7
Oop
Abstract Class
Why doesn't Python have switch-case?
Python
Switch Statement
Correct Type annotation for __init__
Python
Python 2.7
Typing
How to edit and save text files (.py) in Google Colab?
Python
Jupyter Notebook
Google Colaboratory
How to convert bytes type to dictionary?
Python
String
Dictionary
Tensorflow: How do I convert a EagerTensor into a numpy array?
Python
Tensorflow
How to setup a pipenv Python 3.6 project if OS Python version is 3.5?
Python
Pipenv
Celery AttributeError: async error
Python
Celery
Celery Task
Feature/Variable importance after a PCA analysis
Python
Machine Learning
Scikit Learn
Pca
Feature Selection
Difference between auto_now and auto_now_add
Python
Django
Django Models
Django Forms
Django Templates
How do I operate on a DataFrame with a Series for every column?
Python
Pandas
Tqdm 4.28.1 in Jupyter Notebook "IntProgress not found. Please update jupyter and ipywidgets."
Python
Jupyter Notebook
Tqdm
Want to find contours -> ValueError: not enough values to unpack (expected 3, got 2), this appears
Python
Python 3.x
Opencv Contour
Python - Activate conda env through shell script
Python
Bash
Shell
Conda
Is there a Pathlib alternate for os.path.join?
Python
Python 3.x
Pathlib
Python 3.7 Error: Unsupported Pickle Protocol 5
Python
Pickle
find_element_by_* commands are deprecated in selenium
Python
Selenium
Selenium Webdriver
Webdriver
Findelement
ImportError: cannot import name 'url' from 'django.conf.urls' after upgrading to Django 4.0
Python
Django
Django Urls
Django 4.0
Python debugger: Stepping into a function that you have called interactively
Python
Debugging
Pdb
python properties and inheritance
Python
Inheritance
Properties
Polymorphism
Capitalize a string
Python
String
How to call an external program in python and retrieve the output and return code?
Python
Return Value
External Process
Why can't environmental variables set in python persist?
Python
Persistence
Environment Variables
Getting file path of imported module
Python
Overriding a static method in python
Python
Static
Overriding
python and sys.argv
Python
Python JSON encoding
Python
Json
Encoding
Types
Simplejson
What is the oldest time that can be represented in Python?
Python
Python 3.x
Is it true that I can't use curly braces in Python?
Python
How do nested functions work in Python?
Python
Function
Nested
Closures
Nested Function
How do I correctly install dulwich to get hg-git working on Windows?
Python
Windows
Mercurial
Hg Git
Dulwich
What is the purpose of subclassing the class "object" in Python?
Python
Object
Deprecated
Future Proof
New Style-Class
How can I select all rows with sqlalchemy?
Python
Sqlalchemy
Pylons
Cannot find vcvarsall.bat when running a Python script
Python
Visual Studio-2010
Background color for Tk in Python
Python
Tkinter
Tk
How to stream an HttpResponse with Django
Python
Django
Streaming
Confused, are languages like python, ruby single threaded? unlike say java? (for web apps)
Java
Python
Ruby
Multithreading
Python getattr equivalent for dictionaries?
Python
compiling vim with python support
Python
Vim
Can I get a reference to a Python property?
Python
Properties
How to compare dates in Django templates
Python
Django
Django Templates
"chunksize" parameter in multiprocessing.Pool.map
Python
Multiprocessing
How to get the duration of a video in Python?
Python
Video
Running "unique" tasks with celery
Python
Django
Celery
Python ternary operator
Python
On linux SUSE or RedHat, how do I load Python 2.7
Python
Linux
Rhel
Suse
how to have a directory dialog
Python
Pyqt
Pyqt4
File Browser
How do I return a 401 Unauthorized in Django?
Python
Django
Python virtualenv questions
Python
Windows
Linux
Virtualenv
why do we invoke print after importing print_function (in Python 2.6)
Python
Import
abstract test case using python unittest
Python
Unit Testing
Testcase
Optimising Python dictionary access code
Python
Optimization
Dictionary
Sparse Matrix
`python -m unittest discover` does not discover tests
Python
Unit Testing
Nose
Unittest2
list to dictionary conversion with multiple values per key?
Python
List
Dictionary
Type Conversion
Can I combine two decorators into a single one in Python?
Python
Decorator
How to tell if a date is between two other dates?
Python
Compare
Date
Add 'decimal-mark' thousands separators to a number
Python
Format
Locale
Number Formatting
Digit Separator
How do I compile a PyQt script (.py) to a single standalone executable file for windows (.exe) and/or linux?
Python
Qt4
Compilation
Executable
Pyqt4
Why is Python easy_install not working on my Mac?
Python
Macos
Easy Install
Python package structure, setup.py for running unit tests
Python
Testing
Setuptools
SQLAlchemy - subquery in a WHERE clause
Python
Sqlalchemy
Subquery
Dictionary merge by updating but not overwriting if value exists
Python
Dictionary
Merge
Compare
How do I print out the contents of my settings in a django shell?
Python
Django
How can I call (Iron)Python code from a C# app?
C#
Python
Ironpython
Get the column names of a python numpy ndarray
Python
Arrays
Numpy
Names
Check if a process is running or not on Windows?
Python
Windows
Python 2.7
Is there a way to "compile" Python code onto an Arduino (Uno)?
Python
Arduino
Pyserial
Parallel Coordinates plot in Matplotlib
Python
Matplotlib
Parallel Coordinates
Numpy: For every element in one array, find the index in another array
Python
Arrays
Search
Numpy
Indexing
How to make python on Heroku https only?
Python
Django
Ssl
Https
Heroku
How do I create a new database in MongoDB using PyMongo?
Python
Mongodb
Pymongo
Matplotlib: avoiding overlapping datapoints in a "scatter/dot/beeswarm" plot
Python
Matplotlib
Charts
Seaborn
Swarmplot
Convert ndarray from float64 to integer
Python
Numpy
Scipy
What hash algorithm does Python's dictionary mapping use?
Python
Hashmap
Python requests exception handling
Python
Exception
Http Request
Python Requests
Setting up Vim for Python
Python
Vim
Indentation
Find "home directory" in Python?
Python
Linux
Map list item to function with arguments
Python
Using a variable while calling logger.setLevel
Python
Logging
How to run an IPython magic from a script (or timing a Python script)
Python
Ipython
Upgrade python without breaking yum
Python
Centos
Yum
Extracting first n columns of a numpy matrix
Python
Numpy
Pandas DataFrame Add column to index without resetting
Python
Dataframe
Pandas
Restart python-script from within itself
Python
How do I set proxy for chrome in python webdriver?
Python
Google Chrome
Proxy
Webdriver
Sort by multiple keys using different orderings
Python
Python 3.x
When does the App Engine scheduler use a new thread vs. a new instance?
Python
Google App-Engine
Can I set a header with python's SimpleHTTPServer?
Python
Cross Domain
Simplehttpserver
Converting YAML file to python dict
Python
Data Structures
Dictionary
Yaml
Using an attribute of the current class instance as a default value for method's parameter
Python
Function
Default
Default Parameters
How to extend an array in-place in Numpy?
Python
Arrays
Numpy
Scipy
In Flask convert form POST object into a representation suitable for mongodb
Python
Mongodb
Post
Flask
Pymongo
Reading Unicode file data with BOM chars in Python
Python
Unicode
Unit Test not running
Python
Unit Testing
Iterate over individual bytes in Python 3
Python
Python 3.x
making matplotlib graphs look like R by default?
Python
R
Matplotlib
Plot
Pandas
How to Fix Python Nose: Coverage not available: unable to import coverage module
Python
Nose
coverage.py
Python Coverage
Python - How can I pad a string with spaces from the right and left?
Python
String
How to import a Python module from a sibling folder?
Python
Import
Module
Relative Path
Passing double quote shell commands in python to subprocess.Popen()?
Python
Subprocess
Choose a file starting with a given string
Python
File
How to match a whole word with a regular expression?
Python
Regex
Get seconds since midnight in Python
Python
Date
Datetime
Releasing memory of huge numpy array in IPython
Python
Memory Management
Numpy
Ipython
Converting string to tuple without splitting characters
Python
List
Python 2.7
Python 3.x
Tuples
numpy vstack vs. column_stack
Python
Numpy
How to insert pandas dataframe via mysqldb into database?
Python
Mysql
Pandas
Mysql Python
How to make SQLAlchemy in Tornado to be async?
Python
Python 2.7
Sqlalchemy
Tornado
In Flask: How to access app Logger within Blueprint
Python
Logging
Flask
Python: slicing a multi-dimensional array
Python
Arrays
Numpy
Can you perform multi-threaded tasks within Django?
Python
Django
Multithreading
How to pass dictionary as command line argument to Python script?
Python
Python 2.7
Command Line
pandas.read_csv: how to skip comment lines
Python
Pandas
Python Metaclass : Understanding the 'with_metaclass()'
Python
Metaclass
Six Python
Accepting a dictionary as an argument with argparse and python
Python
Dictionary
Argparse
How to plot a wav file
Python
Audio
Matplotlib
How to escape special characters of a string with single backslashes
Python
Nginx
Escaping
Numpy extract submatrix
Python
Numpy
How to (intermittently) skip certain cells when running IPython notebook?
Python
Ipython
Ipython Notebook
Ipython Magic
Pandas DataFrames with NaNs equality comparison
Python
Pandas
Equality
Nan
How to set default text for a Tkinter Entry widget
Python
Python 3.x
Python 2.7
User Interface
Tkinter
Filter Pandas DataFrame by time index
Python
Pandas
pandas comparison raises TypeError: cannot compare a dtyped [float64] array with a scalar of type [bool]
Python
Pandas
Typeerror
Dataframe
Cleanest way to hide every nth tick label in matplotlib colorbar?
Python
Matplotlib
User Authentication in Django Rest Framework + Angular.js web app
Python
Django
Angularjs
Authentication
Django Rest-Framework
Computing diffs within groups of a dataframe
Python
Pandas
Should all member variables be initialized in __init__
Python
Oop
Instance Variables
Not all parameters were used in the SQL statement (Python, MySQL)
Python
Mysql
Sql
Changing the referer URL in python requests
Python
Python 2.7
Python Requests
Referer
Using IntellijIdea within an existing virtualenv
Python
Django
Intellij Idea
Virtualenv
Pycharm
How to hide ticks label in python but keep the ticks in place?
Python
Matplotlib
Axis
Labels
What does a colon and comma stand in a python list?
Python
Numpy
Multiple plots in one figure in Python
Python
Matplotlib
Plot
scikit-learn cross validation, negative values with mean squared error
Python
Regression
Scikit Learn
Cross Validation
Changing hostname in a url
Python
Url
How do I download NLTK data?
Python
Nltk
Efficiently select rows that match one of several values in Pandas DataFrame
Python
Pandas
Using BeautifulSoup to extract text without tags
Python
Web Scraping
Beautifulsoup
Pandas equivalent of Oracle Lead/Lag function
Python
Pandas
How to include a local table of contents into Sphinx doc?
Python
Python Sphinx
Restructuredtext
Tableofcontents
Can't load Python modules installed via pip from site-packages directory
Python
Macos
Bash
Module
Evernote
Attaching a process with pdb
Python
Debugging
Pdb
merging dictionaries in ansible
Python
Dictionary
Merge
Ansible
Django testing model with ImageField
Python
Django
Testing
Mocking
Why can't Python import Image from PIL?
Python
Python Imaging-Library
Importerror
Python Import
Pillow
Import psycopg2 Library not loaded: libssl.1.0.0.dylib
Python
Database
Postgresql
Python 2.7
Postgresql 9.3
Python boto, list contents of specific dir in bucket
Python
Amazon S3
Boto
Run code after flask application has started
Python
Flask
Flask Script
Python/Selenium incognito/private mode
Python
Selenium
Browser
Selenium Webdriver
Incognito Mode
numpy.sin function in degrees?
Python
Math
Numpy
Trigonometry
Run multiple python scripts concurrently
Python
Linux
Shell
In Python how to obtain a partial view of a dict?
Python
Python 2.7
Dictionary
What is the difference between .one() and .first()
Python
Sqlalchemy
Flask Sqlalchemy
Normalize numpy array columns in python
Python
Numpy
Normalize
How to get every first element in 2 dimensional list
Python
List
Multidimensional Array
Seaborn load_dataset
Python
Boxplot
Seaborn
Iterate through dictionary values?
Python
Python 3.x
Loops
Dictionary
Key Value
Panda's Write CSV - Append vs. Write
Python
Csv
Pandas
Python multi-line with statement
Python
Python 3.x
Multiline
With Statement
Get total number of hours from a Pandas Timedelta?
Python
Python 3.x
Pandas
Datetime
Return copy of dictionary excluding specified keys
Python
Dictionary
Key
Dictionary Comprehension
patching a class yields "AttributeError: Mock object has no attribute" when accessing instance attributes
Python
Unit Testing
Attributes
Mocking
Python Unittest
How do I add a title and axis labels to Seaborn Heatmap?
Python
Pandas
Jupyter Notebook
Seaborn
how to put an Item in aws DynamoDb using aws Lambda with python
Python
Python 2.7
Aws Lambda
Amazon Dynamodb
iPython Code Completion / Intellisense on Dot Possible?
Python
Ipython
how to add a coroutine to a running asyncio loop?
Python
Python 3.x
Asynchronous
Python Asyncio
How to plot multiple Seaborn Jointplot in Subplot
Python
Python 3.x
Pandas
Matplotlib
Seaborn
pandas: how to run a pivot with a multi-index?
Python
Pandas
Pivot
Multi Index
pandas - Merge nearly duplicate rows based on column value
Python
Pandas
Django download a file
Python
Django
Intel MKL FATAL ERROR: Cannot load libmkl_avx2.so or libmkl_def.so
Python
Anaconda
Intel Mkl
how to replace an entire column on Pandas.DataFrame
Python
Pandas
Object of type 'map' has no len() in Python 3
Python
Python 3.x
Variable Length
Beautifulsoup : Difference between .find() and .select()
Python
Python 3.x
Beautifulsoup
Plotting multiple different plots in one figure using Seaborn
Python
Matplotlib
Seaborn
Why do some built-in Python functions only have pass?
Python
Pycharm
Standard Library
C Standard-Library
TfidfVectorizer in scikit-learn : ValueError: np.nan is an invalid document
Python
Pandas
Machine Learning
Scikit Learn
Tf Idf
list memory usage in ipython and jupyter
Python
Numpy
Memory
Ipython
Jupyter Notebook
AttributeError: module 'urllib' has no attribute 'parse'
Python
Urllib
Python 3.5
What does the "fit" method in scikit-learn do?
Python
Machine Learning
Scikit Learn
Keras ValueError: Input 0 is incompatible with layer conv2d_1: expected ndim=4, found ndim=5
Python
Tensorflow
Deep Learning
Keras
Conv Neural-Network
Difference between pip install options "ignore-installed" and "force-reinstall"
Python
Pip
Pypi
How to convert dataframe to dictionary in pandas WITHOUT index
Python
Pandas
Dictionary
Dataframe
How to understand numpy strides for layman?
Python
Numpy
Scipy
Stride
Unexpected behaviour with a conditional generator expression
Python
Generator
Variable Assignment
Generator Expression
AttributeError: type object 'Callable' has no attribute '_abc_registry'
Python
Macos
Jupyter
Python 3.7
RuntimeError: tf.placeholder() is not compatible with eager execution
Python
Python 3.x
Tensorflow
tensorflow2.0
Using a pip cache directory in docker builds
Python
Docker
Caching
Pip
Continuous Integration
Efficient way to remove half of the duplicate items in a list
Python
Algorithm
WARNING: Ignoring invalid distribution -ip (c:\python39\lib\site-packages) How do I fix this and what does it mean?
Python
Python 3.x
Pip
Jupyter Notebook
Conda
Function to make a list as unsorted as possible
Python
Algorithm
Sorting
Drag and drop onto Python script in Windows Explorer
Python
Windows
Drag and-Drop
Windows Explorer
Extension methods in Python
Python
Function
Extension Methods
Function to determine if two numbers are nearly equal when rounded to n significant decimal digits
Python
Math
Floating Point
Numpy
What's the simplest way to extend a numpy array in 2 dimensions?
Python
Arrays
Math
Numpy
Django persistent database connection
Python
Database
Django
Mod Wsgi
Persistent
Distributing my Python scripts as JAR files with Jython?
Python
Jython
Executable Jar
How can I tell whether my Django application is running on development server or not?
Python
Django
Wsgi
Efficiency of using a Python list as a queue
Python
List
Memory Leaks
Threaded Django task doesn't automatically handle transactions or db connections?
Python
Database
Django
Multithreading
Transactions
Is there a good Python library that can parse C++?
C++
Python
Passing Python Data to JavaScript via Django
Javascript
Python
Django
How to get the range of valid Numpy data types?
Python
Numpy
Types
Checking if a postgresql table exists under python (and probably Psycopg2)
Python
Postgresql
Psycopg2
How can I auto-populate a PDF form in Django/Python?
Python
Django
Parsing HTML in python - lxml or BeautifulSoup? Which of these is better for what kinds of purposes?
Python
Beautifulsoup
Html Parsing
Lxml
Is it possible to add PyQt4/PySide packages on a Virtualenv sandbox?
Python
Pyqt4
Virtualenv
Pyside
Efficient way to either create a list, or append to it if one already exists?
Python
List
Python and SQLite: insert into table
Python
Sqlite
List
Insert
What does `**` mean in the expression `dict(d1, **d2)`?
Python
Syntax
Dictionary
Operators
Set Operations
Expire a view-cache in Django?
Python
Django
Caching
Inserting an item in a Tuple
Python
Insert
Tuples
How to plot the lines first and points last in matplotlib
Python
Matplotlib
How can I check for unused import in many Python files?
Python
Displaying a webcam feed using OpenCV and Python
Python
Opencv
Webcam
Python package name conventions
Python
Naming Conventions
Namespaces
Packages
SQLAlchemy DetachedInstanceError with regular attribute (not a relation)
Python
Sqlalchemy
Subclassing int in Python
Python
Inheritance
Subclass
Python 2.5
Limit number of characters with Django Template filter
Python
Django
Django Templates
Python: 'Private' module in a package
Python
Python Module
Sharing a complex object between processes?
Python
Process
Multiprocessing
Sharing
Iterate a certain number of times without storing the iteration number anywhere
Python
Loops
Range
Practical example of Polymorphism
Python
Oop
Polymorphism
Why does "python setup.py sdist" create unwanted "PROJECT-egg.info" in project root directory?
Python
Setuptools
Distutils
Distribute
setup.py
How to change a widget's font style without knowing the widget's font family/size?
Python
User Interface
Fonts
Tkinter
How to close a thread from within?
Python
Multithreading
Why truncate when we open a file in 'w' mode in python
Python
Web scraping - how to identify main content on a webpage
Python
Web Scraping
Html Parsing
Webpage
Can Python's unittest test in parallel, like nose can?
Python
Unit Testing
Merge lists that share common elements
Python
List
Merge
Boolean Expression
Connected Components
how to query seed used by random.random()?
Python
Random
Seed
Using the multiprocessing module for cluster computing
Python
Parallel Processing
Multiprocessing
Using Basic HTTP access authentication in Django testing framework
Python
Django
Unit Testing
Http Authentication
Django Testing
How can I insert NULL data into MySQL database with Python?
Python
Mysql
How can I insert data into a MySQL database?
Python
Mysql
Removing elements that have consecutive duplicates
Python
List
Duplicates
How to extract HTTP message body in BaseHTTPRequestHandler.do_POST()?
Python
Http
Post
Basehttpserver
Basehttprequesthandler
Python 'self' keyword
Python
how to stop a for loop
Python
Celery task that runs more tasks
Python
Django
Task
Celery
python mkdir to make folder with subfolder?
Python
Operating System
Directory
Mkdir
importing multiple functions from a Python module
Python
Coding Style
Import
Overriding properties in python
Python
Inheritance
Properties
Overriding
Vim autocomplete for Python
Python
Vim
try / else with return in try block
Python
Exception Handling
How to extract parameters from a list and pass them to a function call
Python
List
Argument Unpacking
Python: get datetime of last hour
Python
Datetime
Hour
sqlite3.OperationalError: unable to open database file
Python
Database
Django
Sqlite
Django Settings
Python: Get URL path sections
Python
Url
How to plot a gradient color line in matplotlib?
Python
Matplotlib
Gradient
python: [Errno 10054] An existing connection was forcibly closed by the remote host
Python
Twitter
Web Crawler
What is the difference between class and instance variables?
Python
Class
Variables
Self
SQLAlchemy cannot find a class name
Python
Sqlalchemy
Pyramid
Relationships
What is the meaning of curly braces?
Python
Curly Braces
Parentheses
Braces
Assign value to an individual cell in a two dimensional python array
Python
Arrays
List
Setting a default value in sqlalchemy
Python
Sqlalchemy
Python: delete element from heap
Python
Heap
"sys.getsizeof(int)" returns an unreasonably large value?
Python
Setting options from environment variables when using argparse
Python
Argparse
Does Python have a built-in function for unindenting a multiline string?
Python
String
Indentation
Retrieving Data from SQL Using pyodbc
Python
Sql
Sql Server
Pyodbc
How to specify python requests http put body?
Python
Http
Put
Httplib2
Python Requests
How to automatically destroy django test database
Python
Database
Django
Testing
Hudson
'order' of unordered Python sets
Python
Python Internals
How to obtain sheet names from XLS files without loading the whole file?
Python
Excel
Pandas
Xlrd
Convert timestamp since epoch to datetime.datetime
Python
Python class static methods
Python
Static
Regular expression usage in glob.glob?
Python
Glob
How can I use io.StringIO() with the csv module?
Python
Csv
Unicode
Python 2.7
2d array of zeros
Python
Python dynamic function creation with custom names
Python
Python 2.7
Closures
Metaprogramming
Dynamic Function
Typing Greek letters etc. in plots
Python
Matplotlib
List of all unique characters in a string?
Python
Performance
Data Structures
Is there a GUI design app for the Tkinter / grid geometry?
Python
Grid
Tkinter
How to easily distribute Python software that has Python module dependencies? Frustrations in Python package installation on Unix
Python
Pip
Setuptools
Python Packaging
Distribute
matplotlib has no attribute 'pyplot'
Python
Matplotlib
How to access sparse matrix elements?
Python
Scipy
How to create a temporary file that can be read by a subprocess?
Python
Windows
Temporary Files
Understanding the set() function
Python
Set
numpy.unique with order preserved
Python
Numpy
Prettier default plot colors in matplotlib
Python
Matplotlib
coercing to Unicode: need string or buffer, NoneType found when rendering in django admin
Python
Django
Django Admin
Django DetailView - how to use 'request' in get_context_data
Python
Django
string representation of a numpy array with commas separating its elements
Python
Numpy
Python Count Elements in a List of Objects with Matching Attributes
Python
List
Object
Attributes
Count
Matplotlib plot is a no-show
Python
Matplotlib
Pandas
How to find the corresponding class in clf.predict_proba()
Python
Machine Learning
Scikit Learn
Removing non numeric characters from a string
Python
Python 3.x
Python 3.3
How to split data into trainset and testset randomly?
Python
File Io
Python post osx notification
Python
Macos
Osx Mavericks
Moving up one directory in Python
Python
Directory
Is there a way to use Python unit test assertions outside of a TestCase?
Python
Unit Testing
Efficient calculation of Fibonacci series
Python
Performance
Algorithm
Fibonacci
Is the Session object from Python's Requests library thread safe?
Python
Thread Safety
Connection Pooling
Python Requests
Python copy files to a new directory and rename if file name already exists
Python
Copy
Duplicates
Directory
Python send UDP packet
Python
Sockets
Pretty JSON Formatting in IPython Notebook
Python
Json
Ipython Notebook
IPython Notebook Multiple Checkpoints
Python
Ipython Notebook
Creating seed data in a flask-migrate or alembic migration
Python
Flask
Flask Sqlalchemy
Alembic
Flask Migrate
Enforcing python version in setup.py
Python
Python 2.7
Setuptools
What's the exact usage of __reduce__ in Pickler
Python
Pickle
Python : Trying to POST form using requests
Python
Python Requests
python mocking raw input in unittests
Python
Unit Testing
Mocking
error: could not create '/usr/local/lib/python2.7/dist-packages/virtualenv_support': Permission denied
Python
Ubuntu 12.04
Virtualenv
Pip
How can I repeat each test multiple times in a py.test run?
Python
Pytest
Python: Random selection per group
Python
Random
Pandas
str.translate gives TypeError - Translate takes one argument (2 given), worked in Python 2
Python
Nltk
Typeerror
How to convert a list to a list of tuples?
Python
List
Tuples
Pandas Dataframe: split column into multiple columns, right-align inconsistent cell entries
Python
Split
Pandas
Is there "Edit and Continue" in PyCharm? Reload code into running program like in Eclipse / PyDev?
Python
Pycharm
upload file to my dropbox from python script
Python
Upload
Dropbox
return max value from pandas dataframe as a whole, not based on column or rows
Python
Pandas
Max
Dataframe
Conda environments and .BAT files
Python
Anaconda
Conda
django: return string from view
Python
Django
Django Views
Get value of an input box using Selenium (Python)
Python
Selenium
Selenium Webdriver
Pandas: join DataFrames on field with different names?
Python
Pandas
Join
Dataframe
Field
How to rearrange array based upon index array
Python
Arrays
Numpy
Importing images from a directory (Python) to list or dictionary
Python
Python Imaging-Library
subprocess.Popen(): OSError: [Errno 8] Exec format error in python?
Python
Linux
Shell
add columns different length pandas
Python
Pandas
Hide traceback unless a debug flag is set
Python
Error Handling
User Experience
Python curve_fit with multiple independent variables
Python
Scipy
Curve Fitting
Select multiple columns by labels in pandas
Python
Pandas
Pytest where to store expected data
Python
Pytest
Django 1.9 deprecation warnings app_label
Python
Django
Deprecation Warning
_pickle in python3 doesn't work for large data saving
Python
Pickle
What does In [*] in IPython Notebook mean and how to turn it off?
Python
Ipython
Jupyter
Make @lru_cache ignore some of the function arguments
Python
Caching
Python Decorators
Lru
Functools
Can you upload to S3 using a stream rather than a local file?
Python
Csv
Amazon S3
Boto
Buffering
How to load default profile in Chrome using Python Selenium Webdriver?
Python
Selenium Chromedriver
How to copy/paste DataFrame from Stack Overflow into Python
Python
Pandas
Clipboard
Why can a floating point dictionary key overwrite an integer key with the same value?
Python
Python 2.7
Dictionary
Floating Point
Int
In Python pandas, start row index from 1 instead of zero without creating additional column
Python
Pandas
Indexing
Dataframe
Multi-line description of a parameter description in python docstring
Python
Coding Style
Python Sphinx
Restructuredtext
Docstring
Flask-SQLAlchemy check if row exists in table
Python
Flask
Sqlalchemy
Flask Sqlalchemy
OpenCV/Python: read specific frame using VideoCapture
Python
Python 2.7
Opencv
Are objects with the same id always equal when comparing them with ==?
Python
Equality
How to set layer-wise learning rate in Tensorflow?
Python
Deep Learning
Tensorflow
Concat DataFrame Reindexing only valid with uniquely valued Index objects
Python
Numpy
Pandas
Using abc.ABCMeta in a way it is compatible both with Python 2.7 and Python 3.5
Python
Python 2.7
Metaclass
Python 3.5
Abc
How to import python file located in same subdirectory in a pycharm project
Python
Pycharm
Importerror
Automatically add newline on save in PyCharm?
Python
Newline
Pycharm
Numpy remove a dimension from np array
Python
Arrays
Numpy
Why and how are Python functions hashable?
Python
Hash
Numpy "where" with multiple conditions
Python
Pandas
Numpy
Dataframe
Debugger times out at "Collecting data..."
Python
Python 3.x
Debugging
Pycharm
Python 3.5
Remove the first N items that match a condition in a Python list
Python
List
List Comprehension
Can I get PyCharm to suppress a particular warning on a single line?
Python
Pycharm
Compiler Warnings
Suppress Warnings
How to use Python's RotatingFileHandler
Python
Logging
Is there a simple way to change a column of yes/no to 1/0 in a Pandas dataframe?
Python
Pandas
Dataframe
Series
Subplot for seaborn boxplot
Python
Python 3.x
Loops
Seaborn
Boxplot
What's the difference between python3.<x> and python3.<x>m
Python
Python 3.x
Python 3.6
Inline animations in Jupyter
Python
Animation
Matplotlib
Jupyter Notebook
Ipython Notebook
What is the meaning of list[:] in this code?
Python
List
For Loop
Iteration
pytest run tests parallel
Python
Pytest
seaborn distplot / displot with multiple distributions
Python
Seaborn
Histogram
Density Plot
Git - Should Pipfile.lock be committed to version control?
Python
Pip
Pipenv
How to count unique ID after groupBy in pyspark
Python
Pyspark
Apache Spark-Sql
How to append data to one specific dataset in a hdf5 file with h5py
Python
Numpy
Deep Learning
Hdf5
H5py
Reducing size of pyinstaller exe
Python
Pandas
Selenium
Selenium Webdriver
Pyinstaller
Typehints for Sized Iterable in Python
Python
Python 3.x
Type Hinting
How to fix ''UnicodeDecodeError: 'charmap' codec can't decode byte 0x9d in position 29815: character maps to <undefined>''?
Python
Unicode
File Io
Sqlite
Decode
Python Anaconda: should I use `conda activate` or `source activate` in linux
Python
Anaconda
Conda
How do I compare a Unicode string that has different bytes, but the same value?
Python
Unicode
Find out the percentage of missing values in each column in the given dataset
Python
Python 3.x
Pandas
Numpy
How do I use TensorFlow GPU?
Python
Tensorflow
Gpu
Problems with using a rough greyscale algorithm?
Python
Algorithm
Python Imaging-Library
Image Conversion
Image Comparison
How come regex match objects aren't iterable even though they implement __getitem__?
Python
Iterable
Pytorch: nn.Dropout vs. F.dropout
Python
Deep Learning
Neural Network
Pytorch
Dropout
What does Django's @property do?
Python
Django
What is the reason for difference between integer division and float to int conversion in python?
Python
Python 3.x
Integer Division
How to install SciPy on Apple Silicon (ARM / M1)
Python
Scipy
Arm
Apple Silicon
Apple M1
Python AND operator on two boolean lists - how?
Python
List
Boolean
Operator Keyword
How to delete multiple pandas (python) dataframes from memory to save RAM?
Python
Memory Management
Pandas
Dataframe
Ram
NameError: name 'get_ipython' is not defined
Python
Ipython
Caffe
Pycaffe
Match text between two strings with regular expression
Python
Regex
Python 2.x
What is the easiest way to install BLAS and LAPACK for scipy?
Python
Numpy
How to apply a function on every row on a dataframe?
Python
Function
Pandas
Using multiple Python engines (32Bit/64bit and 2.7/3.5)
Python
Python 3.x
Python 2.7
Anaconda
Conda
anaconda - path environment variable in windows
Python
Windows
Environment Variables
Anaconda
Find "one letter that appears twice" in a string
Python
Regex
Python 2.7
Apply GZIP compression to a CSV in Python Pandas
Python
Pandas
Gzip
Keras accuracy does not change
Python
Audio
Machine Learning
Theano
Keras
Plotting a python dict in order of key values
Python
Matplotlib
Dummy variables when not all categories are present
Python
Pandas
Machine Learning
Dummy Variable
python mpl_toolkits installation issue
Python
Python 3.x
Pip
How to log Keras loss output to a file
Python
Logging
Machine Learning
Neural Network
Keras
How do I add python libraries to an AWS lambda function for Alexa?
Python
Amazon Web-Services
Pip
Aws Lambda
Alexa Skills-Kit
SQLAlchemy: How do you delete multiple rows without querying
Python
Orm
Sqlalchemy
OpenCV not working properly with python on Linux with anaconda. Getting error that cv2.imshow() is not implemented
Python
Opencv
Ubuntu
Anaconda
type hinting within a class
Python
Add/remove custom stop words with spacy
Python
Nlp
Stop Words
Spacy
Visual Studio Code - How to add multiple paths to python path?
Python
Visual Studio-Code
How to install pip3 on Windows?
Python
Windows
Python 3.x
Pip
Tensorflow r1.0 : could not a find a version that satisfies the requirement tensorflow
Python
Windows
Tensorflow
Installation
How to prevent overlapping x-axis labels in sns.countplot
Python
Pandas
Matplotlib
Seaborn
Best Practices with Anaconda and Brew
Python
Macos
Homebrew
Anaconda
Celery: When should you choose Redis as a message broker over RabbitMQ?
Python
Django
Redis
Rabbitmq
Celery
super(type, obj): obj must be an instance or subtype of type
Python
Explain Apache Beam python syntax
Python
Apache Beam
Stratified Sampling in Pandas
Python
Pandas
Numpy
Scikit Learn
Why are arbitrary target expressions allowed in for-loops?
Python
For Loop
Language Lawyer
Rename result columns from Pandas aggregation ("FutureWarning: using a dict with renaming is deprecated")
Python
Pandas
Aggregate
Rename
How to compare a string with a python enum?
Python
Enums
Python 3.6
Efficient way to unnest (explode) multiple list columns in a pandas DataFrame
Python
Json
Pandas
Dataframe
Pandas Explode
Second y-axis time series seaborn
Python
Seaborn
Make a Python asyncio call from a Flask route
Python
Flask
Python Asyncio
import pandas_datareader gives ImportError: cannot import name 'is_list_like'
Python
Pandas
Pandas Datareader
Generating random dates within a given range in pandas
Python
Pandas
Datetime
Random
Embedding in pytorch
Python
Pytorch
Word Embedding
Difference in output with waitKey(0) and waitKey(1)
Python
Opencv
Make Pipenv create the virtualenv in the same folder
Python
Pipenv
Tensorflow Compile Runs For A Long Time
Python
Tensorflow
Compilation
Bazel
Does Python requirements file have to specify version?
Python
requirements.txt
What does a yield inside a yield do?
Python
Python 3.x
Yield
Difference between "detach()" and "with torch.nograd()" in PyTorch?
Python
Pytorch
Autograd
regex to find a pair of adjacent digits with different digits around them
Python
Python 3.x
Regex
Get a preview JPEG of a PDF on Windows?
Python
Windows
Image
Pdf
Using 'in' to match an attribute of Python objects in an array
Python
Arrays
Iteration
Python: what is the difference between (1,2,3) and [1,2,3], and when should I use each?
Python
List
Tuples
How to specify an authenticated proxy for a python http connection?
Python
Http
Proxy
Change the width of form elements created with ModelForm in Django
Python
Html
Django
Django Forms
Django Templates
Python - How do I convert "an OS-level handle to an open file" to a file object?
Python
Temporary Files
Mkstemp
Fdopen
How to stop BaseHTTPServer.serve_forever() in a BaseHTTPRequestHandler subclass?
Python
Http
Basehttpserver
What's the best way to find the inverse of datetime.isocalendar()?
Python
Datetime
SQLAlchemy DateTime timezone
Python
Postgresql
Datetime
Sqlalchemy
Timezone
Ruby equivalent of Python's "dir"?
Python
Ruby
Inspection
Cross-platform way to get PIDs by process name in python
Python
Cross Platform
Jython
Hp Ux
Is there a way to list all the available Windows' drives?
Python
Windows
Reclassing an instance in Python
Subclass
Python
How do I get monotonic time durations in python?
Python
Linux
Benchmarking
Clock
Checking email with Python
Python
Email
Managing resources in a Python project
Python
Resources
Setuptools
Distutils
Decoupling
Time complexity of accessing a Python dict
Python
Hash
Dictionary
Complexity Theory
Python elegant inverse function of int(string,base)
Python
SQLAlchemy printing raw SQL from create()
Python
Sqlalchemy
Pylons
Scala equivalent to Python generators?
Python
Scala
Sort a part of a list in place
Python
Sorting
In Place
Is there a way to circumvent Python list.append() becoming progressively slower in a loop as the list grows?
Python
Class
List
Performance
Append
How to Pythonically yield all values from a list?
Python
Generator
Yield
How to find recursively for a tag of XML using LXML?
Python
Xml
Find
Lxml
Counting positive integer elements in a list with Python list comprehensions
Python
List
Sum
Integer
List Comprehension
Metaclass multiple inheritance inconsistency
Python
Metaclass
asynchronous programming in python
Python
Asynchronous
Where should utility functions live in Django?
Python
Django
Structure
Python vs C#/.NET -- what are the key differences to consider for using one to develop a large web application?
.Net
Python
Sql Server
Django
asp.net Mvc-2
How do I read an image file using Python?
Python
Image
File
Monkey-patch Python class
Python
Monkeypatching
Linux command-line call not returning what it should from os.system?
Python
Linux
Python 2.7
Command Line
os.system
Organizing Python classes in modules and/or packages
Python
Class
Module
Package
negative zero in python
Python
Floating Point
Floating Accuracy
Zero
Printing out actual error message for ValueError
Python
Python 3.x
Exception
Python: max/min builtin functions depend on parameter order
Python
Math
Comparison
Use wildcard with os.path.isfile()
Python
Path
Wildcard
How to do sed like text replace with python?
Python
Regex
Linux
Clear all widgets in a layout in pyqt
Python
Qt
Pyqt
Pyqt4
Checking date against date range in Python
Python
Datetime
Date
Time
Boolean
How can I obtain the model's name or the content type of a Django object?
Python
Django
Django Models
Content Type
Python super method and calling alternatives
Python
Class
Super
ImportError: No module named _ssl
Python
Python 2.7
Permission problems when creating a dir with os.makedirs in Python
Python
Python 2.7
Import statement inside class/function definition - is it a good idea?
Python
Function
Class
Import
How to set a default editable string for raw_input?
Python
Input
Raw Input
Making a Django form class with a dynamic number of fields
Python
Django
Forms
Equivalent of Python's dir in Javascript
Javascript
Python
Namespaces
Interactive
Dir
Negative integer division surprising result
Python
Division
Integer Division
Conversion from IP string to integer, and backward in Python
Python
Networking
Ip Address
Escape double quotes for JSON in Python
Python
String
Empty class object in Python
Python
Oop
Empty Class
python logging ensure a handler is added only once
Python
Logging
How to add the current query string to an URL in a Django template?
Python
Django
Why are slices in Python 3 still copies and not views?
Python
Python 3.x
Language Design
Slice
How to reload a module's function in Python?
Python
Methods
Import
Reload
threading.Condition vs threading.Event
Python
Multithreading
Concurrency
Condition Variable
How do I select literal values in an sqlalchemy query?
Python
Sqlalchemy
What does `__import__('pkg_resources').declare_namespace(__name__)` do?
Python
Module
Namespaces
Runtime
defaultdict(None)
Python
Can Mustache Templates do template extension?
Javascript
Python
Ruby
Templates
Mustache
Python: Converting from `datetime.datetime` to `time.time`
Python
Time
Calendar
How do I convert a single character into its hex ASCII value in Python?
Python
Hex
Ascii
Inheriting methods' docstrings in Python
Python
Oop
Inheritance
Docstring
Template Method-Pattern
How are generators and coroutines implemented in CPython?
Python
Coroutine
Python config parser to get all the values from a section?
Python
Parsing
Configparser
Why doesn't ignorecase flag (re.I) work in re.sub()
Python
Regex
How to create a bytes or bytearray of given length filled with zeros in Python?
Python
Bytearray
Does tkinter have a table widget?
Python
Tkinter
How can I iterate over ManyToManyField?
Python
Database
Django
Orm
Model
TypeError: expected a character buffer object - while trying to save integer to textfile
Python
File
Parsing
join or merge with overwrite in pandas
Python
Pandas
Popen error: [Errno 2] No such file or directory
Python
Subprocess
Popen
Postpone code for later execution in python (like setTimeout in javascript)
Python
How to check whether a sentence is correct (simple grammar check in Python)?
Python
Nlp
Grammar
How to set up celery workers on separate machines?
Python
Celery
How to filter dictionary keys based on its corresponding values
Python
Dictionary
Pylint showing invalid variable name in output
Python
Pylint
Pythonic way to iterate over a collections.Counter() instance in descending order?
Collections
Iteration
Python 2.7
Python
Are there any real alternatives to reStructuredText for Python documentation?
Python
Python Sphinx
Restructuredtext
Docstring
Why are slice and range upper-bound exclusive?
Python
Language Design
Slice
Parallelizing a Numpy vector operation
Python
Numpy
Multiprocessing
Numexpr
Install psycopg2 on Ubuntu
Python
Postgresql
Ubuntu
Python: "TypeError: __str__ returned non-string" but still prints to output?
Python
What does a semicolon do?
Python
Function
If Statement
Syntax
Break
Calling a parent class constructor from a child class in python
Python
Inheritance
pytz and astimezone() cannot be applied to a naive datetime
Python
Datetime
Timezone
Pytz
Does python have a "use strict;" and "use warnings;" like in perl?
Python
Perl
Warnings
Strict
How to zoomed a portion of image and insert in the same plot in matplotlib
Python
Image
Matplotlib
Python calling method in class
Python
Class
Methods
adding extra axis ticks using matplotlib
Python
Matplotlib
Plot
Stop code after time period
Python
Why Should I use Redis when I have PostgreSQL as my database for Django?
Python
Django
Postgresql
Redis
python dict.update vs. subscript to add a single key/value pair
Python
Dictionary
Python For loop get index
Python
Loops
For Loop
Indexing
"import datetime" v.s. "from datetime import datetime"
Python
Datetime
Attributeerror
How to format a python assert statement that complies with PEP8?
Python
Assert
Pep8
Parallelism in Julia: Native Threading Support
Python
Multithreading
R
Parallel Processing
Julia
A good way to make long strings wrap to newline?
Python
String
Python 3.x
Python 2.x
Inserting new records with one-to-many relationship in sqlalchemy
Python
Sqlalchemy
Foreign Keys
Relationship
Flask Sqlalchemy
Can't pickle defaultdict
Python
Pickle
Defaultdict
python sorting dictionary by length of values
Python
Sorting
Dictionary
Could not find a version that satisfies the requirement pytz
Python
Pip
Virtualenv
Pytz
How do I remove the microseconds from a timedelta object?
Python
Datetime
Format
Timedelta
Why isn't .ico file defined when setting window's icon?
Python
Python 3.x
Tkinter
Windows 7
tkinter.iconbitmap
Sum of all counts in a collections.Counter
Python
Python 3.x
Counter
How to create only one table with SQLAlchemy?
Python
Mysql
Python 3.x
Sqlalchemy
Python error "import: unable to open X server"
Python
How do I mock the filesystem in Python unit tests?
Python
Unit Testing
Mocking
Filesystems
What does "TypeError: 'float' object cannot be interpreted as an integer" mean when using range?
Python
Typeerror
matplotlib iterate subplot axis array through single list
Python
Matplotlib
What are the differences between Python Dictionaries vs Javascript Objects?
Javascript
Python
Object
Dictionary
What is the difference between pandas agg and apply function?
Python
Pandas
Pandas Groupby
How to convert a hex string to hex number
Python
String
Python 2.7
Hex
Add element to a JSON file?
Python
Json
summing two columns in a pandas dataframe
Python
Pandas
Principal components analysis using pandas dataframe
Python
Pandas
Pca
Scientific Computing
Principal Components
Delete cell ipython 2.0
Python
Keyboard Shortcuts
Ipython
Using .loc with a MultiIndex in pandas
Python
Pandas
Dataframe
Multi Index
Pandas: conditional rolling count
Python
Pandas
networkx - change color/width according to edge attributes - inconsistent result
Python
Python 3.x
Networkx
How to create colour gradient in Python?
Python
Colors
Gradient
import error django corsheaders
Python
Django
Amazon Ec2
Django Cors-Headers
How to change figuresize using seaborn factorplot
Python
Matplotlib
Seaborn
Python project directory structure / pytest trouble
Python
Path
Pytest
Checking whether data frame is copy or view in Pandas
Python
Pandas
Chained Assignment
Order of Serializer Validation in Django REST Framework
Python
Django
Validation
Django Rest-Framework
OSError: [Errno 8] Exec format error
Python
Subprocess
Pyinstaller setting icons don't change
Python
Icons
Pyinstaller
Executable
Simulate autofit column in xslxwriter
Python
Xlsxwriter
PySpark groupByKey returning pyspark.resultiterable.ResultIterable
Python
Apache Spark
Pyspark
What's the difference between the square bracket and dot notations in Python?
Python
Object
Collections
Attributes
Member
flask restful: passing parameters to GET request
Python
Rest
Flask
Flask Restful
ERROR: virtualenvwrapper could not find virtualenv in your path
Python
Virtualenv
Pythonpath
Virtualenvwrapper
Pytest monkeypatch isn't working on imported function
Python
Unit Testing
Pytest
Elegant way to remove items from sequence in Python?
Python
Optimization
Set
Series
How to write a download progress indicator in Python?
Python
Http
Modern, high performance bloom filter in Python?
Python
Jython
Bloom Filter
Python csv.reader: How do I return to the top of the file?
Python
Csv
Adding folders to a zip file using python
Python
File
Directory
Zip
Python: Pass or Sleep for long running processes?
Python
overload print python
Python
Printing
Overloading
How does Python's "super" do the right thing?
Python
Constructor
Multiple Inheritance
Super
Python 2.5
Java Python Integration
Java
Python
Integration
Equivalent of NotImplementedError for fields in Python
Python
Abstract Class
PIL: Thumbnail and end up with a square image
Python
Png
Thumbnails
Python Imaging-Library
Alpha
Parsing SQL with Python
Python
Sql
Parsing
Pyparsing
How and when to appropriately use weakref in Python
Python
Circular Reference
Simple example of how to use ast.NodeVisitor?
Python
Python 2.6
Abstract Syntax-Tree
OrderedDict for older versions of python
Python
Is the += operator thread-safe in Python?
Python
Thread Safety
Increment
Invalid Token when using Octal numbers
Python
Syntax
Python 3.x
Octal
Is there any reason to choose __new__ over __init__ when defining a metaclass?
Python
Constructor
New Operator
Metaclass
Init
Is there something similar to 'rake routes' in django?
Python
Ruby on-Rails
Django
Routing
Django Urls
Accessing an attribute using a variable in Python
Python
How to make an axes occupy multiple subplots with pyplot (Python)
Python
Matplotlib
Schedule a repeating event in Python 3
Python
Python 3.x
Scheduled Tasks
Timing
Python Naming Conventions for Dictionaries/Maps/Hashes
Python
Dictionary
Naming Conventions
Mapping
How to create a password entry field using Tkinter
Python
Tkinter
Edit Distance in Python
Python
Algorithm
Edit
Distance
Unicode identifiers in Python?
Python
Unicode
Identifier
python tracing a segmentation fault
Python
C
Debugging
socket.error: [Errno 10013] An attempt was made to access a socket in a way forbidden by its access permissions
Python
Sockets
Windows 7
Compatibility
Socketserver
Calling MATLAB functions from python
Python
Matlab
Visual C++
Python: No csv.close()?
Python
Csv
Why is using thread locals in Django bad?
Python
Django
Thread Local
Python's `urllib2`: Why do I get error 403 when I `urlopen` a Wikipedia page?
Python
Http
Urllib2
Fast replacement of values in a numpy array
Python
Replace
Numpy
Python Time Delays
Python
Time
can't multiply sequence by non-int of type 'float'
Python
Floating Point
Sequence
Preserving styles using python's xlrd,xlwt, and xlutils.copy
Python
Xlrd
Xlwt
How do I convert a Python list into a C array by using ctypes?
Python
C
Ctypes
Logging hierarchy vs. root logger?
Python
Logging
Forward declaration of classes?
Python
any idea how to update python PIP on a windows box?
Python
Windows
Virtualenv
Pip
Why doesn't exec work in a function with a subfunction?
Python
Exec
Python: Can't pickle type X, attribute lookup failed
Python
Pickle
How to auto register a class when it's defined
Python
Oop
Design Patterns
Decorator
Metaclass
Django: what is the difference (rel & field)
Python
Django
Entity Relationship
Python class accessible by iterator and index
Python
List
Iterator
Write file with specific permissions in Python
Python
File Io
Permissions
pip freeze without dependencies of installed packages
Python
Pip
requirements.txt
how to fill a list with 0 using python
Python
List
Complexity of list.index(x) in Python
Python
Algorithm
List
Big O
Performance
Headless Browser for Python (Javascript support REQUIRED!)
Javascript
Python
Screen Scraping
Headless Browser
How do you base-64 encode a PNG image for use in a data-uri in a CSS file?
Python
Css
Image
Base64
Data Uri
Can you migrate backwards to before the first migration in South?
Python
Django
Django South
Parsing reStructuredText into HTML
Python
Restructuredtext
Python Sphinx
Docutils
Python: maximum recursion depth exceeded while calling a Python object
Python
Algorithm
Recursion
Web Crawler
Depth
Rolling window for 1D arrays in Numpy?
Python
Python 3.x
Numpy
Window
How to preserve line breaks when generating python docs using sphinx
Python
Python Sphinx
Should I Return None or (None, None)?
Python
Python 3.x
Coding Style
Python List of np arrays to array
Python
Arrays
List
Numpy
How to find the shortest string in a list in Python
Python
import win32api error in Python 2.6
Python
Pywin32
Calling a C# library from python
C#
Python
Interop
Ironpython
python.net
Pytest: Deselecting tests
Python
Pytest
How to create a self resizing grid of buttons in tkinter?
Python
Button
Grid
Tkinter
Autoresize
using Flask and Tornado together?
Python
Wsgi
Nonblocking
Flask
Tornado
Implementation HMAC-SHA1 in python
Python
Oauth
Sha1
Hmac
Making all possible combinations of a list
Python
List
Combinations
Form sending error, Flask
Python
Forms
Flask
Python regular expressions OR
Python
Regex
Appending to one list in a list of lists appends to all other lists, too
Python
List
Csv
Append
Using a Python dict for a SQL INSERT statement
Python
Mysql
Sql
Defining a discrete colormap for imshow in matplotlib
Python
Matplotlib
Does Python csv writer always use DOS end-of-line characters?
Python
Csv
Line Endings
Writer
Is there a Python equivalent of range(n) for multidimensional ranges?
Python
Numpy
Iteration
Range
Iterating on a file doesn't work the second time
Python
File
Iteration
Slicing a list using a variable, in Python
Python
List
Slice
Python - IOError: [Errno 13] Permission denied:
Python
File
Io
Sublime Text 2 console input
Python
Ruby
Sublimetext2
Django: Get current user in model save
Python
Django
Django Models
Finding moving average from data points in Python
Python
Plot
Sum
Average
Return in Recursive Function
Python
Recursion
Return
Error installing python-snappy: snappy-c.h: No such file or directory
Python
Gcc
Is floating point arbitrary precision available?
Python
Floating Point
Floating Accuracy
How do I change the format of a Python log message on a per-logger basis?
Python
Logging
Python 3.x
advanced string formatting vs template strings
Python
String Formatting
Template Engine
Using locals() and format() method for strings: are there any caveats?
Python
String Formatting
Local Variables
Locals
Blender: Walk around sphere
Python
Blender
Coordinate Transformation
Using print() (the function version) in Python2.x
Python
Printing
Python 2.x
Function Call
How to share the global app object in flask?
Python
Flask
Can you "stream" images to ffmpeg to construct a video, instead of saving them to disk?
Python
Image
Stream
Ffmpeg
Python Imaging-Library
Using File Extension Wildcards in os.listdir(path)
Python
Case-insensitive string startswith in Python
Python
String
Performance
Case Insensitive
Startswith
Spell Checker for Python
Python
Python 2.7
Nltk
Spell Checking
Pyenchant
Get multiple request params of the same name
Python
Flask
Using sass with Flask and jinja2
Python
Flask
Sass
Jinja2
virtualenv: Specifing which packages to use system-wide vs local
Python
Virtualenv
Pip
csv.writer writing each character of word in separate column/cell
Python
Csv
Web Scraping
How to get the number of the most frequent value in a column?
Python
Pandas
Counter
Frequency
Series
What does this socket.gaierror mean?
Python
Tcp
Errno
python list comprehension with multiple 'if's
Python
If Statement
List Comprehension
Apply function to pandas groupby
Python
Pandas
python does not release filehandles to logfile
Python
Logging
Python Requests vs PyCurl Performance
Python
Performance
Benchmarking
Python Requests
Pycurl
Python: Passing variables between functions
Python
Function
Arguments
How to make Python script run as service?
Python
Linux
Centos
How to decrypt OpenSSL AES-encrypted files in Python?
Python
Encryption
Openssl
Aes
Pycrypto
Size of data type using NumPy
Python
Numpy
tkinter: binding mousewheel to scrollbar
Python
Binding
Tkinter
Scrollbar
Mousewheel
time.time vs. timeit.timeit
Python
Performance
Time
Python 3.x
Django Celery - Cannot connect to amqp://
[email protected]
:5672//
Python
Django
Celery
How to find newest file with .MP3 extension in directory?
Python
File Io
How to link home brew python version and set it as default
Python
Macos
Homebrew
env: python\r: No such file or directory
Python
Macos
Osx Mountain-Lion
Shebang
Env
Running R script from python
Python
R
What can multiprocessing and dill do together?
Python
Multiprocessing
Pickle
Dill
Why in numpy `nan == nan` is False while nan in [nan] is True?
Python
Numpy
Nan
PyCharm logging output colours
Python
Google App-Engine
Logging
Pycharm
How to remove a package from Pypi
Python
Pypi
How to write to .txt files in Python 3
Python
File
Text
File Io
python dictionary sorting in descending order based on values
Python
Dictionary
Remove line through marker in matplotlib legend
Python
Matplotlib
Legend
Javascript - No 'Access-Control-Allow-Origin' header is present on the requested resource
Javascript
Python
Ajax
Flask
Cors
How to obtain values of parameters of get request in flask?
Python
Web
Flask
Get Request
Django ORM - objects.filter() vs. objects.all().filter() - which one is preferred?
Python
Django
Django Queryset
Django Orm
Django Managers
What is a Python bytestring?
Python
String
How to add noise (Gaussian/salt and pepper etc) to image in Python with OpenCV
Python
Opencv
Python Mock Multiple Calls with Different Results
Python
Mocking
Read image grayscale opencv 3.0.0-dev
Python
Opencv
Grayscale
Share axes in matplotlib for only part of the subplots
Python
Matplotlib
Scipy
OSError - Errno 13 Permission denied
Python
Django
Apache
Unix
where to put freeze_support() in a Python script?
Python
Scikit Learn
Multiprocessing
Runtime Error
cannot catch SQLAlchemy IntegrityError
Python
Exception
Exception Handling
Error Handling
Sqlalchemy
cython issue: 'bool' is not a type identifier
Python
C++
Cython
round off float to nearest 0.5 in python
Python
ImportError: cannot import name _imaging
Python
Pip
Python Imaging-Library
Imaging
How to swap two DataFrame columns?
Python
Pandas
Encrypted and secure docker containers
Python
Security
Encryption
Docker
How to execute "left outer join" in SqlAlchemy
Python
Sql
Sqlalchemy
Calculate weighted average using a pandas/dataframe
Python
Numpy
Pandas
How do you kill Futures once they have started?
Python
Multithreading
concurrent.futures
Python remove stop words from pandas dataframe
Python
Pandas
Doc2vec: How to get document vectors
Python
Gensim
Word2vec
What is the difference between __init__.py and __main__.py?
Python
Python 3.x
How to convert PIL Image.image object to base64 string?
Python
Python Imaging-Library
How do I round datetime column to nearest quarter hour
Python
Datetime
Pandas
Python Datetime
'PipelinedRDD' object has no attribute 'toDF' in PySpark
Python
Apache Spark
Pyspark
Apache Spark-Sql
Rdd
Converting "true" (JSON) to Python equivalent "True"
Python
Json
Dictionary
Boolean
How to check (in template) if user belongs to a group
Python
Django
Django Admin
Django Permissions
Switch between python 2.7 and python 3.5 on Mac OS X
Python
Macos
Python 2.7
Python 3.x
Terminal
only integers, slices (`:`), ellipsis (`...`), numpy.newaxis (`None`) and integer or boolean arrays are valid indices
Python
Python 3.x
Numpy
Fft
Dft
"freeze" some variables/scopes in tensorflow: stop_gradient vs passing variables to minimize
Python
Tensorflow
AttributeError: 'dict' object has no attribute 'predictors'
Python
Importing Pandas gives error AttributeError: module 'pandas' has no attribute 'core' in iPython Notebook
Python
Pandas
Anaconda
Install pip in docker
Python
Docker
Pip
Matplotlib Plot Lines with Colors Through Colormap
Python
Numpy
Matplotlib
Colormap
What does !r do in str() and repr()?
Python
String
Python 2.7
Formatting
Repr
Difference between scikit-learn and sklearn
Python
Python 2.7
Scikit Learn
How does one debug NaN values in TensorFlow?
Python
Machine Learning
Neural Network
Tensorflow
Conv Neural-Network
Show progress bar for each epoch during batchwise training in Keras
Python
Machine Learning
Keras
How to perform a left join in SQLALchemy?
Python
Sql
Sqlalchemy
How to make a custom activation function with only Python in Tensorflow?
Python
Tensorflow
Neural Network
Deep Learning
Activation Function
How to encode bytes in JSON? json.dumps() throwing a TypeError
Python
Json
Python 3.x
Could not find a version that satisfies the requirement pkg-resources==0.0.0
Python
Django
Heroku
Pip
pandas - find first occurrence
Python
Pandas
Dataframe
Group By
Find
ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:749)
Python
Python 3.x
Ssl
How can I change directory with Python pathlib
Python
Pathlib
why cv2.imwrite() changes the color of pics?
Python
Opencv
opencv3.0
How do I tell if a column in a pandas dataframe is of type datetime? How do I tell if a column is numerical?
Python
Pandas
Numpy
Dataframe
Python Pandas iterate over rows and access column names
Python
Pandas
Dataframe
Series
How can I run the current file in PyCharm
Python
Pycharm
Pandas - combine column values into a list in a new column
Python
List
Pandas
Lambda
Apply
import a function from another .ipynb file
Python
Import
Ipython
Jupyter Notebook
Store numpy.array in cells of a Pandas.DataFrame
Python
Pandas
Numpy
Dataframe
Add months to a date in Pandas
Python
Pandas
Date
How do I run Python asyncio code in a Jupyter notebook?
Python
Ipython Notebook
Jupyter
Python Asyncio
Capture groups with Regular Expression (Python)
Python
Regex
Get hard disk size in Python
Python
Macos
Python 2.7
Hard Drive
Process finished with exit code 139 (interrupted by signal 11: SIGSEGV)
Python
Python 3.5
Segmentation Fault
Linux Mint
What does calling fit() multiple times on the same model do?
Python
Machine Learning
Scikit Learn
Scikit-learn's LabelBinarizer vs. OneHotEncoder
Python
Encoding
Scikit Learn
Data Science
Categorical Data
What do I need K.clear_session() and del model for (Keras with Tensorflow-gpu)?
Python
Tensorflow
Memory Management
Keras
Why does `None is None is None` return True?
Python
Python 3.x
Python 2.7
Python 3 dataclass initialization
Python
Python 3.x
Concepts of backref and back_populate in SQLalchemy?
Python
Database
Sqlalchemy
Built-in module to calculate the least common multiple
Python
How to upload new versions of project to PyPI with twine?
Python
Python 3.x
Package
Pypi
Twine
Is i = i + n truly the same as i += n?
Python
Python 3.x
Operator Overloading
How to tell PyTorch to not use the GPU?
Python
Pytorch
Gpu
Count occurrences of False or True in a column in pandas
Python
Pandas
Dataframe
Count
How do I display a single image in PyTorch?
Python
Image Processing
Pytorch
Python 3.7 logging: f-strings vs %
Python
Python 3.x
Why is a `for` loop so much faster to count True values?
Python
Python 3.x
Performance
For Loop
Sum
Installing pip is not working in python < 3.6
Python
Pip
What is a tuple useful for?
Python
Tuples
Python for C++ Developers
C++
Python
Python UnicodeDecodeError - Am I misunderstanding encode?
Python
Unicode
Ascii
Encode
Extracting a URL in Python
Python
Url
Parsing
Profiling in Python: Who called the function?
Python
Profiling
Best way to retrieve variable values from a text file?
Python
Variables
Text Files
Split an integer into digits to compute an ISBN checksum
Python
Integer
Decimal
How to stop Python parse_qs from parsing single values into lists?
Python
Python 2.6
Remove all files in a directory
Python
Unix
File Management
How do you extract a JAR in a UNIX filesystem with a single command and specify its target directory using the JAR command?
Java
Python
Linux
Unix
Jar
get request data in Django form
Python
Django
Django - Getting last object created, simultaneous filters
Python
Django
Filter
Django Views
How do I get str.translate to work with Unicode strings?
Python
Unicode
String
How can I protect myself from a zip bomb?
Java
Python
Security
Compression
Zip
Stream large binary files with urllib2 to file
Python
File
Streaming
Urllib2
Why are python strings and tuples are made immutable?
Python
String
Immutability
Tuples
Subclassing tuple with multiple __init__ arguments
Python
Inheritance
Subclass
Tuples
Local import statements in Python
Python
Python Import
Using cProfile results with KCacheGrind
Python
Profiling
Kcachegrind
Cprofile
Python multiprocessing: Permission denied
Python
Linux
How can I make my Python code stay under 80 characters a line?
Python
Pep8
Dynamic terminal printing with python
Python
Terminal
overriding bool() for custom class
Python
Class
Casting
Boolean
Python 2.x
Does Python make a copy of objects on assignment?
Python
Get signal names from numbers in Python
Python
Signals
Python: why does `random.randint(a, b)` return a range inclusive of `b`?
Python
Random
Integer
Boundary
Python library 'unittest': Generate multiple tests programmatically
Python
Tdd
Unit Testing
Why does the "is" keyword have a different behavior when there is a dot in the string?
Python
Identity
Equality
Python version 2.6 required, which was not found in the registry
Python
Installation
How can I get href links from HTML using Python?
Python
Html
Hyperlink
Beautifulsoup
Href
What is the best way to write the contents of a StringIO to a file?
Python
File Io
Stringio
How can I learn more about Python’s internals?
Python
Python 3.x
Internals
Python urllib vs httplib?
Python
Http
Urllib
Httplib
How can I get the current time (now) in UTC?
Python
Datetime
Time
Utc
Cast base class to derived class python (or more pythonic way of extending classes)
Python
Inheritance
Derived Class
Base Class
Can I create a "view" on a Python list?
Python
Arrays
List
Slice
convert a json string to python object
Python
Json
Python's list comprehension vs .NET LINQ
C#
Python
Linq
List Comprehension
CSVWriter not saving data to file the moment I write it
Python
Csv
Replace \n with <br />
Python
String
Replace
Newline
Iterating over key/value pairs in a dict sorted by keys
Python
Parfor for Python
Python
Matlab
Parallel Processing
PIL how to scale text size in relation to the size of the image
Python
Fonts
Image Manipulation
Python Imaging-Library
Scaling
'True' and 'False' in Python
Python
Boolean
Why does Python not support record type? (i.e. mutable namedtuple)
Python
Collections
Namedtuple
How did Python implement the built-in function pow()?
Python
Algorithm
Math
How to reload python module imported using `from module import *`
Python
Python Import
Python Module
matplotlib - extracting data from contour lines
Python
Numpy
Matplotlib
Scipy
Contour
Sum one number to every element in a list (or array) in Python
Python
List
Sum
Pymongo / MongoDB: create index or ensure index?
Python
Mongodb
Pymongo
Python argparse and controlling/overriding the exit status code
Python
Argparse
Writing numerical values on the plot with Matplotlib
Python
Matplotlib
How to launch an EDITOR (e. g. vim) from a python script?
Python
Vim
Editor
Command Line-Interface
What's the best way to initialise and use constants across Python classes?
Python
scoped_session(sessionmaker()) or plain sessionmaker() in sqlalchemy?
Python
Django
Orm
Sqlalchemy
Flask Sqlalchemy
Getting a callback when a Tkinter Listbox selection is changed?
Python
Events
Tkinter
Extension method for python built-in types
Python
Forbiddenfruit
Automatic version number both in setup.py (setuptools) AND source code?
Python
Git
Version
Setuptools
Distutils
How do I start up remote debugging with PyCharm?
Python
Django
Remote Debugging
Pycharm
How do I get all the values from a NumPy array excluding a certain index?
Python
Numpy
Django -- Can't get static CSS files to load
Python
Django
Static Files
Python print statement “Syntax Error: invalid syntax”
Python
Python 3.x
Syntax
Syntax Error
matplotlib: overlay plots with different scales?
Python
Matplotlib
Fitting a histogram with python
Python
Histogram
Curve Fitting
Attributes initialization/declaration in Python class: where to place them?
Python
Coding Style
Attributes
Why Python is so slow for a simple for loop?
Python
Performance
Jit
How to get a list of built-in modules in python?
Python
How do I convert a currency string to a floating point number in Python?
Python
Localization
SQLAlchemy or psycopg2?
Python
Postgresql
Sqlalchemy
Psycopg2
Passing list of parameters to SQL in psycopg2
Python
Postgresql
Psycopg2
Saving XML files using ElementTree
Python
Elementtree
Correct Use Of Global Variables In Python 3
Python
Function
Variables
Python 3.x
Global Variables
Load CSV data into MySQL in Python
Python
Mysql
Import python module NOT on path
Python
Import
External
Python Module
How to retrieve SQL result column value using column name in Python?
Python
Mysql
python bindings, how does it work?
Python
C
Binding
A fast way to find the largest N elements in an numpy array
Python
Sorting
Numpy
Generate a list of datetimes between an interval
Python
List
Datetime
Date
Period
Returning multiple values from pandas apply on a DataFrame
Python
Pandas
Why does Python return 0 for simple division calculation?
Python
Django template comparing string
Python
Django
Django Templates
shutil.rmtree() clarification
Python
Python 2.7
Shutil
How to create a reference to a variable in python?
Python
Reference
Python Multiprocessing: What's the difference between map and imap?
Python
Multiprocessing
Generating Discrete random variables with specified weights using SciPy or NumPy
Python
Random
Numpy
Scipy
How to add delta to python datetime.time?
Python
Datetime
Time
Timedelta
Green-threads and thread in Python
Python
Multithreading
Pthreads
Gil
Green Threads
Python: Logging TypeError: not all arguments converted during string formatting
Python
Logging
String Formatting
Getting the max value of attributes from a list of objects
Python
List
Attributes
Max
How to implement custom indentation when pretty-printing with the JSON module?
Python
Json
Indentation
randomizing two lists and maintaining order in python
Python
Python equivalent for #ifdef DEBUG
Python
Debugging
safe enough 8-character short unique random string
Python
Hash
Random
Cryptography
matplotlib: how to prevent x-axis labels from overlapping
Python
Matplotlib
Bar Chart
How to pass an argument to a function pointer parameter?
Python
Callback
Function Pointers
syntax error when using command line in python
Python
Command Line
Syntax Error
Flask URL Route: Route Several URLs to the same function
Python
Url Routing
Flask
Python urlparse -- extract domain name without subdomain
Python
Parsing
Url
Urlparse
How to destack nested tuples in Python?
Python
Nested
Tuples
How to apply "first" and "last" functions to columns while using group by in pandas?
Python
Pandas
Group By
Check if object is a number or boolean
Python
Python 2.7
Best practices: how do you list required dependencies in your setup.py?
Python
How to write to stdout AND to log file simultaneously with Popen?
Python
Subprocess
Popen
How does this lambda/yield/generator comprehension work?
Python
Ssh
Lambda
Functional Programming
Generator
What is the right way to put a docstring on Python property?
Python
Properties
Decorator
Get the second largest number in a list in linear time
Python
Performance
How to speed up pytest
Python
Performance
Pytest
Automatically play sound in IPython notebook
Python
Ipython
Ipython Notebook
trying to install pymssql on ubuntu 12.04 using pip
Python
Ubuntu
Ubuntu 12.04
Pip
Pymssql
Logarithmic y-axis bins in python
Python
Matplotlib
Histogram
Logarithm
How can I download a file on a click event using selenium?
Python
Selenium
Selenium Webdriver
Web Scraping
fitting data with numpy
Python
Numpy
Regression
Curve Fitting
Data Fitting
Add new column in Pandas DataFrame Python
Python
Pandas
Dataframe
Is there a short-hand for nth root of x in Python?
Python
Math
Operators
Square Root
How to add an extra row to a pandas dataframe
Python
Pandas
Expanding English language contractions in Python
Python
Nlp
Text Processing
startswith TypeError in function
Python
Python 3.x
Pycharm: "unresolved reference" error on the IDE when opening a working project
Python
Pycharm
Replace -inf with zero value
Python
Arrays
Numpy
Infinity
What does abstraction mean in programming?
Python
Terminology
Create a PyCharm configuration that runs a module a la "python -m foo"
Python
Pycharm
Java do nothing
Java
Python
Does the SVM in sklearn support incremental (online) learning?
Python
Machine Learning
Scikit Learn
Svm
ImportError: No module named mysql.connector using Python2
Python
Mysql
Get the mean across multiple Pandas DataFrames
Python
R
Numpy
Pandas
SQLAlchemy - performing a bulk upsert (if exists, update, else insert) in postgresql
Python
Postgresql
Sqlalchemy
Flask Sqlalchemy
what's the inverse of the quantile function on a pandas Series?
Python
Pandas
Quantile
Is PyPI case sensitive?
Python
Pypi
Contains of HashSet<Integer> in Python
Python
Contains
Hashset
python seaborn to reset back to the matplotlib
Python
Matplotlib
Marker
Seaborn
How to add package data recursively in Python setup.py?
Python
Distutils
setup.py
Is there a way to log python print statements in gunicorn?
Python
Debugging
Logging
Bottle
Gunicorn
Get current user in Model Serializer
Python
Django
Serialization
Django Rest-Framework
Python: Disable images in Selenium Google ChromeDriver
Python
Google Chrome
Selenium
Web Scraping
Web Crawler
How to make a short and long version of a required argument using Python Argparse?
Python
Command Line-Arguments
Argparse
How to make a line break on the Python ternary operator?
Python
Line Breaks
Difference between zip(list) and zip(*list)
Python
Python 3.x
Why can't I suppress numpy warnings
Python
Numpy
How to add an model instance to a django queryset?
Python
Django
How should I handle inclusive ranges in Python?
Python
Range
Slice
Is it possible to use AngularJS with the Jinja2 template engine?
Python
Angularjs
Flask
Jinja2
Delimiter
Python, Pandas : Return only those rows which have missing values
Python
Pandas
Missing Data
Making SVM run faster in python
Python
Scikit Learn
Svm
Why is string's startswith slower than in?
Python
Python 2.7
Cpython
Python Internals
Startswith
Why is pandas.to_datetime slow for non standard time format such as '2014/12/31'
Python
Csv
Pandas
Python Datetime
String to-Datetime
Can't install virtualenvwrapper on OSX 10.11 El Capitan
Python
Macos
Virtualenv
Virtualenvwrapper
Osx Elcapitan
What is the difference between python functions `datetime.now()` and `datetime.today()`?
Python
Datetime
How to pass an entire list as command line argument in Python?
Python
startapp with manage.py to create app in another directory
Python
Django
Flask Template Not found
Python
Flask
Jinja2
python pandas- apply function with two arguments to columns
Python
Function
Pandas
Dataframe
Rotate point about another point in degrees python
Python
Math
Degrees
Django - Rollback save with transaction atomic
Python
Django
Transactions
Atomic
Django Database
Python: understanding class and instance variables
Python
Remove unnecessary whitespace from Jinja rendered template
Python
Flask
Jinja2
Fine control over the font size in Seaborn plots for academic papers
Python
Matplotlib
Plot
Seaborn
Progress Bar while download file over http with Requests
Python
Python Requests
What's the time complexity of functions in heapq library
Python
Heap
How to override the pip command to Python3.x instead of Python2.7?
Python
Python 3.x
Pip
Dataframe not showing in Pycharm
Python
Pandas
Pycharm
Exposing python jupyter on LAN
Python
Linux
Python 3.x
Ubuntu 14.04
Jupyter
tqdm: 'module' object is not callable
Python
Tqdm
In numpy.sum() there is parameter called "keepdims". What does it do?
Python
Numpy
Sum
“Unable to locate finder for 'pip._vendor.distlib'” error when using "pip install virtualenv"
Python
Python 3.x
Pip
Virtualenv
Set literal gives different result from set function call
Python
Hash
Set
Python 2.x
Python Internals
Take screenshot of full page with Selenium Python with chromedriver
Python
Selenium
Selenium Chromedriver
Webpage Screenshot
Can I import Python's 3.6's formatted string literals (f-strings) into older 3.x, 2.x Python?
Python
String
F String
How to check existence of a folder and then remove it?
Python
Linux
Python 2.7
Rmdir
How to force migrations to a DB if some tables already exist in Django?
Python
Django
Postgresql
Migrate
Python 3 dictionary with known keys typing
Python
Dictionary
Type Hinting
Python Typing
Typeddict
What does the "yield from" syntax do in asyncio and how is it different from "await"
Python
Async Await
Generator
Python Asyncio
Coroutine
Specify length of Sequence or List with Python typing module
Python
Type Hinting
Mypy
Python Typing
Extracting the first day of month of a datetime type column in pandas
Python
Pandas
Dataframe
Datetime64
How to detect lines in OpenCV?
Python
Opencv
Image Processing
Is it always safe to modify the `**kwargs` dictionary?
Python
Function
Dictionary
Scope
Django : Can't import 'module'. Check that module AppConfig.name is correct
Python
Django
Python 3.x
Matplotlib: Adding an axes using the same arguments as a previous axes
Python
Matplotlib
np.random.rand vs np.random.random
Python
Numpy
pip install mysqlclient returns "fatal error C1083: Cannot open file: 'mysql.h': No such file or directory
Python
Mysql
Sql
Pip
Is there an idiomatic way to add an extension using Python's Pathlib?
Python
Python 3.x
Pathlib
How to use `async for` in Python?
Python
Asynchronous
Python Asyncio
Issues implementing the "Wave Collapse Function" algorithm in Python
Python
Algorithm
Markov Chains
Procedural Generation
How can I run the fast-api server using Pycharm?
Python
Pycharm
Fastapi
Discord.py error: TypeError: __new__() got an unexpected keyword argument 'deny_new'
Python
Python 3.x
Discord
discord.py
What is __peg_parser__ in Python?
Python
Python 3.x
Python 3.9
cx_Oracle: How do I iterate over a result set?
Python
Sql
Database
Oracle
Cx Oracle
Get size of a file before downloading in Python
Python
Urllib
Python packages - import by class, not file
Python
Packages
How to handle a broken pipe (SIGPIPE) in python?
Python
Python 2.x
Broken Pipe
Can you monkey patch methods on core types in Python?
Python
Ruby
Programming Languages
Monkeypatching
Fluent Interface
Converting datetime to POSIX time
Python
Datetime
Posix
How do I attach a remote debugger to a Python process?
Python
Remote Debugging
Character Translation using Python (like the tr command)
Python
Perl
Tr
Transliteration
Simple prime number generator in Python
Python
Primes
How to pause a script when it ends on Windows?
Python
Windows
Cmd
Command Line
Parsing HTTP User-Agent string
Python
Http
Http Headers
User Agent
How to know if urllib.urlretrieve succeeds?
Python
Networking
Urllib
How to make urllib2 requests through Tor in Python?
Python
Tor
Simulating Pointers in Python
Python
Pointers
How can I profile a SQLAlchemy powered application?
Python
Sqlalchemy
Profiler
Calculating a SHA hash with a string + secret key in python
Python
Hash
Sha256
Count number of files with certain extension in Python
Python
File
Count
Most useful Python modules from the standard library?
Python
Module
Standard Library
How do you determine a processing time in Python?
Python
Datetime
How can I tell the Django ORM to reverse the order of query results?
Python
Django
String similarity metrics in Python
Python
Algorithm
String
Levenshtein Distance
Download HTML page and its contents
Python
Html
Numpy meshgrid in 3D
Python
Numpy
Best python XMPP / Jabber client library?
Python
Chat
Xmpp
Google Talk
How get sound input from microphone in python, and process it on the fly?
Python
Microphone
Serializing list to JSON
Python
Django
Json
Serialization
namedtuple._replace() doesn't work as described in the documentation
Python
Namedtuple
Error when calling the metaclass bases: function() argument 1 must be code, not str
Python
Class
Inheritance
Metaclass
Virtual Serial Device in Python?
Python
Serial Port
Pyserial
Virtual Serial-Port
Debugging python programs in emacs
Python
Debugging
Emacs
Pdb
How to increase a counter in SQLAlchemy
Python
Sqlalchemy
Simple implementation of N-Gram, tf-idf and Cosine similarity in Python
Python
Document
N Gram
Tf Idf
Vsm
very quickly getting total size of folder
Python
Optimization
Directory
Ignore by directory using Pylint
Python
Pylint
Intercept method calls in Python
Python
matplotlib.pyplot, preserve aspect ratio of the plot
Python
Matplotlib
How do I get a thread safe print in Python 2.6?
Python
Multithreading
inserting newlines in xml file generated via xml.etree.ElementTree in python
Python
Xml
How to write custom python logging handler?
Python
Logging
Console
Variable table name in sqlite
Python
Database
Sqlite
Product code looks like abcd2343, how to split by letters and numbers?
Python
String
Split
Removing elements from a list containing specific characters
Python
List
Data Structures
Asking "is hashable" about a Python value
Python
Hash
How do I prevent fixtures from conflicting with django post_save signal code?
Python
Django
Signals
Fixtures
Django Signals
Python: make eval safe
Python
Eval
How to provide additional initialization for a subclass of namedtuple?
Python
Inheritance
Tuples
How do I check if two variables reference the same object in Python?
Python
Equality
How do you convert a PIL `Image` to a Django `File`?
Python
Django
Python Imaging-Library
Django File-Upload
Django Uploads
How to compare two lists in python?
Python
List
lxml etree xmlparser remove unwanted namespace
Python
Lxml
Xml Parsing
Elementtree
Removing control characters from a string in python
Python
String
Python 3.x
Get legend as a separate picture in Matplotlib
Python
Matplotlib
Automatically Generating Documentation for All Python Package Contents
Python
Python Sphinx
Documentation Generation
Sphinx Apidoc
PIL /JPEG Library: "decoder jpeg not available"
Python
Django
Python Imaging-Library
Redhat
Libjpeg
constants in Python: at the root of the module or in a namespace inside the module?
Python
how to convert list of dict to dict
Python
List
Dictionary
How to parallelize list-comprehension calculations in Python?
Python
Parallel Processing
List Comprehension
Tab completion in Python's raw_input()
Python
Raw Input
Convert structured array to regular NumPy array
Python
Numpy
Recarray
Beautifulsoup - nextSibling
Python
Beautifulsoup
How to display a 3D plot of a 3D array isosurface in matplotlib mplot3D or similar?
Python
Matplotlib
Scipy
Visualization
Volume
Python dictionary creation syntax
Python
Syntax
Dictionary
How to set the labels size on a pie chart in python
Python
Matplotlib
Pie Chart
Labels
Relations on composite keys using sqlalchemy
Python
Sqlalchemy
Key
Composite
Database Relations
Select iframe using Python + Selenium
Python
Selenium
Xpath
Iframe
Css Selectors
Django cannot import name x
Python
Django
Django Models
Getting the array as GET query parameters in Python
Python
List
Flask
Request
Werkzeug
How to multiply individual elements of a list with a number?
Python
Numpy
Multiplication
How do setuptools, distribute, and pip relate to one another?
Python
Pip
Setuptools
Distribute
Convert python long/int to fixed size byte array
Python
Bytearray
Long Integer
Diffie Hellman
Rc4 Cipher
Re-raise Python exception and preserve stack trace
Python
Exception
Stack Trace
How do I call a function twice or more times consecutively?
Python
Function
Shortcut
Sequential
Python - Testing an abstract base class
Python
Oop
Testing
Abc
Python NoneType object is not callable (beginner)
Python
Nonetype
use a relative path in requirements.txt to install a tar.gz file with pip
Python
Pip
scipy linkage format
Python
Scipy
Dendrogram
How to dynamically add / remove periodic tasks to Celery (celerybeat)
Python
Celery
Celerybeat
What makes a user-defined class unhashable?
Python
Class
Python 3.x
User Defined-Types
Hashable
How do I access Meteor's MongoDB from another client, while Meteor is running?
Python
Mongodb
Meteor
How to set ForeignKey in CreateView?
Python
Django
Django Class-Based-Views
How do I change the default virtualenv prompt?
Python
Bash
Virtualenv
Command Prompt
Virtualenvwrapper
Automatically Rescale ylim and xlim in Matplotlib
Python
Matplotlib
How to convert Counter object to dict?
Python
Dictionary
Adding two pandas dataframes
Python
Pandas
Break or exit out of "with" statement?
Python
With Statement
string encoding and decoding?
Python
Python 2.7
Crontab not executing a Python script?
Python
Cron
Can Go really be that much faster than Python?
Python
Performance
Go
Flask broken pipe with requests
Python
Ubuntu
Python 2.7
Flask
Two's Complement Binary in Python?
Python
Binary
Bit Manipulation
Rendered HTML to plain text using Python
Python
Beautifulsoup
Django, filter by specified month and year in date range
Python
Django
Skip first line(field) in loop using CSV file?
Python
Csv
For Loop
jinja2.exceptions.TemplateNotFound error
Python
Flask
Jinja2
Sliding window of M-by-N shape numpy.ndarray
Python
Numpy
Time Series
Sliding Window
How to add column to numpy array
Python
Numpy
python pandas dataframe slicing by date conditions
Python
Dataframe
Pandas
Add days to dates in dataframe
Python
Pandas
Datetime
Running a test suite with over a million test cases
Python
Automated Tests
Robotframework
What is the performance impact of non-unique indexes in pandas?
Python
Performance
Indexing
Pandas
Binary Search
Generate unique id in django from a model field
Python
Django
Django Models
How do I bind the enter key to a function in tkinter?
Python
Python 3.x
Tkinter
Key Bindings
How to set environment variables in Supervisor service
Python
Supervisord
Joining byte list with python
Python
List
Join
Byte
python pandas replacing strings in dataframe with numbers
Python
Replace
Dataframe
Pandas
How to add readonly inline on django admin
Python
Django
Admin
Python OpenCV load image from byte string
Python
Image
Opencv
Byte
How to run another Python program without holding up original
Python
Child Process
Does `anaconda` create a separate PYTHONPATH variable for each new environment?
Python
Scipy
Environment Variables
Anaconda
Selenium versus BeautifulSoup for web scraping
Javascript
Python
Selenium
Beautifulsoup
for or while loop to do something n times
Python
Performance
Loops
For Loop
While Loop
python: sys is not defined
Python
Sys
How to update matplotlib's imshow() window interactively?
Python
Numpy
Matplotlib
Spyder
Python psycopg2 not inserting into postgresql table
Python
Postgresql
Insert
Psycopg2
Append rows to a pandas DataFrame without making a new copy
Python
Pandas
ImportError: matplotlib requires dateutil
Python
Matplotlib
Python Dateutil
Split function add: \xef\xbb\xbf...\n to my list
Python
Split
numpy array: replace nan values with average of columns
Python
Arrays
Numpy
Nan
Passing a function to re.sub in Python
Python
Regex
Insert a Pandas Dataframe into mongodb using PyMongo
Python
Mongodb
Python 2.7
Pandas
Pymongo
How references to variables are resolved in Python
Python
Variables
Python 2.7
Scope
Python Internals
IndexError: tuple index out of range ----- Python
Python
Python 2.7
Mysql Python
pandas.read_csv from string or package data
Python
Csv
Python 3.x
Numpy
Pandas
How to pretty print in ipython notebook via sympy?
Python
Jupyter Notebook
Jupyter
Sympy
Pretty Print
Difference between methods and functions, in Python compared to C++
Python
Function
Oop
Methods
install_requires based on python version
Python
Setuptools
Distutils
Distribute
Install Requires
False Unused Import Statement in PyCharm?
Python
Pycharm
Plot a histogram from a Dictionary
Python
Dictionary
Matplotlib
Histogram
What's the purpose of the "__package__" attribute in Python?
Python
Python 3.x
How to remove pip package after deleting it manually
Python
Pip
How to add Indian Standard Time (IST) in Django?
Python
Django
Python Script to convert Image into Byte array
Python
django settings per application - best practice?
Python
Django
Django Settings
How to write to a file without overwriting current contents?
Python
File Io
Matplotlib: How to plot images instead of points?
Python
Image Processing
Matplotlib
How to access the real value of a cell using the openpyxl module for python
Python
Cell
Openpyxl
str.isdecimal() and str.isdigit() difference example
Python
Python 3.x
Change main plot legend label text
Python
Matplotlib
Pandas
Label
Legend
Which key failed in Python KeyError?
Python
Python 3.x
Appending a dictionary to a list in a loop
Python
List
Dictionary
Append
Try-except clause with an empty except code
Python
Try Except
ImportError: No module named request
Python
Speech Recognition
Individual alpha values in scatter plot
Python
Matplotlib
Alpha
Scatter Plot
Custom validation in Django admin
Python
Django
Django Forms
Django Admin
Django Validation
Sending a form array to Flask
Python
Html
Flask
Find matching rows in 2 dimensional numpy array
Python
Numpy
Scipy
Delete every non utf-8 symbols from string
Python
Mongodb
Encode
Export a Pandas dataframe as a table image
Python
Pandas
Extract Number from String in Python
Python
String
Python 3.x
How to append to bytes in python 3
Python
Python 3.x
Difference between "fill" and "expand" options for tkinter pack method
Python
Tkinter
Plotting grouped data in same plot using Pandas
Python
Pandas
Matplotlib
Seaborn
How to plot a single point in matplotlib
Python
Matplotlib
How to move a tick label in matplotlib
Python
Matplotlib
Label
how to flatten a 2D list to 1D without using numpy?
Python
Arrays
List
Numpy
Global error handler for any exception
Python
Error Handling
Flask
Http Error
How can I partially read a huge CSV file?
Python
Pandas
how to find current day is weekday or weekends in Python?
Python
Python 2.7
Python 3.x
Error packaging Kivy with numpy library for Android using buildozer
Android
Python
Numpy
Kivy
Python pandas: Add a column to my dataframe that counts a variable
Python
Pandas
Count
Group By
Sorting by absolute value without changing the data
Python
Pandas
Sorting
Dataframe
Writing to MySQL database with pandas using SQLAlchemy, to_sql
Python
Mysql
Pandas
Sqlalchemy
Mysql Connector
Spark DataFrame TimestampType - how to get Year, Month, Day values from field?
Python
Timestamp
Apache Spark
Pyspark
Best practices for turning jupyter notebooks into python scripts
Python
Refactoring
Ipython Notebook
Readability
Jupyter
Complexity of len() with regard to sets and lists
Python
Python 3.x
Time Complexity
Python Internals
Combine (join) networkx Graphs
Python
Graph Theory
Networkx
Accessing attributes on literals work on all types, but not `int`; why?
Python
Python 2.7
Python 3.x
Language Lawyer
Get all edges linked to a given node in a networkx graph
Python
Graph Theory
Networkx
Sort filenames in directory in ascending order
Python
Sorting
No module named _cffi_backend
Python
Python 2.6
Python Cffi
Does asyncio supports asynchronous I/O for file operations?
Python
Python 3.x
Python Asyncio
Python 3.5
.pyw files in python program
Python
Python 3.x
Matplotlib - adding subplots to a subplot?
Python
Matplotlib
Figure
Subplot
NameError: name 'raw_input' is not defined
Python
Raw Input
Python scikit learn MLPClassifier "hidden_layer_sizes"
Python
Python 2.7
Scikit Learn
Neural Network
%matplotlib line magic causes SyntaxError in Python script
Python
Matplotlib
Ipython
Spyder
RuntimeError: Invalid DISPLAY variable
Python
Linux
Matplotlib
Is there a need to close files that have no reference to them?
Python
Python 2.7
File
Why does concatenation of DataFrames get exponentially slower?
Python
Performance
Pandas
Concatenation
Processing Efficiency
Is it possible to get pip to print the configuration it is using?
Python
Pip
Apply StringIndexer to several columns in a PySpark Dataframe
Python
Apache Spark
Pyspark
Anaconda: Permanently include external packages (like in PYTHONPATH)
Python
Anaconda
How to get the region of the current user from boto?
Python
Amazon Web-Services
Amazon Ec2
Boto
Aws Sdk
How to get feature importance in xgboost?
Python
Xgboost
Upgrade version of Pandas
Python
Pandas
create anaconda python environment with all packages
Python
Anaconda
Two variables in Python have same id, but not lists or tuples
Python
Python 3.x
Tuples
Identity
Python Internals
Zero pad numpy array
Python
Numpy
Numpy Ndarray
Zero Pad
Zero Padding
Is json.loads() vulnerable to arbitrary code execution?
Python
Json
Serialization
Deserialization
Plot CDF + cumulative histogram using Seaborn Python
Python
Pandas
Seaborn
pandas assign with new column name as string
Python
Pandas
Assign
Columnname
gensim Doc2Vec vs tensorflow Doc2Vec
Python
Tensorflow
Nlp
Gensim
Doc2vec
How to flatten a pandas dataframe with some columns as json?
Python
Json
Pandas
Dataframe
Flatten
Get video dimension in python-opencv
Python
Opencv
Video
Using openCV to overlay transparent image onto another image
Python
Python 2.7
Opencv
How can I change the x axis in matplotlib so there is no white space?
Python
Matplotlib
When using pathlib, getting error: TypeError: invalid file: PosixPath('example.txt')
Python
Python 3.x
Pathlib
Pandas - Strip white space
Python
Csv
Pandas
python: error while loading shared libraries: libpython3.4m.so.1.0: cannot open shared object file: No such file or directory
Python
Python 3.x
Virtualenv
How to stop/kill Airflow tasks from the UI
Python
Hadoop
Airflow
Extract src attribute from img tag using BeautifulSoup
Python
Regex
Beautifulsoup
How to read image file from S3 bucket directly into memory?
Python
Matplotlib
Amazon S3
Boto3
python requests.get() returns improperly decoded text instead of UTF-8?
Python
Utf 8
Python Requests
How to read partitioned parquet files from S3 using pyarrow in python
Python
Parquet
Pyarrow
Fastparquet
Python S3fs
lower() vs. casefold() in string matching and converting to lowercase
Python
String
Pandas - dataframe groupby - how to get sum of multiple columns
Python
Pandas
Dataframe
Pandas Groupby
Unable to import path from django.urls
Python
Django
Python 3.x
Django Views
Grouping tests in pytest: Classes vs plain functions
Python
Pytest
Issues with installing python libraries on Windows : CondaHTTPError: HTTP 000 CONNECTION FAILED for url <https://conda.anaconda.org/anaconda/win-64
Python
Ssl
Https
Anaconda
Conda
Python: How to show matplotlib in flask
Python
Matplotlib
Flask
How to use collections.abc from both Python 3.8+ and Python 2.7
Python
Python 3.x
Python 2.7
Convert from '_io.BytesIO' to a bytes-like object in python3.6?
Python
Python 3.x
Typeerror
Zlib
Bytesio
Asyncio vs. Gevent
Python
Python Asyncio
Gevent
How do I return an image in fastAPI?
Python
Api
Fastapi
What do * (single star) and / (slash) do as independent parameters?
Python
Python 3.x
Function
Parameter Passing
Function Parameter
VSCode doesn't show poetry virtualenvs in select interpreter option
Python
Visual Studio-Code
Python Poetry
Why is Numpy with Ryzen Threadripper so much slower than Xeon?
Python
Performance
Numpy
Intel
Amd Processor
Does Python have a bitfield type?
Python
Bit Fields
Bitarray
dropping trailing '.0' from floats
Python
Sorting and Grouping Nested Lists in Python
Python
How do I enumerate() over a list of tuples in Python?
Python
List
Enumerate
python, unittest: is there a way to pass command line options to the app
Python
Unit Testing
What's the difference between "2*2" and "2**2" in Python?
Python
Syntax
How do I see stdout when running Django tests?
Python
Django
Debugging
Testing
Stdout
Resize a figure automatically in matplotlib
Python
Matplotlib
Parameter substitution for a SQLite "IN" clause
Python
Sqlite
Nose unable to find tests in ubuntu
Python
Nose
python arbitrarily incrementing an iterator inside a loop
Python
Iterator
Automatically remove *.pyc files and otherwise-empty directories when I check out a new branch
Git
Python
Bash
Python socket receive - incoming packets always have a different size
Python
Networking
Timeout
Recv
Run child processes as different user from a long running Python process
Python
Fork
Subprocess
Setuid
How can I use pywin32 with a virtualenv without having to include the host environment's site-packages folder?
Python
Winapi
Virtualenv
Pyinstaller
Django template and the locals trick
Python
Django
Unit Conversion in Python
Python
Units of-Measurement
is there a simple way to get group names of a user in django
Python
Django
Django Admin
Python issue:Unable to find vcvarsall.bat
Python
Mysql
Python for a Perl programmer
Python
Perl
Creating HTML in python
Python
Html
Piping output of subprocess.Popen to files
Python
Subprocess
Stdout
Iterating through two lists in Django templates
Python
Django
Django Templates
How to treat the last element in list differently in Python?
Python
Creating a Colormap Legend in Matplotlib
Python
Matplotlib
SQLAlchemy - Mapping self-referential relationship as one to many (declarative form)
Python
Sqlalchemy
Python Django Global Variables
Python
Django
Memory
Variables
Global
Where to put Django startup code?
Python
Django
Django Middleware
Get screenshot on Windows with Python?
Python
Windows
Screenshot
Is there an R equivalent of the pythonic "if __name__ == "__main__": main()"?
Python
R
unzipping file results in "BadZipFile: File is not a zip file"
Python
Zip
Sorting by arbitrary lambda
Python
Sorting
Escaping chars in Python and sqlite
Python
Sqlite
return SQL table as JSON in python
Python
Sql
Json
Python nose framework: How to stop execution upon first failure
Python
Unit Testing
Using Numpy Vectorize on Functions that Return Vectors
Python
Arrays
Numpy
Vectorization
check if a string matches an IP address pattern in python?
Python
Run Process and Don't Wait
Python
Windows
Subprocess
Get the list of figures in matplotlib
Python
Matplotlib
What's the best way to start learning django?
Python
Django
Matplotlib/pyplot: How to enforce axis range?
Python
Graph
Matplotlib
Axes
Python: CSV write by column rather than row
Python
Csv
Getting Checkbutton state
Python
Tkinter
tkinter.checkbutton
Is there a way in Python to return a value via an output parameter?
Python
How to enable Python support in gVim on Windows?
Python
Vim
When is StringIO used, as opposed to joining a list of strings?
Python
Stringio
Python import src modules when running tests
Python
Unit Testing
Import
Encoding nested python object in JSON
Python
Json
Encode
Check if a predicate evaluates true for all elements in an iterable in Python
Python
create & read from tempfile
Python
Computing an md5 hash of a data structure
Python
Data Structures
Md5
How to write unicode strings into a file?
Python
Unicode
How to get the current Python interpreter path from inside a Python script?
Python
Path
Interpreter
numpy float: 10x slower than builtin in arithmetic operations?
Python
Performance
Numpy
Floating Point
Python GPU programming
Python
Cuda
Gpu
How to limit a number to be within a specified range? (Python)
Python
Max
Min
How do I automatically install missing python modules?
Python
Module
Pypi
Python how to read N number of lines at a time
Python
Lines
Itertools
Choose Python function to call based on a regex
Python
Anonymous Function
Lambda
Making a list of evenly spaced numbers in a certain range in python
List
Range
Python
How to find range overlap in python?
Python
Range
Unable to import Python's email module at all
Python
Email
Writing List of Strings to Excel CSV File in Python
Python
Csv
How to create table during Django tests with managed = False
Python
Django
Unit Testing
python 2 instead of python 3 as the (temporary) default python?
Python
Xpath like query for nested python dictionaries
Python
Xpath
Jmespath
Json Path-Expression
Adding Custom Django Model Validation
Python
Django
Django Models
SQLAlchemy ManyToMany secondary table with additional fields
Python
Orm
Sqlalchemy
Many to-Many
Flask Sqlalchemy
django set DateTimeField to server's current time
Python
Database
Django
Going from twitter date to Python datetime date
Python
Django
Date
Twitter
python try:except:finally
Python
Exception
File Io
Try Catch
How to fill specific positional arguments with partial in python?
Python
Sqlalchemy delete subquery
Python
Sqlalchemy
flask blueprint template folder
Python
Flask
Python ImportError: No module named wx
Python
Importerror
Wxwidgets
The inheritance of attributes using __init__
Python
Inheritance
Attributes
Polymorphism
Kivy for Android apps
Android
Python
Kivy
pdb.set_trace() causing frozen nosetests, does not drop into debugger
Python
Pdb
Nosetests
TypeError: 'int' object is not subscriptable
Python
Python 2.7
How do you import a file in python with spaces in the name?
Python
Import
Filenames
Spaces
Valid JSON giving JSONDecodeError: Expecting , delimiter
Python
Json
Escaping
Rawstring
Memory dump formatted like xxd from gdb
Python
Debugging
Gdb
Pretty Print
Matplotlib python show() returns immediately
Python
Matplotlib
Python json.loads fails with `ValueError: Invalid control character at: line 1 column 33 (char 33)`
Python
Json
Extracting zip file contents to specific directory in Python 2.7
Python
Windows
Compression
Is there a list of characters that look similar to English letters?
Python
Unicode
Glyph
Profanity
zipWith analogue in Python?
Python
Haskell
xls to csv converter
Python
Excel
Csv
Xls
Export to-Csv
How to know current name of the database in Django?
Python
Django
Unit Testing
Python string to unicode
Python
String
Unicode
Python 2.x
Python Unicode
Python mock patch a function called by another function
Python
Unit Testing
Testing
Mocking
Patch
Python ImportError cannot import urandom Since Ubuntu 12.04 upgrade
Python
Ubuntu
Random
Possible to return two lists from a list comprehension?
Python
List Comprehension
Can one partially apply the second argument of a function that takes no keyword arguments?
Python
Arguments
Partial Application
how to get derived class name from base class
Python
Plone
Derived Class
Base Class
Compiling numpy with OpenBLAS integration
Python
Numpy
Blas
Atlas
Openblas
Replace default handler of Python logger
Python
Logging
How do I read the first line of a string?
Python
String
Django url pattern - string parameter
Python
Regex
Django
What is the difference between sets and lists in Python?
Python
List
Set
Returning API Error Messages with Python and Flask
Python
Api
Error Handling
Flask
Good ways to "expand" a numpy ndarray?
Python
Numpy
Multidimensional Array
loop backwards using django template
Python
Django
Django Templates
Modulo operator in Python
Python
Operators
Modulo
Python, Overriding an inherited class method
Python
Inheritance
Methods
Super
Overwrite
Python MySQLDB: Get the result of fetchall in a list
Python
Django
Mysql Python
How can i use multiple requests and pass items in between them in scrapy python
Python
Scrapy
Python's Multiple Inheritance: Picking which super() to call
Python
Multiple Inheritance
Super
Python: significance of -u option?
Python
Merge two objects in Python
Python
Object
Dictionary
Merge
Built In
How can I return a default value for an attribute?
Python
Reflection
Attributes
Default
Void
Convert unicode string dictionary into dictionary in python
Python
Unicode
Dictionary
Saving arrays as columns with np.savetxt
Python
Numpy
AssertionError when threading in Python
Python
Multithreading
Launch IPython notebook with selected browser
Python
Windows
Subprocess
Ipython
Connect to an URI in postgres
Python
Psycopg2
What does "ValueError: object too deep for desired array" mean and how to fix it?
Python
Numpy
Convolution
Valueerror
In python selenium, how does one find the visibility of an element?
Python
Python 2.7
Selenium Webdriver
iterating quickly through list of tuples
Python
Pandas Timedelta in Days
Python
Numpy
Timestamp
Pandas
Using Amazon s3 boto library, how can I get the URL of a saved key?
Python
Amazon S3
Boto
is not JSON serializable
Python
Django
Json
memoize to disk - python - persistent memoization
Python
Memoization
functools.partial on class method
Python
Exception
Methods
Functools
How to perform arithmetic operation on a date in Python?
Python
Datetime
Python 2.7
How to print current date on python3?
Python
Date
Datetime
Time
Replace string/value in entire DataFrame
Python
Replace
Dataframe
Pandas
Long imports in Python
Python
Coding Style
How to check for palindrome using Python logic
Python
String
Palindrome
Is it possible to directly apply an affine transformation matrix to a Mayavi ImageActor object?
Python
Transformation
Mayavi
Create hourly/minutely time range using pandas
Python
Time
Pandas
Range
Replace value for a selected cell in pandas DataFrame without using index
Python
Pandas
Dataframe
Is it possible to define a class constant inside an Enum?
Python
Python 3.x
Enums
Constants
Class Constants
Getting the integer index of a Pandas DataFrame row fulfilling a condition?
Python
Numpy
Pandas
How to debug python application under uWSGI?
Python
Uwsgi
Pandas: Converting to numeric, creating NaNs when necessary
Python
Pandas
Access item in a list of lists
Python
List
Argparse"ArgumentError: argument -h/--help: conflicting option string(s): -h, --help"
Python
Argparse
In OpenCV (Python), why am I getting 3 channel images from a grayscale image?
Python
Opencv
Image Processing
Jpeg
Grayscale
python - os.getenv and os.environ don't see environment variables of my bash shell
Python
Bash
Environment Variables
Pythonpath
What happens when a module is imported twice?
Python
Module
Python Requests: Post JSON and file in single request
Python
Json
Urllib2
Unsupported operand type(s) for +: 'int' and 'str'
Python
Python 3.x
List
Int
Django Rest Framework - Get related model field in serializer
Python
Django
Serialization
Foreign Keys
Django Rest-Framework
Time Series Decomposition function in Python
Python
Time Series
RuntimeWarning: divide by zero encountered in log
Python
Numpy
Flask css not updating
Python
Html
Css
Flask
creating multiple excel worksheets using data in a pandas dataframe
Python
Pandas
Unknown error: Chrome failed to start: exited abnormally
Python
Python 2.7
Testing
Selenium Chromedriver
Should I use `app.exec()` or `app.exec_()` in my PyQt application?
Python
Qt
Python 3.x
Pyqt
Pyqt5
PyCharm Unresolved reference 'print'
Python
Pycharm
Mac using default Python despite Anaconda install
Python
Macos
.Bash Profile
Anaconda
Conda
How to extract all coefficients in sympy
Python
Sympy
Why does numpy.power return 0 for small exponents while math.pow returns the correct answer?
Python
Numpy
Exponentiation
Python, counter atomic increment
Python
Installed virtualenv and virtualenvwrapper: Python says no module named virtualenvwrapper
Python
Macos
Virtualenv
Virtualenvwrapper
Why isn't this a syntax error in python?
Python
Grammar
Conditional Expressions
Set MultiIndex of an existing DataFrame in pandas
Python
Pandas
Dataframe
Indexing
Multi Index
Pandas: Bar-Plot with two bars and two y-axis
Python
Matplotlib
Plot
Pandas
About the changing id of an immutable string
Python
String
Immutability
Python Internals
python, sort descending dataframe with pandas
Python
Sorting
Pandas
@Patch decorator is not compatible with pytest fixture
Python
Mocking
Pytest
Fixtures
Convert variable-sized byte array to a integer/long
Python
Int
Bytearray
The view didn't return an HttpResponse object. It returned None instead
Python
Django
Django Views
Why does Django make migrations for help_text and verbose_name changes?
Python
Django
Database Migration
Django 1.7
Django 1.9
ImportError: No module named enum
Python
Python 2.7
Anaconda
Spyder
Windows 7-X64
How can I easily determine if a Boto 3 S3 bucket resource exists?
Python
Amazon Web-Services
Amazon S3
Boto3
Unsupported operation :not writeable python
Python
Python 3.x
Why not generate the secret key every time Flask starts?
Python
Session
Flask
Session Cookies
Make division by zero equal to zero
Python
Division
Zero
Python Pip install Error: Unable to find vcvarsall.bat. Tried all solutions
Python
Windows
Visual Studio
Python 2.7
Pip
How can I write unit tests against code that uses matplotlib?
Python
Matplotlib
Python Unittest
Explain the aggregate functionality in Spark (with Python and Scala)
Python
Scala
Apache Spark
Aggregate
Rdd
Why Anaconda does not recognize conda command?
Python
Anaconda
Conda
Python JSON encoder convert NaNs to null instead
Python
Json
Numpy
Nan
How do I switch to the active tab in Selenium?
Python
Selenium
Google Chrome-Extension
Still can't install scipy due to missing fortran compiler after brew install gcc on Mac OS X
Python
Macos
Numpy
Fortran
Homebrew
How to get Best Estimator on GridSearchCV (Random Forest Classifier Scikit)
Python
Scikit Learn
Random Forest
Cross Validation
What does "SSLError: [SSL] PEM lib (_ssl.c:2532)" mean using the Python ssl library?
Python
Python 3.x
Ssl
Ssl Certificate
Python Asyncio
Fastest save and load options for a numpy array
Python
Arrays
Performance
Numpy
Io
Finding count of distinct elements in DataFrame in each column
Python
Numpy
Pandas
How to update a document using elasticsearch-py?
Python
Elasticsearch
Elasticsearch Py
Pandas Resampling error: Only valid with DatetimeIndex or PeriodIndex
Python
Pandas
Installing new versions of Python on Cygwin does not install Pip?
Python
Cygwin
Pip
USING LIKE inside pandas.query()
Python
Pandas
Dataframe
Python3 and hmac . How to handle string not being binary
Python
String
Python 3.x
Encoding
Hmac
Python on Electron framework
Python
Frameworks
Cross Platform
Desktop Application
Electron
Compressing directory using shutil.make_archive() while preserving directory structure
Python
Directory
Zip
Shutil
How to use async/await in Python 3.5?
Python
Python 3.x
Async Await
Coroutine
Python 3.5
TypeError: __init__() got an unexpected keyword argument 'type' in argparse
Python
Parsing
Argparse
save() prohibited to prevent data loss due to unsaved related object
Python
Django
Filter a pandas dataframe using values from a dict
Python
Pandas
Tensorflow read images with labels
Python
Tensorflow
Python: how to capture image from webcam on click using OpenCV
Python
Python 2.7
Opencv
TypeError: ufunc 'add' did not contain a loop with signature matching types
Python
Python 3.x
How to install psycopg2 with pg_config error?
Python
Postgresql
Psycopg2
Get all modules/packages used by a python project
Python
Linux
Pyinstaller
Strace
UUID('...') is not JSON serializable
Python
Django
Uuid
PySpark: multiple conditions in when clause
Python
Apache Spark
Dataframe
Pyspark
Apache Spark-Sql
How to create a tuple of an empty tuple in Python?
Python
Tuples
How do I increase the contrast of an image in Python OpenCV
Python
Image
Opencv
Image Processing
Computer Vision
Create a set from a series in pandas
Python
Pandas
Dataframe
Series
Kaggle
How to take the nth digit of a number in python
Python
Int
Clearing Tensorflow GPU memory after model execution
Python
Tensorflow
Gpu
The 'pip==7.1.0' distribution was not found and is required by the application
Python
Python 2.7
Ubuntu
Pip
AttributeError: module 'tensorflow' has no attribute 'reset_default_graph'
Python
Tensorflow
Pycharm
ImportError: Could not import the Python Imaging Library (PIL) required to load image files on tensorflow
Python
Python 2.7
Tensorflow
Python Imaging-Library
Pillow
How to use type hints in python 3.6?
Python
Python 3.x
Type Hinting
Mypy
Python Typing
Basic method chaining
Python
Method Chaining
How do I transpose dataframe in pandas without index?
Python
Pandas
Dataframe
How to calculate precision and recall in Keras
Python
Precision
Keras
Precision Recall
How to restart a failed task on Airflow
Python
Hadoop
Airflow
Visual Studio Code: run Python file with arguments
Python
Debugging
Visual Studio-Code
Tensorflow: How to replace or modify gradient?
Python
Tensorflow
Neural Network
ImportError: No module named 'Cython'
Python
Windows
Pip
Cython
Extract domain from URL in python
Python
Url
How do you fix the "element not interactable" exception?
Python
Python 3.x
Selenium
Selenium Webdriver
Webdriver
stacked bar plot using matplotlib
Python
Matplotlib
Plot
Bar Chart
AttributeError: module 'cv2.cv2' has no attribute 'createLBPHFaceRecognizer'
Python
Windows
Opencv
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x96 in position 35: invalid start byte
Python
Pandas
Csv
What are the differences between lxml and ElementTree?
Python
Lxml
Elementtree
How to check python anaconda version installed on Windows 10 PC?
Python
Anaconda
TypeError: bad operand type for unary ~: float
Python
Pandas
During handling of the above exception, another exception occurred
Python
Python 3.x
How can I check all the installed Python versions on Windows?
Python
Windows
Is there a head and tail method for Numpy array?
Python
Numpy
RemoveError: 'requests' is a dependency of conda and cannot be removed from conda's operating environment
Python
Windows
Conda
ModuleNotFoundError with pytest
Python
Python 3.x
Docker
Pytest
How to position suptitle?
Python
Matplotlib
Detect and visualize differences between two images with OpenCV Python
Python
Image
Opencv
Image Processing
Computer Vision
Tensorflow Data Adapter Error: ValueError: Failed to find data adapter that can handle input
Python
Tensorflow
Keras
Lstm
What is __qualname__ in python?
Python
Python 3.x
What does asyncio.create_task() do?
Python
Python 3.x
Async Await
Python Asyncio
How to solve "error: Microsoft Visual C++ 14.0 or greater is required" when installing Python packages?
Python
Python 3.x
Visual Studio
ImportError: cannot import name '...' from partially initialized module '...' (most likely due to a circular import)
Python
Django
Problems installing python 3.6 with pyenv on Mac OS Big Sur
Python
What is MATLAB good for? Why is it so used by universities? When is it better than Python?
Python
Matlab
What are good ways to make my Python code run first time?
Python
Debugging
How to unquote a urlencoded unicode string in python?
Python
Unicode
Character Encoding
Urllib
W3c
How to configure vim to not put comments at the beginning of lines while editing python files
Python
Vim
How do I create a list of lambdas (in a list comprehension/for loop)?
Python
Lambda
Scope
Closures
List Comprehension
running a command as a super user from a python script
Python
Subprocess
Sudo
SQLAlchemy Obtain Primary Key With Autoincrement Before Commit
Python
Sql
Sqlalchemy
Communicating with a running python daemon
Python
Daemon
Best way to choose a random file from a directory
Python
File
Random
Django admin - inline inlines (or, three model editing at once)
Python
Django
Django Models
Django Admin
Inlines
SQLite Performance Benchmark -- why is :memory: so slow...only 1.5X as fast as disk?
Python
Database
Sqlite
Memory
Benchmarking
How do you reload a Django model module using the interactive interpreter via "manage.py shell"?
Python
Django
Why do pythonistas call the current reference "self" and not "this"?
Python
Special (magic) methods in Python
Python
Find path to currently running file
Python
What is the fastest template system for Python?
Python
Django Templates
Template Engine
Mako
Jinja2
Django admin and showing thumbnail images
Python
Django
Django Admin
Java vs Python on Hadoop
Java
Python
Hadoop
Possible to use more than one argument on __getitem__?
Python
Python: next() function
Python
Sum
Next
Python optparse Values Instance
Python
Dictionary
Optparse
Python Observer Pattern: Examples, Tips?
Python
Design Patterns
Listener
Observer Pattern
Determining version of easy_install/setuptools
Python
Setuptools
Easy Install
compile python .py file without executing
Python
Simple Python Challenge: Fastest Bitwise XOR on Data Buffers
Python
Algorithm
Performance
Xor
How to check if an object is an instance of a namedtuple?
Python
Introspection
Namedtuple
Isinstance
Can Cython compile to an EXE?
Python
Compilation
Cython
how to kill (or avoid) zombie processes with subprocess module
Python
Subprocess
Get a list of field values from Python's sqlite3, not tuples representing rows
Python
Sqlite
Are classes in Python in different files?
Python
Class
Naming Conventions
Obtain Latitude and Longitude from a GeoTIFF File
Python
Math
Geolocation
Tiff
Gdal
How do I use a string as a keyword argument?
Python
How to apply itertools.product to elements of a list of lists?
Python
Itertools
Cartesian Product
Python vs. Java performance (runtime speed)
Java
Python
Performance
Error handling when importing modules
Python
Error Handling
Module
Cross Platform
Change default Python version from 2.4 to 2.6
Python
Linux
Version
Search for a file using a wildcard
Python
File
Wildcard
Why does python use two underscores for certain things?
Python
Syntax
stored procedures with sqlAlchemy
Python
Sql Server
Stored Procedures
Sqlalchemy
Get defining class of unbound method object in Python 3
Python
Python 3.x
Casting an int to a string in Python
Python
String
Integer
Concatenation
plotting unix timestamps in matplotlib
Python
Matplotlib
Remove the newline character in a list read from a file
Python
List
Newline
How to get the list of all initialized objects and function definitions alive in python?
Python
Memory
Python Idle
In Python, how do I check the size of a StringIO object?
Python
__main__ and scoping in python
Python
Scope
How to set another Inline title in Django Admin?
Python
Django
Django Models
Django Admin
Should a return statement have parentheses?
Python
How do you directly overlay a scatter plot on top of a jpg image in matplotlib / Python?
Python
Image
Matplotlib
Overlay
Plot
__init__ and arguments in Python
Python
Class
Oop
Instance
How do I list the current line in python PDB?
Python
Pdb
Using 100% of all cores with the multiprocessing module
Python
Python 3.x
Multiprocessing
Python convert decimal to hex
Python
Function
Decimal
Hex
Python DictWriter writing UTF-8 encoded CSV files
Python
Unicode
Csv
Utf 8
What is the closest thing to WordPress in python instead of php?
Php
Python
Wordpress
What is the difference between an 'sdist' .tar.gz distribution and an python egg?
Python
Egg
Sdist
How do you skip over a list comprehension in Python's debugger (pdb)?
Python
List Comprehension
Pdb
How to set timestamps on GMT/UTC on Python logging?
Python
Logging
Timezone
Utc
Iterating through list of list in Python
Python
List
What is the best way to create a string array in python?
Python
Arrays
String
Where are the ampersand and vertical bar characters used in Python?
Python
Short Circuiting
Why does Python's itertools.permutations contain duplicates? (When the original list has duplicates)
Python
Algorithm
Language Design
Permutation
__init__ as a constructor?
Python
Constructor
Initialization
Yield in a recursive function
Python
Recursion
Iterator
Directory Structure
Yield
Mapping a NumPy array in place
Python
Arrays
Multidimensional Array
Mapping
Numpy
How can I allow django admin to set a field to NULL?
Python
Mysql
Sql
Django
Django Admin
Why is the output of my function printing out "None"?
Python
Function
matplotlib backends - do I care?
Python
Backend
Matplotlib
check output from CalledProcessError
Python
Subprocess
Deleting list elements based on condition
Python
How to right align level field in Python logging.Formatter
Python
Logging
Formatting
Python - Should I put my helper functions inside or outside the class?
Python
Class
Pylint
Select value from list of tuples where condition
Python
List
Tuples
Resource usage of google Go vs Python and Java on Appengine
Java
Python
Google App-Engine
Go
Split string on commas but ignore commas within double-quotes?
Python
Regex
Csv
Split
Double Quotes
Query Mongodb on month, day, year... of a datetime
Python
Mongodb
Datetime
Mongodb Query
Pymongo
How to install a Python package from within IPython?
Python
Module
Installation
Ipython
Is self.__dict__.update(**kwargs) good or poor style?
Python
Oop
Dictionary
Writing robust (color and size invariant) circle detection with OpenCV (based on Hough transform or other features)
C++
Python
C
Opencv
Computer Vision
How to shade region under the curve in matplotlib
Python
Numpy
Matplotlib
Can not activate a virtualenv in GIT bash mingw32 for Windows
Python
Git
Bash
Virtualenv
Git Bash
Find dictionary items whose key matches a substring
Python
Dictionary
Substring
Key
Python -- import the package in a module that is inside the same package
Python
Why does json serialization of datetime objects in python not work out of the box for datetime objects
Python
Json
Serialization
Simplejson
Weighted choice short and simple
Python
Numpy
sorting dictionary python 3
Python
Dictionary
Is there a way to check if NumPy arrays share the same data?
Python
Numpy
Extract all keys from a list of dictionaries
Python
How to implement a subscriptable class in Python (subscriptable class, not subscriptable object)?
Python
Weird timezone issue with pytz
Python
Datetime
Timezone
Pytz
Generator functions equivalent in Java
Java
Python
Iterator
Generator
Python interface for R Programming Language
Python
R
Rpy2
Pyrserve
Pyper
How to print UTF-8 encoded text to the console in Python < 3?
Python
Shell
Encoding
Utf 8
Ascii
StringIO and compatibility with 'with' statement (context manager)
Python
Python 2.x
With Statement
Contextmanager
Forcing application/json MIME type in a view (Flask)
Python
Json
Mime Types
Flask
Where is the Gunicorn config file?
Python
Flask
Gunicorn
building Python from source with zlib support
Python
Python 3.x
String function to strip the last comma
Python
Drop non-numeric columns from a pandas DataFrame
Python
Pandas
Python load json file with UTF-8 BOM header
Python
Json
Why is startswith slower than slicing
Python
Startswith
Editing django-rest-framework serializer object before save
Python
Django
Serialization
Django Rest-Framework
Django Serializer
Feature Selection and Reduction for Text Classification
Python
Nlp
Svm
Sentiment Analysis
Feature Extraction
Error: Segmentation fault (core dumped)
Python
Python: How to get the length of itertools _grouper
Python
Group By
Itertools
How can I parse a website using Selenium and Beautifulsoup in python?
Python
Selenium
Beautifulsoup
How to add timezone into a naive datetime instance in python
Python
Datetime
Timezone
Pytz
Custom tab completion in python argparse
Python
Bash
Command Line-Interface
Argparse
Tab Completion
Malformed String ValueError ast.literal_eval() with String representation of Tuple
Python
Parsing
Python 2.x
Abstract Syntax-Tree
Representation
Is the shortcircuit behaviour of Python's any/all explicit?
Python
Short Circuiting
Language Specifications
Time difference in seconds from numpy.timedelta64
Python
Datetime
Numpy
Bad Django / uwsgi performance
Python
Django
Uwsgi
Django Rest-Framework
Python pip install module is not found. How to link python to pip location?
Python
Module
Path
Installation
Homebrew
Using virtualenv with spaces in a path
Python
Macos
Virtualenv
Pip
Grouping Python dictionary keys as a list and create a new dictionary with this list as a value
Python
List
Dictionary
How to clear Tkinter Canvas?
Python
Python 3.x
Tkinter
Tkinter Canvas
Relative import in Python 3 is not working
Python
Import
Module
Returning distinct rows in SQLAlchemy with SQLite
Python
Sqlite
Sqlalchemy
Opencv polylines function in python throws exception
Python
Opencv
Numpy
Points
What is inf and nan?
Python
Python 2.7
Python convert csv to xlsx
Python
Excel
File
Csv
Xlsx
Extract email sub-strings from large document
Python
String
range in jinja2 inside a for loop
Python
Loops
Jinja2
What's the best way to generate random strings of a specific length in Python?
Python
Random
TypeError: 'int' object does not support indexing
Python
Sql
Postgresql
Convert pyQt UI to python
Python
Pyqt
Maya
Pymel
python: scatter plot logarithmic scale
Python
Matplotlib
Logarithm
os.mkdir(path) returns OSError when directory does not exist
Python
System
Mkdir
Can't set attribute for subclasses of namedtuple
Python
Class
Python 3.x
Namedtuple
How to create a utility class correctly
Python
Class
How to extract dictionary single key-value pair in variables
Python
Python 2.7
Dictionary
Iterable Unpacking
Improving the extraction of human names with nltk
Python
Nlp
Nltk
Add all elements of an iterable to list
Python
List
Tuples
Why do I get only one parameter from a statsmodels OLS fit
Python
Pandas
Linear Regression
Statsmodels
how to do a left,right and mid of a string in a pandas dataframe
Python
Pandas
Second y-axis label getting cut off
Python
Graph
Matplotlib
Loading .RData files into Python
Python
R
Rdata
List database tables with SQLAlchemy
Python
Database
Sqlalchemy
List available tests with py.test
Python
Unit Testing
Pytest
Is there a performance difference between Numpy and Pandas?
Python
Numpy
Pandas
How to make an optional value for argument using argparse?
Python
Python 3.x
Argparse
python; modifying list inside a function
Python
List
Calculate summary statistics of columns in dataframe
Python
Pandas
Csv
Dataframe
Profiling
Code for best fit straight line of a scatter plot in python
Python
Plot
How to use cmp() in Python 3?
Python
Python 3.x
Python 3.4.0 with MySQL database
Python
Mysql
Python 3.x
Mysql Python
Python 3.4
How do I connect to SQL Server via sqlalchemy using Windows Authentication?
Python
Sql Server
Sqlalchemy
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 23: ordinal not in range(128)
Python
Encoding
Utf 8
unexpected results converting timezones in python
Python
Datetime
Timezone
Pytz
Tracking progress of joblib.Parallel execution
Python
Multithreading
Parallel Processing
Multiprocessing
Joblib
Why should I close files in Python?
Python
View RDD contents in Python Spark?
Python
Apache Spark
Why is variable1 += variable2 much faster than variable1 = variable1 + variable2?
Python
Html
String
Performance
Python Internals
About char b prefix in Python3.4.1 client connect to redis
Python
Redis
ImportError HDFStore requires PyTables No module named tables
Python
Pandas
Hdf5
Decoding base64 from POST to use in PIL
Python
Flask
Base64
Python Imaging-Library
Pillow
Rename unnamed column pandas dataframe
Python
Pandas
Csv
Search for String in all Pandas DataFrame columns and filter
Python
Pandas
Normalizing a list of numbers in Python
Python
Probability
Detect strings with non English characters in Python
Python
Regex
Non English
How to install Anaconda python for all users?
Python
Anaconda
How to declare a static attribute in Python?
Python
Class
Static
Attributes
Django Rest Framework writable nested serializers
Python
Django
Serialization
Django Rest-Framework
pylint 1.4 reports E1101(no-member) on all C extensions
Python
Pylint
Python Extensions
Why is this printing 'None' in the output?
Python
Nonetype
Getting model attributes from pipeline
Python
Scikit Learn
Pipeline
What is the difference between Image.resize and Image.thumbnail in Pillow-Python
Python
Python Imaging-Library
Pillow
How to retain column headers of data frame after Pre-processing in scikit-learn
Python
Numpy
Pandas
Scikit Learn
Check which columns in DataFrame are Categorical
Python
Pandas
How do you check if the client for a MongoDB instance is valid?
Python
Mongodb
Pymongo
How to get scalar value on a cell using conditional indexing
Python
Pandas
Changing values of a list of namedtuples
Python
List
Python 3.x
Tuples
How can I install a conda environment when offline?
Python
Anaconda
Conda
psycopg2 insert python dictionary as json
Python
Postgresql
Dictionary
Psycopg2
What does "app.run(host='0.0.0.0') " mean in Flask
Python
Web
Tcp
Flask
Server
Cross-correlation (time-lag-correlation) with pandas?
Python
Numpy
Pandas
Correlation
Cross Correlation
Why are the values of an OrderedDict not equal?
Python
Python 3.x
Dictionary
Ordereddictionary
Choropleth map using folium and pandas
Python
Choropleth
Folium
Fillna in multiple columns in place in Python Pandas
Python
Pandas
Dataframe
Tensorflow python : Accessing individual elements in a tensor
Python
Python 2.7
Tensorflow
Splitting timestamp column into separate date and time columns
Python
Pandas
Date
Datetime
Time
Set vs. frozenset performance
Python
Performance
Set
Frozenset
Python2: Should I use Pickle or cPickle?
Python
Serialization
Pickle
Python 2.x
Darken or lighten a color in matplotlib
Python
Matplotlib
Colors
seaborn color_palette as matplotlib colormap
Python
Matplotlib
Plot
Seaborn
How can I get descriptive statistics of a NumPy array?
Python
Numpy
Multidimensional Array
Scipy
Unexpected '{' in field name when doing string formatting
Python
Python 3.x
String Formatting
Steps to Troubleshoot "django.db.utils.ProgrammingError: permission denied for relation django_migrations"
Python
Django
Apache
Postgresql
Github
Getting Second-to-Last Element in List
Python
List
Indexing
In Pandas, how to delete rows from a Data Frame based on another Data Frame?
Python
Pandas
Merge
Append an empty row in dataframe using pandas
Python
Python 2.7
Pandas
Call another click command from a click command
Python
Command Line-Arguments
Stdout
Piping
Python Click
Comparing previous row values in Pandas DataFrame
Python
Pandas
Numpy
Boolean
Shift
Draw a rectangle and a text in it using PIL
Python
Python 3.x
Image Processing
Python Imaging-Library
python pip on Windows - command 'cl.exe' failed
Python
Windows
Pip
Understanding tensordot
Python
Numpy
Linear Algebra
Tensor
Dot Product
Pandas convert string to int
Python
Pandas
NumPy version of "Exponential weighted moving average", equivalent to pandas.ewm().mean()
Python
Pandas
Numpy
Vectorization
Smoothing
Custom loss function in Keras
Python
Tensorflow
Keras
Deep Learning
Computer Vision
Python-redis keys() returns list of bytes objects instead of strings
Python
Redis
Pandas - Slice large dataframe into chunks
Python
Pandas
Dataframe
Slice
NameError: name 'exit' is not defined
Python
Cx Freeze
List with duplicated values and suffix
Python
List
List Comprehension
Suffix
LCP with sparse matrix
Python
Scipy
Sparse Matrix
Python pandas: how to remove nan and -inf values
Python
Python 3.x
Pandas
Numpy
Dataframe
Tilde sign in pandas DataFrame
Python
Pandas
Dataframe
How to set cookie in Python Flask?
Python
Cookies
Flask
Coverage.py warning: No data was collected. (no-data-collected)
Python
Django
Pytest
coverage.py
Test Coverage
ImportError: No module named 'spacy.en'
Python
Spacy
How to make new anaconda env from yml file
Python
Python 3.x
Anaconda
How do I install Jupyter notebook on an Android device?
Android
Python
Jupyter
Termux
Why are single type constraints disallowed in Python?
Python
Types
Python 3.6
ValueError: Shape of passed values is (1, 6), indices imply (6, 6)
Python
Pandas
Flask
Valueerror
Requirements.txt greater than equal to and then less than?
Python
Django
requirements.txt
how to ignore index comparison for pandas assert frame equal
Python
Pandas
How do I create a multiline plot using seaborn?
Python
Python 3.x
Dataframe
Plot
Seaborn
How to fix this strange error: "RuntimeError: CUDA error: out of memory"
Python
Pytorch
Why is linear read-shuffled write not faster than shuffled read-linear write?
Python
Performance
Numpy
X86
Cpu Cache
Jupyter notebook: No connection to server because websocket connection fails
Python
Jupyter Notebook
How to fix "AttributeError: module 'tensorflow' has no attribute 'get_default_graph'"?
Python
Tensorflow
Keras
Keras Layer
tf.keras
Evaluating pytorch models: `with torch.no_grad` vs `model.eval()`
Python
Machine Learning
Deep Learning
Pytorch
Autograd
How to control the parallelism or concurrency of an Airflow installation?
Python
Google Cloud-Platform
Airflow
Google Cloud-Composer
Why was p[:] designed to work differently in these two situations?
Python
Python 3.x
Slice
How to fix ssl.SSLError: [SSL: WRONG_VERSION_NUMBER] wrong version number (_ssl.c:1056)?
Python
Ssl
Smtplib
ERROR: Could not build wheels for cryptography which use PEP 517 and cannot be installed directly
Python
Pip
Cryptography
Python Cryptography
Python 3.7 on Ubuntu 20.04
Python
Python 3.7
Ubuntu 20.04
Ignore case in Python strings
Python
String
Case Insensitive
How do you access an authenticated Google App Engine service from a (non-web) python client?
Python
Web Services
Google App-Engine
Authentication
How are you planning on handling the migration to Python 3?
Python
Migration
Python 3.x
Python 2to3
Python: urllib/urllib2/httplib confusion
Python
Http
Urllib2
Dynamic Keyword Arguments in Python?
Python
Weighted random selection with and without replacement
Python
Algorithm
Random
Random Sample
Modify bound variables of a closure in Python
Python
Functional Programming
Closures
Django on IronPython
Python
Django
Ironpython
How can I get all rows with keys provided in a list using SQLalchemy?
Python
Select
Sqlalchemy
In what situation should the built-in 'operator' module be used in python?
Python
Operators
How can you use Python in Vim?
Python
Vim
Save and run at the same time in Vim
Python
Vim
Is there a way to overload += in python?
Python
Operator Overloading
How to access data when form.is_valid() is false
Python
Django
Forms
Formset
Cleaned Data
Tool to determine what lowest version of Python required?
Python
Code Analysis
Using Sql Server with Django in production
Python
Sql Server
Django
Pyodbc
logging with filters
Python
Logging
How do you call Python code from C code?
Python
C
Interop
Cross Domain
Disabling Python nosetests
Python
Nosetests
How to get Python exception text
C++
Python
Exception
Boost Python
Where is the Python documentation for the special methods? (__init__, __new__, __len__, ...)
Python
Class
Magic Methods
Differences between Framework and non-Framework builds of Python on Mac OS X
Python
Macos
Frameworks
Disable link to edit object in django's admin (display list only)?
Python
Django
Django Admin
Modeladmin
How to reference python package when filename contains a period
Python
Import
Module
Package
Python Import
Python logging before you run logging.basicConfig?
Python
Logging
In Python, how can I put a thread to sleep until a specific time?
Python
Is the order of a Python dictionary guaranteed over iterations?
Python
Dictionary
Numpy
Scipy
Scientific Computing
Subtracting two lists in Python
Python
List
Collections
Print only the message on warnings
Python
Warnings
Count number of records by date in Django
Python
Django
Django Models
Django Queryset
How to limit the heap size?
Python
Linux
Memory
Duplicate each member in a list
Python
List
Duplicates
A general tree implementation?
Python
Python 3.x
Scipy sparse... arrays?
Python
Matrix
Numpy
Scipy
Sparse Matrix
how to do bitwise exclusive or of two strings in python?
Python
String
Bitwise Operators
Screen scraping: getting around "HTTP Error 403: request disallowed by robots.txt"
Python
Screen Scraping
Beautifulsoup
Mechanize
Http Status-Code-403
Django - The included urlconf doesn't have any patterns in it
Python
Django
Pros and cons for different configuration formats?
Python
Json
Xml
Google App-Engine
Configuration Files
Python Compilation/Interpretation Process
Python
Compiler Construction
Interpreter
Python Internals
Aggregating save()s in Django?
Python
Sql
Django
Sqlite
How do I use '~' (tilde) in the context of paths?
Python
Path
Tilde
how to deal with .mdb access files with python
Python
Ms Access
What is the most 'pythonic' way to logically combine a list of booleans?
Python
List
Boolean
Determine whether a key is present in a dictionary
Python
Dictionary
How to suppress a third-party warning using warnings.filterwarnings
Python
Suppress Warnings
Paramiko
Pycrypto
how to declare variable type, C style in python
Python
C
Variables
Is it ok to skip "return None"?
Python
Function
Return Value
Execute an installed Python package as a script?
Python
Django model inheritance: create sub-instance of existing instance (downcast)?
Python
Django
Inheritance
How to insert 'NULL' values into PostgreSQL database using Python?
Python
Postgresql
Null
Psycopg2
Nonetype
Launch an IPython shell on exception
Python
Debugging
Ipython
Find the index of the first digit in a string
Python
Regex
String
Accessing the user's request in a post_save signal
Python
Django
Signals
What does Python optimization (-O or PYTHONOPTIMIZE) do?
Python
Optimization
Python 3.x
Python: Using xpath locally / on a specific element
Python
Xpath
Lxml
How Do I Keep Python Code Under 80 Chars Without Making It Ugly?
Python
SQLAlchemy query where a column contains a substring
Python
Sqlite
Sqlalchemy
pymysql fetchall() results as dictionary?
Python
Mysql
Colour chart for Tkinter and Tix
Python
Tkinter
Tix
Reading e-mails from Outlook with Python through MAPI
Python
Outlook
Exchange Server
Mapi
cdo.message
How do I prevent a C shared library to print on stdout in python?
Python
Ctypes
Python 2.x
Need to add space between SubPlots for X axis label, maybe remove labelling of axis notches
Python
Matplotlib
random byte string in python
Python
String
Random
Hex
How to iterate over the file in python
Python
Python spawn off a child subprocess, detach, and exit
Python
Linux
Unix
Subprocess
Python: find all classes which inherit from this one?
Python
Inheritance
Get date from ISO week number in Python
Python
Iso
Week Number
UnicodeDecodeError: 'utf8' codec can't decode bytes in position 3-6: invalid data
Python
Unicode
Python 2.x
Modifying global variables in Python unittest framework
Python
Unit Testing
Global Variables
How do you escape strings for SQLite table/column names in Python?
Python
Sqlite
Why does pip freeze report some packages in a fresh virtualenv created with --no-site-packages?
Python
Ubuntu
Virtualenv
Pip
Inverse Cosine in Python
Python
Math
Trigonometry
How to pass arguments to functions by the click of button in PyQt?
Python
Function
Arguments
Pyqt4
Argument Passing
How to delete a directory created with tempfile.mkdtemp?
Python
Linux
Subclass dict: UserDict, dict or ABC?
Python
Subclass
Is there anything like VirtualEnv for Java?
Java
Python
Virtualenv
Jvm Languages
parsing excel documents with python
Python
Excel
Parsing
How do you set the absolute position of figure windows with matplotlib?
Python
Matplotlib
How do chained assignments work?
Python
Python 3.x
Python return statement error " 'return' outside function"
Python
How to split long regular expression rules to multiple lines in Python
Python
Regex
Using Design by Contract in Python
Python
Design by-Contract
How to mock a function defined in a module of a package?
Python
Mocking
Assignment with "or" in python
Python
Coding Style
Variable Assignment
Formatting timedelta objects
Python
Datetime
Formatting
Python List Slicing with Arbitrary Indices
Python
List
Slice
Is it bad practice to use a built-in function name as an attribute or method identifier?
Python
Namespaces
Python 3.x
Reserved Words
Naming Conventions
using class methods as celery tasks
Python
Django Celery
More than one static path in local Flask instance
Python
Html
Flask
Python here document without newlines at top and bottom
Python
String
Printing
Heredoc
Math operations from string
Python
String
Math
How to delete rows from a table using an SQLAlchemy query without ORM?
Python
Orm
Sqlalchemy
Python: Reducing memory usage of dictionary
Python
Memory
Dictionary
Compression
N Gram
Divide a dictionary into variables
Python
Python 2.7
Measure website load time with Python requests
Python
Networking
Delay
Python Requests
Timeit
Start a Function at Given Time
Python
Time
Scheduler
Python PIL has no attribute 'Image'
Python
Import
Python Imaging-Library
A system independent way using python to get the root directory/drive on which python is installed
Python
Path
Operating System
Cross Platform
How to get text of an element in Selenium WebDriver, without including child element text?
Python
Html
Selenium
Selenium Webdriver
Is there a direct approach to format numbers in jinja2?
Python
Google App-Engine
Jinja2
How to define free-variable in python?
Python
Image size (Python, OpenCV)
Python
Opencv
Size
Using sudo with Python script
Python
Shell
Subprocess
How to replace unicode characters in string with something else python?
Python
Unicode
Create new class instance from class method
Python
Object
Copy
Initialize list with same bool value
Python
List
Initialization
Boolean
How to use logging with python's fileConfig and configure the logfile filename
Python
File
Logging
Console
Weird behaviour initializing a numpy array of string data
Python
Numpy
Not a Valid Choice for Dynamic Select Field WTFORMS
Python
Flask
Wtforms
List only files in a directory?
Python
How to change marker border width and hatch width?
Python
Matplotlib
Display a ‘loading’ message while a time consuming function is executed in Flask
Python
Html
Flask
Loading
Is there a numpy/scipy dot product, calculating only the diagonal entries of the result?
Python
Numpy
Scipy
Product
Catching a 500 server error in Flask
Python
Flask
How to automatically run tests when there's any change in my project (Django)?
Python
Django
Unit Testing
Testing
Nose
`os.symlink` vs `ln -s`
Python
Linux
Bash
Symlink
What does print()'s `flush` do?
Python
Python 3.x
How to perform two-sample one-tailed t-test with numpy/scipy
Python
Scipy
Statistics
Can I import a CSV file and automatically infer the delimiter?
Python
File
Csv
Import
Delimiter
What do the three arrow (">>>") signs mean?
Python
Syntax
Command Prompt
Code Documentation
pip: Could not find an activated virtualenv (required)
Python
Osx Mountain-Lion
Virtualenv
Pip
Generating a dense matrix from a sparse matrix in numpy python
Python
Arrays
Numpy
Scipy
Sparse Matrix
Process very large (>20GB) text file line by line
Python
Line
dict() vs { } in python which is better?
Python
Python 2.7
How to set the pandas dataframe data left/right alignment?
Python
Pandas
confidence and prediction intervals with StatsModels
Python
Statistics
Statsmodels
Python saving multiple figures into one PDF file
Python
Matplotlib
Python Multiprocessing Process or Pool for what I am doing?
Python
Multithreading
Asynchronous
Multiprocessing
When calling super() in a derived class, can I pass in self.__class__?
Python
Python 2.7
Super
How do I run uwsgi with virtualenv
Python
Flask
Virtualenv
Uwsgi
Replace all quotes in a string with escaped quotes?
Python
String
Replace
How to process images of a video, frame by frame, in video streaming using OpenCV and Python
Python
Opencv
Video
Video Streaming
Ending an infinite while loop
Python
While Loop
Infinite Loop
Faster way to remove stop words in Python
Python
Regex
Stop Words
Simplest way of checking for string that contains a string in list?
Python
String
List
How to change the legend edgecolor and facecolor in matplotlib
Python
Matplotlib
Best way to identify and extract dates from text Python?
Python
Parsing
Date
Nlp
Install a package and write to requirements.txt with pip
Python
Pip
Python multiprocessing's Pool process limit
Python
Multiprocessing
Cpu Cores
Convert XLSX to CSV correctly using python
Python
Excel
Python 2.7
Csv
How to create a lagged data structure using pandas dataframe
Python
Pandas
Convert Pandas dataframe to Sparse Numpy Matrix directly
Python
Numpy
Pandas
Scipy
Fix invalid polygon in Shapely
Python
Geometry
Shapely
How to display text in pygame?
Python
Text
Pygame
Convert a string key to int in a Dictionary
Python
Json
Dictionary
Convert Python list to pandas Series
Python
List
Pandas
Dataframe
Series
Namespace vs regular package
Python
Python 3.x
Package
Difference between np.int, np.int_, int, and np.int_t in cython?
Python
C
Numpy
Cython
Redis Python - how to delete all keys according to a specific pattern In python, without python iterating
Python
Django
Redis
Django Cache
Redis Py
Python: Is there an equivalent of mid, right, and left from BASIC?
Python
Basic
Python Enum, when and where to use?
Python
Enums
Python 3.4
What is the safest way to removing Python framework files that are located in different place than Brew installs
Python
Macos
Homebrew
Brew Doctor
Set LD_LIBRARY_PATH before importing in python
Python
Import
Environment Variables
Sys
Swapping the dimensions of a numpy array
Python
Arrays
Optimization
Numpy
Dimensions
uWSGI request timeout in Python
Python
Uwsgi
How to change default install location for pip
Python
Pip
Using an extra python package index url with setup.py
Python
Pip
Packaging
setup.py
Pypi
Python split list into n chunks
Python
How can I use functools.singledispatch with instance methods?
Python
Python 3.x
Python 3.4
Instance Method
Single Dispatch
deepcopy() is extremely slow
Python
Optimization
Deep Copy
Print not showing in ipython notebook
Python
Printing
Ipython
Jupyter Notebook
AttributeError: 'Flask' object has no attribute 'user_options'
Python
Flask
Celery
List of objects to JSON with Python
Python
Json
Object
Serialization
python + SQLAlchemy: deleting with the Session object
Python
Sqlalchemy
Why does PyCharm use 120 Character Lines even though PEP8 Specifies 79?
Python
Pycharm
Pep8
forward fill specific columns in pandas dataframe
Python
Pandas
django development server, how to stop it when it run in background?
Python
Django
Server
How to install PyPi packages using anaconda conda command
Python
Pip
Anaconda
Pypi
Conda
Convert Gregorian (Christian) date to Persian date and vice-versa in Python
Python
Date
Datetime
How to get back name of the enum element?
Python
Enums
Microsoft Visual C++ Compiler for Python 3.4
Python
Windows
Python 3.x
Compilation
Python: Read several json files from a folder
Python
Json
Pandas
What does np.r_ do (numpy)?
Python
Numpy
Merge
How to mock.patch a class imported in another module
Python
Unit Testing
Packaging legacy Fortran in Python. Is it OK to use setuptools and numpy.distutils?
Python
Numpy
Fortran
Setuptools
F2py
using sqlalchemy to load csv file into a database
Python
Database
Sqlalchemy
Using explicit (predefined) validation set for grid search with sklearn
Python
Validation
Scikit Learn
Cross Validation
Why does Django Rest Framework discourage model level validation?
Python
Django
Serialization
Django Models
Django Rest-Framework
Pandas converting row with unix timestamp (in milliseconds) to datetime
Python
Pandas
Datetime
BdbQuit raised when debugging Python with pdb
Python
Python 2.7
Debugging
Pdb
Ipdb
How can one display an image using cv2 in Python
Python
Opencv
Matplotlib
TypeError: Invalid dimensions for image data when plotting array with imshow()
Python
Arrays
Numpy
Matplotlib
Python - make a POST request using Python 3 urllib
Python
Http
Post
Web Scraping
Urllib
Why does Python installed via Homebrew not include Tkinter
Python
Python 3.x
Macos
Tkinter
Python 3.5.1 urllib has no attribute request
Python
Python 3.x
Urllib
Urlopen
Why is statistics.mean() so slow?
Python
Performance
Mean
What do all the distributions available in scipy.stats look like?
Python
Matplotlib
Scipy
Statistics
Distribution
What is the difference between native int type and the numpy.int types?
Python
Numpy
Lambdas from a list comprehension are returning a lambda when called
Python
Lambda
pandas read_json: "If using all scalar values, you must pass an index"
Python
Json
Pandas
np arrays being immutable - "assignment destination is read-only"
Python
Arrays
Numpy
How to make an integer larger than any other integer?
Python
Python 3.x
Infinity
dataframe.describe() suppress scientific notation
Python
Pandas
Dataframe
Anaconda not found in ZSh?
Python
Macos
Ipython
Anaconda
Zsh
Using flask inside class
Python
Flask
How to write the output to html file with Python BeautifulSoup
Python
Html
Beautifulsoup
Pandas read nested json
Python
Json
Parsing
Pandas
Please explain "Task was destroyed but it is pending!" after cancelling tasks
Python
Python 3.x
Python 3.4
Python Asyncio
Sorting columns and selecting top n rows in each group pandas dataframe
Python
Pandas
dlib installation on Windows 10
Python
Image Processing
Dlib
TypeError: '<=' not supported between instances of 'str' and 'int'
Python
Python 3.x
scikit-learn random state in splitting dataset
Python
Random
Machine Learning
Scikit Learn
Remove first x number of characters from each row in a column of a Python dataframe
Python
String
Pandas
Dataframe
Replace
"The provided key element does not match the schema" error when getting an item from DynamoDB
Python
Amazon Dynamodb
Boto3
python csv2libsvm.py: AttributeError: '_csv.reader' object has no attribute 'next'
Python
Csv
Libsvm
How do you create a custom activation function with Keras?
Python
Keras
Keras Layer
How to configure __main__.py, __init__.py, and setup.py for a basic package setup?
Python
Pip
Setuptools
Read XLSB File in Pandas Python
Python
Pandas
Python Pandas replace multiple columns zero to Nan
Python
Pandas
Dataframe
Data Cleaning
What does 'weight' do in tkinter?
Python
Tkinter
PYODBC--Data source name not found and no default driver specified
Python
Sql
Pyodbc
JSON.stringify (Javascript) and json.dumps (Python) not equivalent on a list?
Javascript
Python
Json
How to suppress pip upgrade warning?
Python
Pip
Convert np.array of type float64 to type uint8 scaling values
Python
Image
Numpy
Opencv
Image Processing
preprocess_input() method in keras
Python
Keras
How Pytorch Tensor get the index of specific value
Python
Pytorch
pip3 error - '_NamespacePath' object has no attribute 'sort'
Python
Pip
Python 3.5
Attributeerror
How can I change the Python version in Visual Studio Code?
Python
Visual Studio-Code
How do I append a string to a Path in Python?
Python
Python 3.x
Pathlib
Load S3 Data into AWS SageMaker Notebook
Python
Amazon Web-Services
Amazon S3
Machine Learning
Amazon Sagemaker
Error when checking target: expected dense_3 to have shape (3,) but got array with shape (1,)
Python
Python 3.x
Tensorflow
Keras
Exporting Data from google colab to local machine
Python
Google Colaboratory
Matplotlib: Nose, Tornado
Python
Matplotlib
Pip
Jupyter
python-asyncio TypeError: object dict can't be used in 'await' expression
Python
Python Asyncio
How to set the root directory for Visual Studio Code Python Extension?
Python
Visual Studio-Code
Using pytest with a src layer
Python
Pytest
Python Packaging
Tensorflow Allocation Memory: Allocation of 38535168 exceeds 10% of system memory
Python
Tensorflow
Memory
Keras Layer
Resnet
Tensorflow Custom TFLite java.lang.NullPointerException: Cannot allocate memory for the interpreter
Android
Python
Tensorflow
A comparison between fastparquet and pyarrow?
Python
Parquet
Dask
Pyarrow
Fastparquet
Where do I put my python files in the venv folder?
Python
Virtualenv
Directory Structure
Use pandas.shift() within a group
Python
Pandas
Pandas Groupby
numpy is already installed with Anaconda but I get an ImportError (DLL load failed: The specified module could not be found)
Python
Python 3.x
Numpy
Pycharm
What is the meaning of bind = True keyword in celery?
Python
Django
Celery
Django ImportError: cannot import name 'render_to_response' from 'django.shortcuts'
Python
Django
Python 3.x
Django Views
Django 3.0
AttributeError: module 'tensorflow' has no attribute 'ConfigProto'
Python
Tensorflow
How to fix " AttributeError at /api/doc 'AutoSchema' object has no attribute 'get_link' " error in Django
Python
Django
Python 3.7
Django 2.0
How to fix AttributeError: partially initialized module?
Python
Python 3.x
Python generating a list of dates between two dates
Python
Pandas
Dataframe
Why is math.sqrt massively slower than exponentiation?
Python
Performance
Macos Catalina
Python 3.8
How can I search a word in a Word 2007 .docx file?
Python
Ms Word
Openxml
Docx
How do I find what is using memory in a Python process in a production system?
Python
Memory Leaks
Coredump
How to fetch more than 1000?
Python
Google App-Engine
Google Cloud-Datastore
Adding REST to Django
Python
Django
Apache
Rest
py2exe fails to generate an executable
Python
Wxpython
Py2exe
How can I install the Beautiful Soup module on the Mac?
Python
Macos
Module
Installation
Dynamic/runtime method creation (code generation) in Python
Python
Metaprogramming
Exec
How to use boolean 'and' in Python
Python
Boolean Logic
Using MultipartPostHandler to POST form-data with Python
Python
File
Upload
Urllib2
Multipartform Data
Python: Get HTTP headers from urllib2.urlopen call?
Python
Urllib
Forwarding
Generic many-to-many relationships
Python
Django
Generics
Django Models
Many to-Many
Matrix from Python to MATLAB
Python
Matlab
File Io
Import
Matrix
Sorting a dictionary with lists as values, according to an element from the list
Python
List
Sorting
Dictionary
Find out how many times a regex matches in a string in Python
Python
Regex
Check if a parameter is a Python module?
Python
Types
Making Python's `assert` throw an exception that I choose
Python
Exception
Assert
Python def function: How do you specify the end of the function?
Python
Syntax
Efficient way to convert strings from split function to ints in Python
Python
Variables
Casting
Swapping 1 with 0 and 0 with 1 in a Pythonic way
Python
Does Python support MySQL prepared statements?
Python
Mysql
Prepared Statement
How can I pass a variable in a decorator to function's argument in a decorated function?
Python
Decorator
What is the best approach to change primary keys in an existing Django app?
Python
Django
Data Migration
Django South
Subclassing Python dictionary to override __setitem__
Python
Dictionary
Subclass
Vim's Omnicompletion with Python just doesn't work
Python
Vim
Autocomplete
Omnicomplete
Escape SQL "LIKE" value for Postgres with psycopg2
Python
Postgresql
Psycopg2
Python Db-Api
How do I extend the Django Group model?
Python
Django
Django Models
How to customize the auth.User Admin page in Django CRUD?
Python
Django
Django Admin
Django Users
How do I install boto?
Python
Installation
Boto
Iterating over key and value of defaultdict dictionaries
Python
Dictionary
Iterator
parsing .properties file in Python
Python
Key Value
Ini
plotting results of hierarchical clustering ontop of a matrix of data in python
Python
Cluster Analysis
Machine Learning
Matplotlib
Scipy
What is the difference between a module and a script in Python?
Python
Scripting
Module
Reduce list of Python objects to dict of object.id -> object
Python
Lambda
Dictionary
Are object literals Pythonic?
Python
Object Literal
How to import all submodules?
Python
Import
Module
How can I get the object count for a model in Django's templates?
Python
Django
Django Models
IPython workflow (edit, run)
Python
User Interface
Ipython
Python Idle
Java - How to do Python's Try Except Else
Java
Python
Exception
Uninstall python built from source?
Python
Linux
Ubuntu
Python 2.x
how to extract frequency associated with fft values in python
Python
Numpy
Fft
Set specific DNS server using dns.resolver (pythondns)
Python
Dns
OData Python Library available?
Python
Odata
more than 9 subplots in matplotlib
Python
Charts
Matplotlib
How to check if an argument from commandline has been set?
Python
Python: How do I get key/value pairs from the BaseHTTPRequestHandler HTTP POST handler?
Python
Http
Post
How to fetch a non-ascii url with urlopen?
Python
Unicode
Urllib2
Non Ascii-Characters
Urlopen
Can i get console input without echo in python?
Python
Calling base class method in Python
Python
Class
Python error: AttributeError: 'module' object has no attribute
Python
Package
Get the name of a decorated function?
Python
Django
Decorator
Mocking out methods on any instance of a python class
Python
Testing
Mocking
Python TypeError on regex
Python
Regex
Python 3.x
Typeerror
unittest colored output
Python
Unit Testing
zip(list1, list2) in Jinja2?
Python
Code Generation
Jinja2
hash unicode string in python
Python
Unicode
Utf 8
How to hide Firefox window (Selenium WebDriver)?
Python
Selenium
Firefox
Webdriver
Django: How to access original (unmodified) instance in post_save signal
Python
Django
Postgresql
Denormalization
Django Signals
DestroyWindow does not close window on Mac using Python and OpenCV
Python
User Interface
Opencv
Python; urllib error: AttributeError: 'bytes' object has no attribute 'read'
Python
Python 3.x
Urllib
How do I import variable packages in Python like using variable variables ($$) in PHP?
Python
Variables
Variable Variables
TypeError : Unhashable type
Python
How can I install various Python libraries in Jython?
Java
Python
Jython
Pip
Easy Install
How can I concatenate a string and a number in Python?
Python
Python extension methods
Python
Extension Methods
sort values and return list of keys from dict python
Python
Dictionary
Measuring elapsed time in python
Python
Windows
Time
Duration
Get the Olson TZ name for the local timezone?
Python
Linux
Datetime
Timezone
Localtime
Python Conditional Variable Setting
Python
Variables
If Statement
Conditional Statements
gzip a file in Python
Python
Gzip
Subprocess
Modifying a symlink in python
Python
Symlink
How to print float to n decimal places including trailing 0s?
Python
Floating Point
How to give delay between each requests in scrapy?
Python
Web Scraping
Scrapy
Convert JSON to XML in Python
Python
Xml
Json
Partial coloring of text in matplotlib
Python
Matplotlib
How do I ignore PyCharm configuration files in a git repository?
Python
Git
Pycharm
Convert an IP string to a number and vice versa
Python
Django
"outsourcing" exception-handling to a decorator
Python
Exception Handling
Decorator
Python 2.6
Removing u in list
Python
Google App-Engine
Unicode
Elegant Python code for Integer Partitioning
Python
Algorithm
NameError: global name 'execfile' is not defined trying to run an app on Google App Engine Launcher
Python
Google App-Engine
How to unpack tuple of length n to m<n variables
Python
Iterable Unpacking
How do you merge images into a canvas using PIL/Pillow?
Python
Image
Canvas
Python Imaging-Library
Pillow
Create 3D array using Python
Python
Arrays
Python 2.7
Multidimensional Array
Timeout on subprocess readline in Python
Python
Timeout
Subprocess
Python multiprocess profiling
Python
Multiprocessing
Cprofile
TypeError:exceptions must be old-style classes or derived from BaseException, not str
Python
Typeerror
Raise
Python socket.error: [Errno 111] Connection refused
Python
Sockets
Errno
OpenCV 2.4 VideoCapture not working on Windows
Python
Windows
Opencv
How to run a python file using cron jobs
Python
Shell
Cron
Installing python dateutil
Python
Django
Python Dateutil
Jinja Templates - Format a float as comma-separated currency
Python
Flask
Jinja2
How to smooth matplotlib contour plot?
Python
Matplotlib
scrapy: Call a function when a spider quits
Python
Scrapy
Python lambda with if but without else
Python
Lambda
Inline If
How do I mock a django signal handler?
Python
Django
Mocking
Signals
Django Signals
How can I bind a list to a parameter in a custom query in SQLAlchemy?
Python
Sqlalchemy
Is it possible to define global variables in a function in Python
Python
Function
Global Variables
Python re.sub(): how to substitute all 'u' or 'U's with 'you'
Python
Regex
How to increase node spacing for networkx.spring_layout
Python
Graph
Networkx
Graph Drawing
Python datetime strptime() and strftime(): how to preserve the timezone information
Python
Datetime
Python Datetime
Python Dateutil
Separate SQLAlchemy models by file in Flask
Python
Sqlalchemy
Flask
Flask Sqlalchemy
How can I check if key exists in list of dicts in python?
Python
Python 2.7
Convert a list of tuples to a list of lists
Python
python encoding utf-8
Python
Unicode
Encoding
Utf 8
Using .pth files
Python
Python multiprocessing pool hangs at join?
Python
Multiprocessing
Python's argparse to show program's version with prog and version string formatting
Python
Version
Argparse
What does [:-1] mean/do in python?
Python
Preserve Python tuples with JSON
Python
Json
Tuples
When are parentheses required around a tuple?
Python
Syntax
Tuples
Escaping dollar sign in ipython notebook
Python
Markdown
Ipython
Mathjax
improving speed of Python module import
Python
Performance
Import
Module
Quick way to extend a set if we know elements are unique
Python
Set
Union
Reusing code from different IPython notebooks
Python
Ipython
Ipython Notebook
Searching text in a PDF using Python?
Python
Parsing
Pdf
Text
Matplotlib: Scatter Plot to Foreground on top of a Contour Plot
Python
Matplotlib
Scatter Plot
Scatter
How to create Password Field in Model Django
Python
Django
Django Models
Django Forms
Difference between os.path.exists and os.path.isfile?
Python
File
Directory
Difference between asfreq and resample
Python
Pandas
Handle spaces in argparse input
Python
Command Line-Arguments
User Input
Argparse
Spaces
Scraping a JSON response with Scrapy
Python
Json
Web Scraping
Scrapy
The equivalent of a GOTO in python
Python
Goto
How to use 'User' as foreign key in Django 1.5
Python
Python 3.x
Django
Foreign Keys
Django Users
supervisord for python 3?
Python
Python 3.x
Supervisord
Find unique values in a Pandas dataframe, irrespective of row or column location
Python
Pandas
Dataframe
Sort multidimensional array based on 2nd element of the subarray
Python
Arrays
List
Sorting
Multidimensional Array
How do I solve overfitting in random forest of Python sklearn?
Python
Machine Learning
Scikit Learn
Decision Tree
Random Forest
How to monkeypatch python's datetime.datetime.now with py.test?
Python
Datetime
Mocking
Pytest
global variable warning in python
Python
Python 2.7
Global
Python 2.6
When to use imshow over pcolormesh?
Python
Matplotlib
Creating a pandas DataFrame from columns of other DataFrames with similar indexes
Python
Pandas
Dataframe
Selecting Pandas Columns by dtype
Python
Pandas
Scipy
Appending two dataframes with same columns, different order
Python
Join
Pandas
Append
Persist variable changes between tests in unittest?
Python
Unit Testing
Persistence
Testcase
Python Unittest
psycopg2 TypeError: not all arguments converted during string formatting
Python
Trac
Psycopg2
matplotlib percent label position in pie chart
Python
Matplotlib
How do I get logger to delete existing log file before writing to it again?
Python
Logging
Filehandler
Method Not Allowed flask error 405
Python
Forms
Flask
Python MySQLdb TypeError: not all arguments converted during string formatting
Python
Python 2.7
Python: Scaling numbers column by column with pandas
Python
Pandas
Get virtualenv's bin folder path from script
Python
Django
Virtualenv
Virtualenvwrapper
How to find files and skip directories in os.listdir
Python
File Manager
How does the axis parameter from NumPy work?
Python
Arrays
Numpy
Multidimensional Array
Numpy Ndarray
Making an executable in Cython
Python
Packages
Cython
Executable
BeatifulSoup4 get_text still has javascript
Python
Beautifulsoup
Nltk
Use endswith with multiple extensions
Python
List
File
What is the inverse of regularization strength in Logistic Regression? How should it affect my code?
Python
Machine Learning
Scikit Learn
Logistic Regression
Can a simple difference in Python3 variable names alter the way code runs?
Python
Oop
Python 3.x
Finalizer
How come the Python's logging module doesn't follow PEP8 conventions?
Python
Logging
Pep8
ImportError: No module named _io in ubuntu 14.04
Python
Linux
Ubuntu
Pip
Switch Python Version for Vim & Syntastic
Python
Vim
Syntastic
Create object from class in separate file
Python
Class
Object
Package
Plotting with a transparent marker but non-transparent edge
Python
Numpy
Matplotlib
Plot
Transparency
What is the difference between a stack and a frame?
Python
Inspect
Traceback
Sys
How to set up a Django project in PyCharm
Python
Django
Pycharm
How to limit log file size in python
Python
Logging
Filehandler
Log Files
How to use python-docx to replace text in a Word document and save
Python
Text
Replace
Ms Word
Python Docx
Python assignment destructuring
Python
Destructuring
Max and Min date in pandas groupby
Python
Pandas
Dataframe
Pandas : compute mean or std (standard deviation) over entire dataframe
Python
Numpy
Pandas
Python Convert Back Slashes to forward slashes
Python
Replace
How can I see print() statements in behave (BDD)
Python
Bdd
Python Behave
Python3: JSON POST Request WITHOUT requests library
Python
Json
Urllib
ubuntu 14.04, pip cannot upgrade matplotllib
Python
Matplotlib
Pip
Calling one method from another within same class in Python
Python
Class
Methods
Event Handling
Python Watchdog
DynamoDB : The provided key element does not match the schema
Python
Amazon Web-Services
Amazon Dynamodb
Boto
Converting LinearSVC's decision function to probabilities (Scikit learn python )
Python
Machine Learning
Scikit Learn
Svm
Matplotlib showing x-tick labels overlapping
Python
Pandas
Matplotlib
Axis Labels
Printing variables in Python 3.4
Python
Variables
Printing
Syntax
How can JSON data with null value be converted to a dictionary
Python
Why does creating a list from a list make it larger?
Python
List
Python Internals
Calling Python 2 script from Python 3
Python
How to PATCH a single field using Django Rest Framework?
Python
Django
Api
Django Rest-Framework
Http Patch
Convert Pandas Series to DateTime in a DataFrame
Python
Datetime
Pandas
Dataframe
import vs __import__( ) vs importlib.import_module( )?
Python
Python Import
Truncate `TimeStamp` column to hour precision in pandas `DataFrame`
Python
Pandas
Datetime
Dataframe
Python Pandas GroupBy get list of groups
Python
Pandas
No module named 'virtualenvwrapper'
Python
Linux
Ubuntu
Amazon Ec2
Virtualenvwrapper
What is the use of buffering in python's built-in open() function?
Python
Python 2.7
What is the difference between concurrent.futures and asyncio.futures?
Python
Python 3.x
Module
Python Asyncio
concurrent.futures
Using more than one flag in python re.findall
Python
Regex
Python Re
Why is my plt.savefig is not working?
Python
Numpy
Matplotlib
When I assign a list to variable why Pycharm give me a prompt that is "this list creation could be rewritten as a list literal"?
Python
List
Pycharm
getattr and setattr on nested subobjects / chained properties?
Python
Python 2.7
Recursion
Attributes
Setattr
How can I find the union on a list of sets in Python?
Python
List
Python 3.x
Set
Set Union
How to pass a list as an environment variable?
Python
Python 2.7
python dask DataFrame, support for (trivially parallelizable) row apply?
Python
Pandas
Parallel Processing
Dask
Jupyter (IPython) notebook not plotting
Python
Pandas
Ipython
How to get pdf filename with Python requests?
Python
Pdf
Python Requests
Filenames
TypeError: Image data can not convert to float
Python
Image
Image Processing
Python Imaging-Library
What causes the error "_pickle.UnpicklingError: invalid load key, ' '."?
Python
Pickle
Display regression equation in seaborn regplot
Python
Regression
Seaborn
Filtering DataFrame using the length of a column
Python
Apache Spark
Dataframe
Pyspark
Apache Spark-Sql
Tensorflow: Using Adam optimizer
Python
Tensorflow
XGBoost Categorical Variables: Dummification vs encoding
Python
Categorical Data
Xgboost
Embed Python3 without standard library
Python
Python 3.x
Embedding
Standard Library
How do I make coverage include not tested files?
Python
Unit Testing
Python Unittest
coverage.py
How to give jupyter cell standard input in python?
Python
Jupyter
Jupyter Notebook
matplotlib: RuntimeError: Python is not installed as a framework
Python
Macos
Python 2.7
Matplotlib
What does "Symbol not found / Expected in: flat namespace" actually mean?
Python
C++
Import
Namespaces
Importerror
Setting GOOGLE_APPLICATION_CREDENTIALS for BigQuery Python CLI
Python
Google Bigquery
Python 2.7 : LookupError: unknown encoding: cp65001
Python
Python 2.7
Encoding
Pip
Spark SQL Row_number() PartitionBy Sort Desc
Python
Apache Spark
Pyspark
Apache Spark-Sql
Window Functions
_corrupt_record error when reading a JSON file into Spark
Python
Json
Dataframe
Pyspark
gensim word2vec: Find number of words in vocabulary
Python
Neural Network
Nlp
Gensim
Word2vec
Error 111 connecting to localhost:6379. Connection refused. Django Heroku
Python
Django
Heroku
Page not found 404 Django media files
Python
Django
Http Status-Code-404
Django Settings
Django Media
Split text after the second occurrence of character
Python
Python 3.x
String
Split
Django Unit Testing taking a very long time to create test database
Python
Django
Django Unittest
Django Nose
How to create a DataFrame while preserving order of the columns?
Python
Pandas
Python: using multiprocessing on a pandas dataframe
Python
Pandas
Multiprocessing
Accessing every 1st element of Pandas DataFrame column containing lists
Python
Pandas
Dataframe
Axes from plt.subplots() is a "numpy.ndarray" object and has no attribute "plot"
Python
Numpy
Matplotlib
Multidimensional Array
Subplot
difference between command prompt and anaconda prompt
Python
Command Prompt
Anaconda
How can I implement incremental training for xgboost?
Python
Machine Learning
Xgboost
How to update user password in Django Rest Framework?
Python
Django
Django Rest-Framework
What is the pandas equivalent of dplyr summarize/aggregate by multiple functions?
Python
R
Pandas
Pandas Groupby
Summarize
Pandas expand rows from list data available in column
Python
List
Pandas
Dataframe
Expand
Better way to swap elements in a list?
Python
Save base64 image in django file field
Python
Django
Image
Filefield
How to combine Celery with asyncio?
Python
Python 3.x
Asynchronous
Celery
Python Asyncio
Convert UPPERCASE string to sentence case in Python
Python
pandas Series to Dataframe using Series indexes as columns
Python
Pandas
python subclasscheck & subclasshook
Python
Python 3.x
Abstract Class
Metaclass
PCA For categorical features?
Python
Machine Learning
Scikit Learn
Data Mining
Flask Dynamic data update without reload page
Javascript
Jquery
Python
Flask
Jinja2
Pyspark: Parse a column of json strings
Python
Json
Apache Spark
Pyspark
Using plt.imshow() to display multiple images
Python
Matplotlib
Airflow "This DAG isnt available in the webserver DagBag object "
Python
Airflow
Workflow
The correct way to annotate a "file type" in Python
Python
Python 3.5
Type Hinting
Should I avoid converting to a string if a value is already a string?
Python
String
How do I connect my python spyder with github?
Python
Github
Spyder
What does tf.gfile do in TensorFlow?
Python
Tensorflow
PySpark create new column with mapping from a dict
Python
Apache Spark
Dictionary
Pyspark
Apache Spark-Sql
Keras Conv2D and input channels
Python
Keras
How to predict input image using trained model in Keras?
Python
Machine Learning
Keras
Computer Vision
Re-assigning a name to itself
Python
Check if geo-point is inside or outside of polygon
Python
Polygon
Coordinate Systems
Shapely
Point in-Polygon
Python [Invalid syntax] with async def
Python
Syntax
Async Await
Discord
discord.py
Specifying a type to be a List of numbers (ints and/or floats)?
Python
Types
Type Hinting
Mypy
Make (install from source) python without running tests
Python
Linux
Makefile
Build
Keras: How to save model and continue training?
Python
Keras
How to do a conditional count after groupby on a Pandas Dataframe?
Python
Pandas
Dataframe
Pandas Groupby
Is there a string formatting operator in R similar to Python's %?
Python
R
String
Format
Pandas - add value at specific iloc into new dataframe column
Python
Pandas
Numpy
python 3 try-except all with error
Python
Python 3.x
Try Except
The number of GET/POST parameters exceeded settings.DATA_UPLOAD_MAX_NUMBER_FIELDS
Python
Django
Python enumerate() tqdm progress-bar when reading a file?
Python
Progress Bar
Enumerate
Tqdm
PDB - stepping out of a function
Python
Python 2.7
Pdb
Ipdb
How to set up entry_points in setup.cfg
Python
Python 3.x
Python 3.6
Setuptools
Why is the size of 2⁶³ 36 bytes, but 2⁶³-1 is only 24 bytes?
Python
Python 2.7
Cpython
Python Internals
Does Numpy automatically detect and use GPU?
Python
Numpy
Gpu
Clipping input data to the valid range for imshow with RGB data ([0..1] for floats or [0..255] for integers)
Python
Matplotlib
Normalization
File "/usr/bin/pip", line 9, in <module> from pip import main ImportError: cannot import name main
Python
Flask
Pip
"Could not interpret optimizer identifier" error in Keras
Python
Python 3.x
Tensorflow
Keras
Creating a nested dictionary from a flattened dictionary
Python
Dictionary
Recursion
Nested
Netcdf
How can we use Selenium Webdriver in colab.research.google.com?
Python
Selenium
Selenium Webdriver
Google Colaboratory
Python 3.7.0 No module named 'PyQt5.QtWebEngineWidgets'
Python
Python 3.x
Pyqt5
Using f-string with format depending on a condition
Python
Python 3.x
F String
How to show a pandas dataframe into a existing flask html table?
Python
Pandas
Flask
Pandas Datareader
How can I use f-string with a variable, not with a string literal?
Python
Python 3.x
String
String Formatting
F String
Firebase cloud functions using Python?
Python
Firebase
Google Cloud-Platform
Google Cloud-Firestore
Google Cloud-Functions
Why is this regular expression so slow in Java?
Java
Python
Regex
Performance
Perl
timeit and its default_timer completely disagree
Python
Performance
Garbage Collection
Timeit
How to use values stored in variables as case patterns?
Python
Python 3.x
Switch Statement
Python 3.10
Structural Pattern-Matching
Python self-referential list produces weird output on sorted
Python
List
Invoking a constructor in a 'with' statement
Python
Python 3.x
Class
With Statement
In Django is there a way to display choices as checkboxes?
Python
Django
Python Dependency Injection Framework
Python
Dependency Injection
Django models - how to filter number of ForeignKey objects
Python
Django
Database Design
Django authentication and Ajax - URLs that require login
Javascript
Python
Django
Authentication
How to access the previous/next element in a for loop?
Python
For Loop
Converting a PDF to a series of images with Python
Python
Pdf
Imagemagick
Jpeg
Python Imaging-Library
Cross-platform gui toolkit for deploying Python applications
Python
User Interface
Cross Platform
Using only the DB part of Django
Python
Django
Orm
How to extract from a list of objects a list of specific attribute?
Python
Is it safe to yield from within a "with" block in Python (and why)?
Python
Resources
Coroutine
Is it bad form to call a classmethod as a method from an instance?
Python
Class Method
Picking out items from a python list which have specific indexes
Python
List
Indexing
List Comprehension
How do I write to the console in Google App Engine?
Python
Google App-Engine
Logging
Performing a getattr() style lookup in a django template
Python
Django
Django Templates
How to install python-dateutil on Windows?
Python
Installation
Python Dateutil
Using subprocess to run Python script on Windows
Python
Windows
Subprocess
Counting repeated characters in a string in Python
Python
Get a dict of all variables currently in scope and their values
Python
An integer is required? open()
Python
File Io
Integer
Argv
Actions triggered by field change in Django
Python
Django
Django Models
Is there an equivalent of Pythons range(12) in C#?
C#
Python
Range
Xrange
Tuple list from dict in Python
Python
List
Dictionary
Key Value
How to encode UTF8 filename for HTTP headers? (Python, Django)
Python
Django
Http
Http Headers
Escaping
How do I pass template context information when using HttpResponseRedirect in Django?
Python
Django
Http
Redirect
coverage.py: exclude files
Python
Testing
Software Quality
Code Coverage
coverage.py
Google Search from a Python App
Python
Api
Google Search-Api
What is the use of Python's basic optimizations mode? (python -O)
Python
Optimization
Assert
Bytecode
Peeking in a heap in python
Python
Heap
Peek
Is there a Java equivalent of Python's defaultdict?
Java
Python
Hashmap
Is close() necessary when using iterator on a Python file object
Python
File
Iterator
What does __contains__ do, what can call __contains__ function
Python
Python state-machine design
Python
State Machine
Fsm
Is it safe to use sys.platform=='win32' check on 64-bit Python?
Python
Windows
64 Bit
Cross Platform
32bit 64bit
How can I create stacked line graph with matplotlib?
Python
Matplotlib
How to clear the Entry widget after a button is pressed in Tkinter?
Python
User Interface
Widget
Tkinter
Conversion from JavaScript to Python code?
Javascript
Python
Code Translation
Is there a Python equivalent to Perl's Data::Dumper for inspecting data structures?
Python
Module
Object Dumper
tag generation from a text content
Python
Tags
Machine Learning
Nlp
Nltk
Python: using doctests for classes
Python
Unit Testing
Doctest
Python - is there a "don't care" symbol for tuple assignments?
Python
Syntax
How to get text in QlineEdit when QpushButton is pressed in a string?
Python
Pyqt5
Pyqt4
Qlineedit
How do greenlets work?
Python
Notepad++ indentation messes up
Python
Notepad++
Indentation
Mako or Jinja2?
Python
Templates
Template Engine
Mako
Jinja2
Check if all values of iterable are zero
Python
Iterable
How do I read a random line from one file?
Python
Adding model-wide help text to a django model's admin form
Python
Django
Django Models
Django Admin
Can I prevent fabric from prompting me for a sudo password?
Python
Sudo
Fabric
How to keep all my django applications in specific folder
Python
Django
Django Apps
How to extract PDF fields from a filled out form in Python?
Python
Forms
Pdf
Range with step of type float
Python
Range
Is it worth using sqlalchemy-migrate ?
Python
Migration
Sqlalchemy
Data Migration
Sqlalchemy Migrate
Reversible hash function?
Python
Hash
Iterating through a scipy.sparse vector (or matrix)
Python
Scipy
Sparse Matrix
Python Unit Testing: Automatically Running the Debugger when a test fails
Python
Unit Testing
Pdb
Python Unittest
How can I output what SUDs is generating/receiving?
Python
Xml
Soap
Suds
How do I create a date picker in tkinter?
Python
Tkinter
Using fourier analysis for time series prediction
Python
Math
Matlab
python 'is not' operator
Python
A way to output pyunit test name in setup()
Python
Unit Testing
Python Unittest
What's the Python version for “Code against an interface, not an object”?
Python
Oop
Interface
Inversion of-Control
Parse raw HTTP Headers
Python
Http Headers
Python: Regular expression to match alpha-numeric not working?
Python
Regex
multithreaded blas in python/numpy
Python
Numpy
Scientific Computing
Blas
What makes something iterable in python
Python
How to set class names dynamically?
Python
How to reverse order of keys in python dict?
Python
Dictionary
Reverse
Accessing function as attribute in a Python class
Python
Django
Metaprogramming
How to send utf-8 e-mail?
Python
Email
Utf 8
Smtp
How do I remove all zero elements from a NumPy array?
Python
Arrays
Numpy
Filtering
Python: deleting a class attribute in a subclass
Python
Class
Inheritance
Namespaces
How can I make ipdb show more lines of context while debugging?
Python
Debugging
Ipython
Is it possible to kill a process on Windows from within Python?
Python
Windows
Windows Xp
Draw a transparent rectangles and polygons in pygame
Python
Pygame
Why do assertions in unittest use TestCase.assertEqual not the assert keyword?
Python
Unit Testing
Python decorator as a staticmethod
Python
Decorator
Static Methods
How to access a dictionary key value present inside a list?
Python
Numpy - Replace a number with NaN
Python
Arrays
Numpy
Nan
Gdal
Add quotes to every list element
Python
Python: multiplication override
Python
Overriding
Operator Keyword
Get a file from CLI input
Python
Input
Command
Alternative implementations of python/setuptools entry points (extensions) in other languages/applications
Python
Plugins
Packaging
Python REPL tab completion on MacOS
Python
Macos
Readline
How to write a list to a file with newlines in Python3
Python
Python 3.x
Efficiently finding the last line in a text file
Python
Text
add column to SQLAlchemy Table
Python
Terminal
Sqlalchemy
Trace Python imports
Python
Debugging
Import
Trace
Selenium testing without browser
Python
Selenium
Selenium Webdriver
Selenium Rc
Load Testing
Is there a way to implement methods like __len__ or __eq__ as classmethods?
Python
Class
Sorting a dictionary by value then by key
Python
What scalability issues are associated with NetworkX?
Python
Graph
Social Networking
Libraries
Cython compiled C extension: ImportError: dynamic module does not define init function
Python
Cython
Python Extensions
Python dictionary : removing u' chars
Python
Mongodb
Django Selective Dumpdata
Python
Django
Database Design
Django Models
Styling part of label in legend in matplotlib
Python
Matplotlib
Text
Customization
Legend
Does PyPy translate itself?
Python
Pypy
Rpython
Get the string within brackets in Python
Python
Regex
Brackets
How to declare a long string in Python?
Python
How to calculate next Friday?
Python
Datetime
How to overload Python's __bool__ method?
Python
Methods
Overloading
Magic Methods
Where are python bytearrays used?
Python
Types
Python: simple list merging based on intersections
Python
Merge
Tree
Set Intersection
Equivalence Classes
Python return list from function
Python
List
Function
Sort a list of tuples depending on two elements
Python
Sorting
Python 3.x
Tuples
Python alternative to reduce()
Python
Functional Programming
Pick N distinct items at random from sequence of unknown length, in only one iteration
Python
Algorithm
Random
Sort a list of numerical strings in ascending order
Python
List
Sorting
Adding 'install_requires' to setup.py when making a python package
Python
Find out whether celery task exists
Python
Task
Status
Celery
Why does python `any` return a bool instead of the value?
Python
Function
Internal
nginx and supervisor setup in Ubuntu
Python
Django
Apache
Nginx
Supervisord
Common title to many subplots in Matplotlib
Python
Matplotlib
json.dump throwing "TypeError: {...} is not JSON serializable" on seemingly valid object?
Python
Json
Typeerror
Suppress stdout / stderr print from Python functions
Python
Stdout
How to use regex to parse a number from HTML?
Python
Regex
Remove list from list in Python
Python
List
Python 2.7
Is there a way to do more work after a return statement?
Python
Variable-length lookbehind-assertion alternatives for regular expressions
Php
Javascript
Python
Regex
Perl
How to use Flask-SQLAlchemy in a Celery task
Python
Flask
Celery
Flask Sqlalchemy
Disable the output of matplotlib pyplot
Python
Matplotlib
Pass variables to Flask's render_template
Python
Flask
Jinja2
Python reverse list
Python
Allow only positive decimal numbers
Python
Django
Writing a Python extension in Go (Golang)
Python
C
Go
Cython
How do you implement "#ifdef" in python?
Python
Preprocessor
Python 3: starred expression to unpack a list
Python
Python 3.x
Argument Unpacking
Using a comparator function to sort
Python
Sorting
Comparator
getting the row and column numbers from coordinate value in openpyxl
Python
Openpyxl
How to mock python's datetime.now() in a class method for unit testing?
Python
Django
Unit Testing
Testing
Mocking
Applying LIMIT and OFFSET to all queries in SQLAlchemy
Python
Sqlalchemy
Api Design
python tilde unary operator as negation numpy bool array
Python
Numpy
Boolean
Multidimensional Array
Get unique values from index column in MultiIndex
Python
Pandas
How does perspective transformation work in PIL?
Python
Python Imaging-Library
Perspective
How to calculate difference between two dates in weeks in python
Python
Datetime
Add scrolling to a platformer in pygame
Python
Scroll
Pygame
Python 3 Float Decimal Points/Precision
Python
Python 3.x
Floating Point
What is the difference in python attributes with underscore in front and back
Python
why does my colorbar have lines in it?
Python
Matplotlib
Matplotlib Basemap
Scope of python variable in for loop
Python
For Loop
Scope
Why do "Not a Number" values equal True when cast as boolean in Python/Numpy?
Python
Math
Numpy
Python OrderedDict not keeping element order
Python
Python 2.7
Ordereddictionary
Python BeautifulSoup extract text between element
Python
Beautifulsoup
How to create a delayed queue in RabbitMQ?
Python
Queue
Rabbitmq
Delay
Pika
splitting a string based on tab in the file
Python
String
Split
How to find out where a Python Warning is from
Python
Debugging
Warnings
Pandas
How to use Selenium with Python?
Python
Selenium
Selenium Webdriver
Automation
In Pandas how do I convert a string of date strings to datetime objects and put them in a DataFrame?
Python
Datetime
Pandas
OpenCV Python: Draw minAreaRect ( RotatedRect not implemented)
Python
Opencv
IOError: [Errno 24] Too many open files:
Python
Macos
Python - time difference in milliseconds not working for me
Python
ProcessPoolExecutor from concurrent.futures way slower than multiprocessing.Pool
Python
Concurrency
Multiprocessing
Future
concurrent.futures
Scikit Learn - K-Means - Elbow - criterion
Python
Machine Learning
Scikit Learn
Cluster Analysis
K Means
Convert dictionary to bytes and back again python?
Python
Variables
Dictionary
Byte
tempfile.TemporaryDirectory context manager in Python 2.7
Python
Python 2.7
With Statement
Temp
Duplicate items in legend in matplotlib?
Python
Matplotlib
View pdf image in an iPython Notebook
Python
Pdf
Ipython Notebook
OrderedDict vs defaultdict vs dict
Python
Dictionary
pip install gives error: Unable to find vcvarsall.bat
Python
Python 2.7
Pip
Zipline
Python Matplotlib Venn diagram
Python
Matplotlib
Venn Diagram
Matplotlib Venn
Interactive input/output using Python
Python
Subprocess
Stdout
Stdin
Interactive
Select elements of numpy array via boolean mask array
Python
Numpy
Indexing
Boolean
Mask
How would I access variables from one class to another?
Python
Class
Variables
Why python mock patch doesn't work?
Python
Unit Testing
Mocking
Nose
PyYAML dump format
Python
Python 3.x
Yaml
Quotes
Pyyaml
How to get the union of two lists using list comprehension?
Python
List Comprehension
Test if an internet connection is present in python
Python
Python 2.7
Networking
How to Access Hive via Python?
Python
Hadoop
Hive
Django allauth example [Errno 61] Connection refused
Python
Django
Django Allauth
Shebang doesn't work with python3
Python
Python 3.x
Shebang
Getting a sublist of a Python list, with the given indices?
Python
List
Python 2.7
adding dummy columns to the original dataframe
Python
Pandas
Dataframe
One Hot-Encoding
Postgres SSL SYSCALL error: EOF detected with python and psycopg
Python
Postgresql
Ssl
Psycopg2
Pgrouting
List comprehension scope error from Python debugger
Python
Debugging
Python 3.x
List Comprehension
Does Google App Engine support Python 3?
Python
Google App-Engine
Installing h5py on an Ubuntu server
Python
Python 2.7
Installation
H5py
Sublime text3 and virtualenvs
Python
Sublimetext3
Virtualenvwrapper
How to cast tuple into namedtuple?
Python
Python 3.x
Namedtuple
Calculating percentage of Bounding box overlap, for image detector evaluation
Python
Computer Vision
Bounding Box
Object Detection
Scikit Image
How to set dtypes by column in pandas DataFrame
Python
Pandas
Types
Why does this take so long to match? Is it a bug?
Python
Regex
Performance
State Machine
How to get PID by process name?
Python
Linux
Python 2.7
Pid
Convert numpy type to python
Python
Json
Numpy
Pandas
When does code in __init__.py get run?
Python
How to install python package with a different name using PIP
Python
Duplicates
Package
Pip
Is it possible to save datetime to DynamoDB?
Python
Datetime
Amazon Web-Services
Amazon Dynamodb
Boto
How to connect to a remote PostgreSQL database through SSL with Python
Python
Postgresql
Python 2.7
Ssl
Python 3.6
Extract / Identify Tables from PDF python
Python
Pdf
Scrape
Pdf Parsing
Pdf Scraping
Intersection of two graphs in Python, find the x value
Python
Matplotlib
Intersection
Why import statements with parentheses?
Python
Import
Parentheses
Loading all images using imread from a given folder
Python
Opencv
save numpy array in append mode
Python
Numpy
Save
Python 3 urllib produces TypeError: POST data should be bytes or an iterable of bytes. It cannot be of type str
Python
Python 2.7
Python 3.x
Urllib2
Urllib
Pandas: Difference between pivot and pivot_table. Why is only pivot_table working?
Python
Pandas
Pivot
How to parse timezone with colon
Python
String
Datetime
Strptime
How to reference a html template from a different directory in python flask
Python
Path
Flask
Directory
Django query annotation with boolean field
Python
Django
Orm
Django Queryset
Applying uppercase to a column in pandas dataframe
Python
Pandas
What does the -> (dash-greater-than arrow symbol) mean in a Python method signature?
Python
Python 3.x
python datetime fromtimestamp yielding valueerror year out of range
Python
Datetime
How to draw axis in the middle of the figure?
Python
Matplotlib
Drawing
Monkey patching a @property
Python
Python 3.x
Monkeypatching
How to print current logging configuration used by the python logging module?
Python
Logging
Obtain eigen values and vectors from sklearn PCA
Python
Scipy
Scikit Learn
Pca
How to create/customize your own scorer function in scikit-learn?
Python
Scikit Learn
converting currency with $ to numbers in Python pandas
Python
Python 2.7
Pandas
How to read a column of csv as dtype list using pandas?
Python
Csv
Pandas
Auto adjust font size in seaborn heatmap
Python
Matplotlib
Seaborn
Ansible: best practice for maintaining list of sudoers
Python
Unix
Ansible
User Management
How to choose bins in matplotlib histogram
Python
Python 2.7
Matplotlib
Extract matplotlib colormap in hex-format
Python
Matplotlib
Hex
Color Mapping
Colormap
how to read certain columns from Excel using Pandas - Python
Python
Numpy
Pandas
Dataframe
Python can't find my module
Python
Path
Packages
R summary() equivalent in numpy
Python
R
Numpy
how to set different PYTHONPATH variables for python3 and python2 respectively
Python
Pythonpath
Melt the Upper Triangular Matrix of a Pandas Dataframe
Python
Pandas
Numpy
Reshape
Melt
What does the standard Keras model output mean? What is epoch and loss in Keras?
Python
Machine Learning
Neural Network
Keras
Data Science
What might be the cause of 'invalid value encountered in less_equal' in numpy
Python
Arrays
Numpy
Runtime
why do we need np.squeeze()?
Python
Numpy
Python 3 Get and parse JSON API
Python
Json
Python 3.x
Api
Matplotlib figure to image as a numpy array
Python
Numpy
Matplotlib
Using Docker via Windows console: includes invalid characters $PWD for a local volume name
Python
Windows
Docker
How to run Flask with Gunicorn in multithreaded mode
Python
Flask
Machine Learning
Gunicorn
TensorFlow: "Attempting to use uninitialized value" in variable initialization
Python
Machine Learning
Linear Regression
Tensorflow
better way to drop nan rows in pandas
Python
Pandas
Tensorflow: How to get a tensor by name?
Python
Scope
Tensorflow
Seaborn Heatmap with logarithmic-scale colorbar
Python
Pandas
Seaborn
Colorbar
Asynchronous context manager
Python
Asynchronous
Contextmanager
How can we use tqdm in a parallel execution with joblib?
Python
Parallel Processing
Joblib
Tqdm
Append existing excel sheet with new dataframe using python pandas
Python
Excel
For Loop
Pandas
Append
"OverflowError: Python int too large to convert to C long" on windows but not mac
Python
Windows
Int
Long Integer
One Hot Encoding using numpy
Python
Numpy
One Hot-Encoding
Are Boto3 Resources and Clients Equivalent? When Use One or Other?
Python
Amazon Web-Services
Boto3
How to compare Enums in Python?
Python
Python 3.x
Enums
Compare
Replace whole string if it contains substring in pandas
Python
Pandas
conda stuck on Proceed ([y]/n)? when updating packages in ipython console
Python
Ipython
Anaconda
Spyder
Graphlab
conda command will prompt error: "Bad Interpreter: No such file or directory"
Python
Linux
Anaconda
Stop Pandas from converting int to float due to an insertion in another column
Python
Pandas
Type Conversion
Type Inference
Reset weights in Keras layer
Python
Tensorflow
Machine Learning
Keras
Keras Layer
Can I add a channel to a specific conda environment?
Python
Environment
Conda
Python string formatting: is '%' more efficient than 'format' function?
Python
Performance
Python, mock: raise exception
Python
Unit Testing
Exception
Mocking
How to use asyncio with existing blocking library?
Python
Python 3.x
Async Await
Python 3.5
Python Asyncio
How can I tell whether a generator was just-started?
Python
Generator
Yield
List append() in for loop
Python
For Loop
Append
What does "the following packages will be superseded by a higher priority channel" mean?
Python
Linux
Package
Anaconda
Fuzzywuzzy
Python & Pandas: How to query if a list-type column contains something?
Python
Pandas
Variance Inflation Factor in Python
Python
R
Numpy
Statistics
Statsmodels
f-string syntax for unpacking a list with brace suppression
Python
Python 3.x
String Formatting
Python 3.6
F String
Python/pyspark data frame rearrange columns
Python
Pyspark
Spark Dataframe
How to find the average colour of an image in Python with OpenCV?
Python
Opencv
Numpy
Image Processing
Scikit Image
How to check if a variable is either a python list, numpy array or pandas series
Python
Arrays
List
Pandas
Numpy
Simple Subquery with OuterRef
Python
Mysql
Django
Django Queryset
Django Database
import function from a file in the same folder
Python
Python 3.x
Flask
Pytesseract OCR multiple config options
Python
Ocr
Tesseract
Is it possible to store an array in Django model?
Python
Arrays
Django
How to get mini-batches in pytorch in a clean and efficient way?
Python
Numpy
Machine Learning
Deep Learning
Pytorch
how to read json object in python
Python
Json
Filereader
Winpty and Git Bash
Python
Git Bash
Winpty
Saving best model in keras
Python
Keras
Deep Learning
Neural Network
How to access the type arguments of typing.Generic?
Python
Generics
How to create and open a jupyter notebook ipynb file directly from terminal
Python
Terminal
Jupyter Notebook
How to import a module from a different folder?
Python
Python 3.x
Python Import
Python Module
Python Packaging
Repeat Rows in Data Frame n Times
Python
Pandas
Cross Entropy in PyTorch
Python
Machine Learning
Pytorch
Loss
Boxplot of Multiple Columns of a Pandas Dataframe on the Same Figure (seaborn)
Python
Pandas
Seaborn
Python Pandas update a dataframe value from another dataframe
Python
Pandas
Dataframe
tf.data.Dataset: how to get the dataset size (number of elements in an epoch)?
Python
Python 3.x
Tensorflow
Tensorflow Datasets
Dataclasses and property decorator
Python
Python 3.7
Python Dataclasses
How to upgrade Python version to 3.7?
Python
Linux
Python 3.x
Ubuntu
Use of colon in variable declaration
Python
Could not translate host name "db" to address using Postgres, Docker Compose and Psycopg2
Python
Postgresql
Docker
Docker Compose
Psycopg2
How to install dependencies from a copied pipfile inside a virtual environment?
Python
Pip
Virtualenv
Pipenv
'Cannot setup a Python SDK' in PyCharm project using virtualenv after OS reinstallation
Python
Pycharm
Virtualenv
WebDriverException: Message: invalid argument: can't kill an exited process with GeckoDriver, Selenium and Python on RaspberryPi3
Python
Selenium
Firefox
Raspberry Pi3
Geckodriver
Folder naming convention for python projects
Python
Naming
Conventions
Interactive matplotlib figures in Google Colab
Python
Matplotlib
Google Colaboratory
python requests: how to check for "200 OK"
Python
Python Requests
how to fix the "__path__ attribute not found" error for packages installed by pip installer?
Python
pip how to remove incorrectly installed package with a leading dash: "-pkgname"
Python
Windows
Pip
How to write 2**n - 1 as a recursive function?
Python
Recursion
Unable to install tkinter with pyenv Pythons on MacOS
Python
Macos
Tkinter
Pyenv
Python round to next highest power of 10
Python
Ceil
How to efficiently get the mean of the elements in two list of lists in Python
Python
List
Mean