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All Types Solutions on Gang of Coders
Total of 398 Types Solutions
What is the difference between String and string in C#?
C#
.Net
String
Types
Alias
Determine the type of an object?
Python
Dictionary
Types
Typeof
How to determine a Python variable's type?
Python
Types
Check if a value is an object in JavaScript
Javascript
Types
Javascript Objects
Type Checking: typeof, GetType, or is?
C#
Types
Typeof
Gettype
What's the canonical way to check for type in Python?
Python
Types
What are the differences between type() and isinstance()?
Python
Oop
Inheritance
Types
Change column type in pandas
Python
Pandas
Dataframe
Types
Casting
What are POD types in C++?
C++
Types
C++ Faq
What is the difference between old style and new style classes in Python?
Python
Class
Oop
Types
New Style-Class
How to check if type of a variable is string?
Python
String
Variables
Types
How to create a new object instance from a Type
C#
.Net
Performance
Reflection
Types
Limit file format when using <input type="file">?
Html
File
Types
Difference between text and varchar (character varying)
String
Postgresql
Text
Types
Varchar
How do I check that a number is float or integer?
Javascript
Types
Numbers
What is the size of column of int(11) in mysql in bytes?
Mysql
Types
Int
Check whether variable is number or string in JavaScript
Javascript
Types
Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
Sql Server
Types
List vs tuple, when to use each?
Python
List
Types
Tuples
What is the best data type to use for money in C#?
C#
Types
Currency
Explanation of <script type = "text/template"> ... </script>
Javascript
Templates
Types
backbone.js
underscore.js
How to find out if a Python object is a string?
Python
String
Types
Compatibility
How to check if an object is a list or tuple (but not string)?
Python
List
Types
Assert
Determining type of an object in ruby
Ruby
Types
Is there a Boolean data type in Microsoft SQL Server like there is in MySQL?
Sql Server
Types
Boolean
How do Python functions handle the types of parameters that you pass in?
Python
Function
Types
Parameters
Difference between numeric, float and decimal in SQL Server
Sql
Sql Server
Types
How do I check if a type is a subtype OR the type of an object?
C#
Reflection
Types
Subclass
What is a TypeTag and how do I use it?
Scala
Types
Scala 2.10
Reification
How to check if type is Boolean
Javascript
Jquery
Types
What is the difference between bool and Boolean types in C#
C#
Types
Boolean
What column type/length should I use for storing a Bcrypt hashed password in a Database?
Mysql
Hash
Types
Storage
Bcrypt
What does the `forall` keyword in Haskell/GHC do?
Haskell
Syntax
Types
Ghc
Forall
How do I print the type or class of a variable in Swift?
Swift
Types
Casting a variable using a Type variable
C#
Reflection
Types
How do I print the type of a variable?
Types
Rust
When to use NSInteger vs. int
Ios
Objective C
Types
Nsinteger
What is the best (idiomatic) way to check the type of a Python variable?
Python
Types
Typechecking
Size of character ('a') in C/C++
C++
C
Types
Typescript input onchange event.target.value
Reactjs
Typescript
Types
Typescript Typings
What does a type followed by _t (underscore-t) represent?
C
Naming Conventions
Types
What is uintptr_t data type
C++
Pointers
Types
YAML equivalent of array of objects in JSON
Arrays
Json
Types
Yaml
Float vs Decimal in ActiveRecord
Ruby on-Rails
Types
Floating Point
Decimal
Rails Activerecord
What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
Mysql
Types
Floating Point
What does `unsigned` in MySQL mean and when to use it?
Mysql
Types
What data type to use for hashed password field and what length?
Mysql
Hash
Types
Passwords
Cryptography
What is a higher kinded type in Scala?
Scala
Generics
Types
Higher Kinded-Types
Type Constructor
How to store decimal values in SQL Server?
Sql
Sql Server
Types
Decimal
Better way to get type of a Javascript variable?
Javascript
Types
Typeof
Is there a `valueof` similar to `keyof` in TypeScript?
Typescript
Types
When should I use double instead of decimal?
C#
Types
Floating Point
Double
Decimal
Types in MySQL: BigInt(20) vs Int(20)
Mysql
Types
Test if a variable is a list or tuple
Python
Types
List
Difference between timestamps with/without time zone in PostgreSQL
Postgresql
Types
Timestamp
Timezone
biggest integer that can be stored in a double
Types
Floating Point
Double
Ieee 754
String vs string in C#
C#
.Net
Performance
String
Types
How can I check if my python object is a number?
Python
Types
Numbers
(-2147483648> 0) returns true in C++?
C++
Types
Literals
Integer Overflow
Difference between <input type='button' /> and <input type='submit' />
Html
Input
Types
How much is too much with C++11 auto keyword?
C++
Types
C++11
Type Inference
Auto
When to use std::size_t?
C++
Types
Idioms
Size T
Loop Counter
How can I round a number in JavaScript? .toFixed() returns a string?
Javascript
Types
Rounding
Convert float to String and String to float in Java
Java
String
Types
Number Formatting
Type Conversion
Defining TypeScript callback type
Types
Callback
Typescript
How to resolve "must be an instance of string, string given" prior to PHP 7?
Php
Types
Type Hinting
What is time_t ultimately a typedef to?
C
Linux
Types
What data type to use for money in Java?
Java
Types
Currency
Return type of '?:' (ternary conditional operator)
C++
Types
Reference
Conditional Operator
Lvalue
Difference between `data` and `newtype` in Haskell
Haskell
Types
Type Systems
Newtype
make arrayList.toArray() return more specific types
Java
Arrays
Object
Types
Arraylist
Convert String to Type in C#
C#
.Net
String
Types
Can pandas automatically read dates from a CSV file?
Python
Date
Types
Dataframe
Pandas
Immutable vs Mutable types
Python
Types
Immutability
Mutable
Determine the data types of a data frame's columns
R
Dataframe
Types
String was not recognized as a valid DateTime " format dd/MM/yyyy"
C#
.Net
Datetime
Types
Casting
How to compare type of an object in Python?
Python
Types
Compare
Objective-C : BOOL vs bool
C
Objective C
Types
Boolean
What is an existential type?
Language Agnostic
Types
Type Systems
Existential Type
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
Database
Database Design
Types
Varchar
What's the difference between size_t and int in C++?
C++
C
Types
Int
How to get the type of a variable in MATLAB
Matlab
Variables
Types
Which is the first integer that an IEEE 754 float is incapable of representing exactly?
Types
Floating Point
Ieee 754
Where in memory are my variables stored in C?
C
Memory
Memory Management
Types
In Objective-C, what is the equivalent of Java's "instanceof" keyword?
Objective C
Types
Casting
Equality
Downcast
Which data type for latitude and longitude?
Postgresql
Types
Latitude Longitude
Postgis
C++ auto keyword. Why is it magic?
C++
Types
C++11
Auto
How to concatenate columns in a Postgres SELECT?
Sql
Postgresql
Types
Concatenation
Coalesce
How to declare a Fixed length Array in TypeScript
Typescript
Types
Fixed Length-Array
C# string reference type?
C#
String
Reference
Types
What is the benefit of zerofill in MySQL?
Mysql
Types
Unsigned Integer
How do I find numeric columns in Pandas?
Python
Types
Pandas
How do you know a variable type in java?
Java
Variables
Types
Groovy / grails how to determine a data type?
Groovy
Types
How to check that a string is an int, but not a double, etc.?
Php
String
Casting
Types
Int
What's the difference between `1L` and `1`?
R
Types
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
What is the difference between Type and Class?
Language Agnostic
Class
Programming Languages
Types
Glossary
Is char signed or unsigned by default?
C
Types
Char
Signed
Does "untyped" also mean "dynamically typed" in the academic CS world?
Javascript
Types
Computer Science
Typing
Default value of a type at Runtime
C#
Types
Default
Finding the type of an object in C++
C++
Types
Generic method multiple (OR) type constraint
C#
asp.net Mvc-3
Types
Can I convert long to int?
C#
Types
Int
Type Conversion
Long Integer
How to check if string input is a number?
Python
Input
Types
Testing if object is of generic type in C#
C#
.Net
Generics
Reflection
Types
How to get input type using jquery?
Jquery
Input
Types
Convert a byte array to integer in Java and vice versa
Java
Types
Endianness
Scalar vs. primitive data type - are they the same thing?
Programming Languages
Types
Terminology
Primitive Types
Scalar
Why does the smallest int, â2147483648, have type 'long'?
C
Types
Difference between signed / unsigned char
C
Types
Unsigned
Why is there "data" and "newtype" in Haskell?
Haskell
Types
Language Design
Type Systems
Long vs Integer, long vs int, what to use and when?
Java
Types
Numbers
SQL Server equivalent to MySQL enum data type?
Sql
Sql Server
Tsql
Sql Server-2008
Types
Why isn't textarea an input[type="textarea"]?
Html
Input
Types
Textarea
How to check if a class inherits another class without instantiating it?
C#
Inheritance
Types
Understanding what 'type' keyword does in Scala
Scala
Types
What is dtype('O'), in pandas?
Python
Pandas
Numpy
Dataframe
Types
What is the difference between precision and scale?
Oracle
Types
When is it appropriate to use an associated type versus a generic type?
Types
Rust
Idioms
What are type lambdas in Scala and what are their benefits?
Scala
Types
Passing just a type as a parameter in C#
C#
Types
Methods
Parameters
TypeScript: Duplicate identifier 'IteratorResult'
Typescript
Types
Import
"X does not name a type" error in C++
C++
Windows
Types
What is SYSNAME data type in SQL Server?
Sql
Sql Server
Tsql
Types
Why does long long n = 2000*2000*2000*2000; overflow?
C++
Math
Types
Literals
Integer Overflow
Why doesn't C have unsigned floats?
C
Types
Floating Point
Format
Unsigned
Are HLists nothing more than a convoluted way of writing tuples?
Scala
Types
Tuples
Hlist
Shapeless
MySQL integer field is returned as string in PHP
Php
Mysql
Types
Int
Gettype
Why in C++ do we use DWORD rather than unsigned int?
C++
Winapi
Types
Dword
Complex numbers in python
Python
Types
Complex Numbers
How to cast Object to its actual type?
C#
Object
Types
Casting
Typeof
Difference between string and char[] types in C++
C++
String
Types
Are nullable types reference types?
C#
.Net
Types
Nullable
How to determine an interface{} value's "real" type?
Types
Type Conversion
Go
Is it possible to restrict number to a certain range
Typescript
Types
What is the difference between âintâ and âuintâ / âlongâ and âulongâ?
C#
Types
Integer
Unsigned
Signed
Difference between size_t and unsigned int?
C
Types
Unsigned
Why does the Java API use int instead of short or byte?
Optimization
Types
Java
How can mypy ignore a single line in a source file?
Python
Types
Mypy
What is Hindley-Milner?
Functional Programming
Types
Inference
Hindley Milner
Strings in a DataFrame, but dtype is object
Python
Pandas
Numpy
Types
Series
Why can Java Collections not directly store Primitives types?
Java
Collections
Types
Primitive Types
What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?
C++
C
Types
Error: Cannot invoke an expression whose type lacks a call signature
Javascript
Angularjs
Typescript
Types
Generics in C#, using type of a variable as parameter
C#
.Net
Generics
Types
Appropriate datatype for holding percent values?
Sql Server
Types
Sqldatatypes
Why is the `MouseEvent` in the checkbox event handler not generic?
Reactjs
Typescript
Events
Types
Jsx
Is there any way to use a numeric type as an object key?
Javascript
Object
Types
Key
Numeric
What is the most pythonic way to check if an object is a number?
Python
Types
Numbers
How To Change DataType of a DataColumn in a DataTable?
C#
Types
Datatable
Datacolumn
How do you represent a graph in Haskell?
Haskell
Types
Graph
Functional Programming
Algebraic Data-Types
C# - how to determine whether a Type is a number
C#
.Net
Types
TypeScript array to string literal type
Arrays
String
Typescript
Types
How to create ENUM type in SQLite?
Sqlite
Types
Enums
Incomplete type is not allowed: stringstream
C++
Types
Stringstream
Typescript: Check "typeof" against custom type
Typescript
Types
How to know function return type and argument types?
Python
Types
What does the ampersand (&) mean in a TypeScript type definition?
Types
Typescript
Ampersand
Python check if isinstance any type in list?
Python
Types
Isinstance
Best practices for storing postal addresses in a database (RDBMS)?
Database
Database Design
Types
Street Address
Postal Code
Why are C# 3.0 object initializer constructor parentheses optional?
C#
Syntax
Types
Language Design
Initializer
Difference between class and type
Java
Class
Types
Common MySQL fields and their appropriate data types
Mysql
Database
Types
Datatype for storing ip address in SQL Server
Sql Server
Tsql
Sql Server-2005
Types
Ip Address
How can I get the data type of a variable in C#?
C#
Types
This is Sparta, or is it?
C#
Inheritance
Types
Namespaces
Why does Math.floor return a double?
Java
Math
Types
What is the purpose of Rank2Types?
Haskell
Types
Polymorphism
Higher Rank-Types
For what value of i does while (i == i + 1) {} loop forever?
Java
Loops
Types
Importance of varchar length in MySQL table
Sql
Mysql
Performance
Types
`levels<-`( What sorcery is this?
R
Types
Levels
Why are the fast integer types faster than the other integer types?
C++
C
Performance
Types
Int
Is it safe to assume strict comparison in a JavaScript switch statement?
Javascript
Types
Comparison
Type Conversion
Switch Statement
Why can I type alias functions and use them without casting?
Types
Casting
Go
How to round up integer division and have int result in Java?
Java
Math
Types
Formatting
Converting stream of int's to char's in java
Java
Types
Why doesn't Haskell's Prelude.read return a Maybe?
Parsing
Haskell
Types
TypeScript: problems with type system
Html
Types
Web
Typescript
Static Typing
Is JavaScript an untyped language?
Javascript
Types
How is null + true a string?
C#
.Net
String
Null
Types
How do I check if a type provides a parameterless constructor?
C#
.Net
Reflection
Constructor
Types
What is the meaning of id?
Objective C
Types
Class constructor type in typescript?
Class
Typescript
Types
Constructor
How to check if variable's type matches Type stored in a variable
C#
Reflection
Types
Is this casting in golang?
Go
Types
Type Conversion
Types when destructuring arrays
Arrays
Types
Typescript
Destructuring
Kotlin - Void vs. Unit vs. Nothing
Kotlin
Generics
Types
Functional Programming
.NET: Determine the type of âthisâ class in its static method
C#
.Net
Types
Static Methods
C# use System.Type as Generic parameter
C#
Generics
.Net 4.0
Types
Double precision floating values in Python?
Python
Types
Precision
How to determine if a number is any type of int (core or numpy, signed or not)?
Python
Numpy
Types
Scala type programming resources
Scala
Types
Is there a way to make GHC provide the type class constraints of typed holes?
Haskell
Types
Ghc
what is the unsigned datatype?
C
Types
Unsigned
Should I use double or float?
C++
Types
Floating Point
Double Precision
BOOLEAN or TINYINT confusion
Mysql
Types
Boolean
Tinyint
Is there a reasonable approach to "default" type parameters in C# Generics?
C#
Generics
Types
Default
Parameters
Which MySQL datatype to use for an IP address?
Php
Mysql
Types
Ip Address
Check if all elements of a list are of the same type
Python
Python 3.x
List
Types
The type checker is allowing a very wrong type replacement, and the program still compiles
Haskell
Types
C# Generics and Type Checking
C#
Generics
Types
How do I check if a variable is of a certain type (compare two types) in C?
C
Types
Struct
Defining type aliases
C#
Types
How to pass a type as a method parameter in Java
Java
Types
C99 boolean data type?
C
Types
Boolean
C99
GetType() can lie?
C#
Types
What's the difference between 'int?' and 'int' in C#?
C#
Syntax
Types
Nullable
What to do when bit mask (flags) enum gets too large
C#
Permissions
Enums
Types
Bitmask
Why does ghci desugar type lists and type families? Can this be selectively disabled?
Haskell
Types
Ghci
nameof keyword in Typescript
Typescript
Types
Why design a language with unique anonymous types?
C++
Types
Rust
Language Design
What is cool about generics, why use them?
C#
Generics
Types
What does :: do in PostgreSQL?
Postgresql
Syntax
Types
Casting
Typecast Operator
When are higher kinded types useful?
Scala
Haskell
Types
F#
Higher Kinded-Types
When does type information flow backwards in C++?
C++
Types
Language Lawyer
C++17
Type Deduction
C#: Overriding return types
C#
Inheritance
Types
Covariance
Overriding
Scala multiple type pattern matching
Scala
Types
Pattern Matching
In WebGL what are the differences between an attribute, a uniform, and a varying variable?
Variables
Types
Matrix
Webgl
Is Julia dynamically typed?
Types
Type Inference
Julia
Comparison of database column types in MySQL, PostgreSQL, and SQLite? (Cross-Mapping)
Mysql
Database
Sqlite
Postgresql
Types
long long in C/C++
C++
Types
Long Integer
How do you update a DateTime field in T-SQL?
Sql
Sql Server
Tsql
Types
Types and classes of variables
Class
R
Types
Why does this Haskell code produce the "infinite type" error?
Haskell
Types
Type Inference
Return multiple fields as a record in PostgreSQL with PL/pgSQL
Sql
Postgresql
Stored Procedures
Types
Plpgsql
When and where to use GetType() or typeof()?
C#
.Net
Types
Typeof
Gettype
What is the combinatory logic equivalent of intuitionistic type theory?
Haskell
Types
Functional Programming
Logic
Agda
Difference between extending and intersecting interfaces in TypeScript?
Typescript
Types
Intersection
Extends
When to use unsigned values over signed ones?
Language Agnostic
Types
Creating a Generic<T> type instance with a variable containing the Type
C#
Generics
Types
Instance
Tinyint vs Bit?
Sql
Mysql
Sql Server
Types
How to provide explicit type declarations for functions when using GHCi?
Haskell
Types
Ghci
Function Declaration
Type of compiled regex object in python
Python
Regex
Types
How to define different types for the same class in C++
C++
Types
What is the monomorphism restriction?
Haskell
Types
Polymorphism
Type Inference
Monomorphism Restriction
How to define a regex-matched string type in Typescript?
Regex
Typescript
Types
Typing
Using IsAssignableFrom with 'open' generic types
C#
Generics
Reflection
Types
Where to find the complete definition of off_t type?
C
Sockets
Networking
Types
Header Files
Fastest way to convert a dict's keys & values from `unicode` to `str`?
Python
Casting
Types
What should be the best way to store a percent value in SQL-Server?
Sql
Sql Server
Tsql
Types
Haskell types frustrating a simple 'average' function
Haskell
Types
Typeclass
Why does TypeScript use "Like" types?
Javascript
Typescript
Types
Promise
min and max value of data type in C
C
Types
Does the size of an int depend on the compiler and/or processor?
C++
C
Types
type checking in javascript
Javascript
Types
How do I create some variable type alias in Java
Java
Types
Hashmap
Alias
How can I get generic Type from a string representation?
C#
Reflection
Types
Correct datatype for latitude and longitude? (in activerecord)
Ruby on-Rails
Activerecord
Types
How to check if object is an array of a certain type?
C#
.Net
Arrays
Reflection
Types
How to query a json column for empty objects?
Json
Postgresql
Types
Jsonb
Converting std::__cxx11::string to std::string
C++
String
C++11
Types
Std
Declaring multiple TypeScript variables with the same type
Typescript
Types
Variable Types
Cannot invoke an expression whose type lacks a call signature
Javascript
Typescript
Types
From base class in C#, get derived type?
C#
Reflection
Inheritance
Types
Why should I use int instead of a byte or short in C#
C#
asp.net
Sql Server
Types
Why SQL Server throws Arithmetic overflow error converting int to data type numeric?
Sql Server
Variables
Types
Numeric
What is () in Haskell, exactly?
Haskell
Types
Unit Type
Is there a 128 bit integer in C++?
C++
Performance
Types
Cross Platform
Uuid
When to use bit-fields in C?
C++
C
Memory
Struct
Types
PDO::PARAM for dates?
Php
Mysql
Date
Types
Pdo
What do scale and precision mean when specifying a decimal field type in Doctrine 2?
Database
Symfony
Orm
Types
Doctrine Orm
What is the datatype for a password in PostgreSQL?
Database
Postgresql
Types
How to keep leading zeros in a column when reading CSV with Pandas?
Python
Pandas
Csv
Types
Conditional types in TypeScript
Javascript
Typescript
Types
Use of `inline` in F#
F#
Types
Inline
How do I get the Array Item Type from Array Type in .net
.Net
Reflection
Types
Can I assume the size of long int is always 4 bytes?
C
Linux
Types
Posix
How to check the object type on runtime in TypeScript?
Typescript
Types
Runtime
proper/best type for storing latitude and longitude
Encoding
Types
Latitude Longitude
Integer summing blues, short += short problem
C#
Types
Int
Short
What's the difference between primitive and reference types?
Java
Types
Reference
Primitive
What are skolems?
Haskell
Types
Type Variables
Type conversion - unsigned to signed int/char
C
Types
Type Conversion
Integer Promotion
Signedness
What is the DataKinds extension of Haskell?
Haskell
Types
Algebraic Data-Types
Data Kinds
How to merge two enums in TypeScript
Typescript
Types
Enums
Merge
typescript2.0
How can I cast custom type to primitive type?
Javascript
Typescript
Types
Casting
Accessing elements by type in JavaScript
Javascript
Types
Element
Document
Which one to use, int or Integer
Java
Database
Performance
Types
Primitive
How to check programmatically if a type is a struct or a class?
C#
.Net
Class
Struct
Types
Find Types in All Assemblies
C#
.Net
asp.net
Reflection
Types
Scala type keyword: how best to use it across multiple classes
Scala
Types
Why isn't Array a generic type?
C#
Generics
Types
Language Design
remove null or undefined from properties of a type
Typescript
Types
Null
Undefined
SqlDateTime.MinValue != DateTime.MinValue, why?
.Net
Sql Server
Datetime
Types
casting non const to const in c++
C++
Types
Casting
Constants
Why does C++ promote an int to a float when a float cannot represent all int values?
C++
Types
Int
Floating Point-Conversion
Promotions
Unsigned short in Java
Java
Types
Unsigned
Short
Why doesn't Java throw an Exception when dividing by 0.0?
Java
Types
Integer
Double
Divide by-Zero
Slice of slices types
Types
Go
Slice
Difference between _Bool and bool types in C?
C
Types
Boolean
PostgreSQL and C# Datatypes
C#
Postgresql
Types
Haskell type vs. newtype with respect to type safety
Haskell
Types
Type Systems
What's the theoretical basis for existential types?
Haskell
Types
Type Systems
Existential Type
Quantifiers
Hashmap holding different data types as values for instance Integer, String and Object
Java
Types
Hashmap
Returning function pointer type
C
Syntax
Types
Function Pointers
Cannot access property on Swift type from Objective-C
Objective C
Swift
Types
Objective C-Swift-Bridge
Performance of TypeCasting
C#
.Net
Performance
Types
Parametric polymorphism vs Ad-hoc polymorphism
Java
Haskell
Types
Polymorphism
Type Inference
What is the most appropriate data type for storing an IP address in SQL server?
Sql
Sql Server
Types
Ip Address
Ipv4
Why do some people prefer "T const&" over "const T&"?
C++
Syntax
Pointers
Reference
Types
Is void a data type in C?
C
Types
Void
Order varchar string as numeric
Postgresql
Types
Casting
Indexing
Integer
C# Return different types?
C#
Types
Declare a delegate type in Typescript
C#
Types
Lambda
Delegates
Typescript
golang convert "type []string" to string
String
Go
Types
String Concatenation
Haskell Weird Kinds: Kind of (->) is ?? -> ? -> *
Haskell
Types
Type Systems
When is uint8_t â unsigned char?
C++
C
Types
Unsigned Char
Uint8t
Append a tuple to a list - what's the difference between two ways?
Python
List
Types
Append
Tuples
Import Package Error - Cannot Convert between Unicode and Non Unicode String Data Type
Sql Server-2005
Unicode
Ssis
Types
Non Unicode
What does it mean to say a type is "boxed"?
Java
Types
Terminology
Type Systems
Autoboxing
How can I convert a LazySeq of Characters to a String in Clojure?
Map
Clojure
Types
Primitive Types
Coercion
Enforce type difference
Scala
Types
How to convert byte array to string in Go
Go
Types
Sha1
Copying a column from one DataFrame to another gives NaN values?
Python
Pandas
Types
Copy
In Java is boolean cast useless?
Java
Types
Boolean
C# Object Type Comparison
C#
Types
Is char guaranteed to be exactly 8-bit long?
C
Types
Char
Haskell's algebraic data types
Data Structures
Haskell
Types
Functional Programming
Algebraic Data-Types
What defines an opaque type in C, and when are they necessary and/or useful?
C
Types
Finding the Concrete Type behind an Interface instance
C#
Interface
Types
Concrete
What is the differences between Int and Integer in Scala?
Scala
Types
Integer
Int
Conditional operator cannot cast implicitly?
C#
Types
Conditional Operator
Implicit Conversion
Python sum, why not strings?
Python
Types
Sum
Built In
Is it possible to save a Type (using "typeof()") in an enum?
C#
Types
Enums
Type Conversion
Store different datatypes in one NumPy array?
Python
Arrays
Types
Numpy
How to call Type Methods within an instance method
Ios
Class
Methods
Types
Swift
Python JSON encoding
Python
Json
Encoding
Types
Simplejson
How to call generic method with a given Type object?
C#
.Net
Generics
Reflection
Types
Curry-Howard isomorphism
Haskell
Types
Logic
Curry Howard
How to cast to a type alias in Go?
Types
Casting
Go
Why are Haskell algebraic data types "closed"?
Oop
Haskell
Types
Functional Programming
Type Systems
How to get the range of valid Numpy data types?
Python
Numpy
Types
Avoiding namespace pollution in Haskell
Haskell
Namespaces
Types
Records
How do you extend types in GraphQL?
Types
Graphql
Where is ptrdiff_t defined in C?
C
Types
Libc
Stdint
what are Datatypes in SQLite supporting android
Android
Sqlite
Types
What is the difference between a class and a type in Scala (and Java)?
Java
Class
Scala
Types
Language Design
Are there types bigger than long long int in C++?
C++
Types
Why does the complement behave differently through printf?
C
Variables
Types
Bitwise Operators
Unsigned Char
Is it a good idea to use an integer column for storing US ZIP codes in a database?
Database
Database Design
Types
Street Address
Postal Code
Why is NaN (not a number) only available for doubles?
C#
Types
Varchar(255) to Varchar(MAX)
Sql
Types
Varchar
James Gosling's explanation of why Java's byte is signed
Java
Types
Language Design
Byte
Advantages of Scala's type system
Scala
Types
What is the data type for unix_timestamp (MySQL)?
Sql
Mysql
Types
How to determine if an object is an instance of certain derived C++ class from a pointer to a base class in GDB?
C++
Types
Gdb
Superclass
Instanceof
MySQL truncates concatenated result of a GROUP_CONCAT function
Mysql
View
Types
Truncate
Converting number primitives (i32, f64, etc) to byte representations
Types
Rust
Generic Object type in typescript
Typescript
Types
How can I iterate over a custom literal type in TypeScript?
Typescript
Types
Is there a way to refer to the current type with a type variable?
Java
Generics
Types
Java 6 annotation processing -- getting a class from an annotation
Java
Types
Annotation Processing
Why does the Swift language guide suggest using Int "even when values are known to be non-negative"?
Types
Coding Style
Swift
Type Safety
Why do C++ streams use char instead of unsigned char?
C++
Types
Stream
Overflow
Iostream
MySQL datatype INT(11) whereas UNSIGNED INT(10)?
Mysql
Types
Int
Unsigned Integer
Are there any real life uses for the Java _signed_ byte primitive type?
Java
Types
Byte
Algebraically interpreting polymorphism
Haskell
Types
How to create a circularly referenced type in TypeScript?
Types
Typescript
Circular Reference
What is the purpose of bivarianceHack in TypeScript types?
Typescript
Types
Difference between DECIMAL and NUMERIC
Sql
Types
Decimal
Numeric
Determine if collection is of type IEnumerable<T>
C#
.Net
Linq
Collections
Types
Comparing Class Types in Java
Java
Types
Compare
Why / when to use `intptr_t` for type-casting in C?
C
Memory Management
Types
Casting
Intptr
What is the difference between intXX_t and int_fastXX_t?
C
Optimization
Types
Integer
C99
Can the generic type of a generic Java method be used to enforce the type of arguments?
Java
Generics
Types
Dynamically find the class that represents a primitive Java type
Java
Reflection
Types
Primitive
What is the "base class" for C# numeric value types?
C#
Types
What is the correct type for array indexes in C?
C
Types
Indexing
C99
What does :: (double colon) stand for?
Function
Haskell
Syntax
Types
How to check if a variable is a blob in JavaScript
Javascript
Types
Blob
Is C# type system sound and decidable?
C#
Types
Covariance
Type Systems
Why are single type constraints disallowed in Python?
Python
Types
Python 3.6
.NET Integer vs Int16?
C#
.Net
vb.net
Variables
Types
SSIS Excel Import Forcing Incorrect Column Type
Sql Server
Excel
Types
Ssis
What primitive data type is time_t?
C
Types
Printf
Time T
What's the difference between undefined in Haskell and null in Java?
Java
Haskell
Types
Null
Maybe
What are "sums-and-products" data structures?
Data Structures
Programming Languages
Types
Type Systems
Algebraic Data-Types
How to store array or multiple values in one column
Sql
Arrays
Postgresql
Types
Is there a way to output the java data type to the console?
Java
Types
Casting
Get argument types for function / class constructor
Typescript
Types
Constructor
What are the difference between generic Type(T) vs any in typescript
Javascript
Angular
Typescript
Generics
Types
Sql Data Type for Primary Key - SQL Server?
Sql Server
Database Design
Types
What is the underlying type of a c++ enum?
C++
Enums
Size
Types
Hex
Are all data pointers the same size in one platform for all data types?
C
Pointers
Types
Check if a parameter is a Python module?
Python
Types
How much disk-space is needed to store a NULL value using postgresql DB?
Sql
Postgresql
Types
Nullable
Generic with multiple classes
C#
Generics
Types
Parameters
Specifying a type to be a List of numbers (ints and/or floats)?
Python
Types
Type Hinting
Mypy
SQL Server giving arithmetic overflow when calculating avg
Sql Server
Types
How to write an unsigned short int literal?
C++
Types
mysql datatype for telephone number and address
Mysql
Types
Phone Number
Street Address
What is the difference between `$this`, `@that`, and `%those` in Perl?
Perl
Types
Sigils
Where are python bytearrays used?
Python
Types
How to determine if a type is a type of collection?
C#
Collections
Types
Refactoring
How to set dtypes by column in pandas DataFrame
Python
Pandas
Types
How to idiomatically convert between u32 and usize?
Types
Rust
Type Conversion
If the size of "long" and "int" are the same on a platform - are "long" and "int" different in any way?
C
Types
Integer
Representation