Gang Of Coders
Home
About Us
Contact Us
All Key Solutions on Gang of Coders
Total of 90 Key Solutions
How can I see if a Perl hash already has a certain key?
Perl
Hash
Key
Lookup
What is the best way to use two keys with a std::map?
C++
Dictionary
Stl
Key
Stdmap
SQL keys, MUL vs PRI vs UNI
Mysql
Sql
Key
How to modify key in a dictionary in C#
C#
.Net
Dictionary
Key
There are no primary or candidate keys in the referenced table that match the referencing column list in the foreign key
Sql
Sql Server
Key
Candidate
Relations on composite keys using sqlalchemy
Python
Sqlalchemy
Key
Composite
Database Relations
How can I use the paid version of my app as a "key" to the free version?
Android
Key
Remove blacklist keys from array in PHP
Php
Arrays
Key
Manage Google Maps API Key with Gradle in Android Studio
Android
Gradle
Android Studio
Key
Google Maps-Android-Api-2
Are UNIQUE indices case sensitive in MySQL?
Mysql
Indexing
Key
Unique
Case Sensitive
Find dictionary items whose key matches a substring
Python
Dictionary
Substring
Key
How to find array / dictionary value using key?
Php
Arrays
Key
Get dictionary value by key
C#
Dictionary
Key
How to print a dictionary's key?
Python
Dictionary
Key
Is the primary key automatically indexed in MySQL?
Mysql
Database
Indexing
Key
What's the difference between using INDEX vs KEY in MySQL?
Mysql
Indexing
Key
Dictionary: Get list of values for list of keys
Python
List
Dictionary
Key
How can I get dictionary key as variable directly in Python (not by searching from value)?
Python
Dictionary
Key
Which characters are valid/invalid in a JSON key name?
Javascript
Json
Object
Key
KeyboardEvent.keyCode deprecated. What does this mean in practice?
Javascript
Key
Deprecated
Keycode
How to get key names from JSON using jq
Json
Shell
Unix
Key
Jq
How can I find the keys of an object?
Javascript
Object
Key
Looking for ALT+LeftArrowKey solution in zsh
Shell
Key
Zsh
How to get a random value from dictionary?
Python
Random
Dictionary
Key
Surrogate vs. natural/business keys
Database
Database Design
Primary Key
Key
How do you test a public/private DSA keypair?
Encryption
Ssl
Openssl
Key
Get HTML5 localStorage keys
Javascript
Html
Key
Local Storage
Accessing dict_keys element by index in Python3
Python
Dictionary
Python 3.x
Key
How do I make a composite key with SQL Server Management Studio?
Sql
Sql Server
Tsql
Ssms
Key
How to update a value, given a key in a hashmap?
Java
Key
Hashmap
get all keys set in memcached
Get
Memcached
Key
Telnet
Return a default value if a dictionary key is not available
Python
Dictionary
Key
Nonetype
Android EditText delete(backspace) key event
Android
Events
Android Edittext
Key
How can i tell if an object has a key value observer attached
Objective C
Cocoa
Key
Key Value-Observing
SSL: error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch
Ssl
Nginx
Openssl
Certificate
Key
Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL?
Mysql
Indexing
Key
Schema
Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.9.4 or earlier
R
String
Sorting
data.table
Key
Is there any way to use a numeric type as an object key?
Javascript
Object
Types
Key
Numeric
PHP Multidimensional Array Searching (Find key by specific value)
Php
Search
Multidimensional Array
Key
How to permanently add a private key with ssh-add on Ubuntu?
Ubuntu
Ssh
Key
Ssh Agent
jq: print key and value for each entry in an object
Json
Object
Key
Export to-Csv
Jq
What is the difference between DSA and RSA?
Encryption
Rsa
Key
Dsa
How to remove a lua table entry by its key?
Lua
Key
Lua Table
Python: Tuples/dictionaries as keys, select, sort
Python
Select
Dictionary
Key
Tuples
Easiest way to check for an index or a key in an array?
Arrays
Bash
Indexing
Key
How to check if multiple array keys exists
Php
Key
How to elegantly rename all keys in a hash in Ruby?
Ruby
Hash
Key
SSH Key: “Permissions 0644 for 'id_rsa.pub' are too open.” on mac
Ssh
Permissions
Key
Search for highest key/index in an array
Php
Arrays
Key
Highest
How to add multiple values to the same dictionary key in python?
Python
Dictionary
Key
python JSON only get keys in first level
Python
Json
Python 2.7
Iterator
Key
Java AES and using my own Key
Java
Key
Aes
Remove all elements from array that do not start with a certain string
Php
Arrays
Key
Filtering
Array Filter
What is the use of adding a null key or value to a HashMap in Java?
Java
Null
Hashmap
Key
Characters allowed in php array keys?
Php
Arrays
Key
Initializing a dictionary in python with a key value and no corresponding values
Python
Dictionary
Initialization
Key
NLTK python error: "TypeError: 'dict_keys' object is not subscriptable"
Python
Python 3.x
Dictionary
Key
Nltk
How to efficiently count the number of keys/properties of an object in JavaScript
Javascript
Performance
Properties
Count
Key
Filter array by its keys using an array of allowed keys
Php
Arrays
Key
Filtering
Whitelist
MongoDB - Multiple $or operations
Key
Mongodb
What requirements must std::map key classes meet to be valid keys?
C++
Stl
Map
Key
JavaScript: Object Rename Key
Javascript
Object
Key
Rename
android: Softkeyboard perform action when Done key is pressed
Android
Key
Listener
Android Softkeyboard
What is difference between const and non const key?
C++
Key
Language Lawyer
Key Value
Stdmap
php: how to get associative array key from numeric index?
Php
Key
Associative Array
How to iterate array keys in Javascript?
Javascript
Arrays
Key
Jump to Closing tag in VS Code?
Tags
Key
Visual Studio-Code
Brackets
How to iterate through table in Lua?
Arrays
Loops
Lua
Key
Lua Table
What is key=lambda
Python
Lambda
Key
Is it reasonable to use None as a dictionary key in Python?
Python
Dictionary
Key
Is there a class like Dictionary<> in C#, but for just keys, no values?
C#
List
Dictionary
Key
Are mutable hashmap keys a dangerous practice?
Hash
Key
Hashmap
Hashcode
Mutable
How to print all key and values from HashMap in Android?
Java
Android
Key
Hashmap
What is the max key size for an array in PHP?
Php
Arrays
Key
What's the difference between Ctrl+C and Ctrl+[?
Vim
Key
How to Generate Unique Public and Private Key via RSA
C#
Encryption
Cryptography
Rsa
Key
Is there a better PHP way for getting default value by key from array (dictionary)?
Php
Arrays
Key
Default Value
Language Design
Class is not key value coding-compliant
Iphone
Uitableview
Key
iterating through Enumeration of hastable keys throws NoSuchElementException error
Java
Hashtable
Enumeration
Key
Get the new record primary key ID from MySQL insert query?
Mysql
Insert
Key
Auto Increment
switching keys and values in a dictionary in python
Python
Dictionary
Key
PHP: Get key from array?
Php
Arrays
Multidimensional Array
Key
Google map signed api key errors in Android
Android
Google Maps
Key
Signed
Python: create dictionary using dict() with integer keys?
Python
Dictionary
Integer
Key
How to remove duplicates based on a key in Mongodb?
Mongodb
Optimization
Duplicates
Key
C++ STL map::erase a non-existing key
C++
Stl
Map
Key
Erase
Return copy of dictionary excluding specified keys
Python
Dictionary
Key
Dictionary Comprehension
How to get Map keys by values in Dart?
Dictionary
Dart
Key
ssh-keygen' is not recognized as an internal or external command
Git
Ssh
Windows Xp
Key
Is there a Unicode glyph that looks like a "key" icon?
Unicode
Icons
Key
Glyph