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Total of 363 Variables Solutions
How do JavaScript closures work?
Javascript
Function
Variables
Scope
Closures
"Notice: Undefined variable", "Notice: Undefined index", "Warning: Undefined array key", and "Notice: Undefined offset" using PHP
Php
Arrays
Variables
Warnings
Undefined Index
What does variable names beginning with _ mean?
C#
asp.net
Syntax
Variables
Naming Conventions
setq and defvar in Lisp
Variables
Lisp
Common Lisp
Assign
Variable Declaration
Default php function that turns negative numbers in 0
Php
Math
Variables
Numbers
Question mark in the middle of a URL variable
Html
Url
Variables
Why are global variables always initialized to '0', but not local variables?
C
Variables
Global
Local
Java system properties and environment variables
Java
Variables
Properties
System
Environment
When should I quote CMake variables?
Variables
Cmake
Macros
Best way to retrieve variable values from a text file?
Python
Variables
Text Files
Correct Use Of Global Variables In Python 3
Python
Function
Variables
Python 3.x
Global Variables
POST Variable Array and filter_input
Php
Arrays
Variables
Post
Input
Set variable in jinja
Python
Templates
Variables
Variable Assignment
Jinja2
Using variable in a LIMIT clause in MySQL
Mysql
Limit
Clause
Variables
Convert string to variable name in JavaScript
Javascript
Variables
Java check to see if a variable has been initialized
Java
Variables
Initialization
Get img src with PHP
Php
Html
Image
Variables
Src
How to force Ruby string to n characters
Ruby
String
Variables
String Length
How references to variables are resolved in Python
Python
Variables
Python 2.7
Scope
Python Internals
Why use abs() or fabs() instead of conditional negation?
C++
C
Variables
Negation
Absolute Value
Is it possible to print a preprocessor variable in C?
C
Variables
C Preprocessor
Python Django Global Variables
Python
Django
Memory
Variables
Global
Prepending "http://" to a URL that doesn't already contain "http://"
Javascript
Html
Variables
Differences between declare, typeset and local variable in Bash
Bash
Shell
Variables
Scope
Declare
How to use a tablename variable for a java prepared statement insert
Java
Sql
Variables
Dynamic
Prepared Statement
how to pass variables between jade templates
Templates
Variables
Pug
How specify a list value as variable in ansible inventory file?
List
Variables
Ansible
Inventory
What does it mean when a variable appears red in the visual studio C++ debugger?
C++
Visual Studio
Debugging
Variables
VBA Check if variable is empty
Vba
Object
Variables
Is Empty
What makes a static variable initialize only once?
C++
Variables
Static
Static Variables
How do I print some text in bash and pad it with spaces to a certain width?
Bash
Variables
Printing
Formatting
Printf
Pointer vs Variable speed in C++
C++
Performance
Variables
Pointers
Bash - variable variables
Bash
Variables
javascript pass object as reference
Javascript
Variables
Object
Reference
Pass by-Reference
C++ Global variable declaration
C++
Variables
Global Variables
IntelliJ IDEA underlines variables when using += in JAVA
Java
Variables
Intellij Idea
Underline
Create a variable in .CSS file for use within that .CSS file
Css
Variables
.NET Integer vs Int16?
C#
.Net
vb.net
Variables
Types
how to declare variable type, C style in python
Python
C
Variables
Why does Java allow control characters in its identifiers?
Java
Variables
Unicode
How create an array from the output of an array printed with print_r?
Php
Arrays
String
Variables
Type Conversion
Scala - mutable (var) method parameter reference
Scala
Variables
Methods
Parameters
Are PHP Variables passed by value or by reference?
Php
Variables
Pass by-Reference
Pass by-Value
if variable contains
Javascript
Variables
If Statement
jQuery return ajax result into outside variable
Jquery
Ajax
Variables
What does the ampersand (&) before `self` mean in Rust?
Variables
Syntax
Rust
Efficient way to convert strings from split function to ints in Python
Python
Variables
Casting
C Programming: Forward variable argument list
C
Variables
Arguments
Printf
Forward
PHP global or $GLOBALS
Php
Variables
Function
Global
Can global constants be declared in JavaScript?
Javascript
Variables
Constants
Global Variables
Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned' objects
Objective C
Variables
Ios5
Properties
Automatic Ref-Counting
If you create a variable inside a if statement is it available outside the if statement?
Php
Variables
How do I import variable packages in Python like using variable variables ($$) in PHP?
Python
Variables
Variable Variables
Redeclaring a javascript variable
Javascript
Variables
Declaration
Python Conditional Variable Setting
Python
Variables
If Statement
Conditional Statements
myString.replace( VARIABLE, "") ...... but globally
Javascript
String
Variables
Replace
PHP Multiple Checkbox Array
Php
Arrays
Variables
Checkbox
Test if number is odd or even
Php
Variables
Numbers
Printing variables in Python 3.4
Python
Variables
Printing
Syntax
JavaScript - Using a variable to refer to a property name?
Javascript
Jquery
Object
Variables
Properties
Does C# support a variable number of arguments, and how?
C#
.Net
Variables
Arguments
Params
Assign command output to variable in batch file
Batch File
Variables
Flash
Cmd
Registry
Convert dictionary to bytes and back again python?
Python
Variables
Dictionary
Byte
How would I access variables from one class to another?
Python
Class
Variables
How do I check if a variable exists?
Python
Exception
Variables
How to trim whitespace from a Bash variable?
String
Bash
Variables
Trim
How to create module-wide variables in Python?
Python
Variables
Singleton
Module
Scope
PHP - concatenate or directly insert variables in string
Php
String
Variables
Concatenation
Pointer vs. Reference
C++
Variables
Pointers
Reference
How to define a variable in a Dockerfile?
Variables
Docker
Dockerfile
How can I pass variable to ansible playbook in the command line?
Variables
Command Line
Command Line-Arguments
Ansible
Ansible Playbook
Javascript Regex: How to put a variable inside a regular expression?
Javascript
Regex
Variables
How can I define colors as variables in CSS?
Css
Variables
Colors
Css Variables
UnboundLocalError on local variable when reassigned after first use
Python
Variables
Scope
Formatting a float to 2 decimal places
C#
Variables
Floating Point
Decimal
Initializing multiple variables to the same value in Java
Java
Variables
Initialization
Declaration
What does ${} (dollar sign and curly braces) mean in a string in JavaScript?
Javascript
String
Variables
Concatenation
Will using 'var' affect performance?
C#
Performance
Variables
Var
Using variables inside a bash heredoc
Bash
Variables
Sh
Heredoc
Dynamic variable names in Bash
Bash
Variables
Dynamic
Syntax
Why is the asterisk before the variable name, rather than after the type?
C
Pointers
Variables
Naming Conventions
How to check a not-defined variable in JavaScript
Javascript
Variables
Undefined
Is it better in C++ to pass by value or pass by constant reference?
C++
Variables
Pass by-Reference
Constants
Pass by-Value
How can I print variable and string on same line in Python?
Python
String
Variables
Printing
Simpler way to create dictionary of separate variables?
Python
String
Variables
SQL variable to hold list of integers
Sql Server
List
Tsql
Variables
Reporting Services
PHP Pass variable to next page
Php
Variables
Session
What is the naming convention in Python for variable and function names?
Python
Variables
Function
Naming Conventions
How to store standard error in a variable
Bash
Shell
Redirect
Variables
Stderr
How to split one string into multiple variables in bash shell?
Bash
Shell
Variables
Using braces with dynamic variable names in PHP
Php
Variables
Dynamic
Dynamic Variables
How to check if type of a variable is string?
Python
String
Variables
Types
Multiple left-hand assignment with JavaScript
Javascript
Variables
Variable Assignment
PHP check whether property exists in object or class
Php
Class
Variables
Object
Parameters
How to swap two variables in JavaScript
Javascript
Variables
Swap
How can you dynamically create variables?
Python
Variables
How do I get the type of a variable?
C++
Variables
Typeof
Importing variables from another file?
Python
File
Variables
Import
How to get the type of a variable in MATLAB
Matlab
Variables
Types
Best way to test for a variable's existence in PHP; isset() is clearly broken
Php
Variables
Isset
How do I count occurrence of unique values inside a list
Python
Arrays
Variables
Loops
Unique
Set environment variables from file of key/value pairs
Bash
Variables
Environment Variables
How do you know a variable type in java?
Java
Variables
Types
Modify alpha opacity of LESS variable
Css
Variables
Less
Opacity
Alpha
What is the difference between ${var}, "$var", and "${var}" in the Bash shell?
Bash
Shell
Variables
Syntax
Static variables in JavaScript
Javascript
Variables
Static
Closures
Why are variables "i" and "j" used for counters?
Variables
Language Agnostic
What is the use of a private static variable in Java?
Java
Variables
Static
Private
Calling a JavaScript function named in a variable
Javascript
Function
Variables
Error: "Cannot modify the return value" c#
C#
Variables
Struct
Immutability
How can I combine two strings together in PHP?
Php
String
Variables
Combinations
PowerShell: Setting an environment variable for a single command only
Windows
Powershell
Scripting
Variables
Environment
How do you create different variable names while in a loop?
Python
Loops
Variables
How can I reference a file for variables using Bash?
Bash
Variables
Configuration Files
How can I store a command in a variable in a shell script?
Linux
Bash
Variables
Command
How do you use script variables in psql?
Sql
Postgresql
Variables
Psql
How do I pass JavaScript variables to PHP?
Php
Javascript
Variables
Mixing a PHP variable with a string literal
Php
String
Variables
How can I do division with variables in a Linux shell?
Linux
Bash
Shell
Variables
Division
instantiate a class from a variable in PHP?
Php
Class
Variables
Eval
PHP | define() vs. const
Php
Variables
Constants
Psr 1
Psr 12
What is the purpose of the single underscore "_" variable in Python?
Python
Variables
Naming Conventions
Metasyntactic Variable
How does an underscore in front of a variable in a cocoa objective-c class work?
Objective C
Cocoa Touch
Cocoa
Variables
Syntax
More elegant way of declaring multiple variables at the same time
Python
Variables
Declaration
Remove an element from a Bash array
Arrays
Bash
Variables
How to remove a newline from a string in Bash
Bash
Variables
Why can't variable names start with numbers?
C++
Variables
Programming Languages
Language Design
Variable Names
Python nested functions variable scoping
Python
Variables
Scope
Save current directory in variable using Bash?
Bash
Variables
Directory
How to declare variable and use it in the same Oracle SQL script?
Sql
Oracle
Variables
Declaration
How do I declare and assign a variable on a single line in SQL
Sql
Sql Server-2008
Variables
Append integer to beginning of list in Python
Python
List
Variables
Append
How to including variables within strings?
Java
Variables
Insert
Include
Quotation Marks
Append to string variable
Javascript
String
Variables
Append
Objective-C Static Class Level variables
Objective C
Variables
Static
How to base64 encode image in linux bash / shell
Linux
Image
Shell
Variables
Base64
Is it possible to create a multi-line string variable in a Makefile
Variables
Makefile
How do I create a multiline Python string with inline variables?
Python
String
Variables
Multiline
Using i and j as variables in MATLAB
Matlab
Variables
Naming Conventions
Set "this" variable easily?
Javascript
Variables
Scope
This
Capturing multiple line output into a Bash variable
Bash
Variables
What is a None value?
Python
Variables
If Statement
Where do I find the definition of size_t?
C++
C
Variables
What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
Variables
Syntax
Makefile
Removing double quotes from variables in batch file creates problems with CMD environment
Variables
Batch File
Cmd
Quotes
PHP variables in anonymous functions
Php
Function
Variables
Global Variables
Anonymous
How to modify a global variable within a function in bash?
Bash
Variables
Global Variables
Eval
Global variables in Javascript and ESLint
Javascript
Variables
Global
Eslint
Instance variables vs. class variables in Python
Python
Class
Variables
Static
Member
Define a global variable in a JavaScript function
Javascript
Function
Variables
Scope
Declaration
Variable declared in for-loop is local variable?
C#
Variables
Scope
Why does dividing two int not yield the right value when assigned to double?
C++
Variables
Double
Integer Division
Assign same value to multiple variables at once?
Php
Variables
Variable Assignment
How do you use variables in a simple PostgreSQL script?
Postgresql
Variables
How to add elements to an empty array in PHP?
Php
Arrays
Variables
What is the exact meaning of IFS=$'\n'?
Bash
Shell
Variables
Environment Variables
Ifs
How can I store the "find" command results as an array in Bash
Arrays
Bash
Variables
Find
Set a path variable with spaces in the path in a Windows .cmd file or batch file
Batch File
Path
Variables
Cmd
Space
How do I use variables in Oracle SQL Developer?
Sql
Oracle
Variables
Declare
How to get the value of a variable given its name in a string?
Python
String
Variables
What is the difference between an int and a long in C++?
C++
Variables
How do I save and restore multiple variables in python?
Python
Variables
Object
What does the @ symbol before a variable name mean in C#?
C#
Variables
Naming
Specifications
Reserved Words
no new variables on left side of :=
Variables
Go
Colon Equals
Assigning code to a variable
C#
Variables
How to interpolate variables in strings in JavaScript, without concatenation?
Javascript
String
Variables
String Interpolation
How can I check if an element exists in the visible DOM?
Javascript
Dom
Variables
Element
Exists
Modify/view static variables while debugging in Eclipse
Eclipse
Debugging
Variables
Static
How can I assign the output of a function to a variable using bash?
Bash
Variables
Function
How can I determine if a variable is 'undefined' or 'null'?
Javascript
Jquery
Variables
Null
Undefined
How to use Global Variables in C#?
C#
Variables
Scope
Declaring variables inside a switch statement
Objective C
C
Variables
Switch Statement
Declaration
What is the difference between "instantiated" and "initialized"?
vb.net
Variables
Is it possible to print a variable's type in standard C++?
C++
Variables
C++11
Typeof
Expansion of variables inside single quotes in a command in Bash
Bash
Shell
Variables
Quotes
Using unset vs. setting a variable to empty
Bash
Variables
Syntax
What is "_," (underscore comma) in a Go declaration?
Variables
Go
How can you print a variable name in python?
Python
Dictionary
Variables
Introspection
Declare variable in SQLite and use it
Sql
Sqlite
Variables
Declaration
Elegant way to check if a nested key exists in a dict?
Python
Variables
Object
"No X11 DISPLAY variable" - what does it mean?
Java
Linux
Variables
X11
Headless
Creating or referencing variables dynamically in Sass
Variables
Sass
Length of string in bash
Bash
Variables
String Length
How to use a variable for a key in a JavaScript object literal?
Javascript
Jquery
Variables
Properties
Object Literal
"Variable" variables in JavaScript
Javascript
Variables
Variable Variables
How to list variables declared in script in bash?
Bash
Variables
Only add to a dict if a condition is met
Python
Variables
Dictionary
Urllib
MySQL: @variable vs. variable. What's the difference?
Mysql
Sql
Variables
Why are local variables not initialized in Java?
Java
Variables
Initialization
How to quickly change variable names in Vim?
Vim
Variables
Refactoring
How to store Query Result in variable using mysql
Mysql
Database
Variables
Set
What's the difference between placing "mut" before a variable name and after the ":"?
Variables
Syntax
Reference
Rust
Mutable
Are delphi variables initialized with a value by default?
Delphi
Variables
Initialization
What does immutable mean?
Javascript
Variables
Immutability
How can I simulate an array variable in MySQL?
Mysql
Arrays
Variables
Set
Temp Tables
Should a directory path variable end with a trailing slash?
Unix
File
Variables
Path
Xcode variables
Xcode
Variables
Build Process
Build Automation
JavaScript - Use variable in string match
Javascript
Variables
Match
Create timestamp variable in bash script
Bash
Variables
Timestamp
Assigning variables with dynamic names in Java
Java
Variables
Dynamic Variables
SQL NVARCHAR and VARCHAR Limits
Sql
Sql Server
Sql Server-2008
Variables
String Concatenation
What is the meaning of @_ in Perl?
Perl
Variables
When to use an object instance variable versus passing an argument to the method
Variables
Methods
Parameter Passing
Declaration
JavaScript check if variable exists (is defined/initialized)
Javascript
Function
Variables
Initialization
Undefined
What is the scope of variables in JavaScript?
Javascript
Function
Variables
Scope
Var
How to check if a variable is set in Bash
Bash
Shell
Variables
How do I check if a variable is an array in JavaScript?
Javascript
Arrays
List
Variables
Determine if variable is defined in Python
Python
Variables
Defined
Beautiful way to remove GET-variables with PHP?
Php
Url
Variables
Get
Assign variables to child template in {% include %} tag Django
Html
Django
Variables
Include
Django Templates
IntelliJ: How to auto-highlight variables like in Eclipse
Variables
Intellij Idea
Highlighting
Assign multiple new variables on LHS in a single line
R
Variables
Tuples
Variable Assignment
Assign
Is there a better way of writing v = (v == 0 ? 1 : 0);
Javascript
Variables
Coding Style
Toggle
Use YAML with variables
Ruby on-Rails
Ruby
Variables
Yaml
String Interpolation
Are Variable Operators Possible?
Javascript
Variables
Operators
Operator Keyword
Dynamic Variables
Convert Variable Name to String?
Python
String
Variables
Variables within app.config/web.config
C#
Variables
Web Config
App Config
console.log() shows the changed value of a variable before the value actually changes
Javascript
Google Chrome
Variables
When do function-level static variables get allocated/initialized?
C++
Variables
Difference between State, ST, IORef, and MVar
Variables
Haskell
Monads
State Monad
Ioref
How do I inspect Vim variables?
Variables
Vim
Are Python variables pointers? Or else, what are they?
Python
Pointers
Variables
Identifier
Remove item from a Makefile variable?
Variables
Makefile
Gnu Make
ISO C90 forbids mixed declarations and code in C
C
Variables
How do I get a variable with the name of the user running ansible?
Variables
Ansible
Static vs class functions/variables in Swift classes?
Function
Class
Swift
Variables
Static
Declaring variables without var keyword
Javascript
Variables
Global Variables
Declaration
While variable is not defined - wait
Jquery
Variables
Timeout
Delay
Why are we using i as a counter in loops?
Variables
Loops
Naming
How to pass a list from Python, by Jinja2 to JavaScript
Javascript
Python
Variables
Jinja2
In WebGL what are the differences between an attribute, a uniform, and a varying variable?
Variables
Types
Matrix
Webgl
Django debug display all variables of a page
Django
Variables
Templates
Debugging
JavaScript variable definition: Commas vs. Semicolons
Javascript
Variables
PHP pass variable to include
Php
Variables
Include
Global Variables
Global
Why does foo = filter(...) return a <filter object>, not a list?
Python
Variables
Filter
Variable Assignment
Python: load variables in a dict into namespace
Python
Variables
Scope
Locals
How to delete "px" from 245px
Javascript
String
Variables
Erase
Variable's memory size in Python
Python
Variables
Memory
shared global variables in C
C
Variables
Linker
Global Variables
Scope
Is it necessary to assign a string to a variable before comparing it to another?
Objective C
Cocoa Touch
Variables
How to get the original variable name of variable passed to a function
Python
Function
Variables
Is there any way I can define a variable in LaTeX?
Variables
Latex
JSON to string variable dump
Javascript
Jquery
Json
Variables
How can I make a program wait for a variable change in javascript?
Javascript
Variables
Wait
Passing a variable from one php include file to another: global vs. not
Php
Variables
Include
Scope
Global
How to obtain values of request variables using Python and Flask
Python
Variables
Request
Flask
Non-declaration statement outside function body in Go
Variables
Scope
Go
Package
Global
What happens when you assign the value of one variable to another variable in Python?
Python
Variables
Object
How to make a for loop variable const with the exception of the increment statement?
C++
Algorithm
For Loop
Variables
Constants
PHP curly brace syntax for member variable
Php
Syntax
Variables
Curly Braces
Variable might not have been initialized error
Java
Variables
Initialization
Defining a variable in the condition part of an if-statement?
C++
Variables
If Statement
Standards
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
Why can the keyword "weak" only be applied to class and class-bound protocol types
Swift
Variables
Weak References
Enumerate or list all variables in a program of [your favorite language here]
Debugging
Variables
Enumeration
what does a php function return by default?
Php
Function
Variables
Language Design
Windows batch command to ignore case sensitivity in variables
Variables
Batch File
Case Sensitive
Code Formatting
Which variable size to use (db, dw, dd) with x86 assembly?
Variables
Assembly
X86
How to return the output of stored procedure into a variable in sql server
Sql
Sql Server
Variables
Stored Procedures
Creating CSS Global Variables : Stylesheet theme management
Css
Variables
How to detect when a variable changes value
Java
Eclipse
Debugging
Variables
Error if don't check if {{object.field}} exists
Variables
Properties
Null
Angular
Why SQL Server throws Arithmetic overflow error converting int to data type numeric?
Sql Server
Variables
Types
Numeric
PHP function use variable from outside
Php
Function
Variables
How do I get the value of a registry key and ONLY the value using powershell
Variables
Powershell
Registrykey
What's the best way to return multiple values from a function?
Python
Variables
Return
Copied variable changes the original?
Python
Variables
export not working in my shell script
Linux
Shell
Variables
Terminal
Can I pass a string variable to jq not the file?
Json
Bash
Variables
Input
Jq
const vs constexpr on variables
C++
Variables
C++11
Constants
Constexpr
php variable in html no other way than: <?php echo $var; ?>
Php
Html
Variables
Accessing a class constant using a simple variable which contains the name of the constant
Php
Class
Variables
Constants
Duplicating objects in Java
Java
Variables
Object
Pointers
Reference
JQuery/Javascript: check if var exists
Javascript
Jquery
Variables
What is the difference between a variable, object, and reference?
Java
C#
Variables
Object
Reference
Printing all global variables/local variables?
C
Variables
Gdb
Global Variables
What is the difference between signed and unsigned variables?
Language Agnostic
Variables
Unsigned
JUnit Testing private variables?
Java
Unit Testing
Variables
Junit
Private
Using variables in Nginx location rules
Variables
Nginx
Webserver
Define multiple variables at once in Kotlin (e.g Java : String x,y,z;)
Variables
Kotlin
Test if an argument of a function is set or not in R
R
Function
Variables
Variable Assignment
Isset
JavaScript OR (||) variable assignment explanation
Javascript
Variables
Variable Assignment
Or Operator
jQuery: using a variable as a selector
Jquery
Variables
Jquery Selectors
In MATLAB, are variables REALLY double-precision by default?
Variables
Matlab
Floating Point
Precision
Declaring multiple variables in JavaScript
Javascript
Variables
Coding Style
Performance
Declaration
When/why to prefix variables with "$" when using jQuery?
Javascript
Jquery
Variables
Dollar Sign
Getting strings recognized as variable names in R
R
Variables
String Concatenation
Increment variable value by 1 (shell programming)
Shell
Debugging
Variables
Ubuntu
Command Line
What's the meaning of static variables in an implementation of an interface?
Objective C
Variables
Static
Static Variables
What is the difference between "$@" and "$*" in Bash?
Bash
Variables
Command Line-Arguments
Using a variable period in an interval in Postgres
Postgresql
Variables
Intervals
Period
Can you assign multiple variables at once in PHP like you can with Java?
Php
Variables
How to access global variables
Variables
Go
Global
Main
Python conditional assignment operator
Python
Variables
Conditional
How to include a PHP variable inside a MySQL statement
Php
Mysql
Sql
String
Variables
python: how to identify if a variable is an array or a scalar
Python
Arrays
Variables
Scalar
PHP variable interpolation vs concatenation
Php
String
Variables
Concatenation
String Interpolation
Define a variable and set it to a default value if something goes wrong during definition
Variables
Gradle
Null
Default Value
Underscore _ as variable name in Python
Python
Variables
Naming Conventions
Metasyntactic Variable
How to call function that takes an argument in a Django template?
Python
Django
Function
Variables
Django Templates
Enum variable default value?
C++
Variables
Enums
Default Value
Bootstrap variable overriding with LESS
Variables
Twitter Bootstrap
Customization
Less
Access variable value where the name of variable is stored in a string
R
Variables
R Faq
Can a Jinja variable's scope extend beyond in an inner block?
Templates
Variables
Scope
Jinja2
Can I use variables for selectors?
Css
Variables
Sass
Css Selectors
How can I define a variable in XAML?
Wpf
Xaml
Variables
Why must local variables, including primitives, always be initialized in Java?
Java
Variables
Primitive Types
What is the meaning of the ${0##...} syntax with variable, braces and hash character in bash?
Bash
Variables
Syntax
Curly Braces
What is the difference between var and val in Kotlin?
Kotlin
Variables
Strict mode in PHP
Php
Variables
Declaration
How to convert keycode to character using javascript
Javascript
Variables
Keycode
Calculating the sum of two variables in a batch script
Batch File
Variables
Dosbox
Check if a variable is in an ad-hoc list of values
C#
Variables
Contains
Can PHP namespaces contain variables?
Php
Variables
Namespaces
What's the scope of a variable initialized in an if statement?
Python
Variables
If Statement
Scope
Local Variables
Pass variables by reference in JavaScript
Javascript
Variables
Pass by-Reference
Viewing all defined variables
Python
Variables
store output of system command into a variable in r
R
Variables
System
Access PHP var from external javascript file
Php
Javascript
Variables
External
Is var necessary when declaring Javascript variables?
Javascript
Variables
Environment variables in Eclipse
Java
Eclipse
Variables
Environment
How to force/ensure class attributes are a specific type?
Python
Class
Variables
What is the PHP syntax to check "is not null" or an empty string?
Php
Variables
Null
Conditional Statements
JavaScript loop variable scope
Javascript
Variables
For Loop
Scope
How to display the value of a variable at the commandline in MySQL?
Mysql
Variables
Command Line
How to pass parameters or arguments into a Gradle task?
Variables
Gradle
Groovy
Parameters
build.gradle
Non-static variable cannot be referenced from a static context
Java
Variables
Compiler Errors
Non Static
Check if object exists in JavaScript
Javascript
Debugging
Variables
Null
Undefined
javascript variable scope in the IF statement
Javascript
Variables
If Statement
Scope
javascript: define a variable if it doesn't exist
Javascript
Variables
jQuery UI dialog button text as a variable
Jquery
Jquery Ui
Variables
Jquery Ui-Dialog
Splitting a continuous variable into equal sized groups
R
Variables
Split
Continuous
Keep persistent variables in memory between runs of Python script
Python
Variables
Memory
@ variables in Ruby on Rails
Ruby on-Rails
Ruby
Variables
Getting the name of a variable as a string
Python
Variables
How are variable names stored in memory in C?
C
Variables
Memory
Symbol Table
List all PHP variables
Php
Variables
Global Variables
Can't access global variable inside function
Php
Variables
Scope
Global Variables
Is it possible to declare a public variable in vba and assign a default value?
Vba
Variables
Default Value
Public
Variable Declaration
Difference between declaring variables before or in loop?
Java
Performance
Loops
Variables
Initialization
When to use static constant and variable in Swift?
Ios
Swift
Variables
Static
Constants
How to print a Groovy variable in Jenkins?
Variables
Jenkins
Groovy
Jenkins Pipeline
How to print original variable's name in Python after it was returned from a function?
Python
Variables
How do I put a variable’s value inside a string?
Python
String
Variables
Abstract variables in Java?
Java
Class
Variables
Abstract
Can you use static constants inside classes in PHP?
Php
Class
Variables
Syntax
Constants
How can I test that a variable is more than eight characters in PowerShell?
Variables
Testing
Powershell
POSIX-Compliant Way to Scope Variables to a Function in a Shell Script
Function
Shell
Variables
Scope
Posix
Create table variable in MySQL
Mysql
Variables
Database Table
Bash script store command output into variable
Bash
Variables
Store
Proper way to declare multiple vars in PHP
Php
Variables
Where are constant variables stored in C?
C
Variables
Memory Management
Constants
Global
Bash variable assignment and command not found
Bash
Shell
Variables
Cygwin
How to read output of sed into a variable
Shell
Variables
Sed
What's the use/meaning of the @ character in variable names in C#?
C#
Variables
Naming
Specifications
Reserved Words
if (cin >> x) - Why can you use that condition?
C++
Variables
If Statement
Cin
What is the difference between class and instance variables?
Python
Class
Variables
Self
C++ create string of text and variables
C++
String
Variables
Std
How to use a variable inside a regular expression?
Python
Regex
Python 3.x
Variables
Escaping
Create new variables from array keys in PHP
Php
Arrays
Variables
What is the meaning of a question mark in bash variable parameter expansion as in ${var?}?
Bash
Variables
Syntax
Defining JavaScript variables inside if-statements
Javascript
Variables
If Statement
Why does the complement behave differently through printf?
C
Variables
Types
Bitwise Operators
Unsigned Char