How to know when to use $variableName or just variableName?
21506
Why would a JavaScript variable start with a dollar sign?
97444
How do I tell what type of value is in a Perl variable?
92199
How do I dynamically create the variable name in a PHP loop?
157501
How do I set variables for variable_get()?
38430
In PHP, what does the ${$ } syntax do?
155065
What is the "break/continue $var syntax" (will be removed in PHP 5.4)?
909
What is this shell/Bash syntax: someVariable=someValue someCommand
60107
AngularJS and its use of Dollar Variables
19369
How can I use $variable in a shell brace expansion of a sequence?
41710
How can I refer to a variable using a string containing its name?
102224
Does variable=$(...) store the command or the result of the command in POSIX sh
33662
How to get a variable name as a string in PHP?
123815
How to find JavaScript variable by its name
5618
$VAR vs ${VAR} and to quote or not to quote
74517
Is using 'var' to declare variables optional?
64961
How to convert variable (object) name into String
118463
Display variable name instead of value