$ by itself as a variable
21506
Why would a JavaScript variable start with a dollar sign?
92702
Absolute variable as dependent variable
144755
how do I get my code to use the value of the $HOME variable?
42134
Whats the difference between "${foo.bar}" and "#{foo.bar}"?
105247
what does $ mean here in JQuery
13826
In Bash scripting, what's the meaning of " $! "?
54584
What's the difference between '$(this)' and 'this'?
28905
bash dynamic (variable) variable names
41710
How can I refer to a variable using a string containing its name?
80361
Any program or trick to find the definition of a variable?
72413
$ versus jQuery
99330
Why do you need $ when accessing array and hash elements in Perl?
75274
Special variables in bash
103053
give a variable to an operator
19369
How can I use $variable in a shell brace expansion of a sequence?
57007
What is the meaning of $? in a shell script?
44112
"Variable" variables in Javascript?