What does the $ sign do?
69292
What is $ sign in Mathematica?
26972
What are '$$' used for in PL/pgSQL
42134
Whats the difference between "${foo.bar}" and "#{foo.bar}"?
78484
Any risk using a single dollar sign `$` as a java class name?
107373
Regular expression using '$' sign and '^'
66056
Excel Formula Meaning of $
90258
Javascript string replace weirdness -- $$$$ gets collapsed to $$ -- what's the reason behind this result?
34625
What is the difference between $* and $@?
54814
What is this symbol $\int$ called?
40127
What does "curly (curved) less than" sign $\succcurlyeq$ mean?
76281
What does $(command) & do?
55375
What is the $ symbol used for in JavaScript
71747
What's the difference between $(stuff) and `stuff`?
58687
What is the difference between $(command) and `command` in shell programming?
43532
Why does JQuery have dollar signs everywhere?
4615
What does $$ (dollar dollar or double dollar) mean in PHP?
56945
What does the math notation $\sum$ mean?