Weird behaviour when using two (2) $ signs?
137717
Dollar Sign corrupts question
157005
What does the ampersand indicate in this bash command 1>&2
19212
When do extra parentheses have an effect, other than on operator precedence?
14779
How do ${0##*/} and ${0%/*} work?
27742
What does "${-#*i}" != "$-" mean?
107373
Regular expression using '$' sign and '^'
73897
\begin{equation}: "Display math should end with $$" error?
141313
Inline elements denoted by {{}}? Cartesian product of these inline elements?
150496
What alternative notation of subscripts/superscripts that are also treated as SYMBOLS in Mathematica?
14074
First usage of the symbol ∈
73300
How do `>` and `>>` work?
22251
Coefficients change signs
111595
What does this sign exactly mean? |=
38430
In PHP, what does the ${$ } syntax do?
33601
Emphasis of this double negative?
67917
what does $('') do?
104795
Weird objective-c syntax - square brackets and @ sign