What does the @ symbol do in Mathematica?
782
What are the most common pitfalls awaiting new users?
118326
CSS: What this Asterisk (*) does?
42134
Whats the difference between "${foo.bar}" and "#{foo.bar}"?
23405
What does the "@" symbol do in SQL?
2574
What does the @ mean in ls -l?
13146
What is the use of the @ symbol in PHP?
62096
What does this symbol mean in JavaScript?
111925
What's the difference between !, %, and @ in replacement tokens?
15994
Reference — What does this symbol mean in PHP?
30206
Where and how is the _ (underscore) variable specified?
25478
What does ${1+"$@"} mean in a shell script, and how does it differ from "$@"?
123351
TikZ: What EXACTLY does the the |- notation for arrows do?
48170
What is the purpose of a question mark after a type (for example: int? myVariable)?
48894
What does "\" mean in math
13111
What does this $\asymp$ symbol mean? (subject: analytic number theory)
119974
What does << mean in Java?
6276
Difference between \xx{} and \mathxx{}?