What does :: (double colon) mean in Ruby?
22334
What is Ruby's double-colon `::`?
135810
Why doesn't Ruby support i++ or i--​ (increment/decrement operators)?
10475
Operator precedence for  And/&& in Ruby
34481
Emacs - regular expressions in Lisp need to be double-escaped - why?
9161
What does the question mark and the colon (?: ternary operator) mean in objective-c?
141386
What are <-- Ruby Strings called? And how do I insert variables in them?
55447
What do Ruby's printf arguments mean?
32711
What does map(&:name) mean in Ruby?
156771
Why does Ruby 1.9.2 remove "." from LOAD_PATH, and what's the alternative?
3494
What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
27902
What is the purpose of the single underscore "_" variable in Python?
133569
What does the double slash mean in `${f// /_}`?
8009
What does ':' (colon) do in JavaScript?
113354
Ruby |= assignment operator
65069
What is the double bracket notation used here?
106795
What is the use of the := syntax?
94797
Is the single underscore "_" a built-in variable in Python?