What do * and ** before a variable name mean in a function signature?
3494
What does ** (double star/asterisk) and * (star/asterisk) do for parameters?
24524
What does \x mean in C/C++?
28983
Why does a function with no parameters (compared to the actual function definition) compile?
89595
What is the difference of \mathop, \operatorname and \DeclareMathOperator?
97775
Why does python use two underscores for certain things?
38906
What is the "-->" operator in C/C++?
28214
What do parentheses surrounding an object/function/class declaration mean?
98591
What does an ampersand after this assignment operator mean?
89546
Where is the `--` (double dash) argument documented?
21841
Placement of the asterisk in pointer declarations
25477
What is "function*" in JavaScript?
110165
What is "x && foo()"?
94797
Is the single underscore "_" a built-in variable in Python?
6306
What are the rules about using an underscore in a C++ identifier?
132614
Python, what does an underscore before parenthesis do
25511
I get weird > symbols in my output — what does it mean?
151340
What does T&& (double ampersand) mean in C++11?