what is the specific usecase for !! in C++
47979
Double Negation in C++
134130
Understanding 'using' keyword : C++
41849
Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)
140931
What is the difference between if(!!condition) and if(condition)
113564
How do I write a short literal in C++?
126174
What is the difference between != and  operators?
79050
Python ( or general programming ). Why use  instead of != and are there risks?
14488
When should you use 'friend' in C++?
71336
"std::endl" vs "\n"
51160
What does !! mean in ruby?
8979
Why use apparently meaningless do-while and if-else statements in macros?
152780
what is the difference between null != object and object!=null
146731
What's the behaviour of "" + number and why c++ compile it?
28734
Why is "a" != "a" in C?
70140
Is there a VB.net equivalent for C#'s ! operator?
38906
What is the "-->" operator in C/C++?
23756
Why does one often see "null != variable" instead of "variable != null" in C#?