What are the rules on #include "xxx.h" Vs #include ?
3912
What is the difference between #include  and #include "filename"?
107300
How does \usepackage work?
44586
Difference between using #include and #include in C++
127109
What does #x inside a C macro mean?
130861
How to suppress GCC warnings from library headers?
151750
Header file included only once in entire program?
122699
`test` and `[` - different binaries, any difference?
156004
Not including stdlib.h does not produce any compiler error!
131059
Difference between Pragma and Cache-Control headers?
12542
Why aren't my compile guards preventing multiple definition inclusions?
96838
Is the behaviour of .* to include . and .. defined in LSB or POSIX or some other specification?
97139
#include  vs #include  in a C++ program
33453
Why do I get "unresolved external symbol" errors when using templates?
175
Where and why do I have to put the "template" and "typename" keywords?
92724
Difference between "include" and "require" in php
115415
What's the difference between the macros "#define STR(x) #x" and "#define STR(x) VAL(x)" with "#define VAL(x) #x"?
65807
How do you use #define?