The difference between #include .h and just stating class A; in C++
1473
When can I use a forward declaration?
131248
C/C++ Struct vs Class
138038
In C++/CLI, what does the hat character ^ do?
99094
Writing function definition in header files in C++
21335
When should I use \input vs. \include?
151750
Header file included only once in entire program?
52915
Is php's 'include' a function or a statement?
7571
What are the differences between struct and class in C++?
28214
What do parentheses surrounding an object/function/class declaration mean?
105109
Same class name in different C++ files
156004
Not including stdlib.h does not produce any compiler error!
120367
Why is there a class keyword in C++?
35583
How do you properly use namespaces in C++?
110724
Why is #include  not required to use printf()?
27676
What is the proper declaration of main in C++?
37967
Difference between 'struct' and 'typedef struct' in C++?
141698
What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?