Teach you how to know the functions and usages of various classes in C + + class libraries

Cppreference.com

Includes support analysis of mainstream compiler pairs C++11 and C++14 new features, various language features, various header files, concepts, containers, class libraries, STL atomic operations, line libraries, and regularization.

Heavy recommendation-cppreference.com

Cplusplus.com

This main emphasis on the sample code, the above-emphasis on the library of the description, here focus on practical.

Cplusplue.com

For unfamiliar libraries or functions, there are two sites that should suffice.

Standard library header file (Chinese)

C + + Standard library header file

Algorithm Library

Reference Manuals

Teach you how to know the functions and usages of various classes in C + + class libraries