C++ Standad Template Library (STL)

C++ Generics (Templates)

C++ STL Containers

C++ Concepts in Generic Programming

OOP in C++: Classes

The C++ Programming Language

Mathematical constants (<numbers>)

C++ Core Guidelines, a collaborative effort led by Bjarne Stroustrup, much like the C++ language itself.

The C++ Boost Library: Beyond the STL

Iterators: Pointers for STL Containers