Basic C++ Idioms / Techniques

Question

Note: marked as community wiki.

In recent days, I\'ve realized how little I know about C++.

Besides:

• using the STL
• implementing RAII

Answer 1

(hardly a must-know, but still useful) Writing domain-specific languages with operator overloading and template metaprogramming (see Boost.Spirit for a nice example) - but this is the kind of thing that makes shooting yourself in the foot easy, too.