eigenclass – Inspecting a live Ruby process, easier if you cheat.
ActiveRecord Migrations Without Rails » rails symphonies

Migration de base de données sans rails avec active records et rake. A must a see.

VI and VIM editor: Tutorial and advanced features

Un tutorial vim complet , des commandes simples aux commandes avancées.

Top 10 things Vi user need to know about Vim
C++ Programming HOW-TO: The Standard C++ Library string class

Comment, entre autres, spliter une chaine en c++

InformIT: C++ Reference Guide > Overriding new and delete