How do I code a hack?

Sorry if i'm breaking Forum Etiquette, but I have experience with C++ and now want to code a hack. I can't find any good info on how to start though, can some one *more experienced* give me some tips/starting help?

--Thanks all

Try looking in the tut section of the forum.

Hallo biste deutsche ich bin Portuguies aber ich kann deutsch weil ich in luxembourg lebe dein nachbarland =)