On Wed, 2006-12-13 at 18:35 +0900, Zouplaz wrote:
> I could try to solve some Ruby quizzes but I'm afraid they are too 
> difficult for me.

I'd suggest getting James' Ruby Quiz book:

http://www.pragmaticprogrammer.com/titles/fr_quiz/

It goes into detail about the solutions and is full pretty good quality
Ruby code.  A fine piece of work.

Yours,

Tom