On Jun 23, 2006, at 3:10 PM, Roger Johansson wrote: > Can someone please explain exactly what "class << self" does , I just > dont get it. It looks like I'm really late in responding, but David is being too modest - his book, "Ruby for Rails" is absolutely excellent in discussing this (and other!) advanced Ruby topics. It's most definitely worth the purchase price, imo. -- Jason Perkins jperkins / sneer.org "The computer allows you to make mistakes faster than any other invention, with the possible exception of handguns and tequila." -Mitch Ratcliffe