From: Kero van Gelder <kero@...4050.upc-d.chello.nl>
Date: 2001-10-09T06:28:20+09:00
Subject: [ruby-talk:22264] Re: [Newbie] Switching from Perl : suffling

> > How about something like
> > 
> >      class Array
> >        def shuffle
> >          each_index {|i| o = rand(size); self[i], self[o] = self[o], self[i] }
> >        end
> >      end
> 
> That code in fact results in a slightly biased shuffle. The easiest
> way to realize that is probably this:

This biased one seems to pop up everywhere again and again :)
Be aware!

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