From: ts <decoux@...>
Date: 2005-12-07T01:05:56+09:00
Subject: Re: Shuffling an array, sort_by{rand}'s bias (was Re: need some Ruby

>>>>> "U" == Uwe Schmitt <schmitt@num.uni-sb.de> writes:

U> If you use random as sorting key, the result of a<=>b
U> will differ each time you evaluate a<=>b. 
U> In my case I attach a random number to each item,
U> then I sort my list according to this number and remove
U> this 'decoration' afterwards.

 run

  ri Enum#sort_by

 and see what it do.


Guy Decoux