From: Raf Coremans <rrafje@...>
Date: 2007-08-26T22:37:30+09:00
Subject: Re: sort_by { rand } not working

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2007/8/26, Mike Dershowitz <michael.dershowitz@jpmchase.com>:
>
> Hello:
>
> I've got an array of arrays that I'd like to sort_by random.  each
> individual array is just a hash of a value and then an object.  Is there
> some reason why sort_by { rand } wouldn't work? My code is simple (teams
> is populated with a db call):
>
>     @teams.each do |t|
>       @all << ["t",t]
>     end
>     #current not working
>     @all.sort_by { rand }
>
> Any ideas?  Am I stretching the limit of the rand function?
>
> Thanks!
>
> Mike
> --
> Posted via http://www.ruby-forum.com/.
>
>
Hi,


@all.sort_by { rand } returns a randomly sorted array, but leaves @all
intact. Perhaps you wanted @all = @all.sort_by { rand }?


Regards,
R.

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