From: Tim Hunter <TimHunter@...>
Date: 2008-03-25T10:26:18+09:00
Subject: Re: generating unique random numbers

Jimmy Palmer wrote:
> Tim Hunter wrote:
>> ~$ irb
>> irb(main):001:0> (1..13).to_a.sort_by{rand}[0..7]
>> => [7, 3, 8, 2, 11, 4, 1, 9]
>> irb(main):002:0>
> 
> thanks Tim.  i like it.

You're welcome. Turns out you don't need the to_a. One less method.

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