From: Robert Klemme <shortcutter@...>
Date: 2008-12-16T18:10:59+09:00
Subject: Re: Unique values in hash?

2008/12/16 Vapor .. <vaqas.ashraf@gmail.com>:
> I have a hash that contains duplicate data, for example, :username =>
> "alex" comes many times.
> I want to loop around and print their names just once (only unique). In
> simple loop it would print "alex" repeatedly.

irb(main):001:0> {:foo=>1,:bar=>1}.values.uniq
=> [1]

You can of course have more involved solutions, e.g. (shameless self promotion):

http://redhanded.hobix.com/bits/klemmeSSilentHash.html
;-)

Cheers

robert

-- 
remember.guy do |as, often| as.you_can - without end