From: "Vapor .." <vaqas.ashraf@...>
Date: 2008-12-16T17:48:21+09:00
Subject: Unique values in hash?

Hi,

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.

Thanks.
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