From: Rick DeNatale <rick.denatale@...>
Date: 2007-03-20T03:16:25+09:00
Subject: Re: Sorting Dates and Times in an array

On 3/19/07, Rob Biedenharn <Rob@agileconsultingllc.com> wrote:

> The use of .sort_by causes the keys to be processed once and is
> better for large Arrays than .sort (and if you need .sort!, just do
> @date_array = @date_array.sort_by {...} instead).

Not exactly the same if you have more than one reference to the Array.
A more general equivalent to sort! would be:

   @date_array.replace(@date_array.sort_by {...})

Another one of those sometimes subtle differences between variables and objects.
-- 
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denhaven2.com/