From: Stefan Rusterholz <apeiros@...>
Date: 2007-07-19T19:21:10+09:00
Subject: Re: array sort_by with nil elements

Josselin wrote:
> I am using the sort_by command
> 
> @buddies = @user.buddies.compact.sort_by {|item| item.send @criteria}
> 
> 
> problem arise when one criteria like the user.name is nil  the sort
> crash....  anyway to avoid it
> 
> thanks a lot for your lights
> 
> joss

Simply add a default value (best one that gets sorted in the beginning 
or the end)
@buddies = @user.buddies.compact.sort_by {|item| item.send(@criteria) || 
default }


Regards
Stefan

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