From: Chris Shea <cmshea@...>
Date: 2007-12-09T07:50:12+09:00
Subject: Re: sorting by timestamp with uneven arrays

On Dec 8, 3:03 pm, Mike Dershowitz <michael.dershow...@jpmchase.com>
wrote:
> Ok, this one is a little complicated and I'm sure there's a better way
> to do it.  Here's what I'm doing:
>
> For presentation purposes, I have an array of arrays.  Here's the
> structure of the array:
>
> [
> "indicator (string that I set" ,
> <model object from db, different models> ,
> timestamp
> ]
>
> I'm creating and inserting the timestamp myself, as each model object
> has a form of timestamp, whether or not it's called that.
>
> I'm doing it this way becuase I use a model method to get all of this
> data, and the thing I want to do last is to sort by "timestamp".
>
> array.sort_by won't work becuase it's not a hash (although i tried
> adding a hash and then sorting by that hash, but that didn't work either
> (got a nomethod error).
>
> How can I make it so that I can sort this array?
>
> Thanks so much in advance!
>
> Mike
> --
> Posted viahttp://www.ruby-forum.com/.

You have an array of arrays, each of which has as its last element a
timestamp? You should just be able to do this: array.sort_by{|e|
e.last}

Or did I read this wrong?

Chris