From: Ehsanul Hoque <ehsanul_g3@...>
Date: 2010-04-18T20:42:24+09:00
Subject: Re: Elegant Solution to a Seemingly Simple Problem?

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> This way=2C "non-courses" appear as empty arrays. I still don't know how=
=20
> to neatly get rid of the empty arrays... I tried .compact! but that=20
> doesn't seem to work.

Try #flatten! instead. #compact! just gets rid of nil entries=2C and an emp=
ty array is not the same as nil.

- Ehsan
 		 	   		 =20
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