ActiveSupport getting started / tips / sharings for newcomer

I was googling for some kind of tutorial or getting started for
ActiveSupport.

Other than going through the extensive rubydoc is there any post/blog
that lists some of the salient or most useful/ most popular features for
a new comer.

What are your favorite or most used classes/features ?

I am essentially developing stand-alone apps on the command line - not
web.

One tip I found was date time related:

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Posted via http://www.ruby-forum.com/.

A new guide covering the core extensions is about to be out with Rails
3, the edge version is online

    Active Support Core Extensions — Ruby on Rails Guides

It is a reference rather than a tutorial, but you have there
everything in one place. Also I've tried hard to provide non-toy
examples (some extracted from Rails, its main client), and explore
edge cases and stuff that is not normally covered in existing
material.

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On Mon, Jun 7, 2010 at 9:04 AM, R.. Kumar <sentinel1879@gmail.com> wrote:

I was googling for some kind of tutorial or getting started for
ActiveSupport.

Other than going through the extensive rubydoc is there any post/blog
that lists some of the salient or most useful/ most popular features for
a new comer.

What are your favorite or most used classes/features ?

I am essentially developing stand-alone apps on the command line - not
web.