Zhao Yi wrote:

> Good. I saw that it is released on 06-30-2009.
> BTW, do you know where I can download rails document?

This looks promising... http://railsapi.com/

And I know documentation comes with the rails install. On my Ubuntu, I 
can go to /usr/lib/ruby/gems/1.8/doc/ and find documentation for:

ActiveRecord
ActionPack
ActionMailer

and other gems you have installed.

Go into one of those folders and find the "index.html" file and open it. 
You should find the classes you are looking for in the rdoc folder.

In Windows you can go find the ruby folder and should find the same 
thing.

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