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GitHub User: drhenner
Jeffrey, It's well worth the Money. Could you think of a better investment? Either your career or business will love you for a railscasts subscription.
check out this http://37signals.com/svn/posts/3113-how-key-based-cache-expiration-works Sofia Cardita of 37 signals does a great job explaining caching
I like that you import info from github. FYI: The link to the website prepends http://railscast.com/users/www.rorecommerce.com