Nick Kallen
Software Consultant, Pivotal Labs


Nick Kallen has been developing Ruby on Rails applications for two years at Pivotal Labs in San Francisco. He is a prolific blogger on Rails idioms and Ruby metaprogramming tricks, and is the author of the popular HasFinder gem.


Location: E145 - E146 Level: Expert
Nick Kallen (Pivotal Labs)
Average rating: ****.
(4.91, 11 ratings)
Ever wondered how has_many, belongs_to, etc. really work? The secret sauce is the Proxy pattern, whereby one object acts on behalf of another, intercepting and transforming messages. In this tutorial, you will learn advanced features of ActiveRecord associations, how to monkey-patch these associations to do your bidding, and how and when to implement the Proxy pattern in your own metaprograms. Read more.
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