Philly ETE Screencast #9 – Exploring the Internals of Active Record – Aaron Patterson

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From the abstract: “In this talk we’ll be exploring the internals of Active Record, the ORM used in the Ruby on Rails web framework. We’ll look at the architecture of the internals along with caching strategies, connection handling, and speed improvements. This talk will cover new features in Rails 4, as well as strategies for improvements to the internals of Active Record.”