1. Renderable Null Objects

  2. The Perils of Uniqueness Validations

  3. Chat Example App Using Server-Sent Events

  4. accepts_nested_attributes_for with Has-Many-Through Relations

  5. Fast JSON APIs in Rails with Key-Based Caches and ActiveModel::Serializers

  6. Extending Rails.vim with Custom Commands

  7. New screencast: Improving Performance for Real-time Requests

  8. Strong Parameters As Documentation

  9. How to Splunk with Heroku

  10. Ruby Science: Inheritance, Composition, STI, and Polymorphic Associations

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