1. ActiveRecord's where.not

  2. How We Test Rails Applications

  3. Handling Associations on Null Objects

  4. Rendering Collections in Rails

  5. Using Polymorphism to Make a Better Activity Feed in Rails

  6. A Tour of Rails’ jQuery UJS

  7. Catching Invalid JSON Parse Errors with Rack Middleware

  8. Better Tests Through Internationalization

  9. Backbone.js, JSON API, and Relational Data: A Primer

  10. Implementing Multi-Table Full Text Search with Postgres in Rails

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