1. What's New in Edge Rails: Active Record enums

  2. Streaming downloads proxy service with Node.js

  3. Form Filling is Formulaic

  4. Using Arel to Compose SQL Queries

  5. How to Evaluate Your Rails JSON API for Performance Improvements

  6. Back to Basics: HTTP Requests in Rails Apps

  7. Automatically Wait for AJAX with Capybara

  8. ActiveRecord's where.not

  9. How We Test Rails Applications

  10. Handling Associations on Null Objects