1. Tell Me When It Closes — Improved!

  2. Using `yield_self` for composable ActiveRecord relations

  3. Setting up CircleCI 2.0 for Rails

  4. Host your blog under /blog on your www domain with Fastly

  5. factory_bot

  6. New Upcase Trail: Intermediate Rails 5

  7. Elm and Rails Sitting in a Tree

  8. Access Ruby Hash Values with Fallbacks for Missing Data

  9. Debugging Why Your Specs Have Slowed Down

  10. Finding the Oldest/Youngest Records Within a Group

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