1. ActiveRecord's where.not and nil

  2. Updating Our Technical Interview

  3. Tell Me When It Closes — Improved!

  4. Using `yield_self` for composable ActiveRecord relations

  5. Setting up CircleCI 2.0 for Rails

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

  7. factory_bot

  8. New Upcase Trail: Intermediate Rails 5

  9. Elm and Rails Sitting in a Tree

  10. Access Ruby Hash Values with Fallbacks for Missing Data