1. factory_bot

  2. Modeling with Union Types

  3. Redux for Chrome Extensions

  4. Access Ruby Hash Values with Fallbacks for Missing Data

  5. Debugging Why Your Specs Have Slowed Down

  6. Booleans and Enums

  7. Better Date Manipulation in PostgreSQL Queries

  8. Finding the Oldest/Youngest Records Within a Group

  9. Styling a Middleman Blog with the Bourbon Suite: Revisited

  10. Lean & Maintainable Reports with Heroku Dataclips