1. Testing and Environment Variables

  2. Have Some (Referential) Integrity with Foreign Keys

  3. How to Fix Circular Dependency Errors in Rails Integration Tests

  4. Introduction to Conditional HTTP Caching with Rails

  5. Updated Test-Driven Rails Videos

  6. A more efficient and organized workflow for SVGs

  7. Refactoring From Model to View Helper to Null Object

  8. ActiveRecord Eager Loading with Query Objects and Decorators

  9. How to Find Missing or Unused I18n Translations

  10. Write Reliable, Asynchronous Integration Tests With Capybara