1. Testing from the Outside-In

  2. How to Share a Session Between Sinatra and Rails

  3. Workflows for Writing Migrations With Rollbacks in Mind

  4. Writing a Domain-Specific Language in Ruby

  5. SSL for Rails with Heroku and DNSimple

  6. Refactoring with an Apprentice

  7. Writing a Server Sent Events server in Go

  8. Tips for Clojure Beginners

  9. Document Explicit Dependencies Through Tests

  10. Thinking in Types