1. Clearer Conditionals using De Morgan's Laws

  2. Ruby Science: Extracting and Using Classes

  3. Ruby Science: How to Eliminate Feature Envy and Comments

  4. Refactor in a branch

  5. Better serialization, less as_json

  6. Code that says why it does

  7. Let's Not

  8. Don’t Repeat Your Ruby Constants in Javascript

  9. Refactoring: Replace Conditional with Polymorphism

  10. Expressing the problem

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