1. Understanding SQL GROUP BY

  2. Understanding SQL JOIN

  3. Understanding SQL SELECT and WHERE

  4. Why You Shouldn't Build a Mobile App

  5. Learn about some big changes at thoughtbot

  6. Type-Driven Design, Test-Driven Design

  7. We're hiring remote developers!

  8. Useful utilities

  9. Scoping .or clauses with common joins

  10. An introduction to macOS Head Pointer

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