1. Start with the problem

  2. Organize your functional code

  3. Using `yield_self` for composable ActiveRecord relations

  4. The Barbican Estate: Walking Through Lessons Learnt

  5. Querying an Embedded Map in PostgreSQL with Ecto

  6. Bridging the gap between our two cities

  7. Eight Essential Steps to Reducing Product Risk

  8. Why Ecto's Way of Storing Embedded Lists of Maps Makes Querying Hard

  9. The Thought Behind the Bot

  10. Problem Solving with Maybe