The pragmatic programmer

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The pragmatic programmer

  1. 1. What makes a Pragmatic programmer? ™  Easy adopter / fast adapter ™  Inquisitive – You tend to ask questions ™  Critical thinker – You rarely takes the things as given ™  Realistic – This gives you a good feel for how difficult things are ™  Jack of all trades – You try to be familiar with a broad range of techs and environments
  2. 2. It’s a continuous process Needs small amount of daily care
  3. 3. A Pragmatic Philosophy
  4. 4. Take responsability
  5. 5. Don’t live with broken windows
  6. 6. Remember the big picture
  7. 7. Communicate! ™  Know what you want to say ™  Know your audience ™  Choose your moment ™  Choose a style ™  Make it look good ™  Involve your audience ™  Be a listener
  8. 8. A pragmatic approach (I) “Every piece of knowledge must have a single, unambiguous, authoritative representation within a system”
  9. 9. A pragmatic approach (II) ™  Make it easy to reuse ™  Reversibility: There are no final decisions! ™  Domain languages: “Program close to the problem domain” ™  Estimate to avoid surprises
  10. 10. Law of Demeter
  11. 11. When you should refactor ™  Duplication ™  Non-Orthogonal design ™  Outdated knowledge – Things change, code needs to keep up ™  Performance ™  PS: Avoid temporal coupling, always design for concurrency
  12. 12. Test! ™  Unit tests ™  Integration tests ™  Performance tests ™  Usability tests ™  Validation and verification

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