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The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
The Limited Red Society
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The Limited Red Society

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Talk about limiting red and metrics given at Ruby Lugdunum

Talk about limiting red and metrics given at Ruby Lugdunum

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Transcript

  • 1. Acceptance Criteria
  • 2. Joseph Wilk
  • 3. Limited Red Oh crap Joseph Wilk
  • 4. Work In Progress
  • 5. Work In Progress
  • 6. Context Switching is Expensive
  • 7. Small Batch sizes
  • 8. Red == Work in Progress
  • 9. Why is Red Bad?
  • 10. Limit RedMeasure RedVisualise Red Learn
  • 11. Are weProfessionals?
  • 12. Joseph Wilk PAIRINGRED TIME TESTING REFACTORING
  • 13. Measuring &Visualising Red
  • 14. Limited RedLearn and adapt from test metrics
  • 15. Industrial Logic
  • 16. Industrial Logic
  • 17. Fighting Red
  • 18. Patterns‣Parallel Change‣Narrowed Change‣Sequence Change‣Graceful Retreat‣Piecemeal Change‣Gradual Change‣Evolved Target‣Unified Methods Joshua Kerievsky
  • 19. Parallel Change def resize_image(image, size) ... endMethod def resize_as_thumb_for_image(image) ... end
  • 20. Parallel Change class Image class ThumbImageClass end end
  • 21. Parallel Change Calendar CalendarService service service v1 v2
  • 22. Narrowed Change<%- if @game.player?(@active_user) && @black_player.present? && @white_player.present? %> <%= render :template => messaging %><%- end %><%- if @game.player?(@active_user) && @black_player.present? && @white_player.present? %> <%= render :template => messaging %><%- end %>
  • 23. Narrowed Change<%- game_presenter.show_messaging? do %> <%= render :template => messaging %><%- end %>class GamePresenter def initialize(game, black_payer, white_player) @game, @black_player, @white_player = game,black_player, white_player end def show_messaging?(&block) messaging_should_be_visible = @game.player?(@user) &&@black_player.present? && @white_player.present? yield block if messaging_should_be_visible endend
  • 24. Sequence Change Remove Narrowed Extractcontrol flag change method
  • 25. Sequence ChangeNarrowed Remove Extract change control flag method
  • 26. Graceful RetreatPlease step away from the Yak... Slowly Shave?
  • 27. http://www.refactoring.com/catalog/index.html
  • 28. Learning more from Red ‣ Smart Continuous integration ‣ Failure rate ‣ Performance ‣ Flickering
  • 29. Evil hat
  • 30. More Books!
  • 31. “To measure is to know” Lord Kelvin
  • 32. Merci @josephwilkjoe@josephwilk.net
  • 33. Merci @josephwilkjoe@josephwilk.net Green

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