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The best debugging tool - your brain

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Presentation given at #sitWRO about debugging.

Veröffentlicht in: Software
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The best debugging tool - your brain

  1. 1. THE BEST DEBUGGING TOOL – YOUR BRAIN 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 1
  2. 2. Debugging? 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 2
  3. 3. Debugging is easy! 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 3
  4. 4. 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 4
  5. 5. Is debugging really that easy? 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 5
  6. 6. 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 6
  7. 7. 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 7
  8. 8. http://geekandpoke.typepad.com/geekandpoke/2012/06/abstraction.html 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 8
  9. 9. Debugging is not easy!* *At least for all non-trivial bugs. 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 9
  10. 10. How to debug effectively? 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 10
  11. 11. Step 1: Know your tools. 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 11
  12. 12. There is more than the debugger. 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 12
  13. 13. Step 2: Thinking about the Problem… 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 13
  14. 14. Which business process causes the error? 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 14
  15. 15. What does the error message tell me? 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 15
  16. 16. Which system causes the error? 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 16
  17. 17. Which software layer? 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 17
  18. 18. Step 3: …and the code. 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 18
  19. 19. Step 4: Debugging as an experiment 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 19
  20. 20. 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 20 Design experiment Debug & test assumptions Refine assumptions
  21. 21. <F5> vs. <F6> 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 21
  22. 22. Step 0: The right mind set. 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 22
  23. 23. 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 23
  24. 24. Debugging is not easy!* *But there are approaches and practices to help. 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 24
  25. 25. What do you think / do? 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 25
  26. 26. http://scn.sap.com/community/abap/blog/2015/09/09/the-best-debugging-tool--your-brain 12.09.2015 The best debugging tool - your brain | Christian Drumm | #sitWro 26

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