W jax wenn-code altert
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This document provides tips for keeping maintenance projects fresh. It discusses how code quality degrades over time and presents strategies like refactoring, writing automated tests, improving tooling/workflows, and following principles like separation of concerns, single responsibility, and YAGNI to evolve legacy code in a sustainable way. Maintaining clean code and prioritizing readability helps projects stay productive over the long run.
W jax wenn-code altert
- 1. Sven Peters / Atlassian Wenn Code altert Tipps, wie Wartungsprojekte frisch bleiben
- 3. Disclaimer my Experience @svenpet svenpet.com
- 4. “ Nothing has a more profound or long- lasting negative effect on the productivity of a software team than a mess. Nothing. Robert C. Martin “
- 5. ? Maintenance projekt
- 6. ? 5 years
- 7. lin ? 1M+ es of co de
- 8. lin ? es 2M+ of co de
- 9. ? lost overview de co of es lin
- 10. Har Bath Tub Curve dw a re
- 11. Sof Bath Tub Curve twa re
- 12. Sof Bath Tub Curve twa re
- 13. Field green
- 14. How long does it take? 8 hours no Tests! grüne We need it in 6! Wiese OK, I‘ll do it in 4!
- 17. more cooks!
- 18. too many cooks... ...spoil the broth
- 19. REWRITE
- 21. REWRITE
- 22. e n ro k B Windows
- 26. THE DEVELOPER THE MANAGER THE SCRUM MASTER There is no Plan B
- 27. Boy Scout Rule Leave the campground cleaner than you found it.
- 28. Toolchain The
- 31. Naming “ Any fool can write code that ahumans cancan understand. Good computer programmers write code that understand. “ Martin Fowler
- 32. no comment
- 33. test automated
- 34. Legacy Code Change Algorithm by Michael C. Feathers 1. Identify Change Points 2. Make Changes and Refactor
- 35. Legacy Code Change Algorithm by Michael C. Feathers 1. Identify Change Points 2. Find Test Points 3. Break Dependencies 4. Write Tests 5. Make Changes and Refactor
- 36. Clean Code
- 37. ingle Responsible Principle pen Closed Principle iskow Substitution Principle nterface Segregation Principle ependency Inversion Principle
- 39. Root Ca usposition over Inheritaince Favour Com e Analysis rself on ract you NeedtIt Yout Aep‘t Gt nna bsrns in eao Do n‘ r onA e C of c DRYKISSperation of el Se - Kee ev p etLs i im ingl ple, s S tupid
- 40. Clean Code Developer von Stefan Lieser & Ralf Westphal clean-code-developer.de
- 41. Evolve Clean Code & Developer
- 45. Sven Peters Atlassian @svenpet