This is the presentation I gave at Sela on 29/10/2018. It covers the importance of clean code and refactoring skills to productivity and business value

1. Survey
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2. Competitive Code
Arnon Axelrod
Copyright © SELA Software & Education Labs, Ltd. | 14-18 Baruch Hirsch St., Bnei Brak 51202, Israel | www.selagroup.com

3. About me
Arnon Axelrod
https://blogs.microsoft.co.il/blogs/arnona
ArnonAxelrod

4. The Time Arrow and Code Quality
http://www.thegreateverything.com/how-time-really-works/

5. Moving to Agile

6. The Testing Bottleneck

7. Spaghetti Code

8. Long Debugging Sessions…

9. Are We Still Agile?

10. Let’s Start Over!

11. Is it Really Better?

12. And Here We Go Again…

13. The Solution: Keep The Code Clean!

14. How Important Clean Code Is?

15. Correctness Proving

16. Complexity

17. Complexity
Inherent Complexity Accidental Complexity

18. Complexity
Inherent Complexity Accidental Complexity
Complexity
Adding
features
Complexity
Adding
features

19. Refactoring
Complexity
Adding features

21. Crumbling the Monolith

22. Wrap Old with New
…and gradually improve internals

23. So Why Don’t We Do It?!

24. Some Reasons…
• Business effect is late and concealed
• Developer’s awareness
• Hard to measure
• Industry focus on new technologies…

25. Skills and Practice

26. Important Skills
• Object-Oriented Design
• Clean Code
• Effective use of Exceptions and Logging
• Effective use of: programming language, base-class
libraries, IDE, and even the keyboard…

27. How We Can Improve?
• Awareness
• Code reviews and
pair-programming
• Get assistance…

28. Sela Services
• Planning and implementing gradual
architecture improvement
• Teaching and mentoring:
– Refactoring techniques
– Clean Code
– Effective use of IDE and tools
– Unit tests and TDD
• Helping implement effective code-reviews
• Improving Team and Project productivity