Tools to help you better understand the code

While joining other peoples Ruby on Rails project, you need some tools better understand the code.
Remember those 4 topics:
1. Class Diagram
2. Gems
3. Test before the change
4. Take care of your team style

1. Tools to help you better understand other/your code David Paluy, @dpaluy @RailsIsrael2013 Blog: dpaluy.github.io
2. Agenda • Working with other people's code • Class Diagram • Outdated Gems • Test before Refactoring • Style your code
3. I am a Starter
4. It doesn't pay my bills, Yet!
5. Working with Other People's Code
6. The only valid measurement of code quality: WTFs/minute source
7. You need tools, to find the needle!
8. Class Diagram • Rails ERD • RailRoady
9. Gems
10. bundle outdated
11. Tracking Gems • gem-changelog • changelog_diff (by David Miani) • gemnasium.com
12. Test before ...!
13. Each Developer has his own style?
14. Check your Style • roodi • rails_best_practices • sandi_meter
15. Summary
16. Any fool can write code that a computer can understand. Good programmers write code that humans can understand. Martin Fowler