Wicked Bad Ruby

Bad code doesn't exist, but code quality is a real and hard issue to address.
Presentation given at Wicked Good Ruby Boston 2012

1. Matt Aimonetti Boston 2013 W I C K E D BAD RUBY
2. @mattetti http://matt.aimonetti.net Matt Aimonetti
3. @mattetti http://matt.aimonetti.net Matt Aimonetti Steve Martocci
4. @mattetti http://matt.aimonetti.net Matt Aimonetti Steve Martocci
5. of Ruby programming “17,520 hours”
8. Avdi Grimm “the messiest, nastiest big-ball-of-mud code I have seen in my entire career has been in Rails projects.”
9. Matt Van Horn “I once saw a Rails controller over 3KLOC long with 500 line create and update methods that were 85% cut & pasted from each other.”
10. there isn’t such thing as bad code
11. println "Hello World"
12. name “Code is neither good or evil, but only a place for good and evil” Caesar Marcus “coder” Aurelius
13. good / bien (fr) / bueno (es) “having desirable quality”
14. bad / mauvais (fr) / malo (es) “undesirable”
15. Not scientific terms • Religion • Ethics • Philosophy
16. Spice Girls “So tell me what you want, what you really, really want”
17. 1. define expected outcome
18. 2. evaluate solutions
19. 3. implement
20. 4. re-evaluate
21. Me “you aren’t paid to write ‘good’ code, you’re paid to deliver great products”
22. don’t write code
23. materialize ideas
24. understand what you are building business objectives timeline proposition value players risk factors ...
25. emo code
26. delivered the expected outcome
27. but then...
28. hard to understand
29. hard to maintain
30. hard to scale
31. slow
32. Every other Hacker News comment “You’re doing it wrong”
34. Sandi Metz “Classes can be no longer than one hundred lines of code”
35. Sandi Metz “Methods can be no longer than five lines of code”
36. Some StackOverflow Rubyist “You can’t write good code unless you use TDD”
38. • fast iterations • level of confidence • robustness • syntax beauty • abstraction level • simplicity • known patterns • performance • limited dependencies • test first • learning curve
39. Amy Hoy “If you try to dictate to other people what their values should be, you’re an asshole”
40. communicate!
41. focus on the outcome while learning & improving
42. @mattetti
43. @mattetti @sandimetz @kytrinyx