Back to forgotten roots

Slides from my "Back to the roots" talk, performed at Boilings Frogs 2017, the software craftsmanship conference.

Transcript

1. BACK TO FORGOTTEN RootS Mariusz Gil [ source ministry ] @mariuszgil
3. START The
4. HoW
5. Microservices
6. Serverless
7. Nosql
8. lambda function
9. solid principles
10. design patterns
11. object oriented programming
12. Grasp principles
13. SSDD/HDD
16. Build & use toolbox. Wisely
17. Too trivial to implement Too Complex to maintain
18. OVER ENGINEERED since day 1
19. WhaT
21. oo violations
22. DIG DIG DIG
24. interface ItemProvider { ... } interface ItemFilter { ... } class MostPopular implements ItemProvider { ... } class RecentlyPopular implements ItemProvider { ... } class Random implements ItemProvider { ... } class Promoted implements ItemProvider { ... } class CollaborativeFiltering implements ItemProvider { ... } class Clicked implements ItemFilter { ... } class Capping implements ItemFilter { ... } class Outdated implements ItemFilter { ... } class SimilarNameDuplication implements ItemFilter { ... } class RecommenderService { ... public function generate($limit = 5) { $items = $provider->get($limit * 2); foreach ($this->filters as $filter) { $items = $filter->filter($items); } if ($items->length() < $limit) { $items = $items->add($refill->get($limit)); } return $items->unique()->limit($limit); } }
26. step back, to see more
27. GRASP General responsibility assignment softw are patterns
28. 19 95
29. 20 04
30. Days vs months
31. TDD/RDD
33. Define & solve problem Using right tools
34. WhY
35. V ALUE The
37. Solve right problem
38. WhY noT
39. Solve problem worth to solve
40. we use ... to build ... foR ... to help with ...
41. LearN
42. BACK TO FORGOTTEN Mariusz Gil RootS [ source ministry ] @mariuszgil