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「PlayFramework関西ビギナーズ in OsakanSpace 第1回」 http://atnd.org/events/33666 Play frameworkの概要と今後についてゆるく説明して、 Playとそのコミュニティを雰囲気を知っていただこうという趣旨で発表しました。 参加された方の半数がPHPユーザだったので、冒頭でPHPユーザの方向けの説明を特別に入れたりして工夫しています。
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- 1. > play new
- 2. Do you know Web Application Framework?
- 3. Do you know Play!> framework?
- 4. Do you know Scala? ’’’
- 6. # of atnders php java scala js python perl 0 5 10 15
- 7. PHP vs Play PHP Symfony Symfony naked? Slim CakePHP CakePHP <- thin rich -> Play!>
- 8. Play is • A web application framework • Ease common tasks in web dev
- 9. Play basics •Easy start •Simple development •Scala
- 10. Play basics •Easy start •Simple development •Scala
- 12. Play basics •Easy start •Simple development •Scala
- 13. How you develop •play run •Repeat: •Write code! •F5!
- 14. Play basics •Easy start •Simple development •Scala
- 15. Scala ’’’ • Run on JVM • A lot of Java libraries • Hybrid language • Imperative programming • Object oriented programming • Functional programming
- 16. Whats happy with FP • Concurrency • Scalability
- 17. Imperative vs Functional • Imperative Programming do A -> state++, do B -> state++, ... • Functional programming in1 -> f(x) -> out1 in2 -> g(x) -> out2
- 18. + concurrency
- 19. Easy concurrency • Imperative programming do A -> state <- do B > sudden conflict!!! < • Functional programming in1 -> f(x) -> out1, in2 -> g(x) -> out2 > no conflict!!! <
- 20. Easy scalability • Single Play req -> acion1(x) -> result req -> acion2(x) -> result ... • Multiple Play’s req -> play1 -> result req -> play2 -> result ...
- 21. Play basics •Easy start •Simple development •Scala
- 22. Play basics •Easy start •SimpleHopeful! development •Scala
- 23. break 1/3 ビースト★ハーレム ∼野獣の甘噛み∼ http://pf.gree.jp/56616
- 24. Play specifics • Documented • Translated • Pluggable • Statically Typed
- 25. Documented • 0ver 100 pages • http://playframework.org/
- 26. Play specifics • Documented • Translated • Pluggable • Statically Typed
- 27. Translated • Over 100 pages • http://playdocja.appspot.com/
- 28. Play specifics • Documented • Translated • Pluggable • Statically Typed
- 29. Pluggable • 27 plugins • http://www.playframework.org/ documentation/2.0.4/Modules
- 30. Plugins • LESS • Redis • SASS • MongoDB • CoffeeScript • etc. • TypeScript <- Me modern web dev with a lot of plugins • Velocity <- FuRyu • Memcached <- Me
- 31. Play specifics • Documented • Translated • Pluggable • Statically Typed
- 32. Statically Typed • Can be freed from • null/NULL • Free from • ReferenceError • TypeError • ‘Call to undefined function’
- 33. Statically Typed vs Not ~ ? • What we GET if its NOT statically typed
- 34. You see • careless mistakes • typos on runtime
- 36. ReferenceError
- 37. TypeError
- 38. Call to undefined function
- 39. Play specifics • Documented • Translated • Pluggable • Typed
- 40. Play specifics • Documented • Translated Productive! • Pluggable • Typed
- 41. break 2/3 WEB+DB vol.71
- 42. Play 2.x • We have Play 1.x, 2.0 • Play 2.1 is coming
- 43. Play 1.x • Written in Java • Supports Java and Scala • Since 2009 • Stable
- 44. Play 2.0 • Written in Scala • Supports Scala and Java • Since 2012 • More scalability • Typesafe Stack & Typesafe, Inc.
- 45. Play 2.1 • Features • Improvements • Changes
- 46. Play 2.1 Features • Scala 2.10 • Scala’s Promise API • Better JSON API • Project templates & Scaffolding
- 47. Play 2.1 Improvements • Run tests in Forked JVM • Out of memory: PermGen Space • Faster compile • thanks to Scala 2.10 & SBT 0.12
- 48. Play 2.1 Changes • Anorm to Slick(ScalaQuery)
- 50. Recommendation • Do you want to: • write web apps in Java/Scala? • try modern tech?
- 51. > play new
- 52. > play new
- 53. > play run
- 55. Thank you!