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[Start] Playing
- 1. > play new
- 2. Do you know Web Application Framework?
- 3. Do you know Play!> framework?
- 4. Do you know Scala? ’’’
- 5. [Start] Playing! @mumoshu
- 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
- 11. How to start •Download •Unzip •play new
- 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
- 35. NullPointerException
- 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)
- 49. Play 2.x is •Active!
- 50. Recommendation • Do you want to: • write web apps in Java/Scala? • try modern tech?
- 51. > play new
- 52. > play new
- 53. > play run
- 54. [Start] Playing! @mumoshu
- 55. Thank you!
