Code Reading

Transcript

1. None

2. 高見 龍 です

3. 高 見龍 です @eddiekao

4. Code Reading Chimpr Learning more about Ruby by Reading Ruby

   Source Code

5. I come from Taiwan photo by Fishtail@Taipei

6. photo by J o n a G r a p

   h Y 

7. photo by HeyNix

8. photo by randomwire

9. None
10. None

11. I’m a Python guy (≈ 2 years) I’m a iOS

    app guy (≈ 2 years) I’m a Flash guy (≈ 8 years) I’m a Ruby guy (≈ 4 years)

12. But not a C guy, yet!

13. Ruby > Rails

14. “I’m a SHOW OFF person”

15. “Experience Sharing is fun”

16. Current Status 80% iOS app, 20% Ruby/Rails

17. 100% Ruby Lover!

18. None

19. Web Development Conference in Taiwan

20. None

21. 2 days, 3 tracks session

22. 750+ attendees

23. all tickets sold out in 4 mins

24. WebConf Taiwan 2014

25. Will be held on Jan 2014

26. 850+ attendees in 2014, hopefully.

27. All about web development

28. 楽しい

29. http://webconf.tw

30. Code Reading

31. Why read source code? How to start? What I learned?

    Anything interesting?

32. Why read source code ?

33. Ian Ruotsala

34. http://blog.rubybestpractices.com/posts/gregory/005-code-reading-stdlib.html “once you start digging around in someone else’s code

    base, you’ll learn a lot about your own strengths and weaknesses” - Ruby Best Practice

35. See how the Core Team write Ruby

36. photo by chaines106 Read the source, Luke!

37. source http://kyaraben.seesaa.net/article/168967765.html source code は友達

38. Contribution!

39. Committer in my dream!

40. FUN! :)

41. Requirement ?

42. C language

43. “What if I don’t have any skill of C?”

44. “Just Learn It!”

45. Curiosity and Passion

46. Where to Start ?

47. get source files!

48. download from Ruby website, or clone from github

49. Ruby 1.9.2 p290

50. None

51. Quick browsing.. :)

52. * .c + * .h * .rb (stdlib)

53. Let’s have some fun!

54. Object Class String Array Hash

55. “ruby.h”

56. Object => RObject Class => RClass String => RString Array

    => RArray Hash => RHash

57. “object.c”

58. Init_XXXX( )

59. “all Class’s class is a Class”

60. “new”

61. class A def initialize puts "hello" end end a =

    A.new

62. Proc

63. How to execute a Proc?

64. proc.call proc[ ] proc.yield proc === 123

65. attributes

66. push v.s. <<

67. Object ID

68. What else?

69. Haskell-like syntax :)

70. head (x:_) = x tail (_:xs) = xs

71. people = { "Eddie" => ["green", "eddie@digik.com.tw"], "Joanne" => ["yellow",

    "hello@yahoo.com"] } people.map { |name, (color, email)| puts [name, email] }

72. parse.y#8277-8299 shadowing_lvar_gen( ) people = { "Eddie" => ["green", "eddie@digik.com.tw"],

    "Joanne" => ["yellow", "hello@yahoo.com"] } people.map { |name, (_, email)| puts [name, email] }

73. Method missing

74. Anything interesting ?

75. Interesting naming.. XD

76. Conclusion

77. “from basic structure”

78. “don’t be afraid of source code”

79. source http://kyaraben.seesaa.net/article/168967765.html source code は友達

80. References

81. http://i.loveruby.net/ja/rhg/book/ “Rubyソースコード完全解説” (RHG) by 青木峰郎

82. http://patshaughnessy.net/ruby-under-a-microscope “Ruby Under a Microscope” by Pat Shaughnessy

83. Chimpr Hope we all can become Jedi Master someday :)

84. 高見 龍 です

85. 以上です。 ご清聴ありがとうございました thanks for your listening :)

86. 高見龍 Contacts photo by Eddie Website Blog Plurk Facebook Google

    Plus Twitter Email Mobile http://www.eddie.com.tw http://blog.eddie.com.tw http://www.plurk.com/aquarianboy http://www.facebook.com/eddiekao http://www.eddie.com.tw/+ https://twitter.com/#!/eddiekao eddie@digik.com.tw +886-928-617-687