Code Reading

Learning More about Ruby by Reading Ruby Source Code'

Transcript

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
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!
19. Web Development Conference in Taiwan
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
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