1. Ruby presents
Ruby
snoozer.05@gmail.com
AppleStoreSapporo 2007-10-31( )

2. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓

3. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓

4. snoozer.05
✓
✓ ʻ06
✓ Ruby
✓ Ruby
✓ RubyKaigi2007
✓
✓
✓
✓ http://iddy.jp/profile/snoozer05

5. http://rubyist_level.jitor.net/

6. http://rubyist_level.jitor.net/

7. http://noplans.org/product/t-shirt/

9. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓

10. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓

11. Ruby

12. Ruby
✓
✓ http://www.ruby-lang.org/ja/
✓
✓
✓
✓ A Programmerʼs Best Friend

13. Ruby
✓
- http://www.ruby-lang.org/ja/install.cgi
✓
- http://www.ruby-lang.org/ja/man/
✓
- http://www.ruby-lang.org/ja/man/

14. Ruby
✓ PHPer Ruby
- http://www.slideshare.net/masuidrive/
ruby-90109
✓ Java Ruby
- http://www.kbmj.com/tech/index.php?
itemid=25

15. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓

16. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓

17. Ruby

18. Ruby
✓ Ruby
✓ “From Sapporo, With Love For Ruby.”
✓ Ruby @
✓ RubySapporoNight ←
✓ @
✓ Ruby&Rails

19. http://ruby-sapporo.org/

20. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓

21. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓

22. http://www.apple.com/jp/macosx/

23. “One of the most exciting features for me as a
Rubyist is the inclusion of a well Ruby
installation.” - Chad Fowler
http://www.chadfowler.cm/2007/10/28/
ruby-on-leopard

24. Ruby and Leopard
✓ Ruby : 1.8.6 p36
✓ RubyGems : 0.9.4
✓ Ruby on Rails : 1.2.3
✓ RubyCocoa : 1.0.0
✓ XCode and Interface Builder
✓ Capistrano, Mongorel

25. http://tarc.macosforge.org/projects/ruby/wiki/
WhatsNewInLeopard

26. “Apple’s latest OS ships with an improved
Ruby, but it’s not an un-crippled Ruby - it’s just
a less-crippled Ruby.” - Giles Bowkett
http://gilesbowkett.blogspot.com/2007/10/
apples-ruby-communities-not-features

27. “Apple’s latest OS ships with an improved
Ruby, but it’s not an un-crippled Ruby - it’s just
a less-crippled Ruby.” - Giles Bowkett
http://gilesbowkett.blogspot.com/2007/10/
apples-ruby-communities-not-features

28. “Apple’s latest OS ships with an improved
Ruby, but it’s not an un-crippled Ruby - it’s just
a less-crippled Ruby.” - Giles Bowkett
http://gilesbowkett.blogspot.com/2007/10/
apples-ruby-communities-not-features

29. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓

30. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓

31. Ruby on Rails
ActiveRecord

32. ActiveRecord

33. ActiveRecord

34. Rails

35. Rails
MVC M

37. ORM
Object / Relational Mapping

38. “
RDB
ORM RDB
RDB
” - IT

39. Active Record
“An object that wraps a row in a database table
or view, encapsules the database access, and
adds domain logic on that data.”

41. ActiveRecord
✓ Rails
✓ MVC M
✓ O/R
✓ P of EAA ʻActive Recordʼ
✓ RDB Ruby

42. ActiveRecord

43. AR

44. DB

46. ORM

47. AR::Base

48. (CRUD)

49. CRUD

50. CRUD

51. CRUD

52. CRUD

53. CRUD

55. DSL

58. 1 1

60. One-to-One
has_one
user = User.find(:first)
user.profile
user.profile.nil?
user.create_profile(:firstname => “foo”)
belongs_to
prof = Profile.find(:first)
prof.create_user(:login => “snoozer.05”)
prof.user.nil?
prof.user = user

61. 1

63. One-to-Many
has_many
apple_store = Site.find(:first)
apple_store.events
apple_store.events.create(:name => “RSN”)
apple_store.events << event
belongs_to
rsn = Event.find(1)
rsn.site.nil?
rsn.site = apple_store

64. 1 *
* 1

66. Many-to-Many
has_many
user.register_events
user.register_events.nil?
user.register_events << event
has_many
event.members
event.members.nil?
event.members << user

68. RDB

71. AR
✓ DB
✓ CRUD
✓
✓
✓
✓

72. AR

75. created_at, created_on

76. updated_at, updated_on

78. type
STI

82. acts_as_paranoid
http://ar-paranoid.rubyforge.org/

83. “delete_at”
datetime

85. AR::Observer
Observer

87. acts_as_tree
http://wiki.rubyonrails.org/rails/pages/ActsAsTree

88. “parent_id”

90. acts_as_list

95. Composite Primary Keys Plugin
http://compositekeys.rubyforge.org

100. AR

101. http://d.hatena.ne.jp/mrkn/20071010

104. Lolcats 'n' Funny Pictures

106. AR
Rails

107. Ruby on Rails
ActiveRecord

108. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓

109. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓

111. Ruby @
✓ 2007 11 17
✓
✓
✓
✓C Ruby
✓
✓ ... (ry

112. RubySapporoNight vol.4
✓ 2007 11 28
✓
✓
✓
✓ Ruby on Rails
✓

113. ✓
✓ Ruby
✓ Ruby
✓ Leopard Ruby
✓ Ruby on Rails Active Record
✓