Ruby for your two internal programmers

My Arrrrcamp 2013 talk

Transcript

3. HELLO GHENT!
4. B - AT = G
5. PIRATES
6. RUBY FOR BIPOLAR PROGRAMMERS
7. $ whoami
8. @janogonzalez
9. @hop_in
10. PIRATES IN CHILE
11. XVI CENTURY
12. SIR FRANCIS DRAKE
13. HERO OR PIRATE?
14. AKA EL DRAKE
15. 6.5M$ REWARD
16. SIR FRANCIS DRAKE
17. SIR FRANCIS DRAKE
18. HIDDEN TREASURES
19. ISLA MOCHA
20. MOCHA DICK
21. XXI CENTURY
22. NEW PIRATES
23. NEW PIRATES
24. NEW PIRATES
25. ☑ PIRATES ☐ RUBY
26. A TALE OF TWO DEVELOPERS
27. HACKER V/S THINKER
28. HACKER
29. GET THINGS DONE
30. FAST
31. HACKS
32. MAINTENANCE NIGHTMARE
33. NEEDS MORE DUCT TAPE
34. THINKER
35. THINKS ABOUT ABSTRACTIONS
36. THINKS ABOUT MAINTAINABILITY
37. TOO MANY ABSTRACTIONS
38. ANALYSIS PARALYSIS
39. NEEDS MORE LAYERS
40. MY HISTORY
41. A TRILOGY OF MOVIES
42. THE HACKER YEARS
43. THE HACKER YEARS
44. THE LEARNING YEARS
45. THE UML YEARS
46. THE UML YEARS
47. THE HACKER WAS GONE
48. UML, RUP, GoF, XML, ETC.
49. STOCKHOLM SYNDROME
50. EVOLUTION?
51. THE ONE TRUE WAY™
52. THE PATH?
53. FEAR
54. I WAS SO WRONG!
55. EVERYDAY LIFE IS THE PATH
56. ENTER RUBY
57. SMALLTALK IN PERL’S DISGUISE
58. HAPPY THINKER
59. THINKER class AccountProtectionProxy def initialize(real_account, owner) @subject = real_account @owner = owner end def method_missing(name, *args) check_access @subject.send(name, *args) end ...
60. OMG! GoF NEVER WAS SO EASY
61. HAPPY HACKER
62. HACKER $1 if str ~= /(foo)+/
63. ONE LINERS FTW!
64. HACKER ❤ THINKER
65. LET’S WORK TOGETHER
66. HARMONY
67. HARMONY (1..42).select(&:even?). map { |n| n * 2 }. reduce(&:*)
68. EXPRESS YOURSELF
69. EXPRESS YOURSELF File.open('my.txt').each do |line| puts line if line =~ /jano/ end
70. THE HIDDEN TRUTH
71. HIDDEN TRUTH $ irb > puts 'Ahoy World!' # Ahoy World! # => nil
72. HIDDEN TRUTH > self.class # => Object
73. HIDDEN TRUTH > Object.included_modules # => [Kernel]
74. HIDDEN TRUTH > Kernel.methods.include? :puts # => true
75. THE MOST HIDDEN TRUTH
76. THE PATH IS NO PATH
77. THE PATH
78. WORKING TOGETHER
79. HACKER
80. EXPLORE NEW TERRITORY
81. THINKER
82. FIND ACCEPTANCE CRITERIA
83. DEFINE COMPONENTS
84. BALANCE
85. DELIVER VALUE V/S DIMINISH TECHNICAL DEBT
86. CREATIVITY V/S STANDARDIZATION
87. EXAMPLE
88. CASE STATEMENT V/S FACTORY + COMMANDS
89. EXAMPLE case account_type when :premium then # do stuff when :standard then # do stuff when :personal then # do stuff end
90. EXAMPLE class AccountAccount def initialize # do stuff end def execute(context) # do stuff end end
91. EXAMPLE class PersonalFactory def self.create(type) name = "#{type.capitalize} Account" klass = Kernel.const_get(name) klass.new end end
92. EXAMPLE AccountFactory .create(account_type) .execute(context)
93. IMPLICIT V/S EXPLICIT
94. CLARITY V/S DRY
95. CLARITY V/S SRP
96. NOW V/S FUTURE
97. MY HUMBLE ADVICE
98. LEARN ABOUT BEST PRACTICES
99. DON’T FOLLOW BLINDLY YOUR FUNCTIONAL GURU
100. DON’T FOLLOW BLINDLY YOUR OO GURU
101. TESTS + REFACTORING
102. HOW TO IMPROVE
103. HACKER
104. LEARN ABOUT OOP & PATTERNS
105. TRY IMMUTABILITY & SEQUENCES
106. DO SEPARATE RESPONSIBILITIES
107. THINKER
108. LEARN ABOUT ONE LINERS
109. TRY CODE GOLF
110. DO EVIL STUFF
111. EVERYONE
112. READ A LOT OF CODE
113. WRITE A LOT OF CODE
114. ONE LAST ADVICE
115. कഁ཭
116. SHU कഁ཭
117. HA कഁ཭
118. RI कഁ཭
120. CONCLUSIONS
121. RUBY GIVES YOU FREEDOM
122. LETS YOU STRIVE FOR BALANCE
123. AVOID CARGO CULT
124. GOOD ADVICE V/S LAWS
125. THERE IS NO TRUE PATH
126. IF YOU MEET THE BUDDHA IN THE ROAD, KILL HIM!
127. FOLLOW YOUR ❤
128. THANK YOU! ❤
129. IMAGES • http://en.wikipedia.org/wiki/File: 1590_or_later_Marcus_Gheeraerts,_Sir_Francis_Drake_Buckland_Abbey, _Devon.jpg • http://en.wikipedia.org/wiki/File:New_Albion._English_galleon_ %22Golden_Hinde %22_by_Sir_Francis_Drake._Oil_on_canvas._60_x_90_cm..jpg • http://en.wikipedia.org/wiki/File:DRAKE_1577-1580.png • http://www.vivimoslanoticia.cl/wp-content/uploads/2013/09/Pel %C3%ADculas-piratas.jpg • http://radiopolar.com/images/noticias/20101127174025.jpg • http://upload.wikimedia.org/wikipedia/commons/a/aa/Isla_Mocha_1.jpg • http://www.todayifoundout.com/wp-content/uploads/2011/12/Moby- Dick-3.jpg