Two programmers in one

My RubyNation 2014 talk

Transcript

1. TWO PROGRAMMERS IN ONE
2. @janogonzalez
4. A TALE OF TWO DEVELOPERS
5. HACKER
   V/S
   THINKER
6. HACKER
7. GET THINGS DONE
8. FAST
9. HACKS
10. MAINTENANCE
    NIGHTMARE
11. NEEDS MORE DUCT TAPE
12. THINKER
13. THINKS ABOUT ABSTRACTIONS
14. THINKS ABOUT MAINTAINABILITY
15. TOO MANY
    ABSTRACTIONS
16. ANALYSIS
    PARALYSIS
17. NEEDS MORE LAYERS
18. MY HISTORY
19. A TRILOGY OF MOVIES
20. THE HACKER YEARS
21. THE HACKER YEARS
22. THE LEARNING YEARS
23. THE UML YEARS
24. THE UML YEARS
25. THE HACKER
    WAS GONE
26. UML, RUP, GoF, XML, ETC.
27. STOCKHOLM
    SYNDROME
28. EVOLUTION?
29. THE ONE TRUE WAY™
30. THE PATH?
31. FEAR
32. I WAS SO WRONG!
33. EVERYDAY LIFE
    IS THE PATH
34. ENTER
    RUBY
35. SMALLTALK IN PERL’S DISGUISE
36. HAPPY THINKER
37. 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 ...
38. OMG! GoF NEVER WAS SO EASY
39. HAPPY HACKER
40. HACKER $1 if str ~= /(foo)+/
41. ONE LINERS FTW!
42. HACKER
    ❤
    THINKER
43. LET’S WORK TOGETHER
44. HARMONY
45. HARMONY (1..42).select(&:even?). map { |n| n * 2 }. reduce(&:*)
46. THE PATH
47. THE PATH IS NO PATH
48. THE PATH
49. WORKING TOGETHER
50. HACKER
51. EXPLORE
    NEW TERRITORY
52. THINKER
53. FIND ACCEPTANCE CRITERIA
54. DEFINE COMPONENTS
55. BALANCE
56. DELIVER VALUE
    V/S
    DIMINISH TECHNICAL DEBT
57. CREATIVITY
    V/S
    STANDARDIZATION
58. EXAMPLE
59. CASE STATEMENT
    V/S
    FACTORY + COMMANDS
60. CASE STATEMENT
61. EXAMPLE case account_type when :premium then # do stuff when :standard then # do stuff when :personal then # do stuff end
62. FACTORY + COMMANDS
63. EXAMPLE class PremiumAccount def initialize # do stuff end ! def execute(context) # do stuff end end
64. EXAMPLE class AccountFactory def self.create(type) name = "#{type.capitalize}Account" klass = Kernel.const_get(name) klass.new end end
65. EXAMPLE AccountFactory .create(account_type) .execute(context)
66. THE BEST APPROACH?
67. IMPLICIT
    V/S
    EXPLICIT
68. CLARITY
    V/S
    DRY
69. CLARITY
    V/S
    SRP
70. NOW
    V/S
    FUTURE
71. MY HUMBLE ADVICE
72. LEARN ABOUT
    BEST PRACTICES
73. DON’T FOLLOW BLINDLY YOUR FUNCTIONAL GURU
74. DON’T FOLLOW BLINDLY YOUR OO GURU
75. TESTS
    +
    REFACTORING
76. HOW TO IMPROVE IF YOU ARE A…
77. HACKER
78. LEARN ABOUT OOP & PATTERNS
79. TRY IMMUTABILITY & SEQUENCES
80. DO SEPARATE RESPONSIBILITIES
81. THINKER
82. LEARN ABOUT
    ONE LINERS
83. TRY CODE GOLF
84. DO EVIL STUFF
85. EVERYONE
86. READ A LOT OF CODE
87. WRITE A LOT OF CODE
88. ONE LAST ADVICE
89. 守破離
90. SHU 守破離
91. HA 守破離
92. RI 守破離
94. ANTIPATTERN: ETERNAL SHU
95. ANTIPATTERN: START IN HA
96. CONCLUSIONS
97. RUBY GIVES YOU FREEDOM
98. LETS YOU STRIVE FOR BALANCE
99. AVOID CARGO CULT
100. GOOD ADVICE
     V/S
     LAWS
101. THERE IS
     NO TRUE PATH
102. IF YOU MEET THE BUDDHA IN THE ROAD, KILL HIM!
103. FOLLOW YOUR
     ❤
104. THANK YOU!
     ❤
105. IMAGES ! • http://commons.wikimedia.org/wiki/File:Yin_yang.svg • http://upload.wikimedia.org/wikipedia/commons/archive/f/ f4/20050917122925%21Janus-Vatican.JPG