The Bipolar Programmer

My StarTechConf 2013 talk

Transcript

1. THE BIPOLAR PROGRAMMER
   

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2. $ whoami
   

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3. @janogonzalez
   

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4. @hop_in
   

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5. A TALE OF TWO
   DEVELOPERS
   

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6. HACKER
   V/S
   
   THINKER
   

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7. HACKER
   

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8. GET THINGS
   DONE
   

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9. FAST
   

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10. HACKS
    

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11. MAINTENANCE
    NIGHTMARE
    

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12. NEEDS MORE DUCT TAPE
    

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13. THINKER
    

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14. THINKS ABOUT
    ABSTRACTIONS
    

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15. THINKS ABOUT
    MAINTAINABILITY
    

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16. TOO MANY
    ABSTRACTIONS
    

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17. ANALYSIS
    PARALYSIS
    

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18. NEEDS MORE LAYERS
    

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19. MY HISTORY
    

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20. A TRILOGY OF
    MOVIES
    

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21. THE HACKER YEARS
    

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22. THE HACKER YEARS
    

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23. THE LEARNING YEARS
    

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24. THE UML YEARS
    

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25. THE UML YEARS
    

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26. THE HACKER
    WAS GONE
    

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27. UML, RUP, GoF,
    XML, ETC.
    

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28. STOCKHOLM
    SYNDROME
    

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29. EVOLUTION?
    

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30. THE ONE TRUE WAY™
    

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31. THE PATH?
    

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32. FEAR
    

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33. I WAS SO WRONG!
    

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34. EVERYDAY LIFE
    IS THE PATH
    

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35. ENTER
    RUBY
    

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36. SMALLTALK IN
    PERL’S DISGUISE
    

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37. HAPPY
    THINKER
    

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38. 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
    ...
    

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39. OMG! GoF NEVER
    WAS SO EASY
    

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40. HAPPY
    HACKER
    

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41. HACKER
    $1 if str ~= /(foo)+/
    

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42. ONE LINERS FTW!
    

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43. HACKER
    ❤
    THINKER
    

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44. LET’S WORK
    TOGETHER
    

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45. HARMONY
    

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46. HARMONY
    (1..42).select(&:even?).
    map { |n| n * 2 }.
    reduce(&:*)
    

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47. EXPRESS
    YOURSELF
    

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48. EXPRESS YOURSELF
    File.open('my.txt').each do |line|
    puts line if line =~ /jano/
    end
    

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49. THE PATH
    

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50. THE PATH IS
    NO PATH
    

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51. THE PATH
    

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52. WORKING TOGETHER
    

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53. HACKER
    

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54. EXPLORE
    NEW TERRITORY
    

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55. THINKER
    

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56. FIND ACCEPTANCE
    CRITERIA
    

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57. DEFINE
    COMPONENTS
    

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58. BALANCE
    

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59. DELIVER VALUE
    V/S
    DIMINISH
    TECHNICAL DEBT
    

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60. CREATIVITY
    V/S
    STANDARDIZATION
    

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61. EXAMPLE
    

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62. CASE STATEMENT
    V/S
    FACTORY + COMMANDS
    

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63. EXAMPLE
    case account_type
    when :premium then
    # do stuff
    when :standard then
    # do stuff
    when :personal then
    # do stuff
    end
    

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64. EXAMPLE
    class PremiumAccount
    def initialize
    # do stuff
    end
    !
    def execute(context)
    # do stuff
    end
    end
    

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65. EXAMPLE
    class AccountFactory
    def self.create(type)
    name = "#{type.capitalize}
    Account"
    klass = Kernel.const_get(name)
    klass.new
    end
    end
    

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66. EXAMPLE
    AccountFactory
    .create(account_type)
    .execute(context)
    

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67. IMPLICIT
    V/S
    EXPLICIT
    

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68. CLARITY
    V/S
    DRY
    

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69. CLARITY
    V/S
    SRP
    

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70. NOW
    V/S
    FUTURE
    

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71. MY HUMBLE
    ADVICE
    

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72. LEARN ABOUT
    BEST PRACTICES
    

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73. DON’T FOLLOW BLINDLY
    YOUR FUNCTIONAL GURU
    

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74. DON’T FOLLOW BLINDLY
    YOUR OO GURU
    

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75. TESTS
    +
    REFACTORING
    

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76. HOW TO IMPROVE
    

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77. HACKER
    

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78. LEARN ABOUT
    OOP & PATTERNS
    

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79. TRY IMMUTABILITY &
    SEQUENCES
    

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80. DO SEPARATE
    RESPONSIBILITIES
    

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81. THINKER
    

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82. LEARN ABOUT
    ONE LINERS
    

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83. TRY CODE GOLF
    

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84. DO EVIL STUFF
    

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85. EVERYONE
    

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86. READ A LOT OF
    CODE
    

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87. WRITE A LOT OF
    CODE
    

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88. ONE LAST ADVICE
    

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89. कഁ཭
    

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90. SHU
    कഁ཭
    

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91. HA
    कഁ཭
    

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92. RI
    कഁ཭
    

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94. CONCLUSIONS
    

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95. RUBY GIVES YOU
    FREEDOM
    

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96. LETS YOU STRIVE
    FOR BALANCE
    

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97. AVOID CARGO
    CULT
    

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98. GOOD ADVICE
    V/S
    LAWS
    

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99. THERE IS
    NO TRUE PATH
    

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100. IF YOU MEET THE BUDDHA
     IN THE ROAD, KILL HIM!
     

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101. FOLLOW YOUR
     ❤
     

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102. THANK YOU!
     ❤
     

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103. IMAGES
     !
     • http://commons.wikimedia.org/wiki/File:Yin_yang.svg
     • http://upload.wikimedia.org/wikipedia/commons/archive/f/
     f4/20050917122925%21Janus-Vatican.JPG
     

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