Two programmers in one

Transcript

1. TWO PROGRAMMERS IN ONE

2. @janogonzalez

3. None

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

93. None

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