Tweet
Tweet

Slide 1

Slide 1 text

THE BIPOLAR PROGRAMMER

Slide 2

Slide 2 text

$ whoami

Slide 3

Slide 3 text

@janogonzalez

Slide 4

Slide 4 text

@hop_in

Slide 5

Slide 5 text

A TALE OF TWO DEVELOPERS

Slide 6

Slide 6 text

HACKER V/S THINKER

Slide 7

Slide 7 text

HACKER

Slide 8

Slide 8 text

GET THINGS DONE

Slide 9

Slide 9 text

FAST

Slide 10

Slide 10 text

HACKS

Slide 11

Slide 11 text

MAINTENANCE NIGHTMARE

Slide 12

Slide 12 text

NEEDS MORE DUCT TAPE

Slide 13

Slide 13 text

THINKER

Slide 14

Slide 14 text

THINKS ABOUT ABSTRACTIONS

Slide 15

Slide 15 text

THINKS ABOUT MAINTAINABILITY

Slide 16

Slide 16 text

TOO MANY ABSTRACTIONS

Slide 17

Slide 17 text

ANALYSIS PARALYSIS

Slide 18

Slide 18 text

NEEDS MORE LAYERS

Slide 19

Slide 19 text

MY HISTORY

Slide 20

Slide 20 text

A TRILOGY OF MOVIES

Slide 21

Slide 21 text

THE HACKER YEARS

Slide 22

Slide 22 text

THE HACKER YEARS

Slide 23

Slide 23 text

THE LEARNING YEARS

Slide 24

Slide 24 text

THE UML YEARS

Slide 25

Slide 25 text

THE UML YEARS

Slide 26

Slide 26 text

THE HACKER WAS GONE

Slide 27

Slide 27 text

UML, RUP, GoF, XML, ETC.

Slide 28

Slide 28 text

STOCKHOLM SYNDROME

Slide 29

Slide 29 text

EVOLUTION?

Slide 30

Slide 30 text

THE ONE TRUE WAY™

Slide 31

Slide 31 text

THE PATH?

Slide 32

Slide 32 text

FEAR

Slide 33

Slide 33 text

I WAS SO WRONG!

Slide 34

Slide 34 text

EVERYDAY LIFE IS THE PATH

Slide 35

Slide 35 text

ENTER RUBY

Slide 36

Slide 36 text

SMALLTALK IN PERL’S DISGUISE

Slide 37

Slide 37 text

HAPPY THINKER

Slide 38

Slide 38 text

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 ...

Slide 39

Slide 39 text

OMG! GoF NEVER WAS SO EASY

Slide 40

Slide 40 text

HAPPY HACKER

Slide 41

Slide 41 text

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

Slide 42

Slide 42 text

ONE LINERS FTW!

Slide 43

Slide 43 text

HACKER ❤ THINKER

Slide 44

Slide 44 text

LET’S WORK TOGETHER

Slide 45

Slide 45 text

HARMONY

Slide 46

Slide 46 text

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

Slide 47

Slide 47 text

EXPRESS YOURSELF

Slide 48

Slide 48 text

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

Slide 49

Slide 49 text

THE PATH

Slide 50

Slide 50 text

THE PATH IS NO PATH

Slide 51

Slide 51 text

THE PATH

Slide 52

Slide 52 text

WORKING TOGETHER

Slide 53

Slide 53 text

HACKER

Slide 54

Slide 54 text

EXPLORE NEW TERRITORY

Slide 55

Slide 55 text

THINKER

Slide 56

Slide 56 text

FIND ACCEPTANCE CRITERIA

Slide 57

Slide 57 text

DEFINE COMPONENTS

Slide 58

Slide 58 text

BALANCE

Slide 59

Slide 59 text

DELIVER VALUE V/S DIMINISH TECHNICAL DEBT

Slide 60

Slide 60 text

CREATIVITY V/S STANDARDIZATION

Slide 61

Slide 61 text

EXAMPLE

Slide 62

Slide 62 text

CASE STATEMENT V/S FACTORY + COMMANDS

Slide 63

Slide 63 text

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

Slide 64

Slide 64 text

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

Slide 65

Slide 65 text

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

Slide 66

Slide 66 text

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

Slide 67

Slide 67 text

IMPLICIT V/S EXPLICIT

Slide 68

Slide 68 text

CLARITY V/S DRY

Slide 69

Slide 69 text

CLARITY V/S SRP

Slide 70

Slide 70 text

NOW V/S FUTURE

Slide 71

Slide 71 text

MY HUMBLE ADVICE

Slide 72

Slide 72 text

LEARN ABOUT BEST PRACTICES

Slide 73

Slide 73 text

DON’T FOLLOW BLINDLY YOUR FUNCTIONAL GURU

Slide 74

Slide 74 text

DON’T FOLLOW BLINDLY YOUR OO GURU

Slide 75

Slide 75 text

TESTS + REFACTORING

Slide 76

Slide 76 text

HOW TO IMPROVE

Slide 77

Slide 77 text

HACKER

Slide 78

Slide 78 text

LEARN ABOUT OOP & PATTERNS

Slide 79

Slide 79 text

TRY IMMUTABILITY & SEQUENCES

Slide 80

Slide 80 text

DO SEPARATE RESPONSIBILITIES

Slide 81

Slide 81 text

THINKER

Slide 82

Slide 82 text

LEARN ABOUT ONE LINERS

Slide 83

Slide 83 text

TRY CODE GOLF

Slide 84

Slide 84 text

DO EVIL STUFF

Slide 85

Slide 85 text

EVERYONE

Slide 86

Slide 86 text

READ A LOT OF CODE

Slide 87

Slide 87 text

WRITE A LOT OF CODE

Slide 88

Slide 88 text

ONE LAST ADVICE

Slide 89

Slide 89 text

कഁ཭

Slide 90

Slide 90 text

SHU कഁ཭

Slide 91

Slide 91 text

HA कഁ཭

Slide 92

Slide 92 text

RI कഁ཭

Slide 93

Slide 93 text

No content

Slide 94

Slide 94 text

CONCLUSIONS

Slide 95

Slide 95 text

RUBY GIVES YOU FREEDOM

Slide 96

Slide 96 text

LETS YOU STRIVE FOR BALANCE

Slide 97

Slide 97 text

AVOID CARGO CULT

Slide 98

Slide 98 text

GOOD ADVICE V/S LAWS

Slide 99

Slide 99 text

THERE IS NO TRUE PATH

Slide 100

Slide 100 text

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

Slide 101

Slide 101 text

FOLLOW YOUR ❤

Slide 102

Slide 102 text

THANK YOU! ❤

Slide 103

Slide 103 text

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