Rails and the future of the open web

Slides (without notes) for a guest lecture at the University of Applied Sciences in Oulu.

Transcript

1. &
   RUBY ON RAILS
   The Future of the Open Web
   

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2. THE
   OPEN WEB
   RUBY
   RUBY ON RAILS
   1 2
   

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3. 1 2
   3
   

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4. nicolasrapp.com
   THE OPEN WEB
   

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5. Knowledge
   Communication
   Work
   Social connections
   News
   Tool for political change
   RICHARD DARELL — bitrebels.com
   

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6. “The Internet’s great promise is to make the
   world’s information universally
   accessible and useful.”
   (GARY WOLF)
   

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7. “OPENNESS”
   

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8. OPEN STANDARDS
   Non-proprietary
   Content, implementation and access
   

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9. vs.
   EXAMPLE
   

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10. PHILOSOPHY
    Decentralization
    Transparency
    Hackability
    Openness
    From Gift Economies to Free Markets
    Third-Party Innovation
    Civil Society and Discourse
    End-User Usability and Integration
    BRAD NEUBERG — codinginparadise.org
    

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11. STATE OF THE UNION
    

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13. THE WEB IN 2014
    Threats and Opportunities
    

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14. “I love the Internet, and I love that you can say
    whatever you want.”
    (JOAN RIVERS)
    

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15. SURVEILLANCE
    

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17. “The NSA’s surveillance programme is prompting
    many US writers to abandon topics that could be
    deemed too sensitive”
    (DAVE EGGERS, theguardian.com)
    

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18. CENSORSHIP
    

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21. GOVERNMENT ONLINE
    

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24. NET NEUTRALITY
    

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26. CYBER ACTIVISM
    

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28. SECURITY
    

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30. “TECHNOMONOPOLIES”
    

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32. POST–INDUSTRIAL SOCIETIES
    

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33. CROWD SOURCING & FUNDING
    

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34. THE WEB AS SOCIAL NORMALIZER
    

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35. THE WEB IN 2014
    Design and Technology
    

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36. MOBILE & OFFLINE FIRST
    

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37. ASYNCHRONOUS WEB
    

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38. THE INTERNET OF THINGS
    

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39. BIG (SOCIAL) DATA
    

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40. MONETIZATION IN A
    MULTISCREEN PARADIGM
    

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41. RUBY & RUBY ON RAILS
    

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42. Yukihiro “Matz” Matsumoto
    

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43. “I hope to see Ruby help every programmer in the
    world to be productive, and to enjoy programming,
    and to be happy. That is the primary purpose of
    Ruby language.”
    (MATZ)
    

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44. PRINCIPLES
    Programmer happiness
    Principle of least astonishment
    Human readable
    Beautiful syntax
    

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45. ECOSYSTEM
    RubyGems, Bundler & Rake
    Multiple implementations (MRI, JRuby, Rubinius,
    mruby, MacRuby, Topaz, …)
    Solid Standard Library
    

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46. COMMUNITY
    MINASWAN
    Self reflective
    Open
    Quirky
    

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48. OBJECT–ORIENTED
    

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49. 5.times { print "We love Ruby" }
    

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50. class Animal
    def eat(food)
    puts "Animal eating"
    end
    end
    my_animal = Animal.new
    animal.eat
    # => "Animal eating"
    

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51. class Dog < Animal
    def eat(food)
    puts "Dog eating"
    super
    end
    end
    

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52. module Stomach
    def digest(food)
    # ...
    end
    end
    

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53. class Dog < Animal
    include Stomach
    end
    my_dog = Dog.new
    dog.digest
    

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54. -199.abs
    # => 199
    "Foobar".split("").uniq.sort.join
    # => "abFor"
    nil.class
    # => "NilClass"
    

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55. DYNAMICALLY TYPED
    (DUCK–TYPING)
    

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56. if dog.is_a? Animal
    dog.eat
    end
    dog.eat if dog.respond_to?(:eat)
    

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57. MONKEY–PATCHING
    (DUCK–PUNCHING)
    

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58. “… if it walks like a duck and talks like a duck,
    it’s a duck, right? So if this duck is not giving you
    the noise that you want, you’ve got to just punch
    that duck until it returns what you expect.”
    

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59. class String
    def yell
    "#{self.upcase}!"
    end
    end
    "hello".yell
    # => "HELLO!"
    

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60. META–PROGRAMMING
    

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61. class Greeter
    def method_missing(name, *args)
    name = name.to_s
    if name =~ /^hello_/
    puts "Hello, #{name.gsub(/^hello_/, '')}!"
    else
    super
    end
    end
    end
    Greeter.new.hello_john
    # => "Hello, john!"
    

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62. BLOCKS & LAMBDAS
    

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63. [1, 2, 3].map { |i| i ** 2 }
    # => [1, 4, 9]
    

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64. def greet(&block)
    # ...
    greeting = yield("John")
    # ...
    end
    greet do |name|
    "Hello, #{name}!"
    end
    

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66. PRINCIPLES
    Open Source
    MVC
    CoC
    DRY
    Opinionated
    

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67. CONTROLLER
    MODEL VIEW
    

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68. FEATURES
    Generators
    ORM
    Restful routing
    Included web server
    

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69. ROUTES
    CONTROLLER ACTION
    

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70. $ gem install rails
    $ rails new blog
    $ cd blog
    $ rails generate scaffold post title content:text
    $ rake db:migrate
    $ rails server
    

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71. [CODE TOUR]
    

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72. RUBY ON RAILS
    AND THE OPEN WEB
    

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73. THREATS AND OPPORTUNITIES
    

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74. EMPOWERMENT
    

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75. “The solution is open source. By building together
    open, free, secure systems, we can go around such
    surveillance, and then one country doesn't have to
    solve the problem by itself.”
    (MIKKO HYPPÖNEN)
    

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76. Open Source
    A strong, independent community
    Well developed ecosystem
    

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77. DECENTRALIZATION
    

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78. Availability
    Deployment
    Development speed
    

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79. SECURITY
    

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80. Convention over configuration
    Open Source
    Ecosystem
    

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81. DESIGN AND TECHNOLOGY
    

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82. OPENNESS
    

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83. Rails API
    RESTful by default
    Database agnosticism
    

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84. SHIFTING TOWARDS THE CLIENT
    

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85. Sass
    CoffeeScript
    Asset Pipeline
    Turbolinks
    

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86. ASYNCHRONOUS WEB
    

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87. SSE
    JRuby
    Threadsafe by default
    Celluloid
    Live streaming
    

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88. @polarblau
    

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