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
2. THE OPEN WEB RUBY RUBY ON RAILS 1 2
3. 1 2 3
4. nicolasrapp.com THE OPEN WEB
5. Knowledge Communication Work Social connections News Tool for political change RICHARD DARELL — bitrebels.com
6. “The Internet’s great promise is to make the world’s information universally accessible and useful.” (GARY WOLF)
7. “OPENNESS”
8. OPEN STANDARDS Non-proprietary Content, implementation and access
9. vs. EXAMPLE
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
11. STATE OF THE UNION
13. THE WEB IN 2014 Threats and Opportunities
14. “I love the Internet, and I love that you can say whatever you want.” (JOAN RIVERS)
15. SURVEILLANCE
17. “The NSA’s surveillance programme is prompting many US writers to abandon topics that could be deemed too sensitive” (DAVE EGGERS, theguardian.com)
18. CENSORSHIP
21. GOVERNMENT ONLINE
24. NET NEUTRALITY
26. CYBER ACTIVISM
28. SECURITY
30. “TECHNOMONOPOLIES”
32. POST–INDUSTRIAL SOCIETIES
33. CROWD SOURCING & FUNDING
34. THE WEB AS SOCIAL NORMALIZER
35. THE WEB IN 2014 Design and Technology
36. MOBILE & OFFLINE FIRST
37. ASYNCHRONOUS WEB
38. THE INTERNET OF THINGS
39. BIG (SOCIAL) DATA
40. MONETIZATION IN A MULTISCREEN PARADIGM
41. RUBY & RUBY ON RAILS
42. Yukihiro “Matz” Matsumoto
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)
44. PRINCIPLES Programmer happiness Principle of least astonishment Human readable Beautiful syntax
45. ECOSYSTEM RubyGems, Bundler & Rake Multiple implementations (MRI, JRuby, Rubinius, mruby, MacRuby, Topaz, …) Solid Standard Library
46. COMMUNITY MINASWAN Self reflective Open Quirky
48. OBJECT–ORIENTED
49. 5.times { print "We love Ruby" }
50. class Animal def eat(food) puts "Animal eating" end end my_animal = Animal.new animal.eat # => "Animal eating"
51. class Dog < Animal def eat(food) puts "Dog eating" super end end
52. module Stomach def digest(food) # ... end end
53. class Dog < Animal include Stomach end my_dog = Dog.new dog.digest
54. -199.abs # => 199 "Foobar".split("").uniq.sort.join # => "abFor" nil.class # => "NilClass"
55. DYNAMICALLY TYPED (DUCK–TYPING)
56. if dog.is_a? Animal dog.eat end dog.eat if dog.respond_to?(:eat)
57. MONKEY–PATCHING (DUCK–PUNCHING)
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.”
59. class String def yell "#{self.upcase}!" end end "hello".yell # => "HELLO!"
60. META–PROGRAMMING
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!"
62. BLOCKS & LAMBDAS
63. [1, 2, 3].map { |i| i ** 2 } # => [1, 4, 9]
64. def greet(&block) # ... greeting = yield("John") # ... end greet do |name| "Hello, #{name}!" end
66. PRINCIPLES Open Source MVC CoC DRY Opinionated
67. CONTROLLER MODEL VIEW
68. FEATURES Generators ORM Restful routing Included web server
69. ROUTES CONTROLLER ACTION
70. $ gem install rails $ rails new blog $ cd blog $ rails generate scaffold post title content:text $ rake db:migrate $ rails server
71. [CODE TOUR]
72. RUBY ON RAILS AND THE OPEN WEB
73. THREATS AND OPPORTUNITIES
74. EMPOWERMENT
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)
76. Open Source A strong, independent community Well developed ecosystem
77. DECENTRALIZATION
78. Availability Deployment Development speed
79. SECURITY
80. Convention over configuration Open Source Ecosystem
81. DESIGN AND TECHNOLOGY
82. OPENNESS
83. Rails API RESTful by default Database agnosticism
84. SHIFTING TOWARDS THE CLIENT
85. Sass CoffeeScript Asset Pipeline Turbolinks
86. ASYNCHRONOUS WEB
87. SSE JRuby Threadsafe by default Celluloid Live streaming
88. @polarblau