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Oxente on Rails 2009

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    Oxente on Rails 2009 - Presentation Transcript

    1. Ruby on Rails Friday, August 7, 2009
    2. AkitaOnRails.com slideshare.net/akitaonrails Friday, August 7, 2009
    3. 2008 Friday, August 7, 2009
    4. 2008 Friday, August 7, 2009
    5. 13 e 14 Outubro 2009 Friday, August 7, 2009
    6. Friday, August 7, 2009
    7. ~140 slides ~45 min Friday, August 7, 2009
    8. www.slideshare.net/akitaonrails fabio.akita@locaweb.com.br Friday, August 7, 2009
    9. Friday, August 7, 2009
    10. Friday, August 7, 2009
    11. Friday, August 7, 2009
    12. Ruby on Rails 2.3 Ruby 1.8 Novo Ruby 1.9 Friday, August 7, 2009
    13. Ruby on Rails 2.3 Ruby 1.8 Novo Ruby 1.9 Friday, August 7, 2009
    14. Ruby on Rails 2.3 Ruby 1.8 Novo Ruby 1.9 Friday, August 7, 2009
    15. “Matz” 1993 Friday, August 7, 2009
    16. Friday, August 7, 2009
    17. “Prag Dave” 2001 Friday, August 7, 2009
    18. Friday, August 7, 2009
    19. “DHH” 2004 Friday, August 7, 2009
    20. Friday, August 7, 2009
    21. Friday, August 7, 2009
    22. Charles Nutter 2006 Friday, August 7, 2009
    23. Friday, August 7, 2009
    24. Friday, August 7, 2009
    25. Friday, August 7, 2009
    26. Friday, August 7, 2009
    27. “Tornar as coisas simples fáceis e as coisas complexas possíveis” Filosofia Ruby Friday, August 7, 2009
    28. Friday, August 7, 2009
    29. Friday, August 7, 2009
    30. Friday, August 7, 2009
    31. Friday, August 7, 2009
    32. O que dizem por aí ... Friday, August 7, 2009
    33. Pouco usado Friday, August 7, 2009
    34. Rails não Escala Friday, August 7, 2009
    35. Ruby é Lento Friday, August 7, 2009
    36. WTF!? Friday, August 7, 2009
    37. Pouco usado Friday, August 7, 2009
    38. Friday, August 7, 2009
    39. Friday, August 7, 2009
    40. Friday, August 7, 2009
    41. Friday, August 7, 2009
    42. Friday, August 7, 2009
    43. Friday, August 7, 2009
    44. Friday, August 7, 2009
    45. Friday, August 7, 2009
    46. Friday, August 7, 2009
    47. Friday, August 7, 2009
    48. Friday, August 7, 2009
    49. Rails não Escala Friday, August 7, 2009
    50. Friday, August 7, 2009
    51. Blaine Cook http://www.akitaonrails.com/2008/6/17/chatting-with-blaine-cook-twitter Friday, August 7, 2009
    52. Para colocar as coisas em perspectiva, o Friendster foi escrito em Java e eles mudaram para PHP. MySpace foi escrito em ColdFusion e eles mudaram para ASP.NET. Blaine Cook http://www.akitaonrails.com/2008/6/17/chatting-with-blaine-cook-twitter Friday, August 7, 2009
    53. Para colocar as coisas em perspectiva, o Friendster foi escrito em Java e eles mudaram para PHP. MySpace foi escrito em ColdFusion e eles mudaram para ASP.NET. Quando as pessoas caem em problemas de escalabilidade, normalmente acham que a linguagem é o problema, mas eu acho que isso raramente é a realidade. Blaine Cook http://www.akitaonrails.com/2008/6/17/chatting-with-blaine-cook-twitter Friday, August 7, 2009
    54. “O The New York Times usou Ruby on Rails para agregar, analizar e mostrar os resultados das eleições em quase tempo real em um de seus sites mais acessados de todos os tempos.” http://www.computerworld.com.au/article/268003/ruby_rails_rolls_into_enterprise?fp=16&fpid=1 Friday, August 7, 2009
    55. “O The New York Times usou Ruby on Rails para agregar, analizar e mostrar os resultados das eleições em quase tempo real em um de seus sites mais acessados de todos os tempos.” http://www.computerworld.com.au/article/268003/ruby_rails_rolls_into_enterprise?fp=16&fpid=1 Friday, August 7, 2009
    56. Ruby é Lento Friday, August 7, 2009
    57. x mais lento que C++ Friday, August 7, 2009
    58. x mais lento que C++ 0 50 100 Python 2 150 Ruby 1.9 200 Perl JRuby Python 3 PHP Ruby 1.8.6 Friday, August 7, 2009
    59. Homepage: 331 ms Friday, August 7, 2009
    60. Homepage: 331 ms Total: 5.45 s Friday, August 7, 2009
    61. Friday, August 7, 2009
    62. Performance != Escalabilidade Friday, August 7, 2009
    63. Ruby on Rails Friday, August 7, 2009
    64. Friday, August 7, 2009
    65. Código que gera Código Convention over Configuration Don’t Repeat Yourself Extreme Programming Friday, August 7, 2009
    66. Código que gera Código Convention over Configuration Don’t Repeat Yourself Extreme Programming Friday, August 7, 2009
    67. Código que gera Código Convention over Configuration Don’t Repeat Yourself Extreme Programming Friday, August 7, 2009
    68. Código que gera Código Convention over Configuration Don’t Repeat Yourself Extreme Programming Friday, August 7, 2009
    69. Friday, August 7, 2009
    70. Friday, August 7, 2009
    71. Friday, August 7, 2009
    72. Friday, August 7, 2009
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    78. Friday, August 7, 2009
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    80. Friday, August 7, 2009
    81. Friday, August 7, 2009
    82. Friday, August 7, 2009
    83. Model class Product < ActiveRecord::Base after_create :set_initial_inventory has_many :variants, :dependent => :destroy has_many :images, :as => :viewable, :order => :position, :dependent => :destroy has_many :properties, :through => :product_properties belongs_to :tax_category validates_presence_of :name validates_presence_of :master_price validates_presence_of :description make_permalink :with => :name, :field => :permalink end Friday, August 7, 2009
    84. Model class Product < ActiveRecord::Base after_create :set_initial_inventory has_many :variants, :dependent => :destroy has_many :images, :as => :viewable, :order => :position, :dependent => :destroy has_many :properties, :through => :product_properties belongs_to :tax_category validates_presence_of :name validates_presence_of :master_price validates_presence_of :description make_permalink :with => :name, :field => :permalink end Friday, August 7, 2009
    85. Model class Product < ActiveRecord::Base after_create :set_initial_inventory has_many :variants, :dependent => :destroy has_many :images, :as => :viewable, :order => :position, :dependent => :destroy has_many :properties, :through => :product_properties belongs_to :tax_category validates_presence_of :name validates_presence_of :master_price validates_presence_of :description make_permalink :with => :name, :field => :permalink end Friday, August 7, 2009
    86. Model class Product < ActiveRecord::Base after_create :set_initial_inventory has_many :variants, :dependent => :destroy has_many :images, :as => :viewable, :order => :position, :dependent => :destroy has_many :properties, :through => :product_properties belongs_to :tax_category validates_presence_of :name validates_presence_of :master_price validates_presence_of :description make_permalink :with => :name, :field => :permalink end Friday, August 7, 2009
    87. Model class Product < ActiveRecord::Base after_create :set_initial_inventory has_many :variants, :dependent => :destroy has_many :images, :as => :viewable, :order => :position, :dependent => :destroy has_many :properties, :through => :product_properties belongs_to :tax_category validates_presence_of :name validates_presence_of :master_price validates_presence_of :description make_permalink :with => :name, :field => :permalink end Friday, August 7, 2009
    88. Model class Product < ActiveRecord::Base after_create :set_initial_inventory has_many :variants, :dependent => :destroy has_many :images, :as => :viewable, :order => :position, :dependent => :destroy has_many :properties, :through => :product_properties belongs_to :tax_category validates_presence_of :name validates_presence_of :master_price validates_presence_of :description make_permalink :with => :name, :field => :permalink end Friday, August 7, 2009
    89. Model class Product < ActiveRecord::Base after_create :set_initial_inventory has_many :variants, :dependent => :destroy has_many :images, :as => :viewable, :order => :position, :dependent => :destroy has_many :properties, :through => :product_properties belongs_to :tax_category validates_presence_of :name validates_presence_of :master_price validates_presence_of :description make_permalink :with => :name, :field => :permalink end Friday, August 7, 2009
    90. Model class Product < ActiveRecord::Base after_create :set_initial_inventory has_many :variants, :dependent => :destroy has_many :images, :as => :viewable, :order => :position, :dependent => :destroy has_many :properties, :through => :product_properties belongs_to :tax_category validates_presence_of :name validates_presence_of :master_price validates_presence_of :description make_permalink :with => :name, :field => :permalink end Friday, August 7, 2009
    91. Model class Product < ActiveRecord::Base after_create :set_initial_inventory has_many :variants, :dependent => :destroy has_many :images, :as => :viewable, :order => :position, :dependent => :destroy has_many :properties, :through => :product_properties Product.find(1) belongs_to :tax_category validates_presence_of :name validates_presence_of :master_price validates_presence_of :description make_permalink :with => :name, :field => :permalink end Friday, August 7, 2009
    92. Views ERB <div id="product-listing"> <%= breadcrumbs(@taxon) %> <br/> <%= render :partial => "shared/products.html.erb", :locals => {:products => @products, :taxon => @taxon } %> </div> <% content_for :sidebar do %> <td id="shop-by-col" valign="top"> <%= render :partial => "shared/taxonomies" %> </td> <% end %> <%= render :partial => 'shared/paginate', :locals => {:collection => @products, :options => {}} unless @products.empty? %> Friday, August 7, 2009
    93. Views ERB <div id="product-listing"> <%= breadcrumbs(@taxon) %> <br/> <%= render :partial => "shared/products.html.erb", :locals => {:products => @products, :taxon => @taxon } %> </div> <% content_for :sidebar do %> <td id="shop-by-col" valign="top"> <%= render :partial => "shared/taxonomies" %> </td> <% end %> <%= render :partial => 'shared/paginate', :locals => {:collection => @products, :options => {}} unless @products.empty? %> Friday, August 7, 2009
    94. Views ERB <div id="product-listing"> <%= breadcrumbs(@taxon) %> <br/> <%= render :partial => "shared/products.html.erb", :locals => {:products => @products, :taxon => @taxon } %> </div> <% content_for :sidebar do %> <td id="shop-by-col" valign="top"> <%= render :partial => "shared/taxonomies" %> </td> <% end %> <%= render :partial => 'shared/paginate', :locals => {:collection => @products, :options => {}} unless @products.empty? %> Friday, August 7, 2009
    95. Rotas RESTFul ActionController::Routing::Routes.draw do |map| map.resources :products map.resources :addresses map.resources :orders, :has_many => [:line_items] map.namespace :admin do |admin| admin.resources :users admin.resources :products end end Friday, August 7, 2009
    96. Rotas RESTFul ActionController::Routing::Routes.draw do |map| map.resources :products map.resources :addresses map.resources :orders, :has_many => [:line_items] map.namespace :admin do |admin| admin.resources :users admin.resources :products end end Friday, August 7, 2009
    97. Rotas RESTFul ActionController::Routing::Routes.draw do |map| map.resources :products map.resources :addresses map.resources :orders, :has_many => [:line_items] map.namespace :admin do |admin| admin.resources :users admin.resources :products end end Friday, August 7, 2009
    98. Rotas RESTFul ActionController::Routing::Routes.draw do |map| map.resources :products map.resources :addresses map.resources :orders, :has_many => [:line_items] map.namespace :admin do |admin| admin.resources :users admin.resources :products end end Friday, August 7, 2009
    99. Rotas RESTFul GET /products/new ActionController::Routing::Routes.draw do |map| GET /products POST /products map.resources :products map.resources :addresses map.resourcesGET /products/1 => [:line_items] :orders, :has_many map.namespaceGET /products/1/edit :admin do |admin| PUT /products/1 admin.resources :users admin.resources :products end DESTROY /products/1 end Friday, August 7, 2009
    100. Controller class UsersController < Spree::BaseController resource_controller before_filter :initialize_extension_partials actions :all, :except => [:index, :destroy] show.before do @orders = Order.checkout_completed(true) .find_all_by_user_id(current_user.id) end create.after { self.current_user = @user } create.response do |wants| wants.html { redirect_back_or_default(products_path) } end end Friday, August 7, 2009
    101. Controller class UsersController < Spree::BaseController resource_controller before_filter :initialize_extension_partials actions :all, :except => [:index, :destroy] show.before do @orders = Order.checkout_completed(true) .find_all_by_user_id(current_user.id) end create.after { self.current_user = @user } create.response do |wants| wants.html { redirect_back_or_default(products_path) } end end Friday, August 7, 2009
    102. Controller class UsersController < Spree::BaseController resource_controller before_filter :initialize_extension_partials actions :all, :except => [:index, :destroy] show.before do @orders = Order.checkout_completed(true) .find_all_by_user_id(current_user.id) end create.after { self.current_user = @user } create.response do |wants| wants.html { redirect_back_or_default(products_path) } end end Friday, August 7, 2009
    103. Controller class UsersController < Spree::BaseController resource_controller before_filter :initialize_extension_partials actions :all, :except => [:index, :destroy] show.before do @orders = Order.checkout_completed(true) .find_all_by_user_id(current_user.id) end create.after { self.current_user = @user } create.response do |wants| wants.html { redirect_back_or_default(products_path) } end end Friday, August 7, 2009
    104. Controller class UsersController < Spree::BaseController resource_controller before_filter :initialize_extension_partials actions :all, :except => [:index, :destroy] show.before do @orders = Order.checkout_completed(true) /users/1 .find_all_by_user_id(current_user.id) end create.after { self.current_user = @user } create.response do |wants| wants.html { redirect_back_or_default(products_path) } end end Friday, August 7, 2009
    105. Migrations class RenameAppConfiguration < ActiveRecord::Migration def self.up rename_table :app_configurations, :configurations change_table :configurations do |t| t.string :type end end def self.down change_table :configurations do |t| t.remove :type end rename_table :configurations, :app_configurations end end Friday, August 7, 2009
    106. Migrations class RenameAppConfiguration < ActiveRecord::Migration def self.up rename_table :app_configurations, :configurations change_table :configurations do |t| t.string :type end end def self.down change_table :configurations do |t| t.remove :type end rename_table :configurations, :app_configurations end end Friday, August 7, 2009
    107. Migrations class RenameAppConfiguration < ActiveRecord::Migration def self.up rename_table :app_configurations, :configurations change_table :configurations do |t| t.string :type end end def self.down change_table :configurations do |t| t.remove :type end rename_table :configurations, :app_configurations end end Friday, August 7, 2009
    108. Migrations class RenameAppConfiguration < ActiveRecord::Migration def self.up rename_table :app_configurations, :configurations change_table :configurations do |t| t.string :type end end def self.down change_table :configurations do |t| t.remove :type end rename_table :configurations, :app_configurations end end Friday, August 7, 2009
    109. Migrations class RenameAppConfiguration < ActiveRecord::Migration def self.up rename_table :app_configurations, :configurations change_table :configurations do |t| t.string :type end end rake db:migrate def self.down change_table :configurations do |t| t.remove :type end rename_table :configurations, :app_configurations end end Friday, August 7, 2009
    110. Open Source Friday, August 7, 2009
    111. Friday, August 7, 2009
    112. describe BankAccount do before :each do @bank_account = BankAccount.new :balance => 250 end it "should not be valid" do @bank_account.should be_valid end it "should transfer funds successfully" do @bank_account.should_receive(:transfer) .with_args(:amount => 100) .and_return(true) @bank_account.execute_transaction(:amount => 100) @bank_account.balance.should == 150 end end Friday, August 7, 2009
    113. describe BankAccount do before :each do @bank_account = BankAccount.new :balance => 250 end it "should not be valid" do @bank_account.should be_valid end it "should transfer funds successfully" do @bank_account.should_receive(:transfer) .with_args(:amount => 100) .and_return(true) @bank_account.execute_transaction(:amount => 100) @bank_account.balance.should == 150 end end Friday, August 7, 2009
    114. describe BankAccount do before :each do @bank_account = BankAccount.new :balance => 250 end it "should not be valid" do @bank_account.should be_valid end it "should transfer funds successfully" do @bank_account.should_receive(:transfer) .with_args(:amount => 100) .and_return(true) @bank_account.execute_transaction(:amount => 100) @bank_account.balance.should == 150 end end Friday, August 7, 2009
    115. describe BankAccount do before :each do @bank_account = BankAccount.new :balance => 250 end it "should not be valid" do @bank_account.should be_valid end it "should transfer funds successfully" do @bank_account.should_receive(:transfer) .with_args(:amount => 100) .and_return(true) @bank_account.execute_transaction(:amount => 100) @bank_account.balance.should == 150 end end Friday, August 7, 2009
    116. Friday, August 7, 2009
    117. Funcionalidade: Adição Para evitar erros bobos Como um péssimo matemático Eu quero saber como somar dois números Cenário: Adicionar dois números Dado que eu digitei 50 na calculadora E que eu digitei 70 na calculadora Quando eu aperto o botão de soma Então o resultado na calculadora deve ser 120 Friday, August 7, 2009
    118. Funcionalidade: Adição Para evitar erros bobos Como um péssimo matemático Eu quero saber como somar dois números Cenário: Adicionar dois números Dado que eu digitei 50 na calculadora E que eu digitei 70 na calculadora Quando eu aperto o botão de soma Então o resultado na calculadora deve ser 120 Friday, August 7, 2009
    119. Before do @calc = Calculadora.new end Dado /que eu digitei (d+) na calculadora/ do |n| @calc.push n.to_i end Quando 'eu aperto o botão de soma' do @result = @calc.soma end Então /o resultado na calculadora deve ser (d*)/ do |result| @result.should == result.to_i end Friday, August 7, 2009
    120. Before do @calc = Calculadora.new end Dado /que eu digitei (d+) na calculadora/ do |n| @calc.push n.to_i end Quando 'eu aperto o botão de soma' do @result = @calc.soma end Então /o resultado na calculadora deve ser (d*)/ do |result| @result.should == result.to_i end Friday, August 7, 2009
    121. Before do @calc = Calculadora.new end Dado /que eu digitei (d+) na calculadora/ do |n| @calc.push n.to_i end Quando 'eu aperto o botão de soma' do @result = @calc.soma end Então /o resultado na calculadora deve ser (d*)/ do |result| @result.should == result.to_i end Friday, August 7, 2009
    122. Before do @calc = Calculadora.new end Dado /que eu digitei (d+) na calculadora/ do |n| @calc.push n.to_i end Quando 'eu aperto o botão de soma' do @result = @calc.soma end Então /o resultado na calculadora deve ser (d*)/ do |result| @result.should == result.to_i end Friday, August 7, 2009
    123. class SignupTest < ActionController::IntegrationTest def test_trial_account_sign_up visit home_path click_link "Sign up" fill_in "Email", :with => "good@example.com" select "Free account" click_button "Register" end end Friday, August 7, 2009
    124. Friday, August 7, 2009
    125. rspec rspec.info cucumber cukes.info shoulda thoughtbot.com/projects/shoulda webrat github.com/brynary/webrat integrity integrityapp.com ZenTest zenspider.com Friday, August 7, 2009
    126. • plugins de Active Record • plugins de Views • plugins de Localização • CMS • Parsers • Autenticadores/Autorizadores Friday, August 7, 2009
    127. “Beautiful Code” Friday, August 7, 2009
    128. @Transient public BigDecimal getTotal() //$Id: Booking.java 5579 2007-06-27 00:06:49Z gavin $ { package org.jboss.seam.example.booking; return hotel.getPrice().multiply( new BigDecimal( getNights() ) ); } import java.io.Serializable; import java.math.BigDecimal; @Transient import java.text.DateFormat; public int getNights() import java.util.Date; { return (int) ( checkoutDate.getTime() - checkinDate.getTime() ) / import javax.persistence.Basic; 1000 / 60 / 60 / 24; import javax.persistence.Entity; } import javax.persistence.GeneratedValue; import javax.persistence.Id; @Id @GeneratedValue import javax.persistence.ManyToOne; public Long getId() import javax.persistence.Temporal; { import javax.persistence.TemporalType; return id; import javax.persistence.Transient; } public void setId(Long id) import org.hibernate.validator.Length; { import org.hibernate.validator.NotNull; this.id = id; import org.hibernate.validator.Pattern; } import org.jboss.seam.annotations.Name; @NotNull @Entity @Basic @Temporal(TemporalType.DATE) @Name("booking") public Date getCheckinDate() public class Booking implements Serializable { { return checkinDate; private Long id; } private User user; public void setCheckinDate(Date datetime) private Hotel hotel; { private Date checkinDate; this.checkinDate = datetime; private Date checkoutDate; } private String creditCard; private String creditCardName; @ManyToOne @NotNull private int creditCardExpiryMonth; public Hotel getHotel() private int creditCardExpiryYear; { private boolean smoking; return hotel; private int beds; } public void setHotel(Hotel hotel) public Booking() {} { this.hotel = hotel; public Booking(Hotel hotel, User user) } { this.hotel = hotel; @ManyToOne @NotNull this.user = user; public User getUser() } { return user; } Friday, August 7, 2009
    129. public int getBeds() public void setUser(User user) { { return beds; this.user = user; } } public void setBeds(int beds) @Basic @Temporal(TemporalType.DATE) { @NotNull this.beds = beds; public Date getCheckoutDate() } { @NotNull(message="Credit card name is required") return checkoutDate; @Length(min=3, max=70, message="Credit card name is required") } public String getCreditCardName() public void setCheckoutDate(Date checkoutDate) { { return creditCardName; this.checkoutDate = checkoutDate; } } public void setCreditCardName(String creditCardName) @NotNull(message="Credit card number is required") { @Length(min=16, max=16, message="Credit card number must 16 digits long") this.creditCardName = creditCardName; @Pattern(regex="^d*$", message="Credit card number must be numeric") } public String getCreditCard() { public int getCreditCardExpiryMonth() return creditCard; { } return creditCardExpiryMonth; } public void setCreditCard(String creditCard) { public void setCreditCardExpiryMonth(int creditCardExpiryMonth) this.creditCard = creditCard; { } this.creditCardExpiryMonth = creditCardExpiryMonth; } @Transient public String getDescription() public int getCreditCardExpiryYear() { { DateFormat df = DateFormat.getDateInstance(DateFormat.MEDIUM); return creditCardExpiryYear; return hotel==null ? null : hotel.getName() + } ", " + df.format( getCheckinDate() ) + " to " + df.format( getCheckoutDate() ); public void setCreditCardExpiryYear(int creditCardExpiryYear) } { this.creditCardExpiryYear = creditCardExpiryYear; public boolean isSmoking() } { return smoking; @Override } public String toString() { public void setSmoking(boolean smoking) return "Booking(" + user + ","+ hotel + ")"; { } this.smoking = smoking; } } Friday, August 7, 2009
    130. class Booking < ActiveRecord::Base belongs_to :hotel belongs_to :user validates_presence_of :hotel validates_presence_of :user validates_presence_of :credit_card validates_presence_of :credit_card_name validates_length_of :credit_card, :within => 16..16 validates_format_of :credit_card, :with => /^d*$/ validates_length_of :credit_card_name, :within => 3..70 def total hotel.price * nights end def nights ((checkout_date - checkin_date) / 1.day).round end def to_s "Booking(#{user},#{hotel})" end end Friday, August 7, 2009
    131. class Booking < ActiveRecord::Base belongs_to :hotel belongs_to :user validates_presence_of :hotel validates_presence_of :user validates_presence_of :credit_card validates_presence_of :credit_card_name validates_length_of :credit_card, :within => 16..16 validates_format_of :credit_card, :with => /^d*$/ validates_length_of :credit_card_name, :within => 3..70 def total hotel.price * nights end def nights ((checkout_date - checkin_date) / 1.day).round end def to_s "Booking(#{user},#{hotel})" end end Friday, August 7, 2009
    132. class CreateBookings < ActiveRecord::Migration def self.up create_table :bookings do |t| t.references :user t.references :hotel t.datetime :checkin t.datetime :checkout t.string :credit_card t.string :credit_card_name t.integer :credit_card_expiry_month t.integer :credit_card_expiry_year t.boolean :smoking t.integer :beds t.timestamps end end def self.down drop_table :bookings end end Friday, August 7, 2009
    133. class CreateBookings < ActiveRecord::Migration def self.up create_table :bookings do |t| t.references :user t.references :hotel t.datetime :checkin t.datetime :checkout t.string :credit_card t.string :credit_card_name t.integer :credit_card_expiry_month t.integer :credit_card_expiry_year t.boolean :smoking t.integer :beds t.timestamps end end def self.down drop_table :bookings end end Friday, August 7, 2009
    134. class CreateBookings < ActiveRecord::Migration def self.up create_table :bookings do |t| t.references :user t.references :hotel t.datetime :checkin t.datetime :checkout t.string :credit_card t.string :credit_card_name t.integer :credit_card_expiry_month t.integer :credit_card_expiry_year t.boolean :smoking t.integer :beds t.timestamps end end def self.down drop_table :bookings end end Friday, August 7, 2009
    135. 190 vs 40 Friday, August 7, 2009
    136. “Eles servem mais de 23 milhões de visitantes/mês. A conversão resultou em 20 mil linhas de Ruby em vez de 125 mil linhas de Java e, mais importante, facilitou a dificuldade que tinham em manutenção. Eles também finalizaram a reescrita do sistema em apenas 3 meses com 4 desenvolvedores. Uma vez completo e otimizado, o site deles agora é mais rápido que antes.” http://www.railsonwave.com/railsonwave/2008/6/4/yellowpages-com-migrates-to-rails Friday, August 7, 2009
    137. “Eles servem mais de 23 milhões de visitantes/mês. A conversão resultou em 20 mil linhas de Ruby em vez de 125 mil linhas de Java e, mais importante, facilitou a dificuldade que tinham em manutenção. Eles também finalizaram a reescrita do sistema em apenas 3 meses com 4 desenvolvedores. Uma vez completo e otimizado, o site deles agora é mais rápido que antes.” http://www.railsonwave.com/railsonwave/2008/6/4/yellowpages-com-migrates-to-rails Friday, August 7, 2009
    138. “Eles servem mais de 23 milhões de visitantes/mês. A conversão resultou em 20 mil linhas de Ruby em vez de 125 mil linhas de Java e, mais importante, facilitou a dificuldade que tinham em manutenção. Eles também finalizaram a reescrita do sistema em apenas 3 meses com 4 desenvolvedores. Uma vez completo e otimizado, o site deles agora é mais rápido que antes.” http://www.railsonwave.com/railsonwave/2008/6/4/yellowpages-com-migrates-to-rails Friday, August 7, 2009
    139. “Eles servem mais de 23 milhões de visitantes/mês. A conversão resultou em 20 mil linhas de Ruby em vez de 125 mil linhas de Java e, mais importante, facilitou a dificuldade que tinham em manutenção. Eles também finalizaram a reescrita do sistema em apenas 3 meses com 4 desenvolvedores. Uma vez completo e otimizado, o site deles agora é mais rápido que antes.” http://www.railsonwave.com/railsonwave/2008/6/4/yellowpages-com-migrates-to-rails Friday, August 7, 2009
    140. Friday, August 7, 2009
    141. 11 mil classes! 46 só de coleções! Friday, August 7, 2009
    142. • Classes: • Modules: • Array • Enumerable • Hash • Comparable • Set • Sorted Set Friday, August 7, 2009
    143. 1.400 Classes: • classesArray • Modules: • • Enumerable • Hash • Comparable 6 de Set só • • Sorted coleções! Set Friday, August 7, 2009
    144. Mitos? Friday, August 7, 2009
    145. Friday, August 7, 2009
    146. Mais Produtivo “Melhor” Anti-legado Friday, August 7, 2009
    147. Mais Produtivo “Melhor” Anti-legado Friday, August 7, 2009
    148. Mais Produtivo “Melhor” Anti-legado Friday, August 7, 2009
    149. Agilidade Friday, August 7, 2009
    150. Friday, August 7, 2009
    151. Robert C. Martin Friday, August 7, 2009
    152. “Uncle Bob” Friday, August 7, 2009
    153. Código Limpo Friday, August 7, 2009
    154. Friday, August 7, 2009
    155. Test Driven Development Friday, August 7, 2009
    156. Friday, August 7, 2009
    157. Ferramentas Ágeis Friday, August 7, 2009
    158. Gerenciamento Friday, August 7, 2009
    159. Friday, August 7, 2009
    160. Friday, August 7, 2009
    161. Friday, August 7, 2009
    162. Repositórios Friday, August 7, 2009
    163. Friday, August 7, 2009
    164. Friday, August 7, 2009
    165. Integração Contínua Friday, August 7, 2009
    166. Friday, August 7, 2009
    167. Friday, August 7, 2009
    168. Friday, August 7, 2009
    169. Deployment Friday, August 7, 2009
    170. Friday, August 7, 2009
    171. Friday, August 7, 2009
    172. Friday, August 7, 2009
    173. Monitoramento Friday, August 7, 2009
    174. Friday, August 7, 2009
    175. Friday, August 7, 2009
    176. Friday, August 7, 2009
    177. Comunidade Friday, August 7, 2009
    178. peepcode.com Geoffrey Friday, August 7, 2009
    179. railsenvy.com Jason e Gregg Friday, August 7, 2009
    180. railscasts.com Ryan Bates Friday, August 7, 2009
    181. guias.rubyonrails.pro.br Pratik Naik Friday, August 7, 2009
    182. rubylearning.org Satish Talim Friday, August 7, 2009
    183. rubyinside.com.br Peter Cooper Friday, August 7, 2009
    184. why.nomedojogo.com _why Friday, August 7, 2009
    185. Friday, August 7, 2009
    186. Friday, August 7, 2009
    187. Friday, August 7, 2009
    188. Friday, August 7, 2009
    189. Friday, August 7, 2009
    190. Friday, August 7, 2009
    191. Friday, August 7, 2009
    192. Obrigado! akitaonrails.com Friday, August 7, 2009

    + Fabio AkitaFabio Akita, 3 months ago

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