Search

Enecomp 2009

Loading...

Flash Player 9 (or above) is needed to view presentations.
We have detected that you do not have it on your computer. To install it, go here.

0 comments

Post a comment

    Post a comment
    Embed Video
    Edit your comment Cancel

    Notes on slide 1

    1 Favorite

    Enecomp 2009 - Presentation Transcript

    1. Ruby on Rails Tuesday, September 8, 2009
    2. AkitaOnRails.com slideshare.net/akitaonrails Tuesday, September 8, 2009
    3. 2008 Tuesday, September 8, 2009
    4. 2008 Tuesday, September 8, 2009
    5. 13 e 14 Outubro 2009 Tuesday, September 8, 2009
    6. Tuesday, September 8, 2009
    7. > 100 slides < 1 hora Tuesday, September 8, 2009
    8. www.slideshare.net/akitaonrails fabio.akita@locaweb.com.br Tuesday, September 8, 2009
    9. Tuesday, September 8, 2009
    10. Tuesday, September 8, 2009
    11. Tuesday, September 8, 2009
    12. Ruby on Rails 2.3 Ruby 1.8 “Novo” Ruby 1.9 Tuesday, September 8, 2009
    13. Ruby on Rails 2.3 Ruby 1.8 “Novo” Ruby 1.9 Tuesday, September 8, 2009
    14. Ruby on Rails 2.3 Ruby 1.8 “Novo” Ruby 1.9 Tuesday, September 8, 2009
    15. “Matz” 1993 Tuesday, September 8, 2009
    16. Tuesday, September 8, 2009
    17. “Prag Dave” 2001 Tuesday, September 8, 2009
    18. Tuesday, September 8, 2009
    19. “DHH” 2004 Tuesday, September 8, 2009
    20. Tuesday, September 8, 2009
    21. Tuesday, September 8, 2009
    22. Charles Nutter 2006 Tuesday, September 8, 2009
    23. Tuesday, September 8, 2009
    24. Tuesday, September 8, 2009
    25. Tuesday, September 8, 2009
    26. Tuesday, September 8, 2009
    27. “Tornar as coisas simples fáceis e as coisas complexas possíveis” Filosofia Ruby Tuesday, September 8, 2009
    28. Tuesday, September 8, 2009
    29. Tuesday, September 8, 2009
    30. Tuesday, September 8, 2009
    31. Tuesday, September 8, 2009
    32. Orientação a Objetos Tuesday, September 8, 2009
    33. Tuesday, September 8, 2009
    34. Tuesday, September 8, 2009
    35. Tuesday, September 8, 2009
    36. “Eu inventei o termo ‘orientação a objetos’, e posso lhes dizer que eu não estava pensando em C++.” Tuesday, September 8, 2009
    37. Meta-programação Tuesday, September 8, 2009
    38. Meta-apresentação Tuesday, September 8, 2009
    39. Tuesday, September 8, 2009
    40. Ruby on Rails Tuesday, September 8, 2009
    41. Código que gera Código Convention over Configuration Don’t Repeat Yourself Extreme Programming Tuesday, September 8, 2009
    42. Código que gera Código Convention over Configuration Don’t Repeat Yourself Extreme Programming Tuesday, September 8, 2009
    43. Código que gera Código Convention over Configuration Don’t Repeat Yourself Extreme Programming Tuesday, September 8, 2009
    44. Código que gera Código Convention over Configuration Don’t Repeat Yourself Extreme Programming Tuesday, September 8, 2009
    45. Tuesday, September 8, 2009
    46. Tuesday, September 8, 2009
    47. Tuesday, September 8, 2009
    48. Tuesday, September 8, 2009
    49. Tuesday, September 8, 2009
    50. Tuesday, September 8, 2009
    51. Tuesday, September 8, 2009
    52. Tuesday, September 8, 2009
    53. Tuesday, September 8, 2009
    54. Tuesday, September 8, 2009
    55. Tuesday, September 8, 2009
    56. Tuesday, September 8, 2009
    57. Tuesday, September 8, 2009
    58. Tuesday, September 8, 2009
    59. 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 Tuesday, September 8, 2009
    60. 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 Tuesday, September 8, 2009
    61. 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 Tuesday, September 8, 2009
    62. 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 Tuesday, September 8, 2009
    63. 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 Tuesday, September 8, 2009
    64. 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 Tuesday, September 8, 2009
    65. 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 Tuesday, September 8, 2009
    66. 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? %> Tuesday, September 8, 2009
    67. 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? %> Tuesday, September 8, 2009
    68. 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? %> Tuesday, September 8, 2009
    69. 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 Tuesday, September 8, 2009
    70. 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 Tuesday, September 8, 2009
    71. 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 Tuesday, September 8, 2009
    72. 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 Tuesday, September 8, 2009
    73. 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 Tuesday, September 8, 2009
    74. 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 Tuesday, September 8, 2009
    75. 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 Tuesday, September 8, 2009
    76. 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 Tuesday, September 8, 2009
    77. “Beautiful Code” Tuesday, September 8, 2009
    78. @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; } Tuesday, September 8, 2009
    79. 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*$", message="Credit card number must be numeric") } public String getCreditCard() { public int getCreditCardExpiryMonth() return creditCard; { } return creditCardExpiryMonth; } public void setCreditCard(String creditCard) { public void setCreditCardExpiryMonth(int creditCardExpiryMonth) this.creditCard = creditCard; { } this.creditCardExpiryMonth = creditCardExpiryMonth; } @Transient public String getDescription() public int getCreditCardExpiryYear() { { DateFormat df = DateFormat.getDateInstance(DateFormat.MEDIUM); return creditCardExpiryYear; return hotel==null ? null : hotel.getName() + } ", " + df.format( getCheckinDate() ) + " to " + df.format( getCheckoutDate() ); public void setCreditCardExpiryYear(int creditCardExpiryYear) } { this.creditCardExpiryYear = creditCardExpiryYear; public boolean isSmoking() } { return smoking; @Override } public String toString() { public void setSmoking(boolean smoking) return "Booking(" + user + ","+ hotel + ")"; { } this.smoking = smoking; } } Tuesday, September 8, 2009
    80. class Booking < ActiveRecord::Base belongs_to :hotel belongs_to :user validates_presence_of :hotel validates_presence_of :user validates_presence_of :credit_card validates_presence_of :credit_card_name validates_length_of :credit_card, :within => 16..16 validates_format_of :credit_card, :with => /^d*$/ 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 Tuesday, September 8, 2009
    81. 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 Tuesday, September 8, 2009
    82. 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 Tuesday, September 8, 2009
    83. 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 Tuesday, September 8, 2009
    84. 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 Tuesday, September 8, 2009
    85. 190 vs 40 Tuesday, September 8, 2009
    86. “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 Tuesday, September 8, 2009
    87. “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 Tuesday, September 8, 2009
    88. “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 Tuesday, September 8, 2009
    89. “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 Tuesday, September 8, 2009
    90. Ferramentas Ágeis Tuesday, September 8, 2009
    91. Gitorious Repositórios Github Integração Integrity Contínua Cruise Control Capistrano Deployment Puppet Monitoramento New Relic Tuesday, September 8, 2009
    92. Gitorious Repositórios Github Integração Integrity Contínua Cruise Control Capistrano Deployment Puppet Monitoramento New Relic Tuesday, September 8, 2009
    93. Gitorious Repositórios Github Integração Integrity Contínua Cruise Control Capistrano Deployment Puppet Monitoramento New Relic Tuesday, September 8, 2009
    94. Gitorious Repositórios Github Integração Integrity Contínua Cruise Control Capistrano Deployment Puppet Monitoramento New Relic Tuesday, September 8, 2009
    95. Comunidade Tuesday, September 8, 2009
    96. peepcode.com Geoffrey Tuesday, September 8, 2009
    97. railsenvy.com Jason e Gregg Tuesday, September 8, 2009
    98. railscasts.com Ryan Bates Tuesday, September 8, 2009
    99. rubylearning.org Satish Talim Tuesday, September 8, 2009
    100. rubyinside.com.br Peter Cooper Tuesday, September 8, 2009
    101. Tuesday, September 8, 2009
    102. Tuesday, September 8, 2009
    103. Tuesday, September 8, 2009
    104. Tuesday, September 8, 2009
    105. Tuesday, September 8, 2009
    106. O que dizem por aí ... Tuesday, September 8, 2009
    107. Pouco usado Tuesday, September 8, 2009
    108. Tuesday, September 8, 2009
    109. Tuesday, September 8, 2009
    110. Tuesday, September 8, 2009
    111. Tuesday, September 8, 2009
    112. Tuesday, September 8, 2009
    113. Tuesday, September 8, 2009
    114. Rails não Escala Tuesday, September 8, 2009
    115. Tuesday, September 8, 2009
    116. Tuesday, September 8, 2009
    117. Blaine Cook http://www.akitaonrails.com/2008/6/17/chatting-with-blaine-cook-twitter Tuesday, September 8, 2009
    118. 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 Tuesday, September 8, 2009
    119. 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 Tuesday, September 8, 2009
    120. “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 Tuesday, September 8, 2009
    121. “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 Tuesday, September 8, 2009
    122. Ruby é Lento Tuesday, September 8, 2009
    123. x mais lento que C++ Tuesday, September 8, 2009
    124. x mais lento que C++ 0 50 100 Python 2 150 Ruby 1.9 200 Perl JRuby Python 3 PHP Ruby 1.8.6 Tuesday, September 8, 2009
    125. Homepage: 331 ms Tuesday, September 8, 2009
    126. Homepage: 331 ms Total: 5.45 s Tuesday, September 8, 2009
    127. Tuesday, September 8, 2009
    128. Performance != Escalabilidade Tuesday, September 8, 2009
    129. Outros Mitos? Tuesday, September 8, 2009
    130. Tuesday, September 8, 2009
    131. Mais Produtivo “Melhor” Anti-legado Tuesday, September 8, 2009
    132. Mais Produtivo “Melhor” Anti-legado Tuesday, September 8, 2009
    133. Mais Produtivo “Melhor” Anti-legado Tuesday, September 8, 2009
    134. Agilidade Tuesday, September 8, 2009
    135. Tuesday, September 8, 2009
    136. Robert C. Martin Tuesday, September 8, 2009
    137. “Uncle Bob” Tuesday, September 8, 2009
    138. Código Limpo Tuesday, September 8, 2009
    139. Tuesday, September 8, 2009
    140. Test Driven Development Tuesday, September 8, 2009
    141. Tuesday, September 8, 2009
    142. 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 Tuesday, September 8, 2009
    143. 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 Tuesday, September 8, 2009
    144. 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 Tuesday, September 8, 2009
    145. 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 Tuesday, September 8, 2009
    146. Tuesday, September 8, 2009
    147. 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 Tuesday, September 8, 2009
    148. 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 Tuesday, September 8, 2009
    149. Tuesday, September 8, 2009
    150. Tuesday, September 8, 2009
    151. Não é mais demorado? Tuesday, September 8, 2009
    152. Cowboy Profissional Tuesday, September 8, 2009
    153. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    154. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    155. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    156. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    157. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    158. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    159. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    160. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    161. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    162. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    163. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    164. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    165. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    166. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    167. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    168. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    169. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    170. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    171. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    172. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    173. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    174. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    175. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    176. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    177. Cowboy Profissional 70.00 52.50 Produtividade 35.00 17.50 0 1 2 3 4 5 6 7 8 9 10 11 12 Tempo Tuesday, September 8, 2009
    178. Tuesday, September 8, 2009
    179. Tuesday, September 8, 2009
    180. 237 Equipes 137 Finalizadas Tuesday, September 8, 2009
    181. Tuesday, September 8, 2009
    182. Empreendedorismo Código e “Forma” Ciclo de Vida de Projetos Comunidade Open Source Tuesday, September 8, 2009
    183. Empreendedorismo Código e “Forma” Ciclo de Vida de Projetos Comunidade Open Source Tuesday, September 8, 2009
    184. Empreendedorismo Código e “Forma” Ciclo de Vida de Projetos Comunidade Open Source Tuesday, September 8, 2009
    185. Empreendedorismo Código e “Forma” Ciclo de Vida de Projetos Comunidade Open Source Tuesday, September 8, 2009
    186. Profissionalismo Tuesday, September 8, 2009
    187. Tuesday, September 8, 2009
    188. Obrigado! akitaonrails.com railssummit.com.br Tuesday, September 8, 2009

    + Fabio AkitaFabio Akita, 2 months ago

    custom

    361 views, 1 favs, 0 embeds more stats

    Minha palestra de introdução à cultura e ecossis more

    More info about this document

    © All Rights Reserved

    Go to text version

    • Total Views 361
      • 361 on SlideShare
      • 0 from embeds
    • Comments 0
    • Favorites 1
    • Downloads 15
    Most viewed embeds

    more

    All embeds

    less

    Flagged as inappropriate Flag as inappropriate
    Flag as inappropriate

    Select your reason for flagging this presentation as inappropriate. If needed, use the feedback form to let us know more details.

    Cancel
    File a copyright complaint
    Having problems? Go to our helpdesk?

    Categories

    Tags

    -->
    Search
    RSS Feed
    What's new?

    © 2009 SlideShare Inc. All Rights Reserved