enecomp 2009
DESCRIPTION
Minha palestra de introdução à cultura e ecossistema Ruby on Rails que dei na Enecomp 2009, em Curitiba, Paraná.TRANSCRIPT
Ruby on RailsTuesday, September 8, 2009
AkitaOnRails.comslideshare.net/akitaonrails
Tuesday, September 8, 2009
2008Tuesday, September 8, 2009
2008Tuesday, September 8, 2009
13 e 14Outubro
2009Tuesday, September 8, 2009
Tuesday, September 8, 2009
> 100 slides< 1 hora
Tuesday, September 8, 2009
www.slideshare.net/akitaonrails
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Ruby on Rails 2.3
Ruby 1.8
“Novo” Ruby 1.9
Tuesday, September 8, 2009
Ruby on Rails 2.3
Ruby 1.8
“Novo” Ruby 1.9
Tuesday, September 8, 2009
Ruby on Rails 2.3
Ruby 1.8
“Novo” Ruby 1.9
Tuesday, September 8, 2009
1993
“Matz”
Tuesday, September 8, 2009
Tuesday, September 8, 2009
2001
“Prag Dave”
Tuesday, September 8, 2009
Tuesday, September 8, 2009
2004
“DHH”
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
2006
Charles Nutter
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
“Tornar as coisas
simples fáceis e as
coisas complexas
possíveis”
Filosofia Ruby
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Orientação a Objetos
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
“Eu inventei o termo ‘orientação a objetos’, e posso
lhes dizer que eu não estava
pensando em C++.”
Tuesday, September 8, 2009
Meta-programação
Tuesday, September 8, 2009
Meta-apresentação
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Ruby on Rails
Tuesday, September 8, 2009
Código que gera Código
Convention over Configuration
Don’t Repeat Yourself
Extreme Programming
Tuesday, September 8, 2009
Código que gera Código
Convention over Configuration
Don’t Repeat Yourself
Extreme Programming
Tuesday, September 8, 2009
Código que gera Código
Convention over Configuration
Don’t Repeat Yourself
Extreme Programming
Tuesday, September 8, 2009
Código que gera Código
Convention over Configuration
Don’t Repeat Yourself
Extreme Programming
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
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 => :permalinkend
Model
Tuesday, September 8, 2009
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 => :permalinkend
Model
Tuesday, September 8, 2009
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 => :permalinkend
Model
Tuesday, September 8, 2009
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 => :permalinkend
Model
Tuesday, September 8, 2009
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 => :permalinkend
Model
Tuesday, September 8, 2009
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 => :permalinkend
Model
Tuesday, September 8, 2009
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 => :permalinkend
Model
Tuesday, September 8, 2009
<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? %>
Views ERB
Tuesday, September 8, 2009
<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? %>
Views ERB
Tuesday, September 8, 2009
<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? %>
Views ERB
Tuesday, September 8, 2009
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 endend
Rotas RESTFul
Tuesday, September 8, 2009
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 endend
Rotas RESTFul
Tuesday, September 8, 2009
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 endend
Rotas RESTFul
Tuesday, September 8, 2009
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 endend
Rotas RESTFul
Tuesday, September 8, 2009
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 endend
Rotas RESTFul
GET /products/newGET /productsPOST /productsGET /products/1GET /products/1/editPUT /products/1DESTROY /products/1
Tuesday, September 8, 2009
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
Controller
Tuesday, September 8, 2009
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
Controller
Tuesday, September 8, 2009
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
Controller
Tuesday, September 8, 2009
“Beautiful Code”
Tuesday, September 8, 2009
//$Id: Booking.java 5579 2007-06-27 00:06:49Z gavin $package org.jboss.seam.example.booking;
import java.io.Serializable;import java.math.BigDecimal;import java.text.DateFormat;import java.util.Date;
import javax.persistence.Basic;import javax.persistence.Entity;import javax.persistence.GeneratedValue;import javax.persistence.Id;import javax.persistence.ManyToOne;import javax.persistence.Temporal;import javax.persistence.TemporalType;import javax.persistence.Transient;
import org.hibernate.validator.Length;import org.hibernate.validator.NotNull;import org.hibernate.validator.Pattern;import org.jboss.seam.annotations.Name;
@Entity@Name("booking")public class Booking implements Serializable{ private Long id; private User user; private Hotel hotel; private Date checkinDate; private Date checkoutDate; private String creditCard; private String creditCardName; private int creditCardExpiryMonth; private int creditCardExpiryYear; private boolean smoking; private int beds; public Booking() {} public Booking(Hotel hotel, User user) { this.hotel = hotel; this.user = user; }
@Transient public BigDecimal getTotal() { return hotel.getPrice().multiply( new BigDecimal( getNights() ) ); }
@Transient public int getNights() { return (int) ( checkoutDate.getTime() - checkinDate.getTime() ) / 1000 / 60 / 60 / 24; }
@Id @GeneratedValue public Long getId() { return id; } public void setId(Long id) { this.id = id; } @NotNull @Basic @Temporal(TemporalType.DATE) public Date getCheckinDate() { return checkinDate; } public void setCheckinDate(Date datetime) { this.checkinDate = datetime; }
@ManyToOne @NotNull public Hotel getHotel() { return hotel; } public void setHotel(Hotel hotel) { this.hotel = hotel; } @ManyToOne @NotNull public User getUser() { return user; }
Tuesday, September 8, 2009
public void setUser(User user) { this.user = user; } @Basic @Temporal(TemporalType.DATE) @NotNull public Date getCheckoutDate() { return checkoutDate; } public void setCheckoutDate(Date checkoutDate) { this.checkoutDate = checkoutDate; } @NotNull(message="Credit card number is required") @Length(min=16, max=16, message="Credit card number must 16 digits long") @Pattern(regex="^\\d*$", message="Credit card number must be numeric") public String getCreditCard() { return creditCard; }
public void setCreditCard(String creditCard) { this.creditCard = creditCard; } @Transient public String getDescription() { DateFormat df = DateFormat.getDateInstance(DateFormat.MEDIUM); return hotel==null ? null : hotel.getName() + ", " + df.format( getCheckinDate() ) + " to " + df.format( getCheckoutDate() ); }
public boolean isSmoking() { return smoking; }
public void setSmoking(boolean smoking) { this.smoking = smoking; }
public int getBeds() { return beds; }
public void setBeds(int beds) { this.beds = beds; } @NotNull(message="Credit card name is required") @Length(min=3, max=70, message="Credit card name is required") public String getCreditCardName() { return creditCardName; }
public void setCreditCardName(String creditCardName) { this.creditCardName = creditCardName; }
public int getCreditCardExpiryMonth() { return creditCardExpiryMonth; }
public void setCreditCardExpiryMonth(int creditCardExpiryMonth) { this.creditCardExpiryMonth = creditCardExpiryMonth; }
public int getCreditCardExpiryYear() { return creditCardExpiryYear; }
public void setCreditCardExpiryYear(int creditCardExpiryYear) { this.creditCardExpiryYear = creditCardExpiryYear; } @Override public String toString() { return "Booking(" + user + ","+ hotel + ")"; }
}
Tuesday, September 8, 2009
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*$/ validates_length_of :credit_card_name, :within => 3..70 def total hotel.price * nights end def nights ((checkout_date - checkin_date) / 1.day).round end def to_s "Booking(#{user},#{hotel})" endend
Tuesday, September 8, 2009
class Booking < ActiveRecord::Base belongs_to :hotel belongs_to :user validates_presence_of :hotel validates_presence_of :user validates_presence_of :credit_card validates_presence_of :credit_card_name validates_length_of :credit_card, :within => 16..16 validates_format_of :credit_card, :with => /^\\d*$/ 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})" endend
Tuesday, September 8, 2009
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 endend
Tuesday, September 8, 2009
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 endend
Tuesday, September 8, 2009
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 endend
Tuesday, September 8, 2009
190vs
40
Tuesday, September 8, 2009
http://www.railsonwave.com/railsonwave/2008/6/4/yellowpages-com-migrates-to-rails
“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.”
Tuesday, September 8, 2009
http://www.railsonwave.com/railsonwave/2008/6/4/yellowpages-com-migrates-to-rails
“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.”
Tuesday, September 8, 2009
http://www.railsonwave.com/railsonwave/2008/6/4/yellowpages-com-migrates-to-rails
“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.”
Tuesday, September 8, 2009
http://www.railsonwave.com/railsonwave/2008/6/4/yellowpages-com-migrates-to-rails
“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.”
Tuesday, September 8, 2009
Ferramentas Ágeis
Tuesday, September 8, 2009
RepositóriosGitorious
Github
Integração
Contínua
Integrity
Cruise Control
DeploymentCapistrano
Puppet
Monitoramento New Relic
Tuesday, September 8, 2009
RepositóriosGitorious
Github
Integração
Contínua
Integrity
Cruise Control
DeploymentCapistrano
Puppet
Monitoramento New Relic
Tuesday, September 8, 2009
RepositóriosGitorious
Github
Integração
Contínua
Integrity
Cruise Control
DeploymentCapistrano
Puppet
Monitoramento New Relic
Tuesday, September 8, 2009
RepositóriosGitorious
Github
Integração
Contínua
Integrity
Cruise Control
DeploymentCapistrano
Puppet
Monitoramento New Relic
Tuesday, September 8, 2009
Comunidade
Tuesday, September 8, 2009
Geoffrey
peepcode.com
Tuesday, September 8, 2009
Jason e Gregg
railsenvy.com
Tuesday, September 8, 2009
Ryan Bates
railscasts.com
Tuesday, September 8, 2009
Satish Talim
rubylearning.org
Tuesday, September 8, 2009
Peter Cooper
rubyinside.com.br
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
O que dizempor aí ...
Tuesday, September 8, 2009
Pouco usado
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Rails não Escala
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Blaine Cook
http://www.akitaonrails.com/2008/6/17/chatting-with-blaine-cook-twitter
Tuesday, September 8, 2009
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
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
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.
Tuesday, September 8, 2009
http://www.computerworld.com.au/article/268003/ruby_rails_rolls_into_enterprise?fp=16&fpid=1
“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.”
Tuesday, September 8, 2009
http://www.computerworld.com.au/article/268003/ruby_rails_rolls_into_enterprise?fp=16&fpid=1
“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.”
Tuesday, September 8, 2009
Ruby é Lento
Tuesday, September 8, 2009
x mais lento que C++
Tuesday, September 8, 2009
0
50
100
150
200
Python 2
Ruby 1.9
Perl
JRuby
Python 3
PHP
Ruby 1.8.6
x mais lento que C++
Tuesday, September 8, 2009
Homepage: 331 ms
Tuesday, September 8, 2009
Homepage: 331 ms
Total: 5.45 s
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Performance
!=Escalabilidade
Tuesday, September 8, 2009
Outros Mitos?
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Mais Produtivo
“Melhor”
Anti-legado
Tuesday, September 8, 2009
Mais Produtivo
“Melhor”
Anti-legado
Tuesday, September 8, 2009
Mais Produtivo
“Melhor”
Anti-legado
Tuesday, September 8, 2009
Agilidade
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Robert C. Martin
Tuesday, September 8, 2009
“Uncle Bob”
Tuesday, September 8, 2009
Código Limpo
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Test Driven Development
Tuesday, September 8, 2009
Tuesday, September 8, 2009
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 endend
Tuesday, September 8, 2009
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 endend
Tuesday, September 8, 2009
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 endend
Tuesday, September 8, 2009
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 endend
Tuesday, September 8, 2009
Tuesday, September 8, 2009
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
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
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Não é mais demorado?
Tuesday, September 8, 2009
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
1 2 3 4 5 6 7 8 9 10 11 120
17.50
35.00
52.50
70.00
Prod
utiv
idad
e
Tempo
Cowboy Profissional
Produtividade
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Tuesday, September 8, 2009
237 Equipes137 Finalizadas
Tuesday, September 8, 2009
Tuesday, September 8, 2009
Empreendedorismo
Código e “Forma”
Ciclo de Vida de Projetos
Comunidade Open Source
Tuesday, September 8, 2009
Empreendedorismo
Código e “Forma”
Ciclo de Vida de Projetos
Comunidade Open Source
Tuesday, September 8, 2009
Empreendedorismo
Código e “Forma”
Ciclo de Vida de Projetos
Comunidade Open Source
Tuesday, September 8, 2009
Empreendedorismo
Código e “Forma”
Ciclo de Vida de Projetos
Comunidade Open Source
Tuesday, September 8, 2009
Profissionalismo
Tuesday, September 8, 2009
Tuesday, September 8, 2009
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Tuesday, September 8, 2009