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ruby on rails ceunsp

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@lucasrenan

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http://nudesign.com.br

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http://aiesec.org.br/sorocaba

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http://slideshare.net/akitaonrails

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linguagem de programação

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yukihiro matsumoto

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puramente orientada a objetos

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str = "ruby" puts str.class # String

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str = "ruby" puts str.class # String int = 100 puts int.class # Fixnum

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str = "ruby" puts str.class # String int = 100 puts int.class # Fixnum puts nil.class # NilClass

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framework web apps

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david heinemeier hansson

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ruby é lento?

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produtividade e felicidade

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Model View Controller

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$ gem install rails

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~ 45 mil bibliotecas

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framework modular

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# application.rb # Pick the frameworks you want: # require "active_record/railtie" require "action_controller/railtie" require "action_mailer/railtie" require "active_resource/railtie" require "sprockets/railtie" # require "rails/test_unit/railtie"

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active record bancos relacionais

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infraestrutura

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web server nginx, apache

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app server unicorn, passenger, puma

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Test Driven Development

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RSpec

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describe Order do it "sums the prices of items" do order = Order.new order.add_entry(Item.new( :price => Money.new(1.11, :USD) )) order.add_entry(Item.new( :price => Money.new(2.22, :USD), :quantity => 2 )) order.total.should eq(Money.new(5.55, :USD)) end end

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"Describe an order." "It sums the prices of items."

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como aprender?

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comunidade

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GURU Sorocaba

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obrigado :)