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Rubinai ant bėgių

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DOMAS BITVINSKAS domasbitvinskas.com @Nedomas

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kodėl?

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! ! ! ! !

F-18 jet ﬁghter with Ruby

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Talks

F-18 jet ﬁghter with Ruby

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The Kids Aren’t Alright on TODAY

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The Kids Aren’t Alright on TODAY

! ! !

The Kids Aren’t Alright on 2013-11-30

PROGRAMA, GENERUOJANTI HTML

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The Kids Aren’t Alright on TODAY

! ! !

The Kids Aren’t Alright on 2013-11-30

SERVERIS

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Ruby Rails HTML karkasas

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konﬁgūracija

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struktūra app bin conﬁg lib log public test

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struktūra app bin conﬁg lib log public test

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struktūra app … models views controllers bin conﬁg

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struktūra app … models views controllers bin conﬁg M V C

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Controller View Model

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http://todoapp.com /todos SERVERIS PUSLAPIS

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PUSLAPIS /todos todos/index.html.erb Todo TodosController View Model Controller index Veiksmas

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PUSLAPIS /todos/index todos/index.html.erb Todo TodosController View Model Controller index Veiksmas

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rails new server

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rails new server generate

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rails generate scaﬀold Todo name:string on_date:date done:boolean

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rake db:migrate

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Listing todos

… Launch the spaceship 2015-07-24 … … HTML

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app/views/index.html.erb

Listing todos

<% @todos.each do |todo| %> <%= todo.name %> <%= todo.on_date %> … <% end %> … RUBY/ERB

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app/controllers/todos_controller.rb class TodosController … def index @todos = Todo.all end … end RUBY

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Užduotis

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Sugeneruokite aplikaciją ingredientams. Ingredientas turės: • pavadinimą - name • kainą - price • galiojimo datą - good_till • suvalgytas - eaten ! Pavyzdys: rails new todo_app cd todo_app rails server rails generate scaﬀold Todo name:string on_date:date done:boolean rake db:migrate TIPAI: string, ﬂoat, integer, date, datetime, boolean