Ruby on rails3 - introduction to rails
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Rails is a web application framework written in Ruby that makes programming web applications easier. It assumes common needs like RESTful design and MVC patterns. The document shows how to generate a blog application with Rails including generating models, controllers, views and adding features like comments. It encourages continuing to learn Rails and implement new ideas with a team.
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![ Add a comment:
<%= form_for([@post,
@post.comments.build]) do |f| %>
<%= f.label :commenter %>
<%= f.text_field :commenter %>
<%= f.label :body %>
<%= f.text_area :body %>
<%= f.submit %>
<% end %>](https://image.slidesharecdn.com/rubyonrails3-130418103542-phpapp02/85/Ruby-on-rails3-introduction-to-rails-12-320.jpg)
![ @post = Post.find(params[:post_id])
@comment =
@post.comments.create(params[:comment])
redirect_to post_path(@post)](https://image.slidesharecdn.com/rubyonrails3-130418103542-phpapp02/85/Ruby-on-rails3-introduction-to-rails-13-320.jpg)
![ Add user name and password
http_basic_authenticate_with :name => “admin",
:password => “admin", :except => [:index, :show]](https://image.slidesharecdn.com/rubyonrails3-130418103542-phpapp02/85/Ruby-on-rails3-introduction-to-rails-15-320.jpg)
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- 14. <h2>Comments</h2> <% @post.comments.each do |comment| %> Commenter: <%= comment.commenter %> Comment: <%= comment.body %> <br/> <% end %>
- 15. Add user name and password http_basic_authenticate_with :name => “admin", :password => “admin", :except => [:index, :show]
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