This document discusses the basic architecture and flow of a Rails application. It shows how requests come in through the URL and params, get routed to the controller, which then interacts with the model and returns data to the view to generate a response. It also mentions ActiveRecord associations and conventions like model naming and table mapping.

25. class User < ActiveRecord::Base
end

28. class User < ActiveRecord::Base
has_many :books
end

36. class User < ActiveRecord::Base
set_table_name 'user'
set_primary_key 'pkey'
end

42. ITPro

84. http://localhost:3000/

91. DB
DB
DB

112. DB

122. app/models/todo.rb
AR::Base
O/R

125. Rails

139. Rails

151. View
Controller
Model
Rails
mongrel

152. View
Controller
Model

153. View
Controller
Model
URL
params[]

154. View
Controller
URL
Model
URL
params[]

155. View
Controller
Model.find,model.save
URL
Model
URL
params[]

156. View
Controller
Model.find,model.save
URL
Model
URL
params[]

157. View
Controller
Model.find,model.save
URL
Model
URL
params[]

160. Rails

167. Todo
paginate

168. Todo
paginate
HTML

176. Todo edit id 1

178. :partial
_ .rhtml

179. @todo
<textarea>
@todo.description

181. URL
redirect

186. app/models/todo.rb
description

206. class

212. Linux

213. Linux