2. What is Ruby on Rails?
The MVC Architecture
REST
Demos
Learning Resources
Questions
3. Ruby is a object-oriented and dynamic
programming language
Rails is a web development framework
written in the Ruby language
Open Source and Free
Focused on developer productivity and
getting the job done – fast!
4. 1. http://localhost:3000/projects/1
2. Routing finds Project Controller 1
3. Controller interacts with model Browser
4. Controller invokes view Routing
5. Render next browser screen 2
Project
Project
Controller
Controller 5
3 4
Active Record
Active Record Display
Display
Database
Database Model
Model Project View
Project View
5. REpresentational State Transfer
describes resources (in our case URLs) on which
we can perform actions
Create, Read, Update, Delete (CRUD)
6. HTTP verb URL controller action used for
GET /projects Projects index display a list of all projects
return an HTML form for creating a new
GET /projects/new Projects new
project
POST /projects Projects create create a new project
GET /projects/1 Projects show display a specific project
GET /projects/1/edit Projects edit return an HTML form for editing a project
PUT /projects/1 Projects update update a specific project
DELETE /projects/1 Projects destroy delete a specific project
8. Keep up with the Trend
Books – the theory
Agile Web Development with Rails: from basic to
intermediate
The Rails Way: deep and broad
Programming Ruby: good reference not for learning
Ruby for Rails: most thorough and deep Ruby book. Not
quite easy to read
Books – learn from these others
Practical Rails Project
Rails Recipes, Advance Rails Recipes: can be used as
reference to specific problems
Building Dynamic Web 2.0 Websites with Ruby on Rails
9. Keep up with the Trend
http://guides.rubyonrails.org
http://railscasts.com/ - best free Ruby on Rails
Screencasts
github.com: when doing something, good
idea to try to find on github. Large change is
someone already done.
Wiki/Google Group (global/per project)…
Rails change so fast, need to get up-to-date
Build your old resource and share to others
