1. Truong Vo
Software Engineer – Tech Propulsion Labs
http://www.techpropulsionlabs.com
truong.vo@techpropulsionlabs.com

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

7. ProTracker

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

10. Questions ?