1. 1Ruby on Rails08/22/13
BuildingWebApplications Is FunAgain!

2. A collection of good libraries,
less works but achieve better
results and faster.
There are lots of nice tools,
classes and methods to make
development easier.
2Ruby on Rails08/22/13

3. Ruby is:
• A High Level Programming
Language
• Originated in Japan and Rapidly
Gaining Mindshare in US and
Europe.
3Ruby on Rails08/22/13

4. Why Ruby ?
• Easy to learn
• Open source
• Very easy to extend
• Truly Object-Oriented
• Less Coding with fewer bugs
4Ruby on Rails08/22/13

5. Rails is
• A web-application framework
written in Ruby by David
Heinemeier Hansson.
• Model-View-Controller
5Ruby on Rails08/22/13

6. Model (ActiveRecord ) :
Maintains the relationship between
Object and Database and handles
validation, association, transactions,
and more.
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7. View ( ActionView )
A presentation of data in a particular
format, triggered by a controller's
decision to present the data.
7Ruby on Rails08/22/13

8. Controller ( ActionController ):
is the logical center of your application.
It coordinates the interaction between
the user, the views, and the model.
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9. A Pictorial Diagram of Ruby on Rails Framework:
9Ruby on Rails08/22/13

10. This can be created by using sample
helper command
C:InstantRailsrails_apps>rails demo
Then you will find a directory structure
as follow:
10Ruby on Rails08/22/13

11. demo/
..../app
......../controller
......../helpers
......../models
......../views
............../layouts
..../components
..../config
..../db
..../doc
..../lib
11Ruby on Rails08/22/13

12. 12Ruby on Rails08/22/13
Go to http://rubyforge.org/projects/instantrails/
1. Instant Rails 2.0
2. Instant Rails 1.7
3. Instant Rails 1.5
4. Instant Rails 1.4
5. Instant Rails 1.3a

13. 13Ruby on Rails08/22/13
1. Unzip Instant Rails on any hard drive
2. Start server Apache and MySQL

14. 14Ruby on Rails08/22/13

15. 15Ruby on Rails08/22/13
Go to command prompt by using
helper command as follow:
C:InstantRails>use_ruby

16. 16Ruby on Rails08/22/13
Rails will try to use Mongrel and
lighttpd if they are installed,
otherwise Rails will use WEBBrick,
the webserver that ships with ruby.

17. 17Ruby on Rails08/22/13
Windows users are encouraged to
Start with Mongrel because it is a
Ruby-based webserver that is
suitable for development and
deployment of Rails applications.

18. 18Ruby on Rails08/22/13
• Mysql
• Oracle
• Postgre Sql
• SqlLite
• And more…

19. 19Ruby on Rails08/22/13