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.
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3. Ruby is:
• A High Level Programming
Language
• Originated in Japan and Rapidly
Gaining Mindshare in US and
Europe.
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4. Why Ruby ?
• Easy to learn
• Open source
• Very easy to extend
• Truly Object-Oriented
• Less Coding with fewer bugs
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5. Rails is
• A web-application framework
written in Ruby by David
Heinemeier Hansson.
• Model-View-Controller
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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.
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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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10. This can be created by using sample
helper command
C:InstantRailsrails_apps>rails demo
Then you will find a directory structure
as follow:
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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.
