Ruby%20on%20Rails

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Ruby on Rails

• a popular web application framework, aimed to
  increase the speed and ease of web development

Ruby on Rails, Tim Zappe
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Creation

• Rails was created by David Heinemeier Hansson and
  based on his work with Basecamp at 37signals. It
  was released in 2004.
• Apple has announced they will ship ROR with the
  new version of OS X 10.4 due out in this
  spring.

Ruby on Rails, Tim Zappe
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Why Frameworks?

• A framework is a set of software tools and
  libraries used to streamline the development
  process. Typically the provide built-in
  functionality for database access, templating,
  and session management.
• The goal of using a framework is to only write
  the code for your project that is specific. There
  is no need to reinvent the wheel for common tasks.

Ruby on Rails, Tim Zappe
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Why Rails?

• The success of rails has been based mostly on
  Rubys ease of use.
• By not wasting time reinventing the wheel on
  every project, developers are able to spend more
  time working on the richness of the user
  interface.
• Integrated ajax techniques
• Integrated unit testing

Ruby on Rails, Tim Zappe
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Why not rails?

• Some recent complaints about rails talk about why
  the core team develops mostly on Apple computers.
  There have been complaints that programming rails
  on Windows can be challenging since there lacks a
  IDE for the the software.
• Rails works wonderful for projects built from
  scratch, but can be a pain to function on top of
  legacy databases.

Ruby on Rails, Tim Zappe
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MVC Programming

• Model-View-Controller Programming is way to split
  an application into multiple layers. Its common
  to split the user interface from the data access,
  but MVC goes a step further by splitting the UI
  into view and a controller.

Ruby on Rails, Tim Zappe
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Model

• A model in MVC programming is the layer that
  represents the data in an application. It adds
  meaning on top of raw data.
• In Rails, the model represents a table in a
  database and interacts with other models.

Ruby on Rails, Tim Zappe
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View

• The view is the portion of the the code that
  displays the user interface.
• In rails, this is done with .rhtml files ruby
  embedded html to display dynamic data in usable
  interface.

Ruby on Rails, Tim Zappe
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Controller

• The controller is designed to respond to events,
  and to designated which view is given to the
  user.
• In Rails, the controller is used to define common
  actions. By default, rails includes scaffolding
  which is a technique used to generate common
  actionsused such as Create, Read, Update, Delete
  (CRUD)

Ruby on Rails, Tim Zappe
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Popular Projects

• Basecamp http//www.basecamphq.com/
• 43things http//www.43things.com/
• Shopify http//shopify.com/
• Odeo http//odeo.com/
• Fluxiom http//www.fluxiom.com/
• Typosphere http//www.typosphere.org/
• Strong Space http//www.strongspace.com/

Ruby on Rails, Tim Zappe