Rails 101

Who are you?

l Marwan Nakhalehl Third year computer science

and engineering student at Ohio State

l One and a half years' experience with Ruby on Rails

l http://marwannakhaleh.com

Who am I?

l Introduce yourself!

Polling!

l Who knows what a web framework is?l Who knows what Ruby on Rails is?

What is Ruby on Rails?

l Ruby on Rails, commonly referred to as Rails, is an open source web application framework written in the Ruby programming language.

l It's a full-stack framework, meaning that Rails by itself can hold a complete application.

l Rails emphasizes the model-view-controller software paradigm.

Convention vs. Configuration

l Seeks to reduce the number of decisions developers have to make

l Rails will configure as much of the app as possible without specific input made by the developer, but in the event the developer has to put in special input, he/she can edit configuration files

HTTP Commands

l GETl Retrieves a representation of a resource

l POSTl Puts new resources with a generated ID

l DELETEl Removes resources

RubyGems

l Package manager for Rubyl That's how we're gonna install Rails!

l Allows for certain plugins to be used with Rails applicationsl Devise (authentication), PostgreSQL (database),

Paperclip (image upload), will_paginate (pagination)

Who's running what?

l Windows?l Linux?l Mac?

Setup!

Let’s make something!

l Super basic Twitter clonel Full authentication with Devise!l Tweet model!

Additional Resources

l Build a full-fledged Twitter clone from scratch with Ruby on Railsl http://railstutorial.net/book

l Rails for Zombiesl http://railsforzombies.org

l This slideshowl http://www.slideshare.net/mnakhaleh/rails-101-41426276