Introduction To Rails

Introduction To Rails

• 1.
  Introduction to Ruby onRails “Web development that doesn’t hurt.” Eric J. Gruber
• 2.
  About Ruby  Released in 1995  Open source  Available for: – Windows – Mac OS X – Linux  Ruby home: http://www.ruby-lang.org/en/  Try Ruby!: http://tryruby.hobix.com
• 3.
  About Ruby  Dynamic language, like PHP  Clean syntax, natural wording, easy to read – C#: public class Hello1 { public static void Main() { System.Console.WriteLine("Hello, World!"); } } – ASP.NET: <% HelloWorldLabel.Text = “Hello, World!”; %> – PHP: <?php print “Hello, World!”; ?> – Ruby: puts “Hello, World!”
• 4.
  About Ruby  Everything is an object in Ruby Images from the book Simply Rails 2 by Patrick Lenz
• 5.
  Ruby meet Rails
• 6.
  Who uses Rubyon Rails?
• 7.
  Other success stories  From ruby-lang.org: – http://ruby-lang.org/en/documentation/success-stories  From rubyonrails.org: – http://rubyonrails.org/applications
• 8.
  What is Rubyon Rails?  Web framework, powered by Ruby, extracted from the highly successful project management web application, Basecamp. http://basecamphq.com
• 9.
  Framework? What’s that?  A framework is a basic conceptual structure used to solve or address complex issues. This very broad definition has allowed the term to be used as a buzzword, especially in a software context. – http://en.wikipedia.org/wiki/Framework
• 10.
  In other words…  … it’s like magic!
• 11.
  Why should Icare? Do more with fewer resources  Easy validations  Works well with Ajax  Better separation of  Good amount of code resources available to – HTML, CSS (views) learn – Database, business  Easy for designers, fun logic (models) for programmers – User interface,  Database agnostic application logic (controllers)
• 12.
  Everything is inits right place  Embrace your constraints  Don’t Repeat Yourself  Every Rails app has the same file structure Image from the book RailsSpace by Michael Hartl and Aurelius Prochazka
• 13.
  Demo
• 14.
  How to getstarted  Use the Ruby on Rails download page: – http://rubyonrails.org/download, or …  Windows users can download InstantRails for the total package: – http://instantrails.rubyforge.org/wiki/wiki.pl  Mac users can download Locomotive for a quick test run (might need to be updated): – http://sourceforge.net/projects/locomotive/  Linux users can … it depends on your distro  Sign up free at http://herokugarden.com
• 15.
  Recommended Ruby reading  Learn to Program, 2nd Edition Great for beginners – PragProg.com  Programming Ruby 1.9 – PragProg.com A lot more advanced
• 16.
  Recommended Rails reading  Simply Rails 2.0 – Sitepoint.com Great for beginners  Agile Web Development with Rails – PragProg.com A little bit more advanced
• 17.
  Resources  Ruby on Rails: Talk (Google Group) – http://groups.google.com/group/rubyonrails-talk  Railscasts (free Ruby on Rails screencasts) – http://railscasts.com  Peep Code (paid Rails-related screencasts) – http://peepcode.com  Phusion Passenger (easy deployment module) – http://www.modrails.com  Agile Web Development (plugin central) – http://agilewebdevelopment.com/
• 18.
  Hosting  http://slicehost.com  http://railsplayground.com http://www.site5.com  http://dreamhost.com  http://hostgator.com  Web Hosting Services Which Support Ruby on (from Rails Wiki)
• 19.
  Questions?