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Ruby and Rails From a perspective James Crisp .NET Practice Lead ThoughtWorks Australia James Crisp Runtimes MRI IronRuby Console Demo public class CSharpDemo : Demo { public void SayHello() { for (int i=0; i<5; i++) { Console.WriteLine(“Hi from C#!”); } } public IEnumerable<string> Greet( IEnumerable<guest> guests) { return guests.Select(g => “Welcome” + g.Name); } } class RubyDemo < Demo def say_hello 5.times { puts “Hi from Ruby!” } end def greet(guests) guests.collect { |g| “Welcome #{g.name}” } end end >> RubyDemo.new.greet(fred, tina) => [“Welcome Fred”, “Welcome Tina”] Tools and Frameworks c:\> gem install rails Rake desc “Generate application code” task :code_gen do # do the code generation end desc “Compile code” task :compile => [:code_gen] do #do the compilation end desc “Test application” task :test => [:compile] do # run the tests end Capistrano desc "Start ferret server" task :start, :role => :app do run "cd #{current_path}; script/ferret_server -e #{stage} start" end desc "Stop ferret server" task :stop, :role => :app do run "cd #{current_path}; script/ferret_server -e #{stage} stop" end RSpec describe User do it "should be in any roles assigned to it" do user = User.new user.assign_role("assigned role") user.should be_in_role("assigned role") end ... end Routing Table Controller Method Model View Rails Project Demo See also... Rails & screencasts http://rubyonrails.org Ruby / Rails API http://gotapi.com John Lam's blog for Iron Ruby http://www.iunknown.com/ Slides for this talk http://www.jamescrisp.org Image References http://upload.wikimedia.org/wikipedia/en/2/27/Microsoft_.NET_Logo.png - .net logo http://en.wikipedia.org/wiki/Image:Ruby-(programming-language)-logo-2008.png http://www.pragprog.com/images/covers/original/rails3.jpg – agile development with rails http://flickr.com/photos/rrrodrigo/2394122680/ - Matz http://flickr.com/photos/maguisso/1028956186/ - Ruby book http://media.xircles.codehaus.org/_projects/jruby/_logos/medium.png – JRuby logo http://www.atdot.net/yarv/ - YARV logo http://www.ironruby.net/@api/deki/site/logo.png – IronRuby logo Questions?