luckydev

class Person
   def say_hi
      puts "Hi, this is Ruby!"
   end
end

john = Person.new
robin = Person.new 

john.say_hi   # => Hi, this is Ruby!

luckydev

module A 
  def say_hi(a,b,c)
    puts "Hi, from [A] module. Numbers - #{a} #{b} #{c}"
  end
end

class B
  include A

  def say_hi(a,b,c)

luckydev

module A 
  def say_hi(a,b,c)
    puts "Hi, from [A] module. Numbers - #{a} #{b} #{c}"
  end
end

class B
  include A

  def say_hi(a,b,c)

luckydev

module A 
  def say_hi(a,b,c)
    puts "Hi, from [A] module. Numbers - #{a} #{b} #{c}"
  end
end

class B
  include A

  def say_hi(a,b,c)

luckydev

module A 
  def say_hi(a,b,c)
    puts "Hi, from [A] module. Numbers - #{a} #{b} #{c}"
  end
end

class B
  include A

  def say_hi(a,b,c)

luckydev

Person = Class.new do
  
  #instance method
  def say_hi
    puts "Hi, Do you like Ruby?"
  end

end

Person.new.say_hi

luckydev

Person = Class.new 

module PersonInstanceMethods
  def say_hi
    puts "Hi, Do you like Ruby?"
  end
end
Person.send(:include, PersonInstanceMethods)

john = Person.new

luckydev

class Person
  def say_hi
    puts "Hi, Do you like Ruby?"
  end
end

john = Person.new
john.say_hi

luckydev

 > require "rubygems"
 => true 
 > require "goshortener"
 => true 
 > go = GoShortener.new("yourapikeyfromgoogle")
 => #<GoShortener:0x10056e6a8 @base_url="https://www.googleapis.com/urlshortener/v1/url", @api_key="yourapikeyfromgoogle"> 
 > go.shorten("http://github.com/luckydev")
 => "http://goo.gl/TCZHi" 
 > go.lengthen("http://goo.gl/TCZHi")
 => "http://github.com/luckydev" 

luckydev

Event.observe(window,'load',function(){

  $('content').observe('click',function(event){
    var element = event.findElement('a.item');
    if(element.tagName == 'A'){
      alert("got you.....");
    }
  });

});