hackervera

class Child
	@@name = "baby"
	def name
		
		return @@name
	end
end

class OtherChild
	@@name = "baby"

hackervera

def yum(arg)
	sleep 10
	puts arg
end

def async(arg, callback)
	thr = Thread.new { eval(callback.call(arg)) }
	thr
end

hackervera

require 'rubygems'
require 'httparty'

def async(arg,callback)
	Thread.new {
		sleep 10
		resp = HTTParty.get(arg)
		callback.call(resp) 
	}
end

hackervera

obj = {
	:addOne => lambda {|x| x+1},
	:face => "happy"
}
puts obj[:addOne].call(5) #=> 6
puts obj[:face] #=> happy

hackervera

require 'rubygems'
require 'httparty'
require 'json'
obj = {
	:addOne => lambda {|x| x+1},
	:face => "happy",
	:getSite => lambda {|url| HTTParty.get(url)},
	:parseJson => lambda {|url| JSON.parse(HTTParty.get(url))}
}
puts obj[:addOne].call(5) #=> 5

hackervera

class Main
	def self.higherOrder(proc_in)
		return proc { |arg| arg + proc_in[5] }
	end
end

foo = proc {|arg| arg + 1}


puts Main::higherOrder(foo)[3] #=> 9

hackervera

class Animal
  def noise(sound)
    yield(sound)
  end
end

class Cow < Animal
  def moo
    noise("moo")
  end

hackervera

yummy = lambda {|number| number + 5}
foo = [1,2,3,4]
puts foo.each(&yummy) #=> 1,2,3,4 WTF?

hackervera

require 'rubygems'
require 'httparty'

def async(arg,wait,callback)
	Thread.new {
		sleep wait
		resp = HTTParty.get(arg)
		(wait == 10) ? callback.error("Failed to get resource") : callback.success(resp)
	}
	

hackervera

require 'rubygems'
require 'httparty'

def async(arg,wait,callback)
	Thread.new {
		sleep wait
		resp = HTTParty.get(arg)
		(wait == 10) ? callback.error("Failed to get resource") : callback.success(resp)
	}