JulesWang

class List
  include Enumerable

  def each
    yield 1
    yield 2
  end
	  
  #...
end

JulesWang

class SortAlogrithm
  def quick_sort
  #...
  puts "quick_sort"
  end
  def bubble_sort
  #...
  puts "bubble_sort"
  end
end

JulesWang

# create a new object
object = Object.new

# dup this object, dog is a object
dog = object.clone

# define a function ONLY for this object
def dog.sit
    print "I`m sitting\n"
end

JulesWang

module Decorator
  def initialize(decorated)
    @decorated = decorated
  end

  def method_missing(method,*args)
    # empty? is a method; ?: is a tri-operator
    args.empty? ? @decorated.send(method):@decorated.send(method,args)
  end

JulesWang

#include <iostream.h>
#include <stdlib.h>
  /**/
const int NUM = 6;
void Swap(int &a,int &b)
{
  int t = 0;
  t = a;
  a = b;
  b = t;

JulesWang

#!/usr/bin/env ruby

class String
  def levenshtein(other)
    range_self_end = self.size 
    range_other_end = other.size 
    data =
    (0..range_self_end).map {|s|
      (0..range_other_end).map {|t|
        t + s unless t>0 && s>0

JulesWang

FIO

fio is an I/O tool meant to be used both for benchmark and stress/hardware verification.

Setup

Linux: