ybenjo

require 'cgi'
google_url = "http://chart.apis.google.com/chart?cht=tx&chl="
$<.each{|l|
  l.chomp!
  l.scan(/(\[tex:(.*?)\]){1,}/).each do |e|
    math = e[1]
    url_math = CGI.escape(math)
    l.sub!(/#{Regexp.quote(e[0])}/,"<img src=\"#{google_url}#{url_math}\">")
  end
  puts l

ybenjo

#include <unordered_map>
#include <map>
#include <iostream>

using namespace std;

struct myeq : std::binary_function<pair<int , int> , pair<int , int> , bool>{
  bool operator() (const pair<int , int> & x , const pair<int , int> & y) const{
    //keyの一致って普通これですよね
    return x.first == y.first && x.second == y.second;

ybenjo

#include <unordered_map>
#include <map>
#include <iostream>

using namespace std;

struct myeq : std::binary_function<pair<int , int> , pair<int , int> , bool>{
  bool operator() (const pair<int , int> & x , const pair<int , int> & y) const{
    //keyの一致って普通これですよね
    return x.first == y.first && x.second == y.second;

ybenjo

class Object
  def to_i_or_nil
    if self.nil?
      return nil
    else
      return self.to_i
    end
  end
end

ybenjo

# -*- coding: utf-8 -*-
$KCODE='u'
t_a = "釣りゲームはGree".split(//)
s = t_a.size
c = ""
ARGV[0].to_i.times do |i|
  c += t_a[0..rand(s).to_i].join("")
end
c += "、無料です"
puts c

ybenjo

require 'rubygems'
require 'mechanize'
require 'hpricot'
require 'open-uri'

agent = Mechanize.new
agent.user_agent_alias = 'Windows IE 7'
page = agent.get("https://twitter.com/login")
f = page.forms[0]
f["session[username_or_email]"] = "username"

ybenjo

def fact(x)
  x > 1 ? x * fact(x-1) : 1
end

def f(x)
  return fact(x).to_s.reverse.scan(/^0+/).to_s.size
end

if $0 == __FILE__
  p f(ARGV[0].to_i)

ybenjo

#include <iostream>
using namespace std;

class TEST1{
  typedef int id;
public:
  A(){};
  void set(id n){
    x = n;
  };

ybenjo

describe Hoge do 
  before do
    @h = Hoge.new
  end
  describe Hoge, "メソッドAについて" do
    it "0には1を返す" do 
      @h.method_a(0).should == 1
    end
  end
end

ybenjo

describe Hoge do 
  before do
    @h = Hoge.new
  end
  describe Hoge, "メソッドAについて" do
    it "0には1を返す" do 
      @h.method_a(0).should == 1
    end
  end
end