outsideris

 var express = require('express'),
     site1 = express.createServer(),
     site2 = express.createServer(),
     site_vhosts = [],
     vhost;

 site_vhosts.push(express.vhost('domain1.com', site1));
 site_vhosts.push(express.vhost('domain2.com', site2));

 vhost = express.createServer.apply(this, site_vhosts);

outsideris

/**
 * express 처음에 init 하시면 app.js 를 비롯하여 여러 디렉토리가 생기는데
 * logs 디렉토리에 아무것도 안남는다고 의문을 가지신 분에게 도움이 될거 같습니다.
 * connect의 middleware logger 는 기본이 stdout 으로 출력하고 있었네요.
 * http://senchalabs.github.com/connect/middleware-logger.html
 * manual을 살펴보니 stream options 이 있었군요.
 * 한번 생각나서 fs core module의 createWriteStream 을 사용하여 해봤더니 잘되네요.
 * 다른 방법도 있으신분은 알려주세요
 */
var fs = require('fs'),

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var params = qs.parse(url.parse(req.url).query)
     , id = params.id
     , BreakException = {};

   try {
      tweets.forEach(function(element, index) {
         if(element.id == id) {
           res.send({tweets:tweets.slice(index+1, index+21)});
           throw BreakException;
         }

outsideris

script(src='/socket.io/socket.io.js')
script
  window.onload = function() {
    var socket = io.connect('/test');
    socket.on('connect', function() {
      console.log('connected'); 
      socket.send('test message');
    });

    socket.on('message', function(msg) {

outsideris

script(src='/socket.io/socket.io.js')
script
  window.onload = function() {
    var socket = io.connect('/test');
    socket.on('connect', function() {
      console.log('connected'); 
      socket.emit('mock', 'test message');
    });

    socket.on('mock', function(msg) {

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// jquery
$(document).ready(function(){
});

// prototype.js
document.observe("dom:loaded", function() {
});

// vanilla javascript (it's not dom loaded)
window.onload = function() {

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# These are my notes from the PragProg book on CoffeeScript of things that either 
# aren't in the main CS language reference or I didn't pick them up there. I wrote 
# them down before I forgot, and put it here for others but mainly as a reference for 
# myself.

# assign arguments in constructor to properties of the same name:
class Thingie
    constructor: (@name, @url) ->

# is the same as:

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task 'epub', ->
  exec 'pandoc -S --epub-stylesheet style.css -o output/nodebook.epub ' +
    'chapters/prologue.md ' +
    'chapters/overview.md ' +
    'chapters/history.md ' +
    'chapters/installation.md ' +
    'chapters/gettingstarted.md ' +
    'chapters/tcpchat.md ' +
    'chapters/twitter.md ' +
    'chapters/npm.md ' +

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sed -n '/패턴/p' # 패턴의 라인만 출력
sed 's/패턴/치환문자/g' # 문자열 바꾸기

#정규식
\n # new line
\+ # 1개 이상
\{n\} # n개이상

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$ openssl des3 -salt -in plain.txt -out encrypted.txt