nicokaiser

#!/usr/bin/env node

// Example of how to fallback to alternative websocket library for old protocol clients
// see https://gist.github.com/1148686

var http = require('http'),
    WebSocketRequest = require('websocket').request,
    ws = require('websocket-server');

nicokaiser

var mongodb = require('mongodb');

// This example selects all documents of a collection and checks if they should be displayed.
// 15 documents should be displayed, but I have to select all from the DB because maybe
// myCheckFunction returns true only for the last 15 elements selected (if any).

// So at some point (if I have seen enough documents) the DB can stop sending me documents,
// i.e. not fetch another batch of 30 documents in this case.

var db = new mongodb.Db('mydb', new mongodb.Server('localhost', 27017, {}));

nicokaiser

var util = require('util')
  , WebSocket = require('websocket-server').WebSocket;

var CONCURRENCY = 200;
var SERVER = 'ws://localhost:3000/';

for (var i = 0; i < CONCURRENCY; i++) {
  createConnection();
}

nicokaiser

var http = require('http')
  , net = require('net')
  , util = require('util')
  , wsio = require('websocket.io');

var server = http.createServer(function (req, res) {
  res.writeHead(200, { 'Content-Type': 'text/html' });
  res.end('ok');
});

nicokaiser

/**
 * The client opens 10,000 connections to the server and sends one 10k message.
 * Every minutes, 2,000 new connections are openend and 2,000 random connections
 * are closed (equally distributed interval).
 */

var util = require('util')
  , WebSocket = require('ws');

// Config

nicokaiser

var WebSocket = require('ws')

// open 200 connections that close after 5 seconds
for (var i = 0; i < 200; i++) { openWs() }

function openWs() {
  var ws = new WebSocket('ws://localhost:8080')
  ws.on('open', function() {
    ws.send('hello')
    setTimeout(function() { ws.close(); }, 5000)

nicokaiser

// run with "node --expose_gc"

var weak = require('weak')
  , util = require('util')

function MyObject () {
  var self = this;
  Object.defineProperty(this, 'color', {
    get: function() { return 'red' }
  })

nicokaiser

var http = require('http')
  , weak = require('weak')

var server = http.createServer(function(req, res) {
  if (req.method == 'GET') {

    // GET
    console.log('GET request')
    weak(req, function() { console.log('GET request collected by GC') })
    res.end()

nicokaiser

#!/usr/bin/perl
$_=shift@ARGV;s/Mↂ/+9000/g;s/Mↁ/+4000/g;s/CM/+900/g;s/CD/+400/g;s/XC/+90/g;s/XL/+40/g;s/IX/+9/g;s/IV/+4/g;s/ↂ/+10000/g;s/ↁ/+5000/g;s/M/+1000/g;s/D/+500/g;s/C/+100/g;s/L/+50/g;s/X/+10/g;s/V/+5/g;s/I/+1/g;/^[0-9\+]*$/ or die;eval'print 0'.$_;

nicokaiser

#!/usr/bin/perl
$_=shift@ARGV;s/CM/+900/g;s/CD/+400/g;s/XC/+90/g;s/XL/+40/g;s/IX/+9/g;s/IV/+4/g;s/M/+1000/g;s/D/+500/g;s/C/+100/g;s/L/+50/g;s/X/+10/g;s/V/+5/g;s/I/+1/g;eval'print 0'.$_;