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function random( min, max )
{
    min = min || 0;
    max = max || 1;

    var secs = (new Date()).getTime();
    var rand = min + Math.round( Math.random( secs ) * (max - min) );

    return rand;
}

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var document = require("jsdom").jsdom(),
    window = document.createWindow(),
    jQuery = require('jquery').create(window),
    fs = require('fs'),
    script = document.createElement("script");

window.Canvas = require('canvas');
script.src = 'https://gist.github.com/raw/790339/3b0171c3e9b749bb93fff5d642eaa687f02939a5/jquery.flot.node-canvas.js';
script.onload = function ()
{

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39a40,41
>                 width: null,
>                 height: null,
701c703,709
<                 var c = document.createElement('canvas');
---
>                 var c;
>                 if (typeof Canvas !== "undefined"){
>                     c = new Canvas(width, height);
>                 } else {

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[jfsiii@web165 node_flot]$ cat index.js 
var http = require('http'), ip = "127.0.0.1", port = 41205;

http.createServer(function (req, res) 
{
    console.log('request received');
    res.writeHead(200, {'Content-Type': 'text/plain'});
    res.end('NodeJS on JSNo.de!\n');
}).listen(port);
console.log('Server running at http://'+ip+':'+port+'/');

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[jfsiii@web165 node_flot]$ uname -a
Linux web165.webfaction.com 2.6.18-194.17.1.el5PAE #1 SMP Wed Sep 29 13:31:51 EDT 2010 i686 i686 i386 GNU/Linux
[jfsiii@web165 node_flot]$ npm install canvas
npm info it worked if it ends with ok
npm info using npm@0.2.8-1
npm info using node@v0.2.5
npm info preinstall canvas@0.3.1
Checking for program g++ or c++          : /usr/bin/g++ 
Checking for program cpp                 : /usr/bin/cpp 
Checking for program ar                  : /usr/bin/ar 

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[jfsiii@web165 node_flot]$ uname -a
Linux web165.webfaction.com 2.6.18-194.17.1.el5PAE #1 SMP Wed Sep 29 13:31:51 EDT 2010 i686 i686 i386 GNU/Linux
[jfsiii@web165 node_flot]$ npm update canvas
npm info it worked if it ends with ok
npm info using npm@0.2.8-1
npm info using node@v0.2.5
npm info updates canvas@0.3.2
npm info preupdate canvas@0.3.2
npm info fetch http://registry.npmjs.org/canvas/-/canvas-0.3.2.tgz
npm info preinstall canvas@0.3.2

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console.log('flot init');
var document = require("jsdom").jsdom(),
    window = document.createWindow(),
    jQuery = require('jquery').create(window),
    fs = require('fs'),
    flot_location = 'http://jsno.de/javascripts/jquery.flot.svn.js',
    text_location = 'http://jsno.de/javascripts/jquery.flot.text.js';

window.Canvas = require('canvas');
loadScript(flot_location, function (){ loadScript(text_location, onPluginLoaded); });

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var express = require('express'),
    app = module.exports = express.createServer();

app
    // Configuration
    .configure(function () {
        app.set('views', __dirname + '/views');
        app.set('view engine', 'jade');
        app.use(express.bodyDecoder());
        app.use(express.methodOverride());

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/* Javascript plotting library for jQuery, v. 0.6.
 *
 * Released under the MIT license by IOLA, December 2007.
 *
 */

// first an inline dependency, jquery.colorhelpers.js, we inline it here
// for convenience

/* Plugin for jQuery for working with colors.

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/*
 * Based on https://gist.github.com/583836 from http://stackoverflow.com/questions/3709391/node-js-base64-encode-a-downloaded-image-for-use-in-data-uri. 
 * Neither that gist nor this one work for me in 0.2.x or 0.3.x.
 */
var request = require('request'),
    BufferList = require('bufferlist').BufferList,
    sys = require('sys'),
    bl = new BufferList(),
    url = 'http://nodejs.org/logo.png'
;