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Instale o Oracle VirtualBox
http://www.virtualbox.org/wiki/Downloads

Instale o Ruby + RubyGems
(recomendo usar o RVM https://rvm.io/)

Abra o terminal e execute os seguintes comandos: 

(instalação do Vagrant - http://vagrantup.com/)
$ gem install vagrant

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# -*- mode: ruby -*-
# vi: set ft=ruby :

# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  # All Vagrant configuration is done here. The most common configuration
  # options are documented and commented below. For a complete reference,
  # please see the online documentation at vagrantup.com.

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        private static bool FindInFile(string filename, string content)
        {
            using (var reader = XmlReader.Create(filename))
            {
                var root = XDocument.Load(reader);
                var nsmgr = new XmlNamespaceManager(reader.NameTable);
                nsmgr.AddNamespace("ns", "http://www.portalfiscal.inf.br/nfe");

                return root.XPathSelectElement("//ns:infCpl", nsmgr).Value
                    .Split(new[] { "Ped_Num:" }, StringSplitOptions.None)[1]

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[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"

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require 'uri'
require 'net/http'

source_url = "http://www.tripsay.com/api/json/tips/Paris,Ile-de-France,France?api_key=TEST&maxResults=5 "

url = URI.parse(source_url)
path=url.path
path=url.path+"?"+url.query
post = Net::HTTP::Get.new(path)

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using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace Fibonacci
{
    [TestClass]
    public class FibonacciTests
    {
        [TestMethod]
        public void TestReturn()
        {

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namespace ConsoleApplication1
{
    using UrlExtensions;

    class Program
    {
        static void Main(string[] args) 
        {
            var html = "http://www.google.com".Request(RequestOptions.KeepTrying);
            Console.WriteLine(html);

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#!/usr/bin/env ruby

$LOAD_PATH << '.'

require 'rest_client'
require 'hpricot'
require 'config'

module ProcessLog

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sudo apt-get install g++
sudo svn checkout http://v8.googlecode.com/svn/trunk/ /usr/local/v8
cd /usr/local/v8
make dependencies 
make [arch] snapshot=on gdbjit=on liveobjectlist=on debuggersupport=on
sudo scons

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#configuring phantomJS
$ cd /usr/local
$ sudo git clone git://github.com/ariya/phantomjs.git && cd phantomjs
$ sudo ./build.sh

sudo ln -s /usr/local/phantomjs/bin/phantomjs /usr/local/bin/phantomjs

export PHANTOMJS_BIN=/usr/local/bin/phantomjs