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title	subtitle	author	date	source
Docker Compose Cheatsheet	Quick reference for Docker Compose commands and config files	Jon LaBelle	April 7, 2019	https://jonlabelle.com/snippets/view/markdown/docker-compose-cheatsheet

Basic config example

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let x = 1
var y = 1

console.log("\nInitial Values")
console.log("x: ", x)
console.log("y: ", y)
/* OUTPUT:
  * x: 2
  * y: 2
  */

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App.findById(id, (err, app) => {
  Object.assign(app.config, req.body) // Aca mutamos el objeto app original.
  app.save(err => {
    if(err) return res.status(500)
    if(!app) => return res.status(404)
    res.status(200).send(app)
  })
})

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function addWhiteSpaceAtTheEnd(str, len) {
  if(str.length >= len) return str;
  var delta = len - str.length;
  var res = str;
  for(var i = 0 ; i < delta ; i++) {
    res = res + " ";
  }
  return res;
}

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var request = require('request');

var URL = 'https://jsonplaceholder.typicode.com/posts/';


var requestHandler = function(err, res, body) {
  if(err) {
    // aca controlas el error.
    console.log('ERROR:' + err);
    return;

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var myController = {
  root: function(req, res) {
    if(req.session().algo) {
      res.view('index', {
        foo: 'bar'
      });
    }
    else {
      res.view('login')
    }