ALEXOTANO

<invoice id="1234">
  <customer name="John Doe" taxID="123456789" />
  <total currency="USD" symbol="$" symbolOnRight="false">100.00</total>
</invoice>

ALEXOTANO

{
    "id": "1234",
    "customer": {
        "name": "John Doe",
        "taxID": "123456789"
    },
    "total": {
        "amount": 100.00,
        "currency": "USD",
        "currency-symbol": "$",

ALEXOTANO

{
    "id": "1234",
    "customer": {
        "name": "John Doe",
        "taxID": "123456789"
    },
    "total": {
        "amount": 100.00,
        "currency": {
            "name": "USD",

ALEXOTANO

<invoice id="1234">
  <customer name="John Doe" taxID="123456789" />
  <total currency="USD">100.00</total>
  …
</invoice>

ALEXOTANO

{
    "id": "1234",
    "customer": {
        "name": "John Doe",
        "taxID": "123456789"
    },
    "total": {
        "amount": 100.00,
        "currency": "USD"
    }

ALEXOTANO

class LinkedList {
    
    constructor(){
        this.head = null;
    }

    removeNode(index2Remove) {
        if(index2Remove == 0){
            this.head = this.head.next;
            return

ALEXOTANO

/**
 * @param {number[]} nums
 * @param {number} target
 * @return {number[]}
 */
var twoSum = function(nums, target) {
    
    for(var i = 0; i < nums.length; i++){
        var n = nums[i]
               

ALEXOTANO

<?php
class Solution {

    /**
     * @param String $s
     * @return Boolean
     */
    function isPalindrome($s) {
        if(! isset($s)) return false;

ALEXOTANO

/**
* Author: Alex Otano
* This is a implementation of how to get parameters from the CLI when running a nodejs script.
* In this case "node-arguments.js --user=myuser --pass=secretPassword" and the script will read them.
*/

console.log('---------------------');
let pass = ''
let user = ''
console.log('process.argv',process.argv)

ALEXOTANO

How to correctly configure FTP on ubuntu

1. Install FTP Service

sudo apt-get update
sudo apt install vsftpd

2. Backup config file