dcortesnet

const Stream = require('stream');
const readableStream = new Stream.Readable();

readableStream.push('Hola');
readableStream.push(' ');
readableStream.push('Mundo');
readableStream.push(null);

async function getContentReadStream(readable) {
  for await (const chunk of readable) {

dcortesnet

function isPalindrome(str) {
  const replaceStr = str.replace(/[^A-Za-z0-9]/g, '').toLowerCase();
  const reverseString = replaceStr.split('').reverse().join('');
  return replaceStr === reverseString;
}

console.log(isPalindrome("EYES")); // true
console.log(isPalindrome("not is palindrome")); // false

dcortesnet

const abcValues = [
  "A",
  "B",
  "C",
  "D",
  "E",
  "F",
  "G",
  "H",
  "I",

dcortesnet

from threading import Thread


def counter():
    for i in range(1, 11):
        print(i)


t = Thread(target=counter)
t.start()

dcortesnet

db.createCollection('valorizacion');
db.getCollection('valorizacion').insertOne({
  motorPrecio: "",
  fechaCreacion: "",
  datosVehiculo: {
    descripcionMarca: "",
    descripcionModelo: "",
    descripcionVersion: "",
    descripcionColor: "",
    ano: "",

dcortesnet

const romanSymbols = {
  '1': 'I',
  '2': 'II',
  '3': 'III',
  '4': 'IV',
  '5': 'V',
  '6': 'VI',
  '7': 'VII',
  '8': 'VIII',
  '9': 'IX',

dcortesnet

const { exec } = require('child_process');
url = "https://www.youtube.com/";
cmdCommand = `start chrome /new-tab ${url}`;
exec(cmdCommand);

dcortesnet

// ^\([0-9]{3}\)[0-9]{3}-[0-9]{4}$

function isEEUUPhoneNumber(number) {
  const reg = /[-+]?(?:\d{1,2}\s)?\(*(?:\d{3})(?:-|\)|\)\s|\s)*\d{3}(?:-|\s)*\d{4}/;
  return reg.test(number);
}

console.log(isEEUUPhoneNumber("1(555)555-5555")); // true
console.log(isEEUUPhoneNumber("(555)555-5555")); // false
console.log(isEEUUPhoneNumber("2(757)6227382")); //false

dcortesnet

class Node {
  constructor(value, next) {
    this.value = value;
    this.next = next;  
  }
}

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

dcortesnet

function rotateLeft(d, arr) {
  while (d > 0) {
    const leftElement = arr.shift();
    arr.push(leftElement);
    d--;
  }
  return arr;
}

console.log(rotateLeft(2, [1, 2, 3, 4, 5])); // [3, 4, 5, 1, 2]