arielivandiaz

#!/bin/bash

# Check if a port number was provided
if [ $# -eq 0 ]; then
    echo "Usage: $0 port_number"
    exit 1
fi

# Assign the first argument to a variable
PORT=$1

arielivandiaz

// VARIABLES **************************************************************************
//  Swapping Two Variables
[foo, bar] = [bar, foo];

// Conditional asignation
const fullName = name || 'buddy';

// NUMBERS **************************************************************************
// Check if a number is even 
const isEven = (num) => num % 2 === 0;

arielivandiaz

//Promise.all
//Devuelve todas las promesas o el primer reject que ocurra
//***********************************************************************************/
const names = ["Victoria", "Ivan", "Katya", "Lina", "Jack"];

//Promise declaration
const returnAfter1sec = (value) => {
    return new Promise((resolve, reject) => {

arielivandiaz

let name = "John Doe";
console.log(typeof name);

//Use template string 
const user = "Ariel",
    company = "Laguna";
const welcomeMsg = `Welcome ${user}  to  ${company}`;

//Number to String
let num = 99.97;

arielivandiaz

//Arrays elements could be with different types
let user = ["Ariel", 24, "Diaz"];
let [name, age, lastname] = user;


var arr = ["Pear", "Apple", "Orange"];

//CHECK IF IS AN ARRAY
console.log(Array.isArray(arr));

arielivandiaz

//Switch case vs Const Object Performance
//Const Object  is 20%-50% faster
//Comment the lines of code for "counter [x] ++;" and check the difference

const NAMES = [
    'Zarya',
    'Inna',
    'Antoniya',
    'Filippa',
    'Irina',

arielivandiaz

Laguna Developer Tools

LESSONS

📌 KEEP IT = {
      🎯 Especifico

arielivandiaz

let getUser = async (userId) => {
    let promise = new Promise((resolve, reject) => {

        sql.query("SELECT * FROM `users` WHERE `id`=" + userId).then((userInfo) => {

            resolve(userInfo);


        }).catch((reject) => { //Sql reject

arielivandiaz

sudo kill -9 sudo lsof -t -i:3838

arielivandiaz

#SSH vs HTTP
Si usas HTTP por consola, te va a pedir usuario y contraseña o contraseña cada vez que realizas un pull/push
Si usas SSH, tus credenciales quedan guardadas en la PC y no necesitas loguearte para realziar acciones, pero para ello necesitas tener una key SSH en la PC/Servidor vinculada con la cuenta de github.

>En Windows Descargar git bash : [https://git-scm.com/](https://git-scm.com/)

## HTTP / SSH
Para usar git bash primero hay que configurar el usuario (probablemente si usaron github desktop esto no es necesario)

Ejecutar en el terminal: