zmts

Get index in for of

for (const [index, value] of ['a', 'b', 'c'].entries()) {
  console.log(index, value)
}

/*
0 "a"
1 "b"

zmts

Hashicorp Vault

export VAULT_ADDR='http://127.0.0.1:8200'

Enable approle auth method

vault auth enable approle

zmts

medium-zoom.js next/prev image feature

[...]
mounted () {
    setTimeout(() => {
      const selectors = document.querySelectorAll('[data-zoom-src]')
      const zoom = mediumZoom(selectors)
      nextPrevImageFeature(zoom)
    }, 500)

zmts

Docker, TypeScript, Node.js

Preconditions:

• TS application listening port: 7777

|-- dist
|-- src
|-- .dockerignore
|-- Dockerfile

zmts

Get browser fingerprint example (fingerprintjs2)

import * as Fingerprint2 from 'fingerprintjs2'
import * as UAParser from 'ua-parser-js'

function _getFingerprint () {
  return new Promise((resolve, reject) => {
    async function getHash () {
      const options = {

zmts

Object type vs Array type. Handle JavaScript types

Object.prototype.toString.call(true) // [object Boolean]
Object.prototype.toString.call('hello') // [object String]
Object.prototype.toString.call(10) // [object Number]
Object.prototype.toString.call({}) // [object Object]
Object.prototype.toString.call([]) // [object Array]
Object.prototype.toString.call(null) // [object Null]
Object.prototype.toString.call(undefined) // [object Undefined]

zmts

Configure AWS SDK with Digital Ocean endpoint

const AWS = require('aws-sdk')
const spacesEndpoint = new AWS.Endpoint('nyc3.digitaloceanspaces.com');

const s3 = new AWS.S3({
    endpoint: spacesEndpoint,
    accessKeyId: 'ACCESS_KEY',
 secretAccessKey: 'SECRET_KEY'

zmts

-- Get Max ID from table
SELECT MAX(id) FROM table;

-- Get Next ID from table
SELECT nextval('table_id_seq');

-- Set Next ID Value to MAX ID
SELECT setval('table_id_seq', (SELECT MAX(id) FROM table));

zmts

CREATE TABLE IF NOT EXISTS `country` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `iso` char(2) NOT NULL,
  `name` varchar(80) NOT NULL,
  `nicename` varchar(80) NOT NULL,
  `iso3` char(3) DEFAULT NULL,
  `numcode` smallint(6) DEFAULT NULL,
  `phonecode` int(5) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM  DEFAULT CHARSET=latin1;

zmts

Create array with specific size Javascript

[  ...Array(10).keys() ] // [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]