alexrqs

code ~/.zshrc
# add => "setopt HIST_IGNORE_ALL_DUPS"

omz reload
cp $HISTFILE ${HISTFILE}.backup
awk '!a[$0]++' ${HISTFILE}.backup > $HISTFILE

alexrqs

const crypto = require('crypto');

const { publicKey, privateKey } = crypto.generateKeyPairSync('rsa', {
  modulusLength: 2048,
  publicKeyEncoding: {
    type: 'pkcs1',
    format: 'pem'
  },
  privateKeyEncoding: {
    type: 'pkcs8',

alexrqs

aliases:
  - &restore-yarn-cache
    keys:
      - v1-dependencies-{{ checksum "package.json" }}
      # fallback to using the latest cache if no exact match is found
      - v1-dependencies-

  - &save-yarn-cache
    paths:
      - node_modules

alexrqs

const normalColor = number => number > 255 ? 255 : number < 0 ? 0 : number
const toHEX = color => Number(normalColor(color)).toString(16).toUpperCase()
const normalHEX = hex => ((hexi = toHEX(hex)) => hexi.toString().length < 2 ? '0' + hexi : hexi)()
const rgb = (r,g,b) => normalHEX(r) + normalHEX(g) + normalHEX(b)

Test.assertEquals(rgb(0, 0, 0), '000000')
Test.assertEquals(rgb(0, 0, -20), '000000')
Test.assertEquals(rgb(300,255,255), 'FFFFFF')
Test.assertEquals(rgb(173,255,47), 'ADFF2F')

alexrqs

#!/usr/bin/env node

if (process.platform == 'win32') {
  process.exit(0)
}

const { spawn } = require('child_process')

const packages = ['webpack']
const yarnAdd = ['yarn', 'add', '-D']

alexrqs

export NPM_TOKEN="00000000-0000-0000-0000-000000000000"

# .npmrc
package-lock=false
//registry.npmjs.org/:_authToken=${NPM_TOKEN}

alexrqs

const start = new Date()
const hrstart = process.hrtime()
const simulateTime = 500

setTimeout(function(argument) {
  // execution time simulated with setTimeout function
  const end = new Date() - start
  const hrend = process.hrtime(hrstart)

  console.info('Execution time: %dms', end)

alexrqs

<div id="root"></div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.21.1/babel.min.js"></script>
<script>
  Babel.registerPreset("custom-preset", {
    presets: [
      [Babel.availablePresets["es2015"]],
    ],
    plugins: [
      Babel.availablePlugins["syntax-jsx"],
      [Babel.availablePlugins["transform-react-jsx"], {

alexrqs

dig +short google.com
host google.com
nslookup google.com

alexrqs

const int LED = 13;
const int PWR = 12;

char blueName[4] = "lazy";
char pin[5] = "0000";
char blueSpeed = "4";
char mode = "1"; // 0 slave, 1 master

void setup() {
  pinMode(LED, OUTPUT);