0ex-d

import * as React from 'react';

export default (()=> {
  const ref = React.useRef();
  /* 
   * useEffect hook
   * Used when DOM changes are unobservable
  */
  React.useEffect(() => {
    ref.value = '2019';

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/*
 * This example shows how using lazy initialization
 * in React.useState helps prevent unnecessary computation
 * Note: There are rare chances you'll need it.
*/
const Clock = () => {
  const [time, setTime] = useState(() => new Date()); // ✅ correct
  // const [time, setTime] = useState(() => 1000); // ❌ wrong and over-optimization

  useEffect(() => {

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/**
 * Price alert snippet
 * For monitoring market cap on assets exchanges
 * Precious Akin
 */

// Available exchange assets
enum ASSET {
    'NGN' = '\u20A6', // ₦
    'USD' = '$'

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@-webkit-keyframes shake {
  0%,
  to {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
  }
  10%,
  30%,
  50%,
  70%,

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/**
 * Quick hack to generate migration template into a file
 * @author David
 * @param {*} files
 * @returns {string} SQL template
 */
const SqlTempGenerator = files => {
  if (!Array.isArray(files)) throw "Must be an array of SQL files";
  let sqlStr = "INSERT INTO migrations (filename) VALUES";
  return sqlStr.concat(" ", files.map(file => `('${file}')`).join(","), ";");

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describe("Referential Equality", () => {

  function foo() {
    return 'bar';
  }

  const otherFoo = function() {
    return `bar`;
  };

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// the below are snippets in JavaScript
// they are independent and have been broken
// into smaller functions
// it is likely you'll use them in your code
//
// Remember: no matter how small or big a project maybe
// it still comprises of one or more pieces coming together
// it is just how you use it (LOGIC) to solve a problem.
//
// Arrays & Objects powers the world

0ex-d

import BigNumber = require('bignumber.js');

/** Format a value in crypto or stablecoin equivalent */
function cryptoFormat(numeric: string | number): number {
  try {
    const num = typeof numeric === 'string' ? Number(numeric) : numeric;
    if (!Number.isNaN(num)) {
      throw new TypeError('Amount should be a number');
    }
    return new BigNumber(num).toNumber();

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(Vi)m Commands

By David Akin

Create and open a new file

vim file.txt

Vim Modes:

0ex-d

const { spawn } = require('child_process'); 
const fs = require('fs');

const cmdProcesses = {
  processDaemon: function(file) {
    return new Promise((resolve, reject) => {
      const args = [file, 'cron', '-', 'output', '-'];
      
      const childProcess = spawn('baguvix', args);