colus001

• JSON

  $ curl ifconfig.co/json
  

  Response

  {
    "ip": "123.123.123.123",
  

"ip_decimal": 1234512345,

colus001

$ curl ipinfo.io/ip

colus001

db.stats(1024 * 1024 * 1024)

colus001

interface State {
  position: number;
}

function createDog() {
  const state: State = {
    position: 0,
  };

  return {

colus001

db.getCollection('summoners').aggregate([
  {
    $group: {
      _id: { name: '$name' },
      uniques: { $addToSet: "$_id" },
      count: { $sum: 1 }
    }
  },
  {
    $match: {

colus001

/**
 * useSafeState
 * - To avoid memory leak when setState called after unmounted
 * @param defaultValue
 */
export function useSafeState<T>(defaultValue?: T): [T, React.Dispatch<React.SetStateAction<T>>] {
    let isMounted = true;
    React.useEffect(() => () => {
        isMounted = false;
    }, []);

colus001

const fs = require('fs');
const path = require('path');
const rimraf = require('rimraf');
const ProgressBar = require('progress');

const readFrom = path.join(__dirname, './test.json');
const file = fs.readFileSync(readFrom);

const getRandomNumber = (number = 1000000) => Math.floor(Math.random() * number);

colus001

Quick benchmark for merge two arrays with immutable state

CODE

var compare = () => {
  var a = _.range(0, 1000000)
  var b = _.range(1000000, 2000000)

  console.time('spread')

colus001

cat script.js | openssl dgst -sha384 -binary | openssl base64 -A

colus001

pragma solidity ^0.4.23;

/**
 * @title Math
 * @dev Javascript Math.min and Math.max implementation
 */
library Math {
  /**
   * @dev Retreive smaller value from two parameters
   */