SanichKotikov

const add1 = (v) => v + 1;
const mul2 = (v) => v * 2;
const div3 = (v) => v / 3;

const compose = (fn1, fn2) => (...args) => fn1(fn2(...args));
const mapper = [div3, mul2, add1].reduce(compose);

const result = [2, 5, 8, 11, 14, 17, 20].map(mapper);
console.log(result);

SanichKotikov

function wrapper<T, P extends any[]>(fetcher: (...args: P) => Promise<T>) {
  let lastID = 0;

  return (...args: P) => (function (id: number): Promise<T> {
    return fetcher(...args).then((data: T) => (
      lastID === id ? data as any : Promise.reject(null)
    ));
  })(++lastID);
}

SanichKotikov

// return random number between 1 & 58
const random = () => (Math.round(Math.random() * 100) % 58) + 1;

SanichKotikov

function getAnagrams(arr) {
  const map = {};
  const result = [];

  arr.forEach(word => {
    const key = word.split('').sort().join('');

    if (key in map) {
      result[map[key]].push(word);
    } else {

SanichKotikov

function sum(val) {

  var total = val;

  function func(next) {
    if (!next) return total;
    total += next;
    return func;
  }

SanichKotikov

window['onSelectionChange'] = function() {
  // Do something...
};

window.external.RegisterEventListener(
  'SelectionChange',
  "window['onSelectionChange']()"
);

SanichKotikov

<div id="root">
    <div id="1">
        <div id="2">
            <div id="5">
                <div id="7"></div>
            </div>
        </div>
        <div id="3"></div>
        <div id="4">
            <div id="6"></div>

SanichKotikov

#!/bin/bash

find ~/Documents/Work/ -name '*.tmp' -type f -delete
echo "*.tmp files are deleted"

find ~/Documents/Work/ -name 'Backup_of_*.cdr' -type f -delete
echo "BackUp files are deleted"

SanichKotikov

#!/bin/bash

sudo rm -rf /Library/Java/*
sudo rm -rf /Library/PreferencePanes/Java*
sudo rm -rf /Library/Internet\ Plug-Ins/Java*
sudo rm -rf /Library/LaunchAgents/com.oracle.java.Java-Updater.plist
sudo rm -rf /Library/PrivilegedHelperTools/com.oracle.java.JavaUpdateHelper
sudo rm -rf /Library/LaunchDaemons/com.oracle.java.JavaUpdateHelper.plist
sudo rm -rf /Library/Preferences/com.oracle.java.Helper-Tool.plist

SanichKotikov

// http://www.stratege.ru/playstation/users/<user_name>

(function(year){
    const log = [];

    let platforms = {};
    let progress = 0;
    let difficulty = 0;

    const games = [].slice.call(document.querySelectorAll('.pupfug_table tr'))