toniov

// $ node index.js playlist.csv Album "Track Title" Artist

const fs = require('fs');
const papa = require('papaparse');
const filePath = process.argv[2];
const parts = {};
for (let i = 3; i < process.argv.length; i++) {
  parts[process.argv[i]] = -1;
}

toniov

const sleep = (ms) => new Promise(r => setTimeout(r, ms));

for await (const x of [300, 100, 200]) {
  console.log(x);
  await sleep(x);
}

// It prints 300 100 200, which means it was not executed concurrently

toniov

const union = require('lodash.union');
const list = [2890, 10004, 145];

const largeArray = [];
for (let i = 0; i < 25000; i++) {
  largeArray.push(Math.floor(Math.random() * 25000));
}
const mediumArray = [];
for (let i = 0; i < 10000; i++) {
  mediumArray.push(Math.floor(Math.random() * 10000));

toniov

 {
   "bool": {
     "must": [{
       "term": {
         "name": "承太郎"
       }
     }, {
       "match": {
         "description": {
           "query": "やれやれだぜ"