benlesh

REM NOTE that this does NOT uninstall ffmpeg when done

@echo off
setlocal enabledelayedexpansion

echo Current directory: %cd%

REM Set the download URL for FFmpeg
set "ffmpeg_url=https://github.com/BtbN/FFmpeg-Builds/releases/download/latest/ffmpeg-master-latest-win64-gpl.zip"

benlesh

All Valid JS Identifiers As JSON

Created by fiddling with code written by Mathias Bynens for https://mothereff.in/js-variables

MIT License from his project should be honored.

benlesh

const source$ = Observable.interval(1000).take(3); // 0, 1, 2
// waits 3 seconds, then logs "2".
// because the observable takes 3 seconds to complete, and 
// the interval emits incremented numbers starting at 0
async function test() {
  console.log(await source$.toPromise());
}

benlesh

const click$ = Observable.fromEvent(button, 'clicks');
/**
 * Waits for 10 clicks of the button
 * then posts a timestamp of the tenth click to an endpoint
 * using fetch
 */
async function doWork() {
  await click$.take(10)
    .forEach((_, i) => console.log(`click ${i + 1}`));
  return await fetch(

benlesh

Observable.defer(async function() {
  const a = await promiseDelay(1000).then(() => 1);
  const b = a + await promiseDelay(1000).then(() => 2);
  return a + b + await promiseDelay(1000).then(() => 3);
})
.subscribe(x => console.log(x)) // logs 7

benlesh

function getErroringPromise() {
  console.log('getErroringPromise called');
  return Promise.reject(new Error('sad'));
}

Observable.defer(getErroringPromise)
  .retry(3)
  .subscribe(x => console.log);

// logs "getErroringPromise called" 4 times (once + 3 retries), then errors

benlesh

// An observable that emits 10 multiples of 100 every 1 second
const source$ = Observable.interval(1000)
  .take(10)
  .map(x => x * 100);
/**
 * returns a promise that waits `ms` milliseconds and emits "done"
 */
function promiseDelay(ms) {
  return new Promise(resolve => {
    setTimeout(() => resolve('done'), ms);

benlesh

// An observable that emits 10 multiples of 100 every 1 second
const source$ = Observable.interval(1000)
  .take(10)
  .map(x => x * 100);
/**
 * returns a promise that waits `ms` milliseconds and emits "done"
 */
function promiseDelay(ms) {
  return new Promise(resolve => {
    setTimeout(() => resolve('done'), ms);

benlesh

console.clear();

const path = ["list", 0];
const path0 = ["list", 20, 'name']; // ref ref
const path1 = ["list", [0, 1], "name"];
const path2 = ["list", [0, 1, { from: 3, length: 2 }], "name"];
const path3 = ["list", [0, 1, { from: 3, length: 2 }, { from: 7, to: 9 }], "name"];
const path4 = ["list", { to: 5 }, ["name", "rating"]];

const jsonGraph = {

benlesh

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