mormegil-cz

rauschma

What is new in the ES2021 edition of “JavaScript for impatient programmers”?

Free to read online: exploringjs.com/impatient-js/

• The exercises now run as native ESM modules on Node.js. Previously, they were run via the esm package.
• Material on new ES2021 features:
  • String.prototype.replaceAll()
  • Promise.any()
  • Logical assignment operators
• Underscores (_) as separators in number literals and bigint literals

timvisee

Falsehoods programmers believe about time

This is a compiled list of falsehoods programmers tend to believe about working with time.

Don't re-invent a date time library yourself. If you think you understand everything about time, you're probably doing it wrong.

Falsehoods

• There are always 24 hours in a day.
• February is always 28 days long.
• Any 24-hour period will always begin and end in the same day (or week, or month).

dimapaloskin

const videoPlayer = netflix
  .appContext
  .state
  .playerApp
  .getAPI()
  .videoPlayer;

// Getting player id
const videoPlayer = videoPlayer
  .getAllPlayerSessionIds()[0]

vinkla

Upload images to GitHub

1. Create a new issue on GitHub.

2. Drag an image into the comment field.

3. Wait for the upload process to finish.

4. Copy the URL and use it in your Markdown files on GitHub.

tomrus88

_ERRORMESSAGE
AbandonQuest
AbandonSkill
AbbreviateLargeNumbers
AbbreviateNumbers
abs
AcceptAreaSpiritHeal
AcceptBattlefieldPort
AcceptDuel
AcceptGroup

danbernier

function allTests(thisFnWrapsAllYourTests) {
  var successes = 0;
  var failures = [];
  var scopes = [];

  var msgInScope = function(msg) {
    return scopes.concat([msg]).join(": ");
  }

  var doTheseListsMatch = function(expected, actual) {

akora

=SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(C2,"ö","o"),"ü","u"),"ó","o"),"ő","o"),"ú","u"),"é","e"),"á","a"),"ű","u"),"í","i"),"Ö","O"),"Ü","U"),"Ó","O"),"Ő","O"),"Ú","U"),"É","E"),"Á","A"),"Ű","U"),"Í","I")

dannyid

// The player
var player =    netflix.cadmium.objects.videoPlayer();

// Metadata about current episode -- ID and url to get frame at a specific time
var episodeId = netflix.cadmium.metadata.getActiveVideo().episodeId;
var imgRoot =   netflix.cadmium.metadata.getActiveVideo().progressImageRoot;

// Generates URL of preview image for given timestamp
function getFrame(timestamp) {
  var t = Math.floor(timestamp/10000).toString(10);

tylerneylon

-- copy.lua
--
-- Lua functions of varying complexity to deep copy tables.
--


-- 1. The Problem.
--
-- Here's an example to see why deep copies are useful. Let's
-- say function f receives a table parameter t, and it wants to