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@DavidKuennen
DavidKuennen / minimal-analytics-snippet.js
Last active June 9, 2024 19:08
Minimal Analytics Snippet
(function (context, trackingId, options) {
const history = context.history;
const doc = document;
const nav = navigator || {};
const storage = localStorage;
const encode = encodeURIComponent;
const pushState = history.pushState;
const typeException = 'exception';
const generateId = () => Math.random().toString(36);
const getId = () => {
@vlucas
vlucas / encryption.js
Last active July 23, 2024 01:24
Stronger Encryption and Decryption in Node.js
'use strict';
const crypto = require('crypto');
const ENCRYPTION_KEY = process.env.ENCRYPTION_KEY; // Must be 256 bits (32 characters)
const IV_LENGTH = 16; // For AES, this is always 16
function encrypt(text) {
let iv = crypto.randomBytes(IV_LENGTH);
let cipher = crypto.createCipheriv('aes-256-cbc', Buffer.from(ENCRYPTION_KEY), iv);
@subfuzion
subfuzion / curl.md
Last active July 18, 2024 17:12
curl POST examples

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

@paulirish
paulirish / what-forces-layout.md
Last active July 22, 2024 06:32
What forces layout/reflow. The comprehensive list.

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics
  • elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent
@julianshapiro
julianshapiro / IE.js
Last active May 11, 2024 15:22
Future-Proof IE Version Detection Without User Agent Sniffing
var IE = (function() {
if (document.documentMode) {
return document.documentMode;
} else {
for (var i = 7; i > 4; i--) {
var div = document.createElement("div");
div.innerHTML = "<!--[if IE " + i + "]><span></span><![endif]-->";
if (div.getElementsByTagName("span").length) {
@paulirish
paulirish / rAF.js
Last active July 19, 2024 19:50
requestAnimationFrame polyfill
// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
// requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel
// MIT license
(function() {
var lastTime = 0;
var vendors = ['ms', 'moz', 'webkit', 'o'];