Whoami iTonyYo

V8

V8 is Google’s open source high-performance JavaScript and WebAssembly engine, written in C++. It is used in Chrome and in Node.js, among others. It implements ECMAScript and WebAssembly, and runs on Windows 7 or later, macOS 10.12+, and Linux systems that use x64, IA-32, ARM, or MIPS processors. V8 can run standalone, or can be embedded into any C++ application.

SpiderMonkey

SpiderMonkey is Mozilla’s JavaScript and WebAssembly Engine, used in Firefox, Servo and various other projects. It is written in C++, Rust and JavaScript. You can embed it into C++ and Rust projects, and it can be run as a stand-alone shell. It can also be [compiled](https://bytecodealliance.org/articles/making-javascript-run-fast-on

TCP echo server for Node.js

Usage

Make sure you have a modern-ish version of Node.js installed.
Type npx https://gist.github.com/kfox/1280c2f0ee8324067dba15300e0f2fd3
Connect to it from a client, e.g. netcat or similar: nc localhost 9000

CSS Layout Debugger

A tweet-sized debugger for visualizing your CSS layouts. Outlines every DOM element on your page a random (valid) CSS hex color.

One-line version to paste in your DevTools

Use $$ if your browser aliases it:

~ 108 byte version

If you haven’t worked with JavaScript in the last few years, these three points should give you enough knowledge to feel comfortable reading the React documentation:

We define variables with let and const statements. For the purposes of the React documentation, you can consider them equivalent to var.
We use the class keyword to define JavaScript classes. There are two things worth remembering about them. Firstly, unlike with objects, you don't need to put commas between class method definitions. Secondly, unlike many other languages with classes, in JavaScript the value of this in a method [depends on how it is called](https://developer.mozilla.org/en-US/docs/Web/Jav

	-='cd -'
	...=../..
	....=../../..
	.....=../../../..
	......=../../../../..
	1='cd -'
	2='cd -2'
	3='cd -3'
	4='cd -4'
	5='cd -5'

	// List all files in a directory in Node.js recursively in a synchronous fashion
	var walkSync = function(dir, filelist) {
	var fs = fs \|\| require('fs'),
	files = fs.readdirSync(dir);
	filelist = filelist \|\| [];
	files.forEach(function(file) {
	if (fs.statSync(dir + file).isDirectory()) {
	filelist = walkSync(dir + file + '/', filelist);
	}
	else {

	/*
	Code examples from the article: S.O.L.I.D The first 5 priciples of Object Oriented Design with JavaScript
	https://medium.com/@cramirez92/s-o-l-i-d-the-first-5-priciples-of-object-oriented-design-with-javascript-790f6ac9b9fa#.7uj4n7rsa
	*/

	const shapeInterface = (state) => ({
	type: 'shapeInterface',
	area: () => state.area(state)
	})

	git tag -am "annotation goes here" tagname_goes_here # cut a tag
	git tag -d tagname_goes_here # burn it
	git tag -am "annotation goes here" tagname_goes_here # cut another tag
	git push --tags # push tags to remote
	git push origin :refs/tags/tagname_goes_here # delete tag from remote

	WebPDecodeAndDraw = function (data) {
	var decoder = new WebPDecoder();

	var bitmap = decoder.WebPDecode(data, data.length);

	if (bitmap) {
	//Draw Image
	var output = ctx.createImageData(canvas.width, canvas.height);
	var biWidth = canvas.width;
	var outputData = output.data;

	console.reset = function () {
	return process.stdout.write('\033c');
	}