Lingjia Liu mutoo

Geek / Web Developer / Game Programmer

mutoo / get_source_map_links.js

Last active March 18, 2024 16:23

Get all source map links on page. Usage: create a snippet on `chrome devtools > sources > snippets` and run it.

	const scriptTags = Array.from(document.querySelectorAll('script'));
	const scriptSrcs = scriptTags.map(tag=>tag.src).filter(i=>i);
	const SOURCE_MAPPING_URL = "//# sourceMappingURL=";

	const maybeSourceMappingURLs = await Promise.allSettled(scriptSrcs.map(async(src)=>{
	const code = await fetch(src).then(resp=>resp.text());
	const lastLine = code.split("\n").pop();

	if (!lastLine.startsWith(SOURCE_MAPPING_URL)) {
	throw new Error('This scripts don\'t have sourcemap');

mutoo / zellersCongruence.js

Last active March 15, 2023 23:04

caldulated day of week with zellersCongruence, by GPT-4

	// Zeller's Congruence function
	function zellersCongruence(year, month, day) {
	if (month < 3) {
	month += 12;
	year -= 1;
	}

	const A = year % 100;
	const B = Math.floor(year / 100);
	const F = A + Math.floor(A / 4) + Math.floor(B / 4) - 2 * B + Math.floor(13 * (month + 1) / 5) + day;

mutoo / ping.py

Created March 14, 2023 23:41

thefuck customized rule: ping – fixes cannot resolve host issues when http(s):// is prepended (eg. copy url from browser address bar);

	# -- encoding: utf-8 --
	from six.moves.urllib.parse import urlparse
	from thefuck.utils import for_app, memoize


	@memoize
	def get_hostname_from_url(maybeUrl):
	try:
	results = urlparse(maybeUrl)
	return results.hostname

mutoo / svg-path-data-1.1.ne

Created July 27, 2021 07:05

a nearley grammar of BNF for svg path data

	# The grammar for path data
	# it's implementing the svg 1.1 spec
	# https://www.w3.org/TR/SVG11/paths.html#PathDataBNF
	#
	# N.B. This Implementation Is Ambiguous!
	# e.g. M0.6.5 -> M 0 6.5 \| M 0.6 0.5
	#

	@{%
	const it = (it) => it;

mutoo / ecosystem.config.js

Created May 28, 2021 05:43

fan control with pm2 service

	const path = require('path');

	module.exports = {
	apps: [
	{
	name: 'fan-ctrl',
	cwd: path.resolve(__dirname),
	interpreter: 'python3',
	cmd: 'fan_ctrl.py',
	// Options reference: https://pm2.keymetrics.io/docs/usage/application-declaration/

mutoo / get-common-ratio.js

Created March 10, 2021 12:23

	{
	const ratioConfig = (x, y) => ({
	x,
	y,
	ratio: x / y
	})

	const commonRatio = [ratioConfig(1, 1), ratioConfig(4, 3), ratioConfig(16, 9), ratioConfig(16, 10)];

	const getRatioConfig = (x, y) => {

mutoo / instanceOf.js

Created July 23, 2020 23:56

the instanceOf function that works with primitive type.

	function instanceOf(inst, cls) {
	if (inst === null \|\| inst === undefined)
	return false;
	if (typeof cls !== 'function')
	throw new TypeError("Second parameter is not a constructor");
	let instance = inst;
	while (instance.__proto__) {
	if (instance.__proto__ === cls.prototype) {
	return true;
	}

mutoo / rope-smooth-rotation.html

Created July 18, 2020 12:57

use wander(steering behaviors) as smooth rotation

	<canvas id="stage"></canvas>
	<style>
	* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	}
	</style>
	<script>
	const stg = document.getElementById('stage');

mutoo / triangles.lua

Last active June 16, 2020 14:24

draw random triangles in aseprite

	local image = app.activeCel.image:clone()
	local black = Color { r = 0, g = 0, b = 0, a = 255 }
	local white = Color { r = 255, g = 255, b = 255, a = 255 }

	local width = image.width
	local height = image.height
	local size = width * height

	local nearest = 0.1
	local farest = 1000

mutoo / fibonacci-50000000

Created March 14, 2020 21:32

the answer of the fibonacci[50000000]

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