lzehrung’s gists

lzehrung / restart-win-audio.ps1

Created February 9, 2026 16:36

restart windows audio

	Restart-Service -Name AudioEndpointBuilder -Force;
	Restart-Service -Name Audiosrv -Force;

lzehrung / op-name.ts

Last active January 28, 2026 01:45

TS class and function name helper

// see https://www.typescriptlang.org/play/?#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

lzehrung / ts-prop-path.ts

Created November 30, 2025 22:30

Type-checked property path

// https://www.typescriptlang.org/play/?#code/PTAEEEBtNA3BDSBLAJqFB7ALgWgM4CmADvAE7xYFolYAWeoAZhqaACoBQWAnkQaAAUKtADxsAfKAC8HUKBCgAShmygkDeADtQZct1ntQBAB6VNKBqQLxMmyN1AAKJJsYFWAVQCUAbQC6BnIA-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-aRegSrsiFtZOkaAVg2Di9hOO+ni+AEoqgDaWpqBoY7cGUz5oIkkabqkvoJCk7g4MgnwliYjwhChN4AW02GdN+6IKAA8poez8ImhHGEGrqFnoZRWIkBA4awwbbvABxOIOw60KOxZSEGpD1l4TIhDWdYNpoTYDGUn5YGUwL1oyGLGqa7iPAo2rrCiBzHqeoBofumHwKAGpGqApH-hcGo-Ow8mCMItaQPWjbuGIPgoX46mXpp7BDhgubiYhunovpZqkAYCgAHIYFZLD8Jg+JlDuTowIQoI8faBgnH+CIAUBti

lzehrung / remove-node_modules-recurse.ps1

Created May 10, 2024 17:44

powershell remove node_modules recursively

Get-ChildItem -Path "." -Include "node_modules" -Recurse -Directory | Remove-Item -Recurse -Force

lzehrung / all-settled-with-concurrency.ts

Last active March 31, 2025 13:20

`promise.allSettled` but with a concurrency limit

	type PromiseGenerator<T> = () => Promise<T>;

	interface PromiseResult<T> {
	status: 'fulfilled' \| 'rejected';
	value: T \| Error;
	}

	/**
	* Executes a list of promise-generating functions with a specified maximum concurrency,
	* returning a promise that resolves to an array of results. Each result includes the

lzehrung / test-express-timeout.ts

Last active July 14, 2023 14:40

Test express connect-timeout middleware

	import express from 'express';
	import requestTimeout from 'connect-timeout';

	express()
	.get(
	'/long-running',
	requestTimeout('3s', {
	respond: false,
	}),
	(req, res) => {

lzehrung / random-generators.ts

Last active May 17, 2023 04:37

https://www.typescriptlang.org/play?#code/MYewdgzgLgBAhgGwA4As4wLwwORwEbAAmApgGbYB0UIAqkksQE4DCcExAFAJQURIIBLKB2zYuAbgBQoSLEZwwhEAFsAcgFdleJphjdMAPhgBZOFBQVSCECEYdT5ivMUr9AKhgBGAAw9qAZShGATAAc24pGWgYZyVlABliKCgdLH0MI0RUOABtBwsrGzt8pwU493hkNAoEYjDzLgBdSPBo2JVmNHlgFMZddKMS9uV9I28KAFYYAH4YspVE5KZ9AC45lzVNbTsJSUlSdTAegXAYULqmM2IAeSgkDlr6lF0ANi4YAG9J…

	const alpha = 'abcdef'.toUpperCase().split('');
	const randomNumber = () => Math.floor(Math.random() * 10).toString();
	const randomLetter = () => alpha[Math.floor(Math.random() * alpha.length)];
	const randomCharacter = () => Math.random() > 0.5 ? randomLetter() : randomNumber();

	function generateOtp(length = 6) {
	return Array.from({ length }, randomCharacter).join('');
	}

	const pass = generateOtp();

lzehrung / await-promiseall-vs-sequential.ts

Last active August 26, 2022 03:48

Demo of 'await Promise.all' vs sequential await - https://www.typescriptlang.org/play?#code/IYZwngdgxgBAZgV2gFwJYHsIwA4Cd0C2qIApgIIA2FAFAJQwDeAUDKzFJiMjACbDIkYAXhgQSAdxgARfiToBuFm2DjgqbgAV8RUgDpgVagG0lbNmMlbCxOdVwkQ6CgDcS9IQD5GpszFLIAFVQCEnQEZDsHJ1cAGhgAJgAGZNpFXzYAX1oYnzMLGCsdW3tHFzdhL2Z09P8gkLCIkuiSOKSUtOqsgF0fVJ8OCFKSXQp0AHNqAAMDChhkdHQAaxgAE…

	// https://www.typescriptlang.org/play?#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

	async function promiseAll() {
	const date = new Date();
	await Promise.all([
	new Promise((resolve) => {
	setTimeout(resolve, 2000);
	}),
	new Promise((resolve) => {
	setTimeout(resolve, 2000);

lzehrung / nextjs_nested_dynamic_routes.md

Last active May 19, 2022 02:46

next.js nested dynamic routes

url: /states/IN/counties/12345

folder structure:

/pages
  /states
    /[state]
      /counties
        [county].tsx
 index.tsx

lzehrung / win-foreign-addr.ps1

Created May 6, 2022 20:58

open connections

	netstat -p TCP -fan \| Select -Skip 4 \| ForEach {
	$Properties = $_.Trim() -split '[\s]+'
	[PSCustomObject]@{
	'Proto'= $Properties[0]
	'Local Address'= $Properties[1]
	'Foreign Address'= $Properties[2]
	'State'= $Properties[3]
	}
	} \| Select -Expand 'Foreign Address'

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