4lun’s gists

4lun / 2024_05_16_152355_create_system_meta_table.php

Last active May 16, 2024 16:40

Laravel faux scheduler (i.e. faux cron), if running in an environment that lacks a decent scheduler/cron option (e.g. DigitalOcean App Platform). Primarily designed to be triggered via uptime checker, e.g. can hook into health check endpoint `Event::listen(function (DiagnosingHealth $event) { FauxScheduler::dispatch(); });`

	<?php

	use Illuminate\Database\Migrations\Migration;
	use Illuminate\Database\Schema\Blueprint;
	use Illuminate\Support\Facades\Schema;

	return new class extends Migration
	{
	/**
	* Run the migrations.

4lun / helpers.php

Created April 22, 2024 12:00

Laravel Route macros/helpers for serving multiple domains

	<?php

	use Illuminate\Http\Request;
	use Illuminate\Support\Facades\Route;

	// Usage:
	//
	// Route::domain('domain.com', function () {
	// Route::get('/', [DomainController::class, 'index']);
	// });

4lun / apache_app.conf

Last active April 18, 2024 16:32

Get access logs on DigitalOcean App Platform (with PHP via heroku-php-apache2) logging the forwarded Client IP by default on the "Runtime Logs" tab

	# Update run_command in app spec to pass config, e.g. `run_command: heroku-php-apache2 -C apache_app.conf public/`

	DirectoryIndex index.php index.html index.htm

	# mod_remoteip should be loaded by default, but needs configuration
	RemoteIPHeader DO-Connecting-IP
	# Trust any private IPv4 ranges
	RemoteIPTrustedProxy 10.0.0.0/8
	RemoteIPTrustedProxy 172.16.0.0/12

4lun / git-clone-different-ssh-key.sh

Created February 20, 2024 10:32

Clone a git repo using an alternative ssh key

GIT_SSH_COMMAND="ssh -i ~/.ssh/PRIVATE_KEY" git clone [email protected]:ORG/REPO.git

4lun / gist:9a9bd9c3d195d22005216d71ec661b55

Created January 19, 2024 15:15

Nginx server block config lines for piping access_log and error_log to syslog (useful for then getting relayed to papertrail). Source: https://chabik.com/nginx-logging-to-syslog/

	access_log syslog:server=unix:/dev/log,tag=nginx,nohostname,severity=info combined;
	error_log syslog:server=unix:/dev/log,tag=nginx,nohostname,severity=error;

4lun / toBlueprint.js

Created November 30, 2023 10:20

Generate a quick and dirty type "blueprint" of a JS object/array/variable

	function toBlueprint(obj) {
	if (!obj \|\| typeof obj !== 'object') {
	return obj;
	}
	if(Array.isArray(obj)) {
	return obj.map(toBlueprint) // nit: won't unify common props
	}
	return Object.keys(obj).reduce((acc, key) => {
	let blueprint = typeof obj[key];
	if (blueprint === "object" && blueprint) {

4lun / t480s-fix-trackpad.bashrc

Created June 14, 2023 09:28

Trackpad sometimes stops working on T480s under Ubuntu, this restarts the driver which "fixes" it (until it stops again) without a restart

alias fix_trackpad="sudo modprobe -r elan_i2c && sudo modprobe elan_i2c"

4lun / useEffectDebug.ts

Created March 21, 2023 12:20

Simple useEffect debug hook for figuring out which dependencies have changed in React

	import { DependencyList, EffectCallback, useEffect, useRef } from 'react';

	const useEffectDebug = (
	effect: EffectCallback,
	deps: DependencyList,
	label?: string,
	) => {
	const previous = useRef<DependencyList>();
	useEffect(() => {
	const changedDepIndexes: number[] = [];

4lun / index.html

Created September 17, 2019 17:24

Source of https://tilde.club/~alun/

	<html>
	<head>
	<title>~alun</title>
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<style>
	body {
	box-sizing: border-box;
	margin: 0;
	padding: 2vh 5vh 4vh;
	background: #050505;

4lun / macos-dev-setup.sh

Created October 8, 2018 15:59

	/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

	brew install nvm && echo -e "\
	NVM_DIR=\"$HOME/.nvm\"\n. \"/usr/local/opt/nvm/nvm.sh\"
	" >> ~/.bash_profile && source ~/.bash_profile &&
	nvm install v8 --default &&
	brew cask install iterm2 chromium visual-studio-code 1password authy alfred

	sudo rm -rf Downloads/
	ln -s ~/Desktop Downloads

Alun Davey 4lun