David LJ davidlj95

Computer Science Engineer. Passionate Systems Administrator, Full-stack software developer and Cryptography and secure systems fan

davidlj95 / luarocks-install.sh

Created June 18, 2024 18:03

LuaJIT + luarocks in macOS with brew

luarocks install --tree=$(brew --prefix)/lib/lua/5.1 luasocket

davidlj95 / print-renovate-config.sh

Last active June 4, 2024 14:22

Print Renovate configuration

	# Local
	LOG_LEVEL=debug pnpm dlx renovate \
	--platform local \
	--print-config true

	# GitHub hosted
	REPO="user/repo"
	LOG_LEVEL=debug pnpm dlx renovate \
	--dry-run extract \
	--print-config true \

davidlj95 / http-security-headers-response.http

Last active May 5, 2024 15:48

HTTP response with all security headers for a CSR/SSR/SSG Angular app - davidlj95.com

	HTTP/2 200
	date: Sun, 05 May 2024 15:39:06 GMT
	content-type: text/html; charset=utf-8
	cache-control: public, max-age=0, must-revalidate
	report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ZNcUyO8%2FNm1megeD0GbqGongpd3IiRZ7OizUiPtTDwjeFbtsiQmY%2F0xbwB%2F87Vpm1IK6Oje3JneArNv6fSQad3wC37ZwuqNjIunCyd4nh9p2YX0pLnBTXiM8TafWlw%2Fz"}],"group":"cf-nel","max_age":604800}
	nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
	vary: Accept-Encoding
	cf-cache-status: DYNAMIC
	strict-transport-security: max-age=15552000; preload
	expect-ct: max-age=86400, enforce

davidlj95 / make-for-root-guard.ts

Created December 20, 2023 18:31

Angular `makeForRootGuard` helper

	import {
	FactoryProvider,
	InjectionToken,
	Optional,
	SkipSelf,
	Type,
	} from '@angular/core'

	/**
	* Helps to make a `forRoot` guard to ensure a module is not imported

davidlj95 / dated-files-renamer.sh

Last active September 7, 2023 17:31

File with dates renamer. From (YYYY.MM.DD). From YYYYMMDD. To YYYY-MM-DD. Replaces _ with -

	#!/bin/sh
	[ $# -eq 0 ] && >&2 echo "❌ No files provided as arguments" && exit 1
	NOSPACES_FILE_REGEXP="^([0-9]{4})([0-9]{2})([0-9]{2})(.*)$"
	PARENTHESES_FILE_REGEXP="^$([0-9]{4})\.([0-9]{2})\.([0-9]{2})$(.*)$"

	for filename in "$@";
	do
	new_filename="$filename"
	printf "\"$filename\""
	# No spaces

davidlj95 / gh-repos-with-pages.sh

Last active September 6, 2023 22:26

GitHub repositories with GitHub Pages enabled

	#!/bin/sh
	repos=$(gh repo list --limit 100 --json nameWithOwner \| jq -r '.[].nameWithOwner')
	count=0
	echo "{"
	for repo in $repos; do
	has_pages="$(gh api repos/"$repo" --jq '.has_pages')"
	echo " \"$repo\": $has_pages,"
	if [ "$has_pages" = "true" ]; then
	: $((count+=1))
	fi

davidlj95 / seo-tags.html

Last active August 17, 2023 16:46

HTML SEO tags: Jekyll SEO tag generated & @ngaox/seo compatible

	<!--
	SEO HTML data
	The list below is copy/pasted from generated SEO data using Jekyll SEO tag v2.8.0
	Next to it if `@ngaox/seo` supports it built-in (✅), can be set via custom meta tags (✅🛠️) or is not supported (❌)
	-->
	<title>David LJ 🔗 @davidlj95</title> <!-- ✅ -->
	<meta property="og:title" content="David LJ 🔗 @davidlj95"/> <!-- ✅ -->
	<meta name="author" content="davidlj95"/> <!--✅🛠️ -->
	<meta property="og:locale" content="en"/> <!-- ✅🛠️ -->
	<meta name="description" content="/dev/random software engineer. Connecting technology & RealLife™"/> <!-- ✅ -->

davidlj95 / flaixfm-podcast-urls-extractor.js

Last active May 4, 2023 02:21

FlaixFm podcast URL extractor

	function getNextButton() {
	return document.querySelector('.podcast-pagination .right_arrow');
	}

	function hasNextButton() {
	const nextButtonStyle = window.getComputedStyle(getNextButton());
	return nextButtonStyle.opacity !== '0'
	}
	function sleep(ms) {
	return new Promise(resolve => setTimeout(resolve, ms));

davidlj95 / fix-paperkey.sh

Created July 2, 2022 03:43

Helps fixing a GPG paperkey using checksums & vim

	#!/bin/bash
	#
	# So you have backed up your GPG key using paperkey, and have scanned it
	# using OCR techniques. However, it's not perfect and some checksums do not match
	# Some 8s are Bs, 0s are Os... This script will try to spot errors so you
	# can compare those lines and fix them
	#
	# Given a secret key exported using paperkey, tries to decode it.
	#
	# In case a CRC checksum wrong is found, a vim editor will be opened

davidlj95 / tickers-kraken.30s.sh

Last active June 28, 2019 01:32

Retrieves Kraken ticker information to be used with argos

	#!/bin/sh

	# <bitbar.title>Kraken.com price tickers</bitbar.title>
	# <bitbar.version>v1.0</bitbar.version>
	# <bitbar.author>davidlj95</bitbar.author>
	# <bitbar.author.github>davidlj95</bitbar.author.github>
	# <bitbar.desc>Last selected tickers from Kraken.com</bitbar.desc>
	# <bitbar.image>https://i.imgur.com/iGX2yjR.png</bitbar.image>
	# <bitbar.dependencies>jq,curl</bitbar.dependencies>
	#