DungSaga dungsaga

Hirofumi Nakai Improved

The Doomsday rule was devised by John Conway in 1973 to compute the day of week in your head (https://en.wikipedia.org/wiki/Doomsday_rule). Others have made improvements for easier mental calculation.

Currently, the simplest one is published in 2023 in the paper "A Simple Formula for Doomsday" by Hirofumi Nakai (https://thatsmaths.com/2023/06/22/a-simple-formula-for-the-weekday/).

split the year into century part and the remaining 2-digit part: Y = 100c + y
compute the modulo 4 of these 2 parts: c₄ = c % 4, y₄ = y % 4
the Doomsday would be (5(c₄ + y₄ - 1) + 10y) % 7

While HTML5 is still brewing

Oscar Godson gave us html6spec.com - The Spec That Brings Us Freedom

(on a fine day in 2011 https://github.com/OscarGodson/HTML6).

A few moments later ... ...

(on a fine nite in 2013 https://github.com/zaz/HTML6).

During installation, instead of typing your username and computer name, press CTRL + SHIFT + F3 to boot into Audit Mode
After booting into Audit Mode, click Cancel in the window "System Preparation Tool 3.14"
Create a XML file (such as D:\relocate.xml) containing instructions to move user profiles
Run %windir%\system32\Sysprep\Sysprep.exe /audit /reboot /unattend:D:\relocate.xml
After rebooting again, click OK in the window "System Preparation Tool 3.14"
Continue with normal installation

CUSTOM GAME ENGINES: A Small Study

A couple of weeks ago I played (and finished) A Plague Tale, a game by Asobo Studio. I was really captivated by the game, not only by the beautiful graphics but also by the story and the locations in the game. I decided to investigate a bit about the game tech and I was surprised to see it was developed with a custom engine by a relatively small studio. I know there are some companies using custom engines but it's very difficult to find a detailed market study with that kind of information curated and updated. So this article.

Nowadays lots of companies choose engines like Unreal or Unity for their games (or that's what lot of people think) because d

Opinionated Common Lisp Resources 2020

If programming is more than just a means of getting things done for you, then Common Lisp is for you!

Table of Contents

	<?php
	/**
	* Adminer plugin that display the first CHAR/VARCHAR column of the foreign key
	*
	* @category Plugin
	* @link http://www.adminer.org/plugins/#use
	* @author Bruno VIBERT <http://www.netapsys.fr>
	* @modified by Peter Hostačný <hostacny.peter AT gmail.com>
	* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
	* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)

	https://rfc3161.ai.moda
	https://rfc3161.ai.moda/adobe
	https://rfc3161.ai.moda/microsoft
	https://rfc3161.ai.moda/apple
	https://rfc3161.ai.moda/any
	http://rfc3161.ai.moda
	http://timestamp.digicert.com
	http://timestamp.globalsign.com/tsa/r6advanced1
	http://rfc3161timestamp.globalsign.com/advanced
	http://timestamp.sectigo.com

	#!/usr/bin/env python3
	import re, zlib, sys

	def main(argv):
	print("Salvage text from a broken pdf file")
	print("Usage: salvage-pdf.py [<input_file.pdf> [<output_file.txt>]]")
	pdf = argv[1] if len(argv) > 1 else sys.stdin.fileno()
	input = open(pdf, "rb").read()
	output = salvage_pdf(input)
	txt = argv[2] if len(argv) > 2 else sys.stdout.fileno()

DungSaga dungsaga

Hirofumi Nakai Improved

While HTML5 is still brewing

A few moments later ... ...

Table of Contents

set -e, -u, -x, -o pipefail

move user profile folder of windows 7

CUSTOM GAME ENGINES: A Small Study

Opinionated Common Lisp Resources 2020