Simon Plantinga

Stuff I like

Welcome to my home page.

16 October 2024·1679 words·8 mins

Mathematics Doomsday Date

An article by John Horton Conway about Doomsday

5 May 2024·4558 words·22 mins

Programming Sudoku Python

We are writing a backtrack sudoko solver in Python.

6 March 2023·991 words·5 mins

Mathematics Memory Doomsday Date

Learn to calculate the weekday for a given date.

28 February 2023·170 words·1 min

Security Development Security

The algorithm behind 2-factor authenticator apps.

15 June 2019·227 words·2 mins

Hacking Resources

A few good resources for practicing web hacking.