Please read the introduction page.
Guns are patterns that repeat periodically like an oscillator and thereby emit new patterns. That means that a finite number of cells can produce an unlimited number of new cells. The discovery of a glider gun by Bill Gosper came as a complete surprise to Conway. It is the smallest gun so far, too.
How to run CGI scripts with old Perl versions by employing perlbrew.
The discontinued WordPress plugin ‘Post Archival in the Internet Archive’ leads to a massive increase of TTFB. Learn how to fix it.
A demonstration of the Palview 4 PGN viewer.
Anleitungen zur Deaktivierung der Paßwortabspeicherung in verschiedenen Browsern (Chrome, Edge, Firefox, Internet Explorer, Opera, QtWeb).
Da meine Seite immer wieder mit Suchworten gefunden wird, die die aktuelle Jahreszahl enthalten, erkläre ich hier einmal, wie man Google-Suchen verfeinert.
I had a hard time when trying to update my Tiny Tiny RSS instance running as Docker container behind Nginx as reverse proxy. I experienced a lot of nasty 502 errors because the container did not return proper data to Nginx. I fixed it in the following manner: First I deleted all the containers and…