The Beacon API is used to send an asynchronous and non-blocking request to a web server. The request does not expect a response. Unlike requests made using XMLHttpRequest or the Fetch API, the browser guarantees to initiate beacon requests before the page is unloaded and to run them to completion.

This web app displays notes and slides in separate windows,
keeping both synchronised.
It accepts simple, double-width, or double-height PDF presentations:

I just learned that
you can use it to review a git commit like this and I thought that was really
cool.

My take on what could be a project template for Django advanced usage, with modern tooling (for Python and UI dependencies, as well as configuration/environment management), but not too opinionated.

A fun, hands-on guide to writing your own compiler for a real-world programming language.

Using systemd to avoid having to write some risky code

Official website of the Pimalaya project.

A single-user “wiki” engine powering the ThoughtStorms wiki.