Weeknotes 2026 W43: How to run an exercise

Quick bits 4 PHP, despite all its flaws, remains something I’ll gladly use. I even recently updated my contact form with some additional spam protection! The web feed for my week­notes now has an XSL stylesheet, so that it no longer renders as raw XML. It always felt jarring to link to an XML file with no style. The stylesheet now shows a bit of information about what to actually do with that file. Sadly, XSLT support is being removed from browsers, so this might not last for much longer. I added convert-to-WebP and resize filters to my web site a few weeks ago, but now almost 80% of compilation time is spent in image handling (if I don’t do an incremental compilation). It’d probably be smarter to fix the source images instead. I wonder whether my synaesthesia is one of the reasons why my DDID numbering scheme works so well. Digits have colours, and so DDIDs are colourful, too. In Germany, the parcel service DPD is one of the worst. I’ve had nothing but trouble with them. And…