Writings from (and often to) Chalmovský

Via's new AVC Streaming License Fee structure, which applies to new licenses beginning in 2026, replaces the old single-cap model with a tiered system that scales sharply with platform size.

A post explaining the advantages of do notation and RecordWildCards over Applicative operators

AWS has officially removed all EC2 instances in Bahrain from their docs.

I don't think it's coming back anytime soon:

When I ssh into a server for the first time, I’m confronted with a dialog which asks me to verify I’m actually talking to the machine I expect to be talking to.

$ ssh -l jane 192.0.2.65
The authen...

This newsletter is free to read, and it’ll stay that way. But if you want more - extra posts each month, access to the community, and a direct line to ask me things - paid subscriptions are $2.50/month. A lot of people have told me it’s

We built a background agent for API integrations. Here is what worked, what failed, and how we made it reliable.

Explore this post and more from the webdev community

how to hide juicy data in plain sight

I’m only now learning about ‘vector meson dominance’—a big idea put forth by Sakurai and others around 1960. Here’s a family of 9 mesons called the ‘vector nonet…

Explore this post and more from the sysadmin community

iNaturalist is a social network for naturalists! Record your observations of plants and animals,
share them with friends and researchers, and learn about the natural world.

Officials say other remains missing in first downing of US fighter plane since start of war

We replaced expensive sandboxes with ChromaFs, a virtual filesystem over Chroma, to give our docs AI assistant the ability to explore documentation like a developer would.

Contribute to RyanCodrai/py-turboquant development by creating an account on GitHub.

A fake token worth a few thousand dollars turned into a $285 million drain on Drift Protocol in 12 minutes. Attackers hijacked governance through durable nonces and social engineering. TRM Labs and Elliptic point to North Korea.