What is Hackers' Pub?

Hackers' Pub is a place for software engineers to share their knowledge and experience with each other. It's also an ActivityPub-enabled social network, so you can follow your favorite hackers in the fediverse and get their latest posts in your feed.

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That sure was some weather¹ this morning, especially for a bike ride along Toronto's waterfront this fine May 31st. I don't think it broke 11C plus <insert it-windy fox>, fortunately mostly from the north instead of, say, straight from the west. I probably would have been happier in one level warmer gear, and I thought I'd dressed reasonably warmly (I was expecting it to, well, go up). At least it didn't rain on us.

¹ This is said the same way you would say "some bullshit".

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I have just launched a "Lean companion" to my real analysis undergraduate textbook "Analysis I" at github.com/teorth/analysis . This gives a Lean translation (or paraphrasing) of the various definitions, theorems, and exercises in the textbook into Lean, thus allowing for an alternate way for students to work through the text. It is also designed to gradually transition into the standard Lean library Mathlib, thus also potentially serving as an introduction to that library as well.

Further discussion at terrytao.wordpress.com/2025/05

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When using just and uv on a project, which wraps around which? Should I be running `uv run just serve` or should `just serve` run the serving command inside uv?

I’ve done it both ways, and can’t really tell which is better.

I suppose I lean toward the former, so that the justfile would remain useful in a virtual environment created without uv.

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I seem to have successfully configured a new FreeBSD VPS (Vultr) and it's running one of my sites using Caddy. Took about an hour from provision to Caddy to firewall to DNS. Now to go back and figure out how I did it :).

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Alright, I'm dancing with the typos that brung me...

The monthly anxiety of hitting "send" on the @astro email newsletter is replaced by the relative calm of "nothing I can do." Enjoy in all its imperfection: buttondown.com/withastro/archi

(But the full blog post can always accept PRs! astro.build/blog/whats-new-may )

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