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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Rado Kirov has been one of several people working through the exercises in my Lean formalization of my Analysis I textbook at github.com/teorth/analysis . For several months he proceeded by hand, teaching himself Lean; see rkirov.github.io/posts/lean3/ and rkirov.github.io/posts/lean4/ . But recently, he switched to using Claude Code, significantly accelerating the process, to the point where all the exercises in three section could be formalized in a weekend, with only a few hours of active intervention: rkirov.github.io/posts/lean5/ . This is already notable, but I found Rado's description of his precise workflow, and the carefully curated prompt at github.com/rkirov/analysis/blo he used, to be particularly interesting, with an emphasis not on just solving the exercises, but aligning it to his desired writing style, and identifying "pitfalls" in the formalizing process (which were recorded separately at github.com/rkirov/analysis/blo ). These sorts of experiments suggest that using these automated tools to take over tedious tasks such as formalization may not necessarily reduce our own capability to achieve these tasks; with the proper workflows, they could actually enhance our understanding of the process.

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Linus Torvalds Rejects MMC Changes For Linux 7.0 Cycle: "Complete Garbage"

The Linux MultiMediaCard "MMC" subsystem was set to see some new hardware support, optimized support for secure erase/trim on some eMMCs, and a variety of other improvements. But all of the MMC changes are rejected and will be for the duration of the Linux 7.0 cycle due to an apparent lack of testing and vetting via linux-next that led Linus Torvalds to calling it "complete garbage" and "untested…
phoronix.com/news/Linux-7.0-No

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passed to me from a minnesotan on the ground in minneapolis, boiled down into bullet points

-- people are hiding others in their houses now.

-- ICE is following white people home from the store if they think they might be buying food for someone else.

-- ICE is supposed to be switching to night raids soon to avoid observers.

-- it's generally understood that if you're detained it's a mugging and if you're raided it's an armed robbery because they WILL steal your shit. phones are #1 obviously so they can find more victims, but anything they can steal and sell, they will. pass this on if you have anyone to pass it onto. i have been explicitly given the "PLEASE DO" of sharing on this. social media has slowed down not because it's gotten better but because people have gotten tired or bored and minnesotans are too busy fighting back and trying to survive.

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Remember chat, just because something disgusts you doesn't mean it's necessarily a problem. You might want to avoid it for yourself though.

Some relatively popular things come off as body horror to me, after all.

(Some of those things, on a medical level, legitimately are both normal but also horrifying.)
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discord: we have permissions you can define in roles and override per-channel and per-user. you define them once in a community and they all apply to all channels unless overriden

literally every "alternative": we got.... uhhh.... number. the bigger the number the more you can do. it's between 1 and 100. no you can not change what the numbers do
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Street Art Utopia shared the below article:

Made You Feel (10 Photos)

STREET ART UTOPIA @streetartutopia@streetartutopia.com

From tiny chalk mice hiding in plain sight to massive murals and woven sculptures, these works are all about the vibes. Whether it is a beach in Wales or a wall in Madrid, these artists know exactly how to pull at our heartstrings! More: Made You Smile Again (10 Photos) 🐭 1. The Elopement — By David Zinn in Michigan, USA 🇺🇸 Look at these two little runaways! A pair of mice are caught in a romantic escape right on a brick wall. David Zinn has a magical way of making the sidewalk […]

Read more →
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RE: wandering.shop/@xgranade/11605

Do you:
- Think TOML is basically the Solution to serialized data?
- Not want to use TOML because you don't like "Tom", and you don't like putting his name all over your filesystem?

This problem is now solved in the pettiest way (and there's nothing wrong with that): MINI or Modern INI, the format which is exactly like TOML in every way except the file extension.

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Minnesota Twin City neighbors are still going through it. That so-called 'draw down' was a ploy to get media to leave and it worked. ICE and Border Patrol are still everywhere and they haven't stopped.

There's a lot going on everywhere but if you can still be a witness and amplification point for Minneapolis/St Paul, that would be great.


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If you're interested in funding or helping us find funding for a Discord replacement that's federated and end-to-end encrypted, we're interested in implementing that at @spritelyThe Spritely Institute ... we even had been talking about that being our big focus for 2026.

We have the skills and the underlying tech to pull this off. What we need right now is resources. Funding for open source nonprofits like ours really fell apart in 2025. If you think you know how to help, feel free to reach out.

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An Adelphi University student in New York successfully sued his school for using Turnitin's faulty AI detection. Could someone with PACER access please download the judgment for me? Orion Newby vs. Adelphi University in New York Federal Court. I'd like to see if it's as groundbreaking as is being reported.

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