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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hackaday @hackaday@hackaday.social
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2025 One Hertz Challenge: Educational Tool Becomes 10 Stopwatches

hackaday.com/2025/08/15/2025-o

2025 One Hertz Challenge: Educational Tool Becomes 10 Stopwatches

Around the globe, some classrooms are using fancy digital handheld devices to let people answer questions. One such example of this hardware is the Smart Response PE. These devices are largely usel…

hackaday.com · Hackaday

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Hacker News 100 @hn100@social.lansky.name
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Compiler Bug Causes Compiler Bug: How a 12-Year-Old G++ Bug Took Down Solidity

Link: osec.io/blog/2025-08-11-compil
Discussion: news.ycombinator.com/item?id=4

Compiler Bug Causes Compiler Bug: How a 12-Year-Old G++ Bug Took Down Solidity

A subtle G++ bug from 2012, C++20's new comparison rules, and legacy Boost code can collide to crash Solidity's compiler on valid code. We unpack the surprising chain reaction and how to fix it.

osec.io · OtterSec

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Week in Fediverse @weekinfediverse@mitra.social
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Shared by @reiver ⊼ (Charles) :batman:

Week in Fediverse 2025-08-15

Servers

- Manyfold v0.121.0
- Hubzilla v10.4.3
- NeoDB v0.11.8.3
- Oni: A single user ActivityPub server that supports Client to Server API

Clients

- Tusky v30.0
- Tuba v0.10.1
- tinmop v0.9.9.14142135623730951
- Aria v1.3.6
- Blorp v1.9.11
- NeoDB You: A native Android App for NeoDB

For developers

- APx v0.16.0
- fediverse-pasture-inputs v0.1.16

Articles

- Big Updates Are Coming to Loops
- Is Meta Scraping the Fediverse for AI?
- Bridging identity with account links
- There is One Fediverse. There are a Million Fediverses
- Fediverse Report – #129

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#WeekInFediverse #Fediverse #ActivityPub

Previous edition: https://mitra.social/objects/01988be7-7a91-ee71-ece6-1684c60759e8

Release v0.121.0

This release is mostly invisible background work for future features, though there are a few little improvements you might notice.

manyfold.app · Manyfold

Link author: Manyfold@manyfold@3dp.chat

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Darius Kazemi @darius@friend.camp
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Shared by @reiver ⊼ (Charles) :batman:

For a sneak preview of my followup to the Fediverse Schema Observatory, there's now a project page on the lab website for the ActivityPub Fuzzer:

asml.cyber.harvard.edu/activit

Basically it lets an ActivityPub server developer test compatibility with simulated messages from Fediverse software known to the Observatory (dozens of software projects and hundreds of versions!). The dev can do this entirely in a local dev environment.

The project is still in the works but I'll be releasing the code soon.

ActivityPub Fuzzer - Applied Social Media Lab at Harvard University

The Lab at Harvard’s Berkman Klein Center is home to technologists building an Internet for the public good. This is for them, and also for memes

asml.cyber.harvard.edu · Applied Social Media Lab at Harvard University

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amos @fasterthanlime@hachyderm.io
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👋 I'm making a bunch of changes!

- Discord server
- Revamped early access (w/video)
- Dual RSS feeds

All that and more in my summer update: fasterthanli.me/articles/summe

Summer fasterthanlime update

There are news! TL;DR: If you’re a patron or sponsor, check your Profile page to get detailed explainers of every perk. You’ll need to log in. Duh. Here are all the changes I’m implementing, summar...

fasterthanli.me · fasterthanli.me

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Hacker News 100 @hn100@social.lansky.name
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It seems like the AI crawlers learned how to solve the Anubis challenges

Link: social.anoxinon.de/@Codeberg/1
Discussion: news.ycombinator.com/item?id=4

Codeberg (@Codeberg@social.anoxinon.de)

It seems like the AI crawlers learned how to solve the Anubis challenges. Anubis is a tool hosted on our infrastructure that requires browsers to do some heavy computation before accessing Codeberg again. It really saved us tons of nerves over the past months, because it saved us from manually maintaining blocklists to having a working detection for "real browsers" and "AI crawlers".

social.anoxinon.de · social.anoxinon.de - Mastodon

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twm @twm@bsd.cafe
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In 2001 my then-boss borrowed my digital camera to take a photo of his car which he was about to sell. Can you guess what his favourite operating system was?

A photo of a VW Golf with the license plate "FB-SD 321" and a "Beastie" plush toy on the rear window shelf.
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Horologram @horologram.bsky.social@bsky.brid.gy
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내과의사 약속에 못갈것 같아서 다시 약속잡으려고 연락하니 예약이 2달이 밀린다 ㅋㅋㅋㅋㅋㅋ 볼때마다 으메이징한데 아무리봐도 은퇴는 한국에서 해야할듯... 물론 한국이 지금 수준을 잘 유지한다는 가정하에... 아 안되려나 은퇴는 어디서 해야하냐 (먼산 바라보기)

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Simon Willison @simon@fedi.simonwillison.net
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Took some time today to catch up with Johann Rehberger's Month of AI Bugs and wow... 15 examples so far of major prompt injection vulnerabilities in products including ChatGPT, Codex, Cursor, Amp, Devin, Claude Code, GitHub Copilot and Google Jules simonwillison.net/2025/Aug/15/

The Summer of Johann: prompt injections as far as the eye can see

Independent AI researcher Johann Rehberger has had an absurdly busy August. Under the heading The Month of AI Bugs he has been publishing one report per day across an array …

simonwillison.net · Simon Willison’s Weblog

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@reiver ⊼ (Charles) :batman: @reiver@mastodon.social
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Shared by dansup

My for today is — the CrowdBucks source-code is here:

codeberg.org/crowdbucks

It is MVP right now.
So A LOT more work needs to be done, but — it works.

CrowdBucks

CrowdBucks is an open-source Fediverse-native platform for crowdfunding, tipping, payments, and memberships — supporting server admins, open-source developers, creators, and more.

codeberg.org · Codeberg.org

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thegrumpyenby @thegrumpyenby@tenforward.social
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Shared by Sarah Rainsberger

♻️ Please boost! ♻️

Looking for frontend devs for volunteer open-source team at a humanitarian aid org! As a Frontend Developer at Distribute Aid (distributeaid.org), you’ll create new pages for our website and update/maintain existing ones, often working closely with our designers and other devs. Looking for mid/long-term commitment. Main goal is to finally get our website relaunched. Volunteer commitment is ~5h/week.

Stack: NextJS, TypeScript, Strapi, Radix UI

We’re looking for experienced devs who are reliable, organised, and can communicate well. You do not need to know the full stack you’ll be working with. You just need to know how to learn and ask for help if you need it. Previous open source experience is nice but not strictly necessary. If you learn quickly and willingly, we can help you get started

It would be good if you have some availability overlapping with Central European Time and can make it to at least 1x tech hang per month and 1x sprint meeting per quarter (that’s ~4 meetings a month)

Our tech hangs are every Wednesday and Thursday from 6 to 8 pm CET/CEST and sprint meetings are during tech hang on the first Wednesday of each month

Our tech team is international and diverse—most of our team members are in some way marginalised—and leadership is fully queer/trans.

If you’re interested, please get in touch via tech@distributeaid.org. That comes directly to me as the Technical Program Manager. If you have any questions, you can ask me here too :)

Join Distribute Aid’s Open-Source Tech Team Volunteer your time & skills to work on our new website We’re looking for experienced frontend devs who want to work in a distributed & diverse open-source tech team! - Stack: NextJS, TypeScript, Strapi, Radix UI - Volunteer commitment: ~5h/week - Work in a team: Collaborate at our weekly tech hangs - Monthly sprint meetings: join at least 1x/quarter - Some availability overlapping with Central European Time is ideal - Previous OSS experience helpful but not strictly necessary Reach out to tech@distributaid.org (with your GitHub handle) if you’re interested!
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Pan! ⚙️ :flagEnby: @pan@wetdry.world
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story of stdin and stdout

praise be to saint din, we wait on it for further instructions.

have faith in saint dout, we can only pray the info we sent gets where it's needed.

and make sure to lean on saint derror, tell it all the things that have gone wrong in life.

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Ricardo Martín @ricardo@mastodon.bsd.cafe
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Workaround to bootstrap bookworm
"Couldn't find these debs: usr-is-merged"
github.com/BastilleBSD/bastill

bootstrap: Workaround to bootstrap bookworm by tschettervictor · Pull Request #1123 · BastilleBSD/bastille

Bastille is an open-source system for automating deployment and management of containerized applications on FreeBSD. - bootstrap: Workaround to bootstrap bookworm by tschettervictor · Pull Request #1123 · BastilleBSD/bastille

github.com · GitHub

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tesaguri 🦀🦝 @tesaguri@fedibird.com
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AIによる概要、表示についてはスタイルシートでどうとでも出来るけど、それでも無駄に計算資源を使っているという不快感はつきまとうので、もしこの手の迂回方法がなくなったらGoogle検索を使う頻度をさらに減らすことになりそう

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