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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요리하는 해달🕯🦭🧨 @cookingotter.bsky.social@bsky.brid.gy
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Shared by 잇창명 EatChangmyeong💕🦋

이거 진짜 군대 처우개선 문제 때 많이 느꼈는데 상당수(대다수라곤 안 하겠습니다 슬프니까...) 군대 다녀온 2030남은 군대 처우 개선에 찬성하기는커녕 반대합니다 자기만 고생할 수 없다 이거죠 해병대캠프 수련회로 다녀온 이후 후배들도 가야 한다고 설문지에 적는 그런 발상은 초/중학생 때나 유효하지 진작 졸업해야 하는 게 아니었을까 싶고요.,.... 성인이잖아요 다들

RE: https://bsky.app/profile/did:plc:mk3k3q4ahz2coieim7s44ceb/post/3loq3jucqos2a

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Chloé Azencott @cazencott@lipn.info
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I'm so fed up* with articles about the widespread use of LLM chatbots by university students that only interview students who use them intensively and teachers who have no idea how to encourage students to think by themselves.

Aren't there any stories out there of students who refuse to use them because they realize how detrimental to learning this can be (I'm less interested in those who refuse out of ethical/environmental/geopolitical concerns, not that those aren't valid) or of educators who have found how to effectively encourage students to do their own work, because the point is not the final product but the process?

(Yeah, my Introduction to Data Science course is starting in a few weeks and I'm not looking forward to the time we're going to waste on grading projects written by an algorithm.)

* by which I mean, excessively upset and having difficulty sleeping at night. The despair they induce has even been seeping into some of my dreams.

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생각이 잠든 누혜🎗️ @nuhae.bsky.social@bsky.brid.gy
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Shared by 잇창명 EatChangmyeong💕🦋

기자의 쓰레기같은 질문에 비해 소년의 대답이 너무 훌륭했다. 아이가 무사히 있기를. 그리고 전쟁은 하루빨리 끝나기를.

RE: https://bsky.app/profile/did:plc:adywzg7ar6r6jd3ngkc7y7ln/post/3looevjuz5226

A Wet Owl (Pope) (@levisatyrane.bsky.social)

Oh yeah nice one kid hook that hope for humanity right into my veins

bsky.app · Bluesky Social

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Write.as @write_as@writing.exchange
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Shared by @reiver ⊼ (Charles) :batman:

Just rolled out some fediverse-related improvements:

- Now you can follow Write.as blogs from Ghost! There was a tiny bug with this that we just fixed. (WriteFreely PR: writefreely.org/pull/1373)

- We now support the `preview` property as a fallback for Articles. This will make your posts look much nicer as more platforms support it! (WriteFreely PR: writefreely.org/pull/1374)

This makes Follow request parsing more robust. Previously, this only worked if the object was a URI, which is what many platforms send. Now, we can also handle objects here. I have signed the CLA

Fix ActivityPub following from Ghost by thebaer · Pull Request #1373 · writefreely/writefreely

This makes Follow request parsing more robust. Previously, this only worked if the object was a URI, which is what many platforms send. Now, we can also handle objects here. I have signed the CLA

github.com · GitHub

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SyoBoN @syobon@post.syobon.net
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こころのこもった手書きSCSSと手書きHTMLテンプレート
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요리하는 해달🕯🦭🧨 @cookingotter.bsky.social@bsky.brid.gy
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이거 진짜 군대 처우개선 문제 때 많이 느꼈는데 상당수(대다수라곤 안 하겠습니다 슬프니까...) 군대 다녀온 2030남은 군대 처우 개선에 찬성하기는커녕 반대합니다 자기만 고생할 수 없다 이거죠 해병대캠프 수련회로 다녀온 이후 후배들도 가야 한다고 설문지에 적는 그런 발상은 초/중학생 때나 유효하지 진작 졸업해야 하는 게 아니었을까 싶고요.,.... 성인이잖아요 다들

RE: https://bsky.app/profile/did:plc:mk3k3q4ahz2coieim7s44ceb/post/3loq3jucqos2a

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Cory Doctorow @pluralistic@mamot.fr
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Shared by @reiver ⊼ (Charles) :batman:

"Who Broke the Internet?" is a new podcast from CBC Understood that I host and co-wrote - it's a four-part series that explains how the enshitternet came about, and, more importantly, what we can do about it. Episode one is out this week:

cbc.ca/listen/cbc-podcasts/135

--

If you'd like an essay-formatted version of this thread to read or share, here's a link to it on pluralistic.net, my surveillance-free, ad-free, tracker-free blog:

pluralistic.net/2025/05/08/who

1/

The logo for 'Who Broke the Internet' - a shattered hard-drive with the CBC logomark.
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에스텔 뉴스계정 @transborder.bsky.social@bsky.brid.gy
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Shared by 시아란 🌌 Private

1972년 지구 궤도를 벗어나는 데 실패했던 옛 소련의 금성 탐사선 ‘코스모스 482호’가 이번 주말 지구로 추락할 것으로 예상된다. 수정 2025-05-09 10:25 www.hani.co.kr/arti/science...

“첨벙, 쿵, 비명 중 하나”…495kg 금성 탐사선,...

“첨벙, 쿵, 비명 중 하나”…495kg 금성 탐사선, 이번 주말 지구 추락

1972년 지구 궤도를 벗어나는 데 실패했던 옛 소련의 금성 탐사선 ‘코스모스 482호’가 이번 주말 지구로 추락할 것으로 예상된다. 미국 항공우주국(나사)은 8일 코스모스 482호가 9일부터 10일 사이에 지구 대기권에 재진입할 것으로 예상된다고 밝혔다. 재진입 예상

www.hani.co.kr · 한겨레

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The Real Grunfink @grunfink@comam.es
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Shared by @reiver ⊼ (Charles) :batman:

I'm glad to announce the release of version 2.76 of , the simple, minimalistic instance server written in C. It includes the following changes:

Added Webmention support for links (Markdown-style or direct) written in a post.

Added new command-line options for list maintenance.

Display custom emoji in more places (contributed by dandelions).

Mastodon API: fixed infinite scroll in many clients (thanks to cheeaun for giving me the clue), added /api/v1/accounts/.../lists endpoint (contributed by dandelions).

Email notifications can now be sent via libcurl SMTP instead of spawning the /usr/sbin/sendmail program. To use this new feature, some additional server configuration is needed, see snac(8) (contributed by shtrophic).

https://comam.es/what-is-snac

If you find useful, please consider buying grunfink a coffee or contributing via LiberaPay.



Summary card of repository grunfink/snac2, described as: A simple, minimalistic ActivityPub instance written in portable C

snac2

A simple, minimalistic ActivityPub instance written in portable C

codeberg.org · Codeberg.org

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nixCraft 🐧 @nixCraft@mastodon.social
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Do you know why most sysadmins & experienced DevOps folks like to use ? It's because learning all of Vim's (A-Z) commands actually grants the user temporary telepathic abilities. You see it all the time. All hardcore Vim users, like those sysadmins, often seem to anticipate your needs before you even type them. They can practically fix server /cloud issues by editing text config files or deploy Ansible playbook before they even happen! Vim gives them superpower. I have spoken

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janet (she/her) @janet_catcus@hachyderm.io
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wifey ( @Anpan ) has published a comic :3 please enjoy

webtoons.com/en/canvas/cursed-

Cursed Witch

Somewhere, on another world perhaps, there is a cursed forest. Townspeople living nearby swear it is full of ghosts, ghouls and other monstrosities, yet strangely they also claim a young woman lives there, avoiding the townspeople, seemingly at all cost. The mysterious young woman is the lorn witch Rara who has trouble controlling her magical abilities and hides in order to protect others from the effects of her magical mishaps. It is summer and a musical fair is passing through the lands...

www.webtoons.com · www.webtoons.com

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k. @c_co_RCF@mastodon-japan.net
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人間生きてりゃ多かれ少なかれCO2は出すわけで、極論の行き着く先は『人類は絶滅すべきだ』にならんか？　……と、環境テロリストみたいな連中を見るたび、ずーっと思っている。

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カンナ姫（卿）＠プロフ必読推奨 / 毎日がふしぎなダンジョン @uduki_kanna@misskey.io
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Shared by :petthex_javasparrow:しゅいろ:petthex_javasparrow:(本物)

​:exclamation_sign:​パロディちゅーい　 　

​:syuiloneko_face:​「io（いお）のムラカミ　スパデラっ。アイナイトの逆襲ッ」
​:crying_ai:​「よし、スペアのお面ッ。」
​:syuiloneko_face:​「あ、マズいにゃ！ムラカミさんがニャウィリーで逃げるにゃ！」
​:angry_ai:​「なっ！？　逃がしませんよ！」
​:syuiloneko_face:​「まてーーーー！！」

RE: https://misskey.io/notes/a7623tse7vg30jjg

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Fedify: ActivityPub server framework @fedify@hollo.social
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Shared by ここあにゃん :surprised_karin_chibi:

We're excited to announce that we've implemented RFC 9421 (HTTP Message Signatures) in , complete with our double-knocking mechanism to maintain backward compatibility with the draft cavage version.

This implementation includes both signature generation and verification, meaning is used when both sending and receiving activities. While we haven't merged the RFC 9421 implementation branch yet, we're currently conducting interoperability tests with development versions of Mastodon and other implementations. Once these tests confirm compatibility, we'll proceed with the merge.

As noted in the attached docs, although RFC 9421 is the final and official standard for HTTP Signatures, the draft cavage version remains widely used across the . Our double-knocking mechanism ensures maximum compatibility by trying the RFC 9421 version first, then falling back to draft cavage if needed.

Currently, we support RSA-PKCS-v1.5 key pairs for generating HTTP Message Signatures, with plans to expand to other signature types in future releases.

We look forward to contributing to a more standardized and secure fediverse!

HTTP Message Signatures This API is available since Fedify 1.6.0. RFC 9421, also known as HTTP Message Signatures, is the final revision of the HTTP Signatures specification. Although it is the official standard, it is not widely used in the fediverse yet. As of May 2025, major ActivityPub implementations, such as Mastodon, et al., still rely on the draft cavage version of HTTP Signatures for signing portable activities. Fedify automatically signs activities with the sender's private key if the actor keys dispatcher is set and the actor has any RSA-PKCS#1-v1.5 key pair. If there are multiple key pairs, Fedify selects the first RSA-PKCS#1-v1.5 key pair among them. NOTE Although HTTP Message Signatures support other than RSA-PKCS#1-v1.5, Fedify currently supports only RSA-PKCS#1-v1.5 key pairs for generating HTTP Message Signatures. This limitation will be lifted in the future releases.Double-knocking HTTP Signatures This API is available since Fedify 1.6.0. As you read above, there are two revisions of HTTP Signatures: the draft cavage version and the RFC 9421 version. The draft cavage version is declared as obsolete, but it is still widely used in the fediverse, and many ActivityPub implementations still rely on it. On the other hand, the RFC 9421 version is the official standard, but it is not widely used yet. To support both versions of HTTP Signatures, Fedify uses the double-knocking mechanism: trying one version, then falling back to another if rejected. If it's the first encounter with the recipient server, Fedify tries the RFC 9421 version first, and if it fails, it falls back to the draft cavage version. If the recipient server accepts the RFC 9421 version, Fedify remembers it and uses the RFC 9421 version for the next time. If the recipient server rejects the RFC 9421 version, Fedify falls back to the draft cavage version and remembers it for the next time.
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