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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Pixelfed versions 0.12.4 and earlier contain a critical privacy vulnerability that impacts any and all Fediverse service providers that support follower-only messaging from follower-approvals-required accounts.

Ref: fokus.cool/2025/03/25/pixelfed

A tracking spreadsheet of domains by version is available at docs.google.com/spreadsheets/d

If you host accounts that expect their followers-only posts to be non-visible to unapproved followers on remote Pixelfed services, consider informing your members.

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아이패드로 원격 개발만 하겠다고 결심 했는데 code-server는 웹브라우저의 IME 버그가 너무 빈발해서 고통스럽고, 원격지가 맥인데 vnc클라가 딱히 멀쩡한게 안보인다. 결국 ssh로 하자! 라고 결심하고 다시 이맥스를 집었는데... 예전에 어떻게 설정했는지 전혀 모르겠다. 둠 이맥스를 한번 설정 해봤는데 따로 설치한 패키지가 껐다 켜면 로드가 안되어서 어찌 해야 할 지 모르겠다. 근데 스페이스맥스도 둠 이맥스도 다들 빔을 섞는게 기본이네...

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Rust 1.86.0 has been released! ✨🎊 🦀

This release adds trait upcasting, get_disjoint_mut on slices and hashmaps, #[target_feature] for safe functions, debug assertions for null pointers, Vec::pop_if, and more!

Check out the blog post and release notes for all the details: blog.rust-lang.org/2025/04/03/

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My .
I've been sure of my age when I reached 50, wich isn't that long ago 🤨 .

I'm prone to overthinking, and tend to obsess about work (SW for evidence synthesis).

Leftie (politically and otherwise), I find I'm becoming more radical as time passes.

Outside work, I have interests in philosophy (epistemology/ phil of mind), politics, music and everything.
In fact, I depend on making music (guitars, including bass) to keep me sane. (I'll never be very good at it: it's a hobbie!)

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- 앤트로픽의 '교육용 클로드'는 직접 답변 대신 소크라테스식 질문을 사용하는 '학습 모드'를 지원

- 학생들이 비판적으로 사고하도록 유도하며 AI 지름길 우려를 해소

- 노스이스턴 대학 등과 협력, 캠퍼스 전반 접근을 지원

- 단순 정보 제공 AI와 달리, 추론을 안내하는 튜터로 설계되어 학생들이 스스로 더 잘 생각하도록 돕는 것이 목표

Anthropic flips the script on AI in education: Claude's Learning Mode makes students do the thinking | VentureBeat

https://venturebeat.com/ai/anthropic-flips-the-script-on-ai-in-education-claude-learning-mode-makes-students-do-the-thinking/

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Rust 1.86.0 has been released! ✨🎊 🦀

This release adds trait upcasting, get_disjoint_mut on slices and hashmaps, #[target_feature] for safe functions, debug assertions for null pointers, Vec::pop_if, and more!

Check out the blog post and release notes for all the details: blog.rust-lang.org/2025/04/03/

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[홍두승/한민학원 이사장] "국방부가 설립한 사립고등학교에요. 공공기관이 설립한 사립학교라는 게 논리가 성립하지는 않는데‥" ... 세금으로 세운 학교를 특정 정치 성향 인사들이 사유화하고, 그러면서 극우 인사들이 강연하는 일까지 벌어지는 것입니다. imnews.imbc.com/replay/2025/...

[단독] 세금으로 세운 학교는 왜 특정 정치 성향 인사...

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아이패드로 원격 개발만 하겠다고 결심 했는데 code-server는 웹브라우저의 IME 버그가 너무 빈발해서 고통스럽고, 원격지가 맥인데 vnc클라가 딱히 멀쩡한게 안보인다. 결국 ssh로 하자! 라고 결심하고 다시 이맥스를 집었는데... 예전에 어떻게 설정했는지 전혀 모르겠다. 둠 이맥스를 한번 설정 해봤는데 따로 설치한 패키지가 껐다 켜면 로드가 안되어서 어찌 해야 할 지 모르겠다. 근데 스페이스맥스도 둠 이맥스도 다들 빔을 섞는게 기본이네...

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The UK Data Bill could unleash unchecked automated decision-making in policing ⚠️👮

ORG has signed Big Brother Watch's open letter to warn that removing safeguards could greatly expand "possibilities for bias, discrimination and lack of transparency".

Read more ➡️ bigbrotherwatch.org.uk/press-r

Open letter re: Law enforcement use of Automated Decision-MakingOpen letter re: Law enforcement use of Automated Decision-Making
Open letter re: Law enforcement use of Automated Decision-MakingOpen letter re: Law enforcement use of Automated Decision-Making
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Category theory using Haskell (An introduction with Moggi and Yoneda). ~ Shuichi Yukita. books.google.com/books?id=4Xc2

Category Theory Using Haskell

This unique book offers an introductory course on category theory, which became a working language in algebraic geometry and number theory in the 1950s and began to spread to logic and computer science soon after it was created. Offering excellent use of helpful examples in Haskell, the work covers (among other things) concepts of functors, natural transformations, monads, adjoints, universality, category equivalence, and many others. The main goal is to understand the Yoneda lemma, which can be used to reverse-engineer the implementation of a function. Later chapters offer more insights into computer science, including computation with output, nondeterministic computation, and continuation passing. Topics and features: Contains rigorous mathematical arguments to support the theory Provides numerous Haskell code-implementing examples Engages with plentiful diagram chasing, with special emphasis on the design patterns for constructing a large diagram out of basic small pieces Offers insights into category theory to quantum computing and the foundation of computing discipline Serves as a preparatory course for monoidal categories and higher categories The work will be useful to undergraduate students in computer science who have enough background in college mathematics such as linear algebra and basics in Haskell polymorphic functions. Further, it will appeal to graduate students and researchers in computing disciplines who want to newly acquire serious knowledge of category theory.

books.google.com · Google Books

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- 앤트로픽의 '교육용 클로드'는 직접 답변 대신 소크라테스식 질문을 사용하는 '학습 모드'를 지원

- 학생들이 비판적으로 사고하도록 유도하며 AI 지름길 우려를 해소

- 노스이스턴 대학 등과 협력, 캠퍼스 전반 접근을 지원

- 단순 정보 제공 AI와 달리, 추론을 안내하는 튜터로 설계되어 학생들이 스스로 더 잘 생각하도록 돕는 것이 목표

Anthropic flips the script on AI in education: Claude's Learning Mode makes students do the thinking | VentureBeat

https://venturebeat.com/ai/anthropic-flips-the-script-on-ai-in-education-claude-learning-mode-makes-students-do-the-thinking/

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[홍두승/한민학원 이사장] "국방부가 설립한 사립고등학교에요. 공공기관이 설립한 사립학교라는 게 논리가 성립하지는 않는데‥" ... 세금으로 세운 학교를 특정 정치 성향 인사들이 사유화하고, 그러면서 극우 인사들이 강연하는 일까지 벌어지는 것입니다. imnews.imbc.com/replay/2025/...

[단독] 세금으로 세운 학교는 왜 특정 정치 성향 인사...

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Delighted to announce my latest solo work under my Dronal moniker. It's a 5-track EP titled "If We Land" and serves as a companion piece to 2023's Dronal LP "Whilst We Fall".

I had really hoped to have it released last year, but our whole eviction ordeal pushed everything back by about 6 months!

Hope you'll take a chance to preview/download/stream at your preferred service below ❤️

push.fm/fl/dronal-if-we-land

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Ooh it looks like something is afoot over at isitfairtrademusicfri.day, courtesy of @keefmarshallkeef's brand new submission bot.

Here's how it works:

If you've got a release on a platform¹ you'd like to plug, follow @ftmfFair Trade Music Friday and reply (with a link & description) to its post that will appear on Friday at 00:00 CEST- it will then appear at isitfairtrademusicfri.day automagically!

¹ eg , , , , or etc.

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