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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Hollie 💜 @hollie@social.coop
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For blogging friends, there is apparently , which I just learned about, where you write a blog post every day in August. There's a fedi account at @BlaugustBlaugust Festival and a web page too.

I signed up but I'm not sure if I'll actually be able to do it this year, with school and health issues. But I am curious about how easily I could manage it with my very non-automated, hand-built site.

I'll just see what I'm up for when the time comes in two weeks to start writing.

nerdgirlthoughts.game.blog/202

Blaugust 2025 is Coming!

Some of you may be thinking “Hold up, why are you posting about Blaugust 2025?” and that’s an excellent question. The answer is simple – this year, the inmates are taking over the asylum!&nbs…

nerdgirlthoughts.game.blog · Nerd Girl Thoughts

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Hacker News 50 @hn50@social.lansky.name
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It took 45 years, but spreadsheet legend Mitch Kapor finally got his MIT degree

Link: bostonglobe.com/2025/06/24/bus
Discussion: news.ycombinator.com/item?id=4

It took 45 years, but spreadsheet legend Mitch Kapor finally got his MIT degree - The Boston Globe

Kapor dropped out of MIT’s Sloan School of Management in the '70s to join the startup world. An old friend ribbed him into coming back.

www.bostonglobe.com · BostonGlobe.com

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tante @tante@tldr.nettime.org
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"AI is a tool (sorry!) that people who are bad at their jobs will use badly and that people who are good at their jobs will maybe, possibly find some uses for. People who are terrible at their jobs (many executives), will tell their employees that they “need” to use AI, that their jobs depend on it, that they must become more productive, and that becoming an AI-first company is the strategy that will save them from the old failed strategy, which itself was the new strategy after other failed business models."

(Original title: The Media's Pivot to AI Is Not Real and Not Going to Work)

404media.co/the-medias-pivot-t

The Media's Pivot to AI Is Not Real and Not Going to Work

AI is not going to save media companies, and forcing journalists to use AI is not a business model.

www.404media.co · 404 Media

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♡ Eva Winterschön ♡ @winterschon@bsd.cafe
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Shared by Stefano Marinelli

a new Poly CCX-700 OpenSIP phone appears, and after extensive updates from v7.1 to 9.x, it's ready for work.

also, yes. I have a SIP desk phone for Zoom, Teams, and regular calls.. at home. it also has a webcam. surprising, surely.

life has come to this because the usual computer based versions are so terribly unreliable and inconsistent that I cannot rely on any of them on Mac, Linux, browser based on FreeBSD, or even on Windows.

at least with the desk phone this is it's only role, that's all it does. I never wanted the modern design pattern: "this one device does everything marginally!" I don't like smartphones, I don't even want a touchscreen phone, and when I'm away from the phone I am unavailable on purpose.

#

a SIP phone appears at Eva's desk m nestled among the various additional devices, each with a separate purpose.
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matuzalem @matuzalem@mastodon.bsd.cafe
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mDNS-Bridge
A dedicated mDNS-SD bridge in its own jail.

In many networks, especially those using FreeBSD, servers, or VLAN-separated segments, traditional multicast DNS (mDNS) service discovery via .local hostnames is not available or reliable because tools like Avahi or Bonjour are not running, or because multicast traffic is blocked. Or because Avahi ______ and crashes.

To overcome this limitation, an mDNS bridge can be used to collect .local hostnames from mDNS-aware devices (using tools like avahi-browse) and expose them through conventional DNS by generating a static hosts file or updating a local DNS forwarder like Dnsmasq or Unbound.

This allows systems that do not support mDNS natively—such as headless servers, non-Apple clients, or machines in isolated subnets—to resolve .local hostnames seamlessly as if they were standard DNS entries.

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Ricardo Martín @ricardo@mastodon.bsd.cafe
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Shared by Stefano Marinelli

What's wrong with y'all people? 😭

Bitwarden sets foundation for secure AI authentication with MCP server | Bitwarden

bitwarden.com/blog/bitwarden-m

Bitwarden sets foundation for secure AI authentication with MCP server | Bitwarden

Bitwarden is positioning itself at the forefront of secure credential management and Agentic AI. By introducing its Model Context Protocol (MCP) server, Bitwarden provides the infrastructure for secure AI agent integration with password management.

bitwarden.com · Bitwarden

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José A. Alonso @Jose_A_Alonso@mathstodon.xyz
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Pyrosome: Verified compilation for modular metatheory. ~ Dustin Jamner, Gabriel Kammer, Ritam Nag, Adam Chlipala. arxiv.org/abs/2507.06360v1

arXiv logo

Pyrosome: Verified Compilation for Modular Metatheory

We present Pyrosome, a generic framework for modular language metatheory that embodies a novel approach to extensible semantics and compilation, implemented in Coq. Common techniques for semantic reasoning are often tied to the specific structures of the languages and compilers that they support. In Pyrosome, verified compilers are fully extensible, meaning that to extend a language (even with a new kind of effect) simply requires defining and verifying the compilation of the new feature, reusing the old correctness theorem for all other cases. The novel enabling idea is an inductive formulation of equivalence preservation that supports the addition of new rules to the source language, target language, and compiler. Pyrosome defines a formal, deeply embedded notion of programming languages with semantics given by dependently sorted equational theories, so all compiler-correctness proofs boil down to type-checking and equational reasoning. We support vertical composition of any compilers expressed in our framework in addition to feature extension. As a case study, we present a multipass compiler from System F with simple references, through CPS translation and closure conversion. Specifically, we demonstrate how we can build such a compiler incrementally by starting with a compiler for simply typed lambda-calculus and adding natural numbers, the unit type, recursive functions, and a global heap, then extending judgments with a type environment and adding type abstraction, all while reusing the original theorems. We also present a linear version of the simply typed CPS pass and compile a small imperative language to the simply typed target to show how Pyrosome handles substructural typing and imperative features.

arxiv.org · arXiv.org

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Pottery by Osa @potterybyosa@mastodon.social
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This lady who has an interest in and local clay found my blog posts and got in touch with me. She’s a 3rd generation Floridian and grew up believing that there’s no here, which is a very common misconception.

She came by to visit yesterday and brought a couple of clay samples she’d found. I offered to test fire them for her because she doesn’t have a kiln yet. I just placed them in the test kiln and I’m excited to see what happens. Will post results tomorrow!

Two small circles of clay lying side by side on a broken piece of kiln shelf. The photo is shot from above with the clay samples and kiln shelf shard resting on a gray cement floor. The clay circle on the left is a tan color and the one on the right is more gray. They are marked with the codes R1 and R2 respectively so that we know which is which after they’ve been fired. They are being fired on a piece of kiln shelf just in case they melt so that they will not ruin the kiln interior.
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José A. Alonso @Jose_A_Alonso@mathstodon.xyz
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Quantifying bounded rationality: Formal verification of Simon's satisficing through flexible stochastic dominance. ~ Jingyuan Li, Zhou Lin. arxiv.org/abs/2507.07052v1

arXiv logo

Quantifying Bounded Rationality: Formal Verification of Simon's Satisficing Through Flexible Stochastic Dominance

This paper introduces Flexible First-Order Stochastic Dominance (FFSD), a mathematically rigorous framework that formalizes Herbert Simon's concept of bounded rationality using the Lean 4 theorem prover. We develop machine-verified proofs demonstrating that FFSD bridges classical expected utility theory with Simon's satisficing behavior through parameterized tolerance thresholds. Our approach yields several key results: (1) a critical threshold $\varepsilon < 1/2$ that guarantees uniqueness of reference points, (2) an equivalence theorem linking FFSD to expected utility maximization for approximate indicator functions, and (3) extensions to multi-dimensional decision settings. By encoding these concepts in Lean 4's dependent type theory, we provide the first machine-checked formalization of Simon's bounded rationality, creating a foundation for mechanized reasoning about economic decision-making under uncertainty with cognitive limitations. This work contributes to the growing intersection between formal mathematics and economic theory, demonstrating how interactive theorem proving can advance our understanding of behavioral economics concepts that have traditionally been expressed only qualitatively.

arxiv.org · arXiv.org

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Chris Siebenmann @cks@mastodon.social
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It's always fun to be in the office, have the water turn off for the entire building, and wonder if it's planned (and they just didn't bother re-sending a memo about it) or a disaster or what. At least our office sink isn't spewing nasty "don't touch this" water this time around. So far.

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Jorongo Ringo @joroingo@infosec.exchange
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In case is necessary:

Greetings, I'm a he/him Mexican bloke exploring the corners of the online communities that fall under the Mastodon or federated umbrella.

I have multiple interests that shall reveal themselves in good time.

Spanish and English are my languages but will use mainly the latter as it is the lingua franca most commonly used around these parts.

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Tom Warren @tomwarren.co.uk@bsky.brid.gy
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Shared by Silverkey | 은열쇠

Microsoft has a new trick to improve laptop battery life on Windows. A new adaptive energy saver mode will automatically enable or disable based on your laptop's workload, rather than just its battery life. Full details👇 www.theverge.com/news/706682/...

Microsoft has a new trick to i...

An image showing the Windows logo on a blue background

Microsoft has a new trick to improve laptop battery life on Windows

Adaptive energy saver is coming soon

www.theverge.com · The Verge

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José A. Alonso @Jose_A_Alonso@mathstodon.xyz
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Towards solving more challenging IMO problems via decoupled reasoning and proving- ~ Zhenwen Liang et als. arxiv.org/abs/2507.06804v1

arXiv logo

Towards Solving More Challenging IMO Problems via Decoupled Reasoning and Proving

Automated Theorem Proving (ATP) in formal languages is a foundational challenge for AI. While Large Language Models (LLMs) have driven remarkable progress, a significant gap remains between their powerful informal reasoning capabilities and their weak formal proving performance. Recent studies show that the informal accuracy exceeds 80% while formal success remains below 8% on benchmarks like PutnamBench. We argue this gap persists because current state-of-the-art provers, by tightly coupling reasoning and proving, are trained with paradigms that inadvertently punish deep reasoning in favor of shallow, tactic-based strategies. To bridge this fundamental gap, we propose a novel framework that decouples high-level reasoning from low-level proof generation. Our approach utilizes two distinct, specialized models: a powerful, general-purpose Reasoner to generate diverse, strategic subgoal lemmas, and an efficient Prover to rigorously verify them. This modular design liberates the model's full reasoning potential and bypasses the pitfalls of end-to-end training. We evaluate our method on a challenging set of post-2000 IMO problems, a problem set on which no prior open-source prover has reported success. Our decoupled framework successfully solves 5 of these problems, demonstrating a significant step towards automated reasoning on exceptionally difficult mathematical challenges. To foster future research, we release our full dataset of generated and verified lemmas for a wide range of IMO problems, available at https://tencent-imo.github.io/ .

arxiv.org · arXiv.org

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Hacker News 100 @hn100@social.lansky.name
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Data Brokers Are Selling Your Flight Information to CBP and ICE

Link: eff.org/deeplinks/2025/07/data
Discussion: news.ycombinator.com/item?id=4

Data Brokers are Selling Your Flight Information to CBP and ICE

For many years, data brokers have existed in the shadows, exploiting gaps in privacy laws to harvest our information—all for their own profit. They sell our precise movements without our knowledge or meaningful consent to a variety of private and state actors, including law enforcement agencies....

www.eff.org · Electronic Frontier Foundation

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terry chay :verified: @tychay@phpc.social
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Shared by Jan Lehnardt :couchdb:

Expeditions 1-32

Someone at work mentioned this. I can totally see what's going on here.

terrychay.com/article/expediti

Expeditions 1-32

Someone at work mentioned this. I can totally see what’s going on here. My dad used to say that what my brother lacked, that I had, was “common sense.” Generative AI wasn’t around then, or he’d hav…

terrychay.com · The Woodwork

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Seth Larson @sethmlarson@mastodon.social
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Shared by ✧✦Catherine✦✧

Crates.io now supports Trusted Publishers! 🥳

blog.rust-lang.org/2025/07/11/

Implementation design inspired by @pypiThe Python Package Index and the Trusted Publishers implementors guide I authored with many other folks from the @openssf Securing Software Repositories WG:

repos.openssf.org/trusted-publ

crates.io: development update | Rust Blog

Empowering everyone to build reliable and efficient software.

blog.rust-lang.org

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Ricardo Martín @ricardo@mastodon.bsd.cafe
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What's wrong with y'all people? 😭

Bitwarden sets foundation for secure AI authentication with MCP server | Bitwarden

bitwarden.com/blog/bitwarden-m

Bitwarden sets foundation for secure AI authentication with MCP server | Bitwarden

Bitwarden is positioning itself at the forefront of secure credential management and Agentic AI. By introducing its Model Context Protocol (MCP) server, Bitwarden provides the infrastructure for secure AI agent integration with password management.

bitwarden.com · Bitwarden

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Hugo van Kemenade @hugovk@mastodon.social
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Going to Prague?

Here's a EuroPython toot template. Save it to your phone homescreen to easily post using the and hashtags:

gist.github.com/hugovk/b4a1e3d

Forked from @sethmlarsonSeth Larson's sethmlarson.dev/quick-mastodon which has setup instructions.

#EuroPython2025. GitHub Gist: instantly share code, notes, and snippets.

#EuroPython2025

#EuroPython2025. GitHub Gist: instantly share code, notes, and snippets.

gist.github.com · Gist

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Shmok @shmok@bsd.cafe
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I see that after making extensive use of the filter option to block all political opinions, block names of politicians and parties. there's a lot less activity on here when there no posts and no profiles allowed through that mentions

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mcc @mcc@mastodon.social
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*Me staring into the abyss* Do I make the implementation model confusingly complicated in order to make the mental model simple or do I make the mental model confusingly complicated in order to make the implementation model simple

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月音 @tukine@fedibird.com
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Shared by GENKI

Macは2012年頃に「Power Nap機能」が搭載され、これがスリープ中にいろいろ処理してくれる便利な機能なので（シャットダウンしてしまうと働かない）、多分この頃からApple的にもスリープ推奨になったと認識している。

Macのシャットダウンは不要？スリープが正解？【Mac普段使いガイド】｜Mac専門店 秋葉館
akibakan.com/blogs/tips/mac-sh

Macのシャットダウンは不要？スリープが正解？【Mac普段使いガイド】

Macは毎日シャットダウンすべき？答えは「スリープ」です。本記事ではPower Nap機能の活用から電気代の比較まで、現代のMacに最適な使い方を2024年最新情報で解説。あなたのMacをより快適に、賢く使いこなしましょう。

akibakan.com · 秋葉館

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Rafael @ipxfong@mastodon.sdf.org
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I grew up in Northern New Mexico. In New Mexican Spanish B and V make the same sound. Sorta like R and L in Japanese. So when I speak it sounds a little funny. Like I'm saying vuenos días. That's not really strange in itself. Lots of speakers have something similar. Here's what's really weird. I also speak English where B and V are very distinct. When I say bacaciones, I can hear that the sound is different than it should be.

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Hacker News 50 @hn50@social.lansky.name
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Building Modular Rails Applications: A Deep Dive into Rails Engines

Link: panasiti.me/blog/modular-rails
Discussion: news.ycombinator.com/item?id=4

Building Modular Rails Applications: A Deep Dive into Rails Engines Through Active Storage Dashboard | Giovanni Panasiti - Personal Website and Blog

I’ve been building Rails applications for the last 10 years on a daily base and almost all of them use active storage now. Users are uploading files and then...

www.panasiti.me

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나나나나미 @nnanananami@planet.moe
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Shared by KAGAMI🏳️‍🌈🏳️‍⚧️

2022년에는 닛케이신문에 저 만화 전면광고가 실리면서 논란이 일었는데, 그렇지 않아도 만화 제목부터가 여성 캐릭터를 철저하게 성적 대상화하겠다고 선언하는 만화를 신문 광고로 싣는다는 게 정말 괜찮은 것인가? 이런 거. huffingtonpost.jp/entry/story_
국제적으로도 비판이 나오자 아카마츠 켄이 등장해서 "외압"에 맞서 표현의 자유를 지키겠다니 헛소리를 했고...

「月曜日のたわわ」全面広告を日経新聞が掲載。専門家が指摘する3つの問題点とは？

メディアが抱えるジェンダー問題に詳しい専門家は「性的な表現に触れたくない人の権利を守れていない上、成人男性による未成年の少女への性暴力を大手メディアが肯定する構図になっている」と指摘している

www.huffingtonpost.jp · ハフポスト

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リーガン美香 @MikaR@toot.blue
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Rotten tomatoes で史上最高の高評価を叩き出した、ジェームズ・ガンのスーパーマン、見に行こうと思ってる。
移民や弱者に対する残酷さがはびこる昨今なので、地球外からの移民であるスーパーマンの善と優しさがそこへの解毒剤として評価、期待されるのだろう。
実は前作はあまりにダークな感じなので見に行ってない。
インタビューいくつか見たけど、主役に選ばれたデービッド・コグスウェットはクリストファーリーブ同様ジュリアード出身だそうで、演技力は舞台で磨かれたもの。　
ガンはユーモアと思いやりをシリーズに取り戻したかった、というのも良い。最近作で消えていた赤パンツをまた履かせてることについても、「完全無欠の格好良いはずのヒーローが赤パンツ」というのも、コグスウェットはおかしみがあって良いと思うことにした、と言っていた。見に行くしかないでしょ。

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