Make macOS consistently bad (unironically)

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Upgrading to MacOS 26 causes inconsistency issues with rounded windows corners, prompting users to disable system integrity for a workaround. A better solution is to make all corners more rounded, rather than reverting to sharp edges.

Anatomy of the .claude/ folder

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Postman released a cost savings analysis comparing AI-native tooling to bolted on AI, and a newsletter explains the anatomy of the .claude folder in Claude Code, which holds project and personal settings, rules, and preferences.

Installing a Let's Encrypt TLS certificate on a Brother printer with Certbot

https://publish-01.obsidian.md/access/42ca5dc38a1a3318b53b2c9b5ffdc715/Other/_assets/Brother%20-%20Cert%20-%2001.webp
The user created a Bash script to automatically deploy a Let's Encrypt certificate to their Brother printer using Cloudflare DNS integration, allowing for HTTPS access to the printer's web management portal and IPP connections. The script uses Certbot and the Brother Cert tool to request and deploy the certificate, with the user modifying variables in the script to suit their own printer's ...

Telnyx package compromised on PyPI

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Unauthorized Telnyx Python SDK versions 4.87.1 and 4.87.2 with malicious code were published to PyPI on March 27, 2026. The Telnyx platform and infrastructure were not compromised, but users who installed the package between 03:51 and 10:13 UTC may be affected.

Nashville library launches Memory Lab for digitizing home movies

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The Nashville Public Library is launching a free Memory Lab program to help people digitize old home movies, photos, and slides. Anyone can book time to use library equipment and software to convert their family memories into digital files for free.

Explore the Hidden World of Sand

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Beach sands from various locations around the world are composed of a mix of geological and biogenic grains, including volcanic, metamorphic, and sedimentary rocks, as well as marine shell fragments, coral, and foraminifera. The composition of beach sands varies depending on the location, with some beaches having a predominantly geological origin and others having a biogenic origin.

The telnyx packages on PyPI have been compromised

The SafeDep blog reports that compromised versions of the telnyx package have been found in the PyPI repository: Two versions of telnyx (4.87.1 and 4.87.2) published to PyPI on March 27, 2026 contain malicious code injected into telnyx/_client.py. The telnyx package averages over 1 million downloads per month (~30,000/day), making this a high-impact supply chain compromise. The payload ...

Building FireStriker: Making Civic Tech Free

A software engineer built FireStriker, a free platform for community organizations to track legislation, organize members, and manage events. It aims to level the playing field for grassroots groups by providing legislative intelligence and civic engagement tools.

Desk for people who work at home with a cat

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The Neko House Desk is a Japanese furniture designed for people who work from home with cats, featuring a two-tier cat space and a "Surprise Cat Hole" for harmonious sharing. It costs 24,800 yen and is available on Amazon Japan, allowing users to work efficiently while keeping their cats happy.

Some uncomfortable truths about AI coding agents

The user argues that LLM-based AI coding agents have no place in generating production code due to skill atrophy, artificially low cost, prompt injections, and copyright/licensing issues. They believe it's best to let humans write most or all of the code to avoid these problems and potential catastrophic consequences.

Meow.camera

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Turning on feeder camera, please be patient...

Embracing Bayesian methods in clinical trials

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The FDA has issued a draft guidance on using Bayesian methodology in clinical trials of therapeutic agents. This guidance aims to promote the use of Bayesian methods in clinical trials.

Can It Resolve DOOM? Game Engine in 2k DNS Records

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A proof-of-concept project successfully stored and executed the classic game DOOM entirely using DNS infrastructure by uploading base64-encoded chunks of the game into thousands of TXT records. This demonstrates how DNS can be abused as a global, distributed storage and delivery channel, with implications for malware staging, covert payload distribution, and forensic evasion.

Ask HN: Founders of estonian e-businesses – is it worth it?

You're considering Estonian e-residency for a SaaS project due to Germany's bureaucracy. You're looking for real-life experiences on its worth and potential pitfalls.

People inside Microsoft are fighting to drop mandatory Microsoft Account

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Microsoft is updating Windows 11 to address common issues but still requires a Microsoft account. Microsoft Vice President Scott Hanselman is working to relax this requirement but no committed plan is in place.

‘Energy independence feels practical’: Europeans building mini solar farms

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Europeans are turning to homegrown renewable energy to reduce reliance on imported fossil fuels. Installing solar panels or plug-in solar systems can provide energy independence and lower electricity bills.

Hold on to Your Hardware

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The hardware industry is shifting towards data centers and away from consumers, leading to rising prices and vanishing consumer choice. This structural shift is driven by high demand from data centers and AI technology, causing a shortage of specific components like RAM and storage.

Gzip decompression in 250 lines of Rust

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The user implemented a gzip decompressor from scratch in Rust to gain a deeper understanding of how compression works, and found that the core ideas are based on the DEFLATE algorithm and Huffman coding. The DEFLATE algorithm uses LZ77 back-references to replace repeated sequences with shorter codes, and Huffman coding assigns shorter codes to frequent symbols, allowing for efficient ...

Schedule tasks on the web

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Claude Code offers three ways to schedule recurring work: cloud tasks, desktop tasks, and /loop for quick polling. Tasks can be created from the Desktop app, CLI, or web interface.

A Faster Alternative to Jq

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jsongrep is a fast JSON search tool that compiles queries into deterministic finite automata (DFAs) for single-pass search. This approach allows jsongrep to outperform other JSON query tools like jq and jmespath in benchmarking tests.

21,864 Yugoslavian .yu domains

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The user downloaded a list of 21,864 domains from the former Yugoslavia's ".yu" top level domain from the Wayback Machine. The list was compiled by crawling links from archived pages and extracting domain names from a list on the website "www.yu".

Browser-based SFX synthesizer using WASM/Zig

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Browser-based sound effect synthesizer. Design game SFX with oscillators, FM synthesis, distortion, filters, and reverb. No install required.

AI got the blame for the Iran school bombing. The truth is more worrying

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The US military's Maven system, not a chatbot, was used to target a school in Iran, killing 175-180 people. The system's speed and automation led to a "bureaucratic double bind" where judgment was suppressed in favor of procedure.

EMachines never obsolete PCs: More than a meme

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eMachines launched a "Never Obsolete" campaign in 1999 with computers priced at $399-$699, claiming they would never be obsolete despite having outdated specs. The campaign was ironic and humorous, especially considering the company's eventual demise.

Show HN: Open-Source Animal Crossing–Style UI for Claude Code Agents

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Outworked is a desktop app that turns Claude into a team of AI employees. It allows users to hire agents, assign roles, and watch them work on tasks such as coding, web interaction, and message sending.

Should QA exist?

https://www.rubick.com/_astro/landscape.CfcXaY8R_Z4AvQh.webp
The author discusses the role of quality assurance (QA) in engineering organizations, arguing that while QA can be valuable, it often slows down engineering velocity and creates handoff problems, and suggests that engineering should own quality with QA as experts. The author proposes redefining the QA role as "Automated Verification Engineers" who focus on making the developer pipeline great ...

The 'paperwork flood': How I drowned a bureaucrat before dinner

A blind man received a letter from the government asking for updated medical evidence to prove his blindness. He outsmarted the system by faxing a massive, automated document that jammed the office's fax machine, forcing them to accept his evidence.

Everything old is new again: memory optimization

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A native C++ version of a script to parse and count words in a text file uses significantly less memory than a Python version, with a 98.4% reduction in memory usage. This is achieved by avoiding string objects and using string views, as well as disabling exception support in the C++ runtime.

TurboQuant: Building a Sub-Byte KV Cache Quantizer from Paper to Production

Back to blog There is a constraint that dominates everything else when you serve LLMs on consumer hardware: KV cache memory. Not weights. Not activations. The KV cache. For a 32-layer, 8-head model at FP16, every token you process costs 128 KB of VRAM that stays allocated for the entire generation. At 32 GB total, with half reserved for model weights and overhead, you get maybe 80K tokens of ...

Vibe-Coded Ext4 for OpenBSD

OpenBSD rejected a patch for the ext4 filesystem generated by a large language model due to copyright concerns and the unclear ownership of the generated code. The discussion highlights the need for a clear understanding of copyright law regarding AI-generated code and the potential risks of using such code in open-source projects.