How's Linear so fast? A technical breakdown

https://media.performance.dev/cdn-cgi/image/width=893,quality=100,format=auto,fit=scale-down/posts/p_gAMR6Z7y49Fp/yLYBhiiY_FsV.jpg
Linear's speed comes from its local-first architecture, where the browser stores data and syncs with the server in the background. The app's design, including shortcuts and animations, also plays a crucial role in making it feel fast and responsive.

Building from zero after addiction, prison, and a felony

https://gavinray97.github.io/static/images/building-from-zero.svg
The user spent 14-16 years in juvenile prison and later became a convicted felon due to addiction, but rebuilt their life through software and open-source contributions. They now work at Hasura, a developer-facing tool, and hope to give others a chance despite their troubled past.

If LLMs Have Human-Like Attributes, Then So Does Age of Empires II

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers question the assumption of anthropomorphic attributes in large language models, suggesting these attributes are not unique to LLMs. They propose a 'null' assumption of LLM non-uniqueness to set up experiments.

Show HN: I Derived a Pancake

https://www.absurdlyoptimized.com/img/articles/pancakes-hero.jpg
The author created a pancake calculator to optimize pancake recipes by balancing four axes of quality: interior texture, tang, rise, and exterior crisp. The calculator uses stoichiometry to determine the optimal ratio of ingredients, including acid, leavening agents, and dairy, to create the perfect pancake.

Making peace with your unlived dreams (2023)

The writer is unable to pursue snowboarding due to knee issues, but has come to accept and move on from the dream. They now focus on their current life and hobbies, finding satisfaction in the present moment.

Silurus/ooxml: Pixel-faithful Office documents, rendered in the browser

https://raw.githubusercontent.com/yukiyokotani/office-open-xml-viewer/main/docs/images/icon.png
This library allows rendering Office Open XML documents (.docx, .xlsx, .pptx) in the browser using WebAssembly and Canvas 2D API. It supports various formats, including math equations, and can be used with popular frameworks like React, Vue, and Angular.

Powering up a module from the IBM 604: an electronic calculator from 1948

https://static.righto.com/images/ibm-650-thyratron/ibm-604-w500.jpg
IBM introduced the Electronic Calculating Punch, type 604, a programmable calculator that used vacuum tubes and was much smaller and cheaper than computers. It was highly successful, with over 5600 units produced, and led to the development of IBM's vacuum-tube computers in the 1950s.

What is the purpose of the lost+found folder in Linux and Unix? (2014)

https://unix.stackexchange.com/Content/Sites/unix/Img/apple-touch-icon@2.png?v=32fb07f7ce26
The /lost+found/ folder in Linux and Unix is for storing files that fsck, the filesystem check and repair command, recovers from a damaged filesystem. You would interact with it after a system crash or power failure, when fsck places recovered files there.

My automated doubt development process

The user's AI development process involves automated doubt from multiple perspectives to ensure quality, using subagents to critique and audit artifacts. This process originated from a lack of trust and has developed into a trust signal, requiring patience, practice, and expertise to terminate the loop.

Do we fear the serializable isolation level more than we fear subtle bugs?

https://miro.medium.com/v2/resize:fit:700/1*keS37tRigV2DLMy2itYZGQ.png
Weaker isolation levels in databases can lead to concurrency bugs and security vulnerabilities, as seen in cases like Flexcoin and Poloniex. Using serializable isolation as the default can prevent such issues.

Cloning a Sennheiser BA2015 battery pack

https://blog.brixit.nl/image/w300/static//static/files/blog.brixit.nl/1669745922/589714de59c2ac21dfce521799562cc0.png
The user is frustrated with expensive Sennheiser wireless microphone battery packs and decided to replicate them using 3D printing and third-party cells. They successfully created a working battery pack.

LLMs are eroding my software engineering career and I don't know what to do

https://i.ibb.co/SDdRz6RG/pawel-czerwinski-G6ez-Kt1-XOs-unsplash-1.jpg
The user, a 10-year experienced software engineer, is concerned that their domain expertise in finance and payment processing is becoming less valuable due to advancements in AI and LLMs, which can now perform tasks such as writing code and debugging. The user is worried about their long-term employability and is considering shifting their domain expertise to areas where LLMs are not yet ...

The 29th International Obfuscated C Code Contest (IOCCC) 2025 Winners

https://www.ioccc.org/png/ioccc.png
IOCCC29 had a high submission quality and similar volume to last year, possibly due to improved website design and social media presence. The contest's rules and guidelines were rewritten for this year, and the next contest, IOCCC30, is planned for late 2026.

Show HN: Lathe – Use LLMs to learn a new domain, not skip past it

https://raw.githubusercontent.com/devenjarvis/lathe/main/docs/img/read-tutorial.png
Lathe is a tool that generates hands-on technical tutorials on demand using LLM skills, allowing users to learn by working through tutorials themselves. It's a combination of LLM skills and a Golang CLI used to store, manage, and view generated tutorials.

VibeOS: First ever AI-native operating system

https://vibeos.sh/_next/image?url=%2Fvibe-os-icon.png&w=828&q=75
First ever AI-native operating system. From hardware to UI –Claude Code controls everything on your computer Watch how vibeOS transforms your ideas into reality. From simple prompts to fully functional applications - everything happens instantly on your screen. No coding required. Just tell vibeOS what you want to build, and watch the magic happen.

Backrest – a web UI and orchestrator for restic backup

https://camo.githubusercontent.com/f082008df78f98d1733e0ba54f4a40f70f1db41886c37639fcb240252501d7ef/68747470733a2f2f663030302e6261636b626c617a6562322e636f6d2f66696c652f6773686172652f73637265656e73686f74732f6261636b726573742d312e31312e312d64617368626f6172642e706e67
Backrest is a web-accessible backup solution built on restic, providing a user-friendly interface for creating repos, browsing snapshots, and restoring files. It supports various storage options and can run in the background with automated snapshot scheduling.

Proliferate (YC S25) is hiring to building open source Codex

Proliferate is building an operating system for modern engineering, automating software development to make engineering more human. They're hiring an engineering lead to build the core product with high ownership and a top-market salary.

A Fundamental Principle of Aeronautical Engineering Has Been Overturned

https://www.tohoku.ac.jp/japanese/newimg/pressimg/item20260512_02_DMR.jpg
〇流体科学研究所航空宇宙流体工学研究分野 准教授 焼野藍子研究室ウェブサイト 壁面境界層厚さのわずか1.0%という微細かつ不規則な表面粗さDMR(注1)を流線型模型の表面に施工し、遷移域(注2)の変化により最大43.6%の空力抵抗低減を世界で初めて実証しました。 「前縁部表面が滑らかなほど空気抵抗は減る」という80年来の流体工学の常識を覆す発見です。 東北大学流体科学研究所が保有する世界最大級の1m磁力支持天秤装置(注3)による支持干渉を完全に排除した精密測定や、高精度シミュレーション、オイルフロー可視化により、本効果は剥離抑制ではなく壁面摩擦抵抗そのものの抑制(注4)によるものであることを証明しました。 1940年代以来、輸送機器の空力設計では「表面は滑らかなほど空気抵抗が小さくなる」という常識が80年近く信じられてきました。 ...

Why isn't the U.S. better at soccer?

https://substackcdn.com/image/fetch/$s_!UIdL!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F25bec15e-5077-4783-aba9-95b5f3b849c8_3000x1930.jpeg
The US men's soccer team has a 10% chance of reaching the semifinals according to prediction markets, but a 50% chance of making the final four as a host nation.

The complete IPv4 address space, mapped

https://worldip.io/og/
WorldIP.io provides free IP address lookup and tracking of IPv4 addresses with information on owners, ASNs, locations, and allocation history. It uses MaxMind GeoLite2, RIR delegation files, and Team Cymru data to offer detailed IP insights.

Anthropic, please ship an official Claude Desktop for Linux

https://opengraph.githubassets.com/6b5e876ce500112840e629d8b2e6e18efc5846fb9a71257c939a8b782abcd100/anthropics/claude-code/issues/65697
The user is requesting an official Linux build of Claude Desktop, citing the need for a graphical path to capabilities like desktop dictation and Cowork, and the current workaround of switching to macOS or Windows is causing friction on every iteration of plugin development. The user proposes a lower-cost fallback of a public statement on the install documentation acknowledging the lack of ...

A visual introduction to kernel functions

https://images.kelvinpaschal.com/kernels/linear.png
A Gaussian process is a machine learning method that constructs an infinite amount of guesses or functions to approximate a true process, and it is characterized by its mean and covariance, with the kernel function helping to calculate the covariance or uncertainty. Different kernel functions, such as linear, periodic, radial basis function, rational quadratic, and Matérn kernels, can be used ...

Podman 6: machine usability improvements (2025)

https://blog.podman.io/wp-content/uploads/2022/11/containersgfx-1.png
Podman 6 introduces changes to machine function, making provider prominence less prevalent and allowing users to interact with machines across all providers. New features include defaulting to showing all machines and the ability to create machines in non-default providers using the --provider command line switch.

Splash Is a Colour Format

https://www.todepond.com/lab/og.png
Each digit represents a different colour channel: red, green, and then blue. the restriction has made me more open to errors and it's totally fine. 900 has full red channel (9) and nothing in green (0) or blue (0). so in my theme, 00 is... off-black. so you can just use lookup table if you want. click here to download the theme - it's free to use and works

An Ohio Valley 100k-watt FM signal is severed in broad daylight

https://www.radioworld.com/wp-content/uploads/2026/06/IMG_0339-726x968.jpeg
Mike Kirtner, president of Kindred Communications, reported an FM transmission line was cut in broad daylight at 93.7 WDGG(FM) in Ashland, Ky. The station is operating at reduced power and estimates total repair costs between $70,000 and $100,000.

The gamers taking on the industry to stop it switching off games

https://ichef.bbci.co.uk/news/480/cpsprodpb/514b/live/1dd0c530-60be-11f1-bca0-e975c953fcd1.jpg.webp
A consumer rights campaign called Stop Killing Games is challenging game publishers to stop shutting down games' servers, leaving players unable to play. The campaign, started by Ross Scott, has gained over 1.3 million signatures and is awaiting a decision from the European Commission.

I design with Claude more than Figma now

https://blog.janestreet.com/i-design-with-claude-code-more-than-figma-now-index/figma-to-claude-hero.png
The author was initially skeptical of LLMs but found them indispensable at Jane Street, especially for tasks they were not good at. They now use LLMs to create prototype features that exactly match their design ideas, freeing up time for iteration and refinement.

Win16 Memory Management

http://www.os2museum.com/wp/wp-content/uploads/2026/06/windev-30-wlk-1-640x480.png
16-bit Windows used a segment-based memory management system, where applications were divided into segments that could be moved or discarded by the operating system, requiring programmers to use specific compiler switches and APIs to manage memory correctly. The system was complex and required discipline from programmers, but it allowed for efficient memory management and the use of ...

The architecture of the internet creates risks for democracy

https://badges.altmetric.com/?size=240&score=95&types=tuuuuuuu
The internet may be eroding democracy due to increased polarization and echo chambers created by social media algorithms and homophily in online networks. To save democracy, algorithms need to be debiased and tools must be developed to help people accurately gauge the prevalence of their views.

Show HN: Nightwatch, The open-source, read-only AI SRE

https://raw.githubusercontent.com/ninoxAI/nightwatch/main/docs/assets/ninoxai-demo.gif
The open-source, read-only AI SRE. ninoxAI turns alert storms into incidents, investigates root cause over your live systems, and proposes human-approved fixes — without ever touching production. Your monitoring tells you something broke. It pages you at 3am with fifty alerts for one outage and leaves the hard part to you: ninoxAI is a thin, local-first, monitoring-agnostic AI SRE layer that ...