A way to exclude sensitive files issue still open for OpenAI Codex

https://opengraph.githubassets.com/eb6eaf7d4028ea024171759a9f016eafa52d89840c3d40660be2d1d74b98731a/openai/codex/issues/2847
What feature would you like to see? A mechanism to explicitly mark files/paths that the agent must not read or send to the model, at both repository and global levels (e.g., a repo-local .codexignore plus a global ignore file). Example: ...

Marfa Public Radio Puts You to Sleep

https://npr.brightspotcdn.com/dims4/default/1ba947b/2147483647/strip/true/crop/3000x3000+0+0/resize/280x280!/quality/90/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Fe6%2F56%2F79316759410d8ce45efb655b32b3%2Fmpr-sleep-v2-logo-1.jpg
Marfa Public Radio creates a sleep podcast reading boring documents to fundraise for the station. Listeners can donate at marfapublicradio.org/donate to keep the station awake.

Kids act would require age checks to get online

https://www.eff.org/files/banner_library/ageverificationbanner-3.png
The KIDS Act package includes bills that require age verification, government-directed moderation, and new rules for private communications. This could lead to restrictive age-checking practices, reduced online privacy, and limited free expression.

The MUMPS 76 Primer – anniversary edition

https://opengraph.githubassets.com/3b5ce3c9017816b1fe9520f48c5ceaaf3345ff010c204a3fce8afd6d3c09a6f8/rochus-keller/MUMPS
MUMPS is a programming language and database system created in 1966 for hospital information systems. It has a built-in hierarchical database with a schema-free, ordered key-value store.

DLL that was not present in memory despite not being formally unloaded

https://devblogs.microsoft.com/oldnewthing/wp-content/uploads/sites/38/2019/02/ShowCover.jpg
A bug in shell32.dll was initially blamed for a large number of crashes in a third-party program. However, the actual cause was a rogue force-unload of a DLL, which led to a recursive crash loop and stack overflow.

Bashblog – a single bash script to create blogs

https://raw.githubusercontent.com/cfenollosa/bashblog/gh-pages/images/demo_thumb.png
Bashblog is a simple script to create a blog by posting entries to a public folder on a server. It works on GNU/Linux, OSX, and BSD.

AMD Strix Halo RDMA Cluster Setup Guide

Configure a two-node AMD Strix Halo cluster with Intel E810 (RoCE v2) for distributed vLLM inference using Tensor Parallelism. Set up static IPs, MTU, and trust the interface in the firewall, then install the toolbox and run the cluster with Ray and RCCL.

Anonymous GitHub account mass-dropping undisclosed 0-days

https://opengraph.githubassets.com/372ae3173bbcb79697b2a6439fc7a17052a33134ecd85e01136b2a5c14eefa5c/bikini/exploitarium
A repository consolidates former PoC repos with identical tracked files. It preserves vulnerability research for 12 repos with 96 tracked entries, for good-faith open-disclosure.

The curious case of the disappearing Polish S

https://aresluna.org/images/the-curious-case-of-the-disappearing-polish-s/ogimage.png
“I just started an article in Polish. I can type in every letter, except Ś. When I press the key for Ś, the letter just doesn’t appear. It only happens on Medium.” This was odd. We don’t really special-case any language in any way, and even if we did… out of 32 Polish characters, why would this random one be the only one causing problems? Turns out, it wasn’t so random. This is a story of how ...

Wayfinder Router: deterministic routing of queries between local and hosted LLM

https://raw.githubusercontent.com/itsthelore/wayfinder-router/main/docs/tui-chat.png
Wayfinder is a prompt router that decides whether to send a prompt to a local or cloud model based on its structure and wording. It reads the shape of a prompt and difficulty cues in the wording to determine the routing decision.

Show HN: Decomp Academy – Learn to decompile GameCube games into matching C

https://decomp-academy.dev/brand/png/og-image.png
The MWCC GC/2.0 compiles and diffs code, requiring exact byte matches. It's a decompilation challenge for GameCube PowerPC assembly into C, graded by a Metrowerks CodeWarrior GC/2.0 compiler.

The origins of the school system aimed to produce independent, critical thinkers

https://i.cbc.ca/ais/1.7174467,1713545866000/full/max/0/default.jpg?im=Crop%2Crect%3D%286%2C0%2C1174%2C660%29%3B
Wilhelm von Humboldt created the world's first education system and modern research university around 200 years ago. His philosophy of education, Bildung, focuses on reaching one's potential and developing individual capabilities through critical thinking and self-cultivation.

Choosing a Public DNS Resolver

Encrypted DNS options like DoH and DoT add latency but often have similar whole-page load times as plain DNS. However, they provide better security and some providers have minor overhead.

A stray "j" ruined my evening

User created a link shortener script, but noticed issues with Gurk, a Signal TUI, when copying links ending in 'j'. The issue was due to ANSI newline delimiter being translated as 'j' at the end of links.

Bringing Swift to the Apple ][

https://yeokhengmeng.com/2026/06/swift-on-apple-ii/images/swiftii-hero-apple2plus.jpg
The user created SwiftII, a Swift-flavored mini development environment for the original Apple II, using heavy AI assistance in their spare time. The project involved building a compiler, interpreter, and tools like a file selector and text editor, with a focus on fitting as much of Swift into the Apple II as possible while still reading like Swift on sight.

Engineering for Bounded Cognition

https://shapeofthesystem.com/assets/og.png
The human mind can only hold about four things at once, and even that is a narrow beam of attention that misses much of what is happening around it. This limited capacity is the root of many software problems, but it can also be the key to good engineering, which is about shaping systems to work with the way minds actually work.

Austria Lobbies EU to Host Anthropic After US Access Curbs

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Regular expressions that work “everywhere”

https://www.johndcook.com/jdc_20170630.jpg
Regular expressions vary across tools, but a subset of features work everywhere, including . ^ $ [...] * \w \W \s \S \1 - \9 \b \B ? + | {n,m} (...) capturing.

WAL-RUS: a Rust Rewrite of WAL-G for PostgreSQL Backups

https://clickhouse.com/_next/image?url=%2Fuploads%2FWAL_RUS_Blog_Banner_00f644032a.jpg&w=2048&q=75
ClickHouse Cloud built WAL-RUS, a Rust-based Postgres backup tool for predictable memory usage. WAL-RUS is compatible with WAL-G and reduces memory consumption by over 70% while maintaining archival throughput.

More evidence of life on Mars but still no life (2025)

https://i.cbc.ca/ais/1.7649703,1759672248000/full/max/0/default.jpg?im=Crop%2Crect%3D%28109%2C140%2C2415%2C1358%29%3B
Scientists have found potential evidence of life on Mars, but no conclusive proof, with the latest discovery being two chemicals formed by microbial activity or chemical reactions. The possibility of life on Mars has been tantalizing humans for over a century, with many previous claims debunked, but new research suggests life could exist underground.

Space Shuttle Endeavour's 20-story vertical display

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Turn your site into a place people can bump into each other

The user created a "Town Square" feature on their website, allowing visitors to see each other as stick figures and interact. They've open sourced it and made it available for others to integrate into their sites.

From Pentagons to Pentagrams

https://i0.wp.com/math.ucr.edu/home/baez/mathematical/icosahedron_red.jpg
Galois conjugation maps regular pentagons to regular pentagrams and vice versa. This map preserves field operations and interchanges two kinds of quasiparticles in icosahedral quasicrystals.

From Hallmark to neon signs: A look at Jim Parkinson's career in letter art

https://typographica.org/wp-content/uploads/2025/06/Jim_Parkinsin_at_typnic_Photo_by_Stephen_Coles.jpg
Jim Parkinson, a renowned lettering artist and type designer, died at his home in Oakland, California, after a long battle with Alzheimer's. He is survived by his wife Dorothy Yule and will be remembered for his incredible talent in rendering various letter styles by hand.

AI learns the “dark art” of RFIC design

https://spectrum.ieee.org/media-library/abstract-rainbow-blocks-and-shapes-linked-by-flowing-blue-wave-lines-on-white-background.png?id=67001857&width=1200&height=1579
Wireless technology relies on radio-frequency integrated circuits (RFICs) that are difficult to design due to their complex electromagnetic properties. Researchers have developed AI algorithms that can design RFICs more efficiently and effectively than human designers, potentially revolutionizing the field.

OpenRA

https://www.openra.net/images/news/20260222-generators.gif
OpenRA playtest features new random map generators for Red Alert, Tiberian Dawn, and Dune 2000. The update includes balance overhauls, difficulty adjustments, and UI improvements for map-making.

Reducing tick density along recreational trails in Ottawa, Canada

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Turning music into a chore is how I became a musician (2022)

https://the.scapegoat.dev/static/og-image.png
The author took a 3-month sabbatical in 2020 to finish an album, which transformed their music-making process into a repeatable routine. They learned to focus on quantity over quality, releasing 4 songs as an EP and many more over the following year.

The best response to AI slop and online noise is from Robin Williams

https://images.squarespace-cdn.com/content/v1/5feca30531a19847227af3bb/c91ddd9f-ae14-466e-84c8-ad68f367f388/Screenshot+2026-06-18+at+6.55.30%E2%80%AFAM.png
The movie Good Will Hunting highlights the difference between expertise and wisdom, with the character Will having knowledge but lacking experience, while Sean has lived through life's challenges. This moment emphasizes the importance of lived experiences in creating meaningful work.

Suspicious Discontinuities (2020)

https://danluu.com/images/discontinuities/pell-2008.jpg
Discontinuities in tax policies, subsidies, and other systems can lead to people behaving in ways that are not optimal, such as losing money to reduce taxes or manipulating grades. Smoothing out these discontinuities can help mitigate these issues, and techniques like randomization can be used to achieve this.