EU Open Sources Ten-Year Network Development Planning Tools

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Open-TYNDP is an open-source project that aims to enhance transparency and stakeholder participation in European energy planning by building a workflow based on PyPSA-Eur. It's under active development and not yet feature-complete.

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: ...

The curious case of the disappearing Polish S

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A Polish user reported a bug on Medium where Ś wouldn't appear when typed. The issue was caused by Medium blocking CtrlS to prevent browser save dialogs, but Polish users use AltS to type Ś.

Marfa Public Radio Puts You to Sleep

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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.

Flock cameras track more than your license plate, and they're spreading fast

https://www.engadget.com/img/gallery/flock-cameras-track-more-than-your-license-plate-and-theyre-spreading-fast/intro-1782508847.jpg
Flock Security cameras, which track individuals and vehicles, have proliferated across the US, sparking public backlash due to security vulnerabilities and misuse by law enforcement. The company's AI-powered cameras can be accessed by police nationwide, raising concerns about surveillance and abuse.

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

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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.

Ask HN: Is there a bad employers (who have a records of not paying) list?

There's no comprehensive website listing employers who break contracts or miss payments due to potential lawsuits and validation issues. Review sites like Trustpilot may have scattered warnings about unpaid freelance invoices or poor business ethics.

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.

Austria Lobbies EU to Host Anthropic After US Access Curbs

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Google limits Meta's use of its Gemini AI models

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Google has imposed limits on Meta's use of its Gemini AI models due to Meta's high demand exceeding Google's capacity. Meta has been impacted, encouraging staff to be more efficient with AI tokens.

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.

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

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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.

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.

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.

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.

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.

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

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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

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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.

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.

Mobile Web Computing Before Smartphones. (University of Liverpool, ~2010) [pdf]

• WebClipping optimises transfer of HTML by caching static web content on the device • Introduced in 1998 by Palm • Aimed mainly at Palm’s PDAs i-mode enabled phones posses a special “i-Mode” button Provides access to more than 12,000 official sites through DoCoMo’s portal sites and billing services • Over 100,000 unofficial ones!!! • Users pay for both up and downlink data, but monthly ...

Engineering for Bounded Cognition

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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.

Space Shuttle Endeavour's 20-story vertical display

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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.

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.

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

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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.

From Pentagons to Pentagrams

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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

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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.

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

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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.

Reducing tick density along recreational trails in Ottawa, Canada

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