A Preview of DuckDB v2.0

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DuckDB v2.0, codenamed "Cyanoptera", is coming this fall with several key features including a server mode, triggers, the VARIANT type and asynchronous I/O. The new version will also introduce a modern SQL parser and improved storage format.

AI-Generated GitHub Copilot β€œAutofix” Allowed Compromise of Snowflake's Jira

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Wiz Research's Red Agent tool identified a critical GitHub Actions workflow vulnerability in Snowflake's public repository, which was introduced by an AI-powered commit. The vulnerability allowed an unauthenticated user to execute arbitrary commands within a GitHub Actions runner, but was patched by Snowflake on the same day it was reported.

Launch HN: Speko (YC S26) – OpenRouter for Voice AI

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Use published measurements to choose the best model for each language and objective, as vendor rankings may not be accurate. A single model is not optimal everywhere, so select based on user's native language.

How to disable or avoid intrusive AI

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This guide helps users disable or avoid intrusive AI in their tech environment, including disabling Gemini and Apple Intelligence features. Users can also block AI enhancements in Firefox, change default search engines to DDG, and turn off specific AI features in various applications such as Gmail and Zoom.

GPT 5.6 Sol is the best "vision" model OpenAI ever released

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OpenAI's GPT-5.6 lineup, including Sol, Terra, and Luna models, has shown significant improvements in vision capabilities such as object detection and counting. The Sol model outperforms the others in these tasks.

Buy Your Friends Batteries

A battery birthday club can save friends money by buying electricity when it's cheap and using it when expensive, optimizing prices automatically. This approach can also provide backup power during outages and reduce reliance on grid energy.

Incident with Github.com

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GitHub's Status Page - Incident with GitHub.com.

How to put 170 atoms in an atom

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Scientists created a "Rydberg polaron" by exciting an electron in a strontium atom, allowing up to 170 more atoms to fit inside. This unusual molecule has no practical use yet but teaches us about quantum mechanics and atomic behavior.

Ask HN: Alternatives to GitHub

Github's downtime has raised concerns about switching to alternatives like DSCI, Gitea, or Codeberg for version control and CI/CD. These options offer similar features with more flexibility in programming languages and a community-driven approach.

Olo (Color)

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Researchers at UC Berkeley discovered an imaginary color called olo, which can only be seen using specialized tools that target M cone cells. Olo is described as a blue-green color with unprecedented saturation, but some scientists question its existence as a genuinely new color.

Qwen 3.8 27B is excellent, but it defaults to overthinking things

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The author has been testing Qwen 3.8 27B, a large language model from Alibaba's research lab, on various machines and found it to be highly capable but slow due to its dense architecture requiring significant memory bandwidth.

How I developed an Am29000 C compiler and web browser

The author developed a 32-bit operating system, C compiler, assembler, and text editor for the Am29000 processor between Christmas 1998 and his birthday in 1999. He also created a web browser that connected to the internet using his own TCP/IP protocol stack.

Show HN: Sokoban AI Solver

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Sokoban is a puzzle game where the keeper must push boxes onto goals while reaching its own goal in as few moves as possible. The JavaScript port uses an A* search algorithm to find the optimal solution for most boards, but not for board 15 due to computational limitations.

Apple's App Tracking Transparency treated its own apps better than rivals

Apple has agreed to align its consent requests for user data on iPhones and iPads, following an objection from Germany's competition authority over differing rules for Apple's own offerings and third-party apps. The changes aim to ensure users can make informed decisions about personalized advertising.

Anthropic's β€˜watermark’ text adulteration in Claude is a perversion of writing

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Anthropic is implementing a watermarking system on its Claude models to comply with the EU's Code of Practice on Transparency of AI-Generated Content, which requires marking AI-generated text. The system uses semantic watermarking techniques that subtly influence word choices at inference time.

How to ship a database every day

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Turbopuffer deploys dozens of database upgrades daily, supporting 100+ clusters across multiple regions and deployment models. The control plane uses a custom MySQL database to manage operations, with a local state machine running on each cluster agent.

Show HN: Saggar, a Mac terminal that keeps sessions and your attention organized

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Saggar tracks project progress, allowing multiple agents to run simultaneously while keeping sessions visible and organized. It pairs with the Companion app for remote control and monitoring across Mac and phone devices using a single Marginal Utility account.

On AI regulation and messaging

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The author believes regulation can be a double-edged sword, potentially constraining corporate power but also risking regulatory capture. They advocate for balanced regulations that address AI risks and decentralize power through fair institutional processes.

Show HN: Desktopcolors.com – A museum for solid background colors of classic OS

The desktop that taught the world to point and click β€” with a scheme for every taste. The release that made Windows a success β€” and let you recolor the whole desktop.

Show HN: Learn Flags Quiz

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This website offers a world flags quiz with 197 countries, no sign-up required. It provides explanations for incorrect answers and helps users identify their weakest regions.

Universal Health Coverage Could Save $1T and 114k Lives a Year, Yale Study

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Healthcare costs are rising faster than inflation due to administrative waste, soaring drug prices, and emergency care. Implementing Medicare for All would save over $1 trillion annually by reducing these sources of waste and avert more than 100,000 deaths.

Mexico crackdown on coastal development

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Profepa launches aggressive campaign against unauthorized real estate developments along Mexico's YucatΓ‘n coast, promising demolition of illegal structures. The agency prioritizes environmental restoration over monetary penalties in a shift towards stricter enforcement.

Cross-Validation From Scratch and a Surprise at n=100

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Textbooks say LOOCV has the lowest bias but highest variance compared to 10 and 5-fold. Coded a K-Fold CV from scratch for learning to test that on simulated data πŸ”πŸ“Š β€” and at n=1000 it holds up. At n=100? Not so much. πŸ€” The above image was generated via chatGPT. Uploaded all the text of this blog post and asked it to generate a cartoon. Very impressive! It used to be spelling error and ...

Online clinics and influencers are promoting Cialis as a longevity drug

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Tadalafil, a common erectile dysfunction medication, is being repurposed as an "all-purpose longevity drug" due to its potential cardiovascular benefits. Some experts believe it could have a legitimate role in preventive health, but more research is needed before it can be widely recommended.

Ahmad on X: "Anthropic's War on open source AI" / X

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Anthropic's business model prioritizes control over safety and openness, using moral language to justify opaque behavior and restrict access to its models. The company's actions undermine the freedom to build, reproduce, modify, and share AI systems.

How Go detects struct copies with sync.noCopy

Linear algebra done right

The fourth edition of Linear Algebra Done Right is an open-access book with over 250 new exercises, available in multiple languages. It's a best-selling textbook for undergraduate math majors and graduate students, focusing on the structure of linear operators on finite-dimensional vector spaces.

Reticulum – Decentralized Mesh Network

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Reticulum is a cryptography-based networking stack for building decentralized, sovereign networks without control or censorship. It enables secure digital communication and end-to-end connectivity with self-sovereign addresses that can be moved freely within the network.

Judge relying wholly on AI in order is covered by judicial immunity, court rules

A federal court ruled that a state judge is immune from civil liability for issuing a judicial ruling relying on artificial intelligence, as it's a normal judicial function. The plaintiff cannot sue the state judge in federal court due to absolute immunity, but can raise objections through appeal or disciplinary proceedings.

The only known trebuchet casualty in history

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A medieval skeleton, known as Skeleton 150, was found in a chapel beneath Stirling Castle with severe injuries consistent with being hit by a trebuchet. The impact is believed to have occurred around 1304 during the siege of Stirling Castle by King Edward I of England.