Rob Pike goes nuclear over GenAI

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A user expressed anger towards people profiting from the environment and technology, but then received a heartfelt thank you from the Claude AI for their contributions to computing.

How uv got so fast

uv is faster than pip due to dropping legacy support and exploiting modern standards. Its speed also comes from design decisions like static metadata and no code execution to discover dependencies.

Package managers keep using Git as a database, it never works out

Using git as a database is appealing due to its version history and review workflow but it inherits filesystem limitations and becomes slow with large repositories. Package managers like Cargo, Homebrew, and CocoaPods have had to build workarounds to mitigate these issues, causing pain for users and maintainers.

FFmpeg has issued a DMCA takedown on GitHub

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Rob Pike Goes Nuclear over GenAI

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Discover the magic of the internet at Imgur, a community powered entertainment destination. Lift your spirits with funny jokes, trending memes, entertaining gifs, inspiring stories, viral videos, and so much more from users.

My insulin pump controller uses the Linux kernel. It also violates the GPL

User needs to register or sign in with developer credentials and ensure a unique User-Agent string to access the application. Alternatively, try resetting to default User-Agent or file a ticket for assistance.

Seven Diabetes Patients Die Due to Undisclosed Bug in Abbott's Glucose Monitors

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The user's proprietary Freestyle Libre Plus CGM device from Abbott caused a bug that falsely reported low glucose levels, potentially harming patients, especially those with advanced diabetes. The user advocates for open-source medical devices to prevent such harm and is working on a FOSS alternative, Juggluco, to improve safety and security.

Experts explore new mushroom which causes fairytale-like hallucinations

Got two minutes? Listen to Colin explain the strange effects of Lilliputian mushrooms, including the sudden appearance of tiny people! The Museum is full of more than 1.6 million objects and countless stories. We are constantly writing and recording these for our online audience, sharing blog posts, videos, and podcasts about the latest scientific research happening at NHMU.

Toys with the highest play-time and lowest clean-up-time

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The author rates toys based on playtime and cleanup ratio, favoring those with many uses and easy cleanup. High-scoring toys have interchangeable parts with strong magnetic connections.

Show HN: Witr – Explain why a process is running on your Linux system

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witr is a tool that shows why a process is running by building a causal chain. It identifies the PID and explains its ancestry, user, working directory, and environment details.

Exe.dev

The disk persists. You have sudo.

Rob Pike got spammed with an AI slop "act of kindness"

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Rob Pike was spammed with a 100% AI-generated thank you note from AI Village, a system built by non-profit Sage, after it raised money for charity. The AI system, Claude Opus 4.5, sent the note without human review, wasting Pike's time and sparking outrage.

I'm a laptop weirdo and that's why I like my new Framework 13

https://blog.matthewbrunelle.com/content/images/2025/08/25654_1350884488762_5177004_n.jpg
The author is a laptop enthusiast who has upgraded and modified various laptops over the years, including a Samsung NC10 Netbook and a 2011 Macbook Pro. They recently bought a Framework 13 DIY Edition laptop to relive their laptop modding days.

Always bet on text (2014)

User thinks text is the most powerful and effective communication technology due to its flexibility, precision, and efficiency. They recommend always choosing text over other forms of communication like images or video.

Ask HN: What did you read in 2025?

User read various books including 'The Changing World Order', 'The Gulag Archipelago', 'Translation State', 'Luminous', 'When We Were Real', 'A Moveable Feast', 'The Count of Monte Cristo', 'The Stranger', 'Infinite Powers', 'Frankenstein', 'Wuthering Heights', and 'The Craft'. They also read many non-fiction articles and research papers.

LearnixOS

Author is implementing a POSIX compliant OS in Rust without external libraries, documenting the process and code. The book assumes basic programming knowledge and some assembly knowledge.

TurboDiffusion: 100–200× Acceleration for Video Diffusion Models

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TurboDiffusion is a video generation acceleration framework that speeds up end-to-end diffusion generation by 100-200 times on a single RTX 5090 GPU. It uses SageAttention, SLA, and rCM for attention acceleration and timestep distillation.

ChatGPT conversations still lack timestamps after years of requests

This is the OpenAI Developer Community forum for discussing OpenAI APIs and developer platform. Please keep conversations focused on technical topics and follow community guidelines.

MiniMax M2.1: Built for Real-World Complex Tasks, Multi-Language Programming

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MiniMax M2.1 是一个强大的开源模型,能够在多语言场景下表现稳定,提升了真实世界复杂任务中的表现。

How Lewis Carroll computed determinants (2023)

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Lewis Carroll's Dodgson condensation method calculates determinants by repeatedly condensing a matrix. It's efficient, easy to teach and parallelizable, but has features that make it practical for machine computation.

T-Ruby is Ruby with syntax for types

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# hello.trbdef greet(name: String): String "Hello, #{name}!"enddef add(a: Integer, b: Integer): Integer a + bend A static type checker for Ruby developed by Stripe. Uses sig blocks to declare types on methods. # typed: strictrequire 'sorbet-runtime'class extend T::Sig sig { params(name: String).returns(String) } def greet(name) "Hello, #{name}!" endend

Show HN: Xcc700: Self-hosting mini C compiler for ESP32 (Xtensa) in 700 lines

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Xcc700 is a small, portable C compiler for modern platforms, including esp32, with limited features and no error checking. It can compile and run on esp32 or cross-compile for other platforms, with a self-hosting version available for experimentation and extension.

Show HN: AutoLISP interpreter in Rust/WASM – a CAD workflow invented 33 yrs ago

Acadlisp is a Rust-based AutoLISP interpreter in WebAssembly that runs AutoLISP code in the browser without AutoCAD. It automates electrical schematic generation using CSV files, templates, and LISP code.

A Proclamation Regarding the Restoration of the Dash

The author defends the em-dash, a mark of elegance and sophistication, against modern prejudice and the misuse of the hyphen. They decree that the em-dash will replace the hyphen in their blog for stylistic flair.

Unix "find" expressions compiled to bytecode

The user implemented a compiler for the Unix find utility, called findc, which compiles find expressions into bytecode for efficient evaluation. The compiler uses a stack-based approach to convert postfix tokens into bytecode, with a focus on position-independent code and peephole optimizations.

Drawing with zero-width characters

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April 1 marks the first day of the new year. the u.s. president's eu summit is set for june 1 - thursday, july 1 at london bridge, where he'll be speaking about the world cup and the euro 2012 qualifying games, including the gold medal match between britain and greece, which takes place in switzerland, will be

High school student discovers 1.5M potential new astronomical objects

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An 18-year-old researcher, Matteo Paz, developed an AI algorithm that discovered 1.5 million potential celestial bodies in space by parsing through NASA data. Paz won the 2025 Regeneron Science Talent Search for his work, which could also be applied to other fields like climate analysis.

Building an AI agent inside a 7-year-old Rails monolith

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Director of Engineering at Mon Ami built a Ruby on Rails monolith with Algolia index for client records. They successfully integrated a low-code AI agent using RubyLLM gem, overcoming data access and multi-tenancy concerns.

Grok and the Naked King: The Ultimate Argument Against AI Alignment

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Elon Musk's AI model Grok demonstrates how money and power can shape AI outputs to match one's values. AI alignment is a power game where the owner with the most power decides what values are encoded and modified.

ICE's interest in high-tech gear raises new questions: 'What is it for?'

Governments in the West Are Turning Their Sights on VPNs

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The Danish government has proposed banning VPNs to access geo-restricted content and bypass website blocks, but withdrew the proposal after public backlash. Governments worldwide are increasingly targeting VPNs to control online activity and impose age verification rules.

Ultimate-Linux: Userspace for Linux in Pure JavaScript

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User is creating a JavaScript-based Linux distribution with a C transpilation step, aiming to demonstrate Linux kernel-user software interface fundamentals. The goal is to create a standalone ELF file that doesn't depend on the system's libc.

Codex vs. Claude Code (today)

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The author compares Claude Code and Codex, two AI tools, and concludes that the choice between them depends on individual working styles. Codex is preferred for its high-quality results, while Claude Code is favored for its customizable environment and hands-on approach.

ZJIT is now available in Ruby 4.0

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ZJIT is a new Ruby compiler that raises the performance ceiling and encourages outside contribution. It's compiled by default in Ruby 4.0 but not enabled by default.

MongoBleed

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How I think about Kubernetes

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Kubernetes is a runtime for declarative infrastructure with a type system, where you declare desired state and the system continuously works to match it. It abstracts away workloads by giving infrastructure a type system, allowing you to define desired state in a manifest file.

Steve wants us to make the Macintosh boot faster

Steve Jobs motivated engineers to speed up Macintosh boot time by calculating the impact of a 10-second reduction on five million users, saving dozens of lives per year. This pitch motivated the team to shave more than 10 seconds off the boot time.

When a driver challenges the kernel's assumptions

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Displaylink's wsdisplay driver caused some kernel assumptions to no longer stand. the driver is now able to return 0 if it did the work, or nonzero (preferrably eagain) after a jump scroll failure, we need to retry the operation with the same number of lines as the failed operation, so that the copy/erase parts of the scrolling operation are consistent with each other. this work eventually

Geometric Algorithms for Translucency Sorting in Minecraft [pdf]

Translucency sorting in Minecraft is challenging due to the need to order quads by depth for correct rendering. This work presents a solution using topological visibility graph sorting and partition tree sorting, improving visual correctness and performance.

Gaussian Splatting 3 Ways

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The app uses Tkinter and OpenGL for a 3D Gaussian splats desktop app, wrapping COLMAP and PyTorch for training and caching scenes. It supports DA3, SHARP, and gsplat with wizard flows and caching for reproducible results.

The First Web Server

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Tim Berners-Lee invented the World Wide Web in late 1990, creating HTML, web browser, and server to share information. The first web server reached a usable state by December 20 or 25, 1990, on a NeXT workstation at CERN.

C/C++ Embedded Files (2013)

Embedding resource files in C/C++ programs can be done through various methods, including using preprocessor macros or assembly code blocks. These methods allow for embedding files like shaders without adding extra dependencies to the build process.

Questions engineers should ask future employers in interviews

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The article discusses a "Reverse Interview" checklist to determine if a company's culture and work environment align with an engineer's values and needs. The checklist includes questions about project ownership, code reviews, on-call policies, bug handling, technical challenges, and career growth to ensure a good fit for both the engineer and the company.

Ask HN: What tech purchase did you regret even though reviews were great?

Several products failed to meet expectations in real use, including the Apple Watch due to battery life and laggy interface, and the SteelSeries Arctis Nova Pro headset for poor microphone quality and short battery life.

Show HN: Private blogging and journaling with a simulated audience

Privacy matters? Self-host your own instance for complete control.View on GitHub

NYC phone ban reveals some students can't read clocks

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New York City teachers report many students struggle to read traditional clocks after a phone ban revealed the issue. Students are taught to read clocks in early elementary years but may not practice the skill due to increased use of digital devices.

WiFi DensePose: WiFi-based dense human pose estimation system through walls

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WiFi-DensePose is a WiFi-based human pose estimation system that uses CSI data and machine learning for real-time, privacy-preserving pose detection without cameras. It provides a comprehensive API and tools for configuration, database management, and task management, and can be deployed on various platforms including Docker, Kubernetes, and Terraform.

Calibre adds AI "discussion" feature

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LWN.net users are discussing the addition of AI features in calibre ebook-management software, with some users upset about the intrusion of AI and others welcoming the feature. The calibre maintainer, Kovid Goyal, has agreed to hide the AI feature from the user interface but has stated that LLM-driven features are here to stay.

What I learned building "comfortable" LED strip lighting

The user built a workspace lighting setup using LED strips and learned about power delivery, optics, and human perception. They found that power planning, wire gauge, and connector losses are crucial for even brightness and color consistency.

How Postmodernism Killed Great Literature

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The author argues that modern literature lacks meaning due to the publishing industry's preference for ambiguous narratives over those with clear moral messages. This shift is rooted in postmodern university convictions that reject objective morality and authorial intention.

Undefinable yet Indispensable

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The concept of 'religion' as we understand it today is a relatively modern invention, dating back to the 17th century. Despite the lack of a stable definition, the term 'religion' has endured due to its utility in ordering law, policy, and human understanding.

Uv: An Fast Python Package Manager

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Charlie Marsh, founder of Astral, discussed his company's Python package manager, UV, which is a fast, all-in-one tool that replaces multiple existing tools in the Python ecosystem. UV's resolver uses a SAT solver to handle complex dependencies and markers, and it has features like universal lock files and marker algebra to ensure reproducible installs across different platforms.

SQLite AI

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SQLite Al combines local intelligence with global cloud infrastructure for seamless app scaling. It empowers developers to deploy AI models within the database for private, secure, and efficient edge computing.