DeepSeek reasonix, DeepSeek native coding agent with high caching and low cost

Reasonix is a terminal-based AI coding agent for DeepSeek, engineered for prefix-cache stability. It's a free, MIT-licensed project with a paid DeepSeek API key.

Defeating Git Rigour Fatigue with Jujutsu

The user describes a jujutsu version control system workflow to simplify feature development by compartmentalizing changes and reorganizing them at the end. This technique allows for easier iteration and debugging, but may have downsides like potential compilation issues.

Australia Four-Day Work Week Study Data Shows Boosted Productivity

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A new study found that 14 out of 15 Australian companies that trialled a 4-day work week with 80% of previous hours and 100% pay saw success. The model allowed companies to measure productivity in their own way, resulting in increased productivity and reduced burnout.

LAN-LOK: The Antarctic DOS Sabotage Game Lost for 34 Years

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AlphaPixel rediscovered a 1991 DOS game, LAN-LOK, created at Palmer Station, Antarctica, which captures the frustrations and humor of early LAN administration. The game's mechanics reflect real operational challenges of the era, and its rediscovery brings a preserved moment in Antarctic computing history back into view.

Memory has grown to nearly two-thirds of AI chip component costs

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Memory's share of AI chip component spending rose from 52% to 63% from Q1 2024 to Q4 2025. Total AI chip component spending increased from $22 billion in 2024 to $52 billion in 2025.

Using HTTP/2 Cleartext for a server in Go 1.24

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Google Cloud Run has a known issue with client disconnects using HTTP/1.1, so we're switching to HTTP/2 cleartext (h2c) for better support. With Go 1.24, setting up h2c is simpler and can be configured directly on the http.Server.

Constraint Decay: The Fragility of LLM Agents in Back End Code Generation

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Large Language Model agents struggle with structural constraints in code generation, exhibiting a decline in performance as requirements accumulate. Agents perform better in minimal frameworks but poorly in convention-heavy environments, with data-layer defects being the leading root cause of errors.

Show HN: Audiomass – a free, open-source multitrack audio editor for the web

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AudioMass is a free, open source web-based audio editor running in the browser with no plugins required. It supports various audio operations and effects, with key shortcuts using Shift + key combos.

A fundamental principle of aeronautical engineering has been overturned

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Aerodynamic drag is a major “barrier” in high-speed airplanes, automobiles, and bullet trains. This is because a design with less aerodynamic drag allows the aircraft to move at higher speeds with less energy. When an aircraft or car body moves at high speed, a thin layer of air called the “boundary layer” is formed on its surface. This boundary layer has two states: laminar flow, in which ...

Migrating from Go to Rust

Go developers considering Rust are often motivated by correctness guarantees, runtime tradeoffs, and developer ergonomics, rather than performance. Rust's type system and borrow checker provide stronger guarantees and more explicit control over runtime behavior, but can be more verbose and require a different mindset.

I spent 50 hours drawing a line graph

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I used to live on a quiet hill with a great view of the city, but now I live downtown and work with databases. I spent 50 hours drawing a line graph by hand, learning to control line weight and style, and now I appreciate the process and art of hand-drawn data visualization.

CBP Directive 3340-049B: Border Search of Electronic Devices

You don't have permission to access "http://www.cbp.gov/document/directives/cbp-directive-no-3340-049b-border-search-electronic-devices" on this server.

Mastering Dyalog APL

The "Mastering Dyalog APL" book is being updated from Jupyter Notebooks for a more interactive learning experience. The online version is a work in progress with missing chapters and sections, but feedback and corrections can be given on GitHub or by email.

Build Adafruit projects right from Firefox

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Firefox gives Adafruit users a direct path from idea to connected hardware project — no extra tools or complex setup required. Use Web Serial to communicate with compatible devices from Firefox, right from supported web tools. Firefox is open source and made by Mozilla, the people-first organization behind an independent web.

Scientists solve 200-year-old puzzle of how tobacco plants make nicotine

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Scientists have solved a 200-year mystery of how tobacco plants make nicotine, a discovery that could lead to safer production of medicines and vaccines. The breakthrough reveals the missing genes and enzymes needed to create nicotine, paving the way for better biotechnology tools.

Flick (YC F25) Is Hiring Front End Engineer to Build Figma for AI Filmmaking

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Flick is a startup defining AI native filmmaking, founded by an engineer and an award-winning filmmaker. As a founding front-end engineer, you'll lead the development of Flick's core experience, shaping the future interface for AI visual storytelling.

Microsoft open-sources "the earliest DOS source code discovered to date"

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Microsoft released source code for the 86-DOS 1.00 kernel and PC-DOS 1.00 kernel, along with utilities like CHKDSK. The code was transcribed from paper printouts by the DOS Disassembly Group, a team of historians and preservationists.

Noroboto: Lying Fonts and Mitigation in Rust

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Researchers at LegalQuants created a font-based attack called Noroboto that can deceive AI models in legal documents. The attack works by replacing valid Unicode code points with private use areas, making the text unreadable to humans but still legible to AI models.

Childhood Computing

The author's childhood computing experience began in the early 1990s at a school with a computer lab, where they learned to program in LOGO and played classic games like Moon Bugs and Space Invaders. The limited access to computers sparked creativity, leading to writing their own game, Andromeda Invaders, and a lifelong passion for computing.

Greg Brockman interview [video]

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Greg Brockman, OpenAI's co-founder and President, shares the company's history and future in a rare conversation. He discusses AI, its impact, and the future of work in a podcast about mastering knowledge and insights.

Don't know where your data is from? Bayesian modeling for unknown coordinates

The mining industry uses spatial probability models to predict mineral resource concentrations from geologic samples with strong spatial correlation, but constructing a detailed geophysical model is often infeasible due to limited underground data. A Gaussian process model is used to accommodate measurement noise in the location of data points, allowing for reliable parameter estimates and ...

Ruby for Good

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The Ruby for Good event offers shared lodging, meals, and socializing for programmers to build projects helping nonprofits. Registration is all-inclusive, but refunds are not available after June 7th.

Book Review: On the Calculation of Volume

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Solvej Balle's septology "On the Calculation of Volume" is a literary project about a woman stuck in a time loop. The series explores the daily life of Tara Selter as she navigates her marriage and relationships within the loop.
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Scammers are abusing Microsoft's system to send fake emails from msonlineservicesteam@microsoftonline.com, potentially tricking people into thinking they're genuine. Microsoft is investigating and taking action to strengthen its detection and blocking mechanisms.

Perceptual Image Codec: What Matters in Practical Learned Image Compression

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PICO is a learned codec that provides 2.3-3 times bitrate savings and 20-40% savings against other codecs, while encoding and decoding images quickly. It offers cross-platform robustness and outperforms top ML-based codecs in speed and efficiency.

Usborne 1980s Computer Books

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Usborne offers free pdfs of award-winning computer books from the 1980s for personal or educational use. The books include program listings for old computers like ZX Spectrum and BBC Micro, but programs won't run on modern computers.

I keep bouncing off the Scheme language

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The user has a hard time grasping Scheme due to an inconsistent approach and an ALGOL-based mindset. They want to contribute to the GNU Guix and GNU Shepherd ecosystem but need to overcome their familiarity with other programming languages.

DeepSeek to Make Permanent 75% Discount on Flagship AI Model

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Wake up! 16b

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The user created a 16-byte x86 real-mode DOS assembly program called "wakeup" that uses the video memory as a calculation space to draw an infinite Sierpinski fractal and bangs the speaker with that geometry. The program's sound is created by XORing against the environment, resulting in a unique and sensitive output that is highly dependent on the hardware and BIOS version.

Why is Vivado 2026.1 dropping Linux support for free tier?

Sorry to interrupt