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.

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

https://audiomass.co/icon.jpg
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.

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.

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.

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

https://epoch.ai/assets/images/trends/trends-thumbnail.png
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.

Wake up! 16b

https://content.pouet.net/files/screenshots/00106/00106210.jpg
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

Amazon Web Services – Four Years and Out

https://www.adventuresinoss.com/images/melania.jpg
The author was fired from AWS, citing relief due to the company's shift in focus from customer needs to Generative AI. The author felt the company lost its human touch and became too focused on replacing employees with AI.
https://techcrunch.com/wp-content/uploads/2026/05/spam-7f0198d1a59491c8.jpg
Scammers are abusing Microsoft's system to send fake emails from [email protected], potentially tricking people into thinking they're genuine. Microsoft is investigating and taking action to strengthen its detection and blocking mechanisms.

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

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
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.

Claude is not your architect. Stop letting it pretend

https://images.unsplash.com/photo-1507925921958-8a62f3d1a50d?auto=format&fit=crop&w=1024&q=80
Using AI agents like Claude to design architecture can be problematic as they lack context and may produce generic solutions that don't fit a team's specific needs. To avoid this, it's essential to keep humans accountable for architectural decisions and use AI agents to implement designs, not create them, to ensure that the final product is tailored to the team's unique constraints.

The four-day workweek in Australia: insights from early adopters of 100:80:100

https://scienceaim.com/wp-content/uploads/2026/05/Screenshot_3.png
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.

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.

A fundamental principle of aeronautical engineering has been overturned

https://media.wired.com/photos/6a0f1d82527cc03d8afd9e26/master/w_2560%2Cc_limit/1341532824
Researchers at Tohoku University discovered a new method to reduce aerodynamic drag by up to 43.6 percent using distributed micro-roughness. This technology, called DMR, delays the transition from laminar to turbulent flow, reducing frictional drag.

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.

DeepSeek to Make Permanent 75% Discount on Flagship AI Model

DeepSeek is keeping a 75% discount on its V4-Pro model, maintaining low prices for developers. This move intensifies competition in the AI industry, with Chinese firms competing directly with global peers.

Ten Basic Clouds

https://www.noaa.gov/sites/default/files/2022-05/Cirrus.jpg
Luke Howard noticed that clouds often have features of two or more categories, such as cirrus + stratus, cumulus + stratus, etc. Based on these observations, he suggested modifications (or combinations) of the core four clouds between categories. This research served as the starting point for the ten basic types of clouds we ob

Building Pi with Pi

https://lucumr.pocoo.org/static/pi-issue-tracker-volume.png
The author is frustrated with the quality of issues and code generated by Large Language Models (LLMs) in Open Source projects. They want humans to own their issue reports and not rely on LLMs to create slop.

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.

Omarchy Is Not A Distro

Omarchy is DHH's personal Linux setup, essentially Arch Linux with his dotfiles, marketed as a distribution. It includes proprietary software and preloaded scripts, making it unsuitable for new Linux users.

'AI washing': firms are scrambling to rebrand themselves as tech-focused

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UK companies are exaggerating their AI capabilities to gain media attention, with some using "AI washing" to rebrand existing technologies. PR executives are frustrated with bosses demanding they pitch AI-related stories despite the companies' lack of genuine AI use.

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.

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.

The seed oil panic is hurting my cardiac patients

https://www.statnews.com/wp-content/uploads/2025/03/GettyImages-1393886138-768x432.jpg
A clinical dietitian argues that the seed oil panic is driven by misinformation and that evidence supports the health benefits of polyunsaturated fats. The real issue is ultra-processed food, not seed oils, which are often just one ingredient in a complex product.

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.

Alexander Grothendieck Revolutionized 20th-Century Mathematics

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Alexander Grothendieck revolutionized 20th-century mathematics with his work in algebraic geometry. He introduced schemes, a new way to study relationships between objects, and reoriented the field in radical new directions.

The C64 Dead Test Font

https://www.masswerk.at/nowgobang/images/dead-test-font-title.jpg
The “dead test” diagnostic cartridge of the commodore 64 uses an 8k ultimax cartridge with rom code at $e000–$ffff. the cartridge implements just 58 characters, without any reverse video characters or reverse image matrices. if we were to address any screen code beyond $39, we’d address the $aa fill area. there are no further character matrixe s implemented and no reverse images of these

Human Bottlenecks

https://borretti.me/assets/card/human-bottlenecks.webp
People imagine AI can boost their productivity and knowledge, but it often doesn't because they lack a serious context of use or are bottlenecked by internal factors like mental energy, motivation, and intelligence. AI can't overcome these internal limitations until we have advanced biotechnology.

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.

Justice Department scrubs its website of news releases about Jan. 6 defendants

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The US Justice Department removed news releases about Jan 6, 2021 riot cases, calling them "partisan propaganda." The move is part of the Trump administration's efforts to rewrite the history of the Capitol assault.

Perceptual Image Codec: What Matters in Practical Learned Image Compression

https://apple.github.io/ml-pico/assets/spotlight_figure.png
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.

'Fuck you, Bambu': How one private message could change the face of 3D printing

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Bambu Lab, a 3D printer company, is under fire from the open-source community for allegedly violating its own open-source license. The community is rallying behind developer Paweł Jarczak, who was asked to remove his code after he found a way to bypass Bambu's proprietary requirements.

Squares in Squares

10 $s = 3 + 1over 2sqrt 2 =nn3.70710678118654$found by frits göbel in early 1979.proved by walter stromquist in 2003.explore group 11 $a = 0 = $n - 3.87708359002281 $rigid. 55 $d = 7.0077100750391$

We are Poles, so, of course, we print in Latin

https://ustc.ac.uk/storage/yH1JNvzTQgz0qJITjsLI6lL7t3pOL4Guc7o0jNFm.png
Latin remained the dominant language in Poland until the end of the 17th century despite the rise of Polish. Latin was used in official documents, literature, and everyday speech among the nobility and elite.

What it takes to transpose a matrix

https://gudok.xyz/transpose/srcwise.gif
The naive matrix transpose algorithm has a read stream that can process the matrix in approximately 1.25c per element on average due to optimizations like prefetching, in-memory buffering, and high memory parallelism, but the write stream is a severe bottleneck due to strided access pattern and limited usefulness of caching. The performance of the write stream degrades as N grows, and it is ...

FreeBSD Foundation executive director tries daily driving FreeBSD on laptop

FreeBSD Executive Director Deb Goodkin tried running FreeBSD daily on a laptop, citing past struggles with laptop support. With a Framework Laptop, she successfully used FreeBSD as a daily driver after overcoming some challenges.

Microsoft's 6502 BASIC is now Open Source (2025)

https://opensource.microsoft.com/blog/wp-content/uploads/2025/09/the-title-page-of-the-assembly-language-code-that.jpeg
Microsoft is releasing the 1976 6502 BASIC code under an open-source license, allowing coders to study and run it in modern systems. The code was originally written by Bill Gates and Paul Allen for the Altair 8800 and later adapted for the Commodore PET and Apple II.

What I've Learned (So Far) Building Online Mini Games with Elixir and Swift

The user discusses their social arcade project Migo Games built with Elixir, Phoenix, and Swift, leveraging AI for development. They praise Elixir's scalability and fault tolerance, and appreciate AI's ability to reduce bloat in software.

The Green Side of the Lua

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
A study on Lua's runtime performance and energy efficiency found that LuaJIT compilers significantly outperform standard Lua interpreters, consuming 7 times less energy and running 7 times faster. LuaJIT approaches C's efficiency, using 6 times more energy and running 8 times slower.

What Gets Kept

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The author met Jack Kerouac on a blind date in 1957 and they had a romantic relationship. The author kept Kerouac's red-and-black-checked shirt, which he had given her, and it started her own Kerouac collection.

IBM Confidential: System/360 File Organization [video]

When (if ever) it's appropriate to make jokes before the US Supreme Court

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The Supreme Court's Guide for Counsel outlines dos and don'ts for attorneys arguing before the court, including rules on addressing justices, interrupting, and answering questions directly. Attorneys are advised to avoid humor, selfies, and profanity, but can use quotes and exceptions such as trademark disputes or FCC regulations.

API proposed by Chrome: Declarative partial updates

https://developer.chrome.com/static/blog/declarative-partial-updates/image/thumbnail.png
The Chrome team has developed new APIs called Declarative Partial Updates to make it easier to deliver HTML in a less linear fashion, improving page load performance and enabling features like island architecture and streaming content. These APIs include new out-of-order streaming APIs using the <template> element and processing instruction placeholders, as well as new JavaScript APIs for ...

The political polarization of health outcomes in the USA

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Conservative Americans experienced worsening health and higher mortality than liberals during the 2010s. Growing ideological divides in health behaviors are leaving conservative Americans increasingly vulnerable to preventable health risks.

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 ...

San Francisco immigration court shuts down after purge of judges

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San Francisco's main immigration court closed due to a White House purge of judges, leaving 117,000 cases to be handled in Concord. The closure has caused chaos and delays, making it harder for immigrants to access justice and increasing the risk of deportation.

A history of obituaries in American newspapers

https://blogs.loc.gov/headlinesandheroes/files/2026/05/Obits-featured.jpg
Obituaries have evolved from short death notices to detailed records of a person's life, reflecting changing societal values and technological advancements. Their history spans over two millennia, influenced by factors like printing technology, social class, and war, ultimately becoming a personal remembrance of the deceased.

Mathematical Patterns in African American HAIRSTYLEs

https://math.buffalo.edu/mad/special/gilmerpix/fig1.jpg
The study of ethnomathematics explores mathematical ideas in cultural practices, such as African-American hair braiding, to enhance education and access to scientific knowledge. Hair braiding patterns, like tesselations, can be used to teach mathematical concepts like geometry and spatial reasoning.

Liverpool and Manchester Railway

https://upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Opening_Liverpool_and_Manchester_Railway.jpg/330px-Opening_Liverpool_and_Manchester_Railway.jpg
The Liverpool and Manchester Railway was the world's first inter-city railway, opening on September 15, 1830, between Liverpool and Manchester in England. It was a significant innovation in transportation, using steam locomotives and a signalling system to carry passengers and freight.

Libwce: The entropy layer of a wavelet codec, on its own

libwce is a bare-bones entropy layer implementation for image compression, providing a patent-clean Bit-Plane Count (BPC) style entropy layer in the spirit of JPEG XS. It can be used as a building block for image compression pipelines, allowing users to study and modify the entropy layer without the weight of a full codec implementation.

All Lean Books and Where to Find Them

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The user shares their experience reading multiple books on Lean, a programming language, and provides guidance on how to approach learning it, including suggested reading orders and recommendations for different skill levels. They also mention various resources, including books, games, and interactive tools, that can help users learn Lean and formalize mathematics.

The day my ping took countermeasures

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The user investigated why the ping utility was taking countermeasures when the system clock was rolled backward, and found that it was due to the ping developers handling clock changes in both directions. The user also discovered that ping uses the SO_TIMESTAMP CMSG to measure latency and that clock adjustments can confuse ping, but using CLOCK_MONOTONIC would not work in this case.

Show HN: The Front Page – Newspaper-style front page for Hacker News

https://thefrontpage.dev/image?url=https%3A%2F%2Fmullvad.net%2Fpress%2FMullvadVPN_logo_Round_RGB_Color_positive.png
The article discusses various topics including Mullvad's solutions, gobee, Riscrithm, HetznerCloud, Gnutella, film reviewer A.S. Hamrah, and more, highlighting technical approaches and innovations in data integrity, AI, and software development. It also covers news on Microsoft, Firefox, NordVPN, DeepSeek API, scams, and other topics related to technology, security, and innovation.

The Worlds Left to Conquer

The author has been running a consultancy for 1.5 years and is doing well, with enough revenue to last until 2027. They're now looking to expand into technical recruiting, aiming to disrupt the market and help competent sectors.

Seeking a Language in Mathematics 1523-1571

https://tyndale.org/journals/reformj01/p196.jpg
The use of English in mathematical publications grew in the 16th century, with authors like Robert Recorde and Thomas Digges contributing to the development of mathematics in England. Their works, including Recorde's "The Whetstone of Witte" and Digges' "Pantometria", helped establish English as a language for mathematics and paved the way for future scientific advancements.

The C++ Standard Library Has Been Walking Itself Back for Fifteen Years

https://hftuniversity.com/static/images/book-cover.jpg
The C++ standard library has accumulated a large number of features that have been walked back or deprecated over the years due to design errors or poor performance, with many of these features remaining in the standard due to ABI compatibility issues. The committee's failure to remove these features and its continuous addition of new ones that are not widely adopted has led to a language ...

2009 Aftonbladet Israel Controversy

https://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Aftonbladet_headquarters_Stockholm.JPG/330px-Aftonbladet_headquarters_Stockholm.JPG
A Swedish newspaper Aftonbladet published an article in August 2009 claiming Israel stole organs from Palestinians in custody, prompting a diplomatic rift between Sweden and Israel. The Israeli government initially denied the allegations, but later admitted to harvesting organs from Palestinians without permission in the 1990s for transplant purposes.

I am not a black belt

https://rodolphoarruda.pro.br/wp-content/uploads/bokken.jpg
The user is a 2nd dan Aikido black belt who wrote a book for teenage readers and young adults, but is now seeking a publisher and learning about the craft of writing, comparing it to the journey of learning Aikido. The user is at the beginning of their writing journey, feeling like a "white belt" author, and is seeking feedback and guidance, just as they did when starting Aikido.

The Eternal Sloptember

The user believes AI agents will lead to a costly mistake in software development as they cannot truly program and will produce more low-quality code than ever before. They think large organizations will be hurt the most by AI adoption due to slower feedback loops and less alignment, leading to a dark age for quality software.

No Juniors Today, No Seniors in 2031

https://cdn.fbritoferreira.com/images/no-juniors-today-no-seniors-in-2031-1200.webp
The junior software engineering job market has contracted significantly since 2022, with a 40% drop in postings and a 25% decline in entry-level hiring at top tech firms, due to the increasing reliance on AI and the removal of the apprenticeship loop that produces senior engineers. To address the impending senior engineer shortage, companies must reopen the junior pipeline, set a ...

Show HN: TapToyPia

https://memalign.github.io/m/taptoypia/taptoypia.png
Explore and survive

Extending MySQL with VillageSQL

https://maxdemarzi.com/wp-content/uploads/2026/05/chatgpt-image-may-21-2026-01_27_07-pm.png?w=580
The user fell in love with Neo4j's extensibility and is now using VillageSQL to add a Roaring Bitmap data structure to MySQL. They successfully created an extension with custom types and functions, and it works with MySQL Stored Procedures.

Ask HN: Why didn't the C64 come with Simons' BASIC in the box from 1983 onward?

Commodore chose a cartridge over ROM for Simons' BASIC due to licensing costs and compatibility issues. This decision was also influenced by Commodore's price war with Texas Instruments and Jack Tramiel's focus on reducing costs.

CBP updated its electronic device search directive in Jan 2026

Jira Is Turing Complete

Jira's automation language is Turing-complete due to a Minsky register machine reduction. It uses two counters and finite instructions to simulate any computation.

$100 CPU Shootout: Comparing the Ryzen 5 5500, Core i3-14100F, & Core i3-12100F

https://cdn.mos.cms.futurecdn.net/BUjCMEGfMzzht4gp3FfEHF.jpg
The ryzen 5 5500 is the most dated cpu here, packing six zen 3 cores. the core i3-14100f is a clear favorite, outpacing the ryzen by just over 10% overall. if you spring for ddr5, expect to spend about double what you spend on ddr4. the newer cores are also more cost-effective, with the cost of memory being half that of ssd vs

Limerick

The Latin word "cento" entered English in the 17th century, initially referring to a garment made of patches or a literary work composed of others' writings. It later came to describe overly elaborate or clichéd writing.