Linux Sandboxes and Fil-C

Memory safety and sandboxing are two different security measures. Combining them with Fil-C runtime is more effective to prevent attacks than having either one.

An Implementation of J

J is a freely available dialect of APL with a simpler and more powerful spelling scheme. It is implemented in C and specified by the J Dictionary.

Closures as Win32 Window Procedures

The user describes a technique to enhance Win32 window procedure callbacks with a fifth argument to pass extra context, which is useful for libraries with weak custom allocator interfaces. They provide a solution using a trampoline function that allocates executable memory from the loader and uses GNU-styled toolchains targeting COFF to create a new section for the trampoline.

Recovering Anthony Bourdain's (really) lost Li.st's

https://sandyuraz.com/blogs/bourdain/preview.jpg
User worked on a project to recover lost Anthony Bourdain lists from publicly available crawl archives, specifically Common Crawl. They were able to recover most of the lists with the help of Claude and a python script.

I fed 24 years of my blog posts to a Markov model

You shared a Mark V. Shaney Junior program on github.com/susam/mvs, a minimal Markov text generator inspired by the 1980s Mark V. Shaney program. The program generates gibberish by training on text data, such as your blog posts.

I tried Gleam for Advent of Code

https://blog.tymscar.com/gleamadventofcode2025/events.png
The user enjoyed using Gleam for Advent of Code, appreciating its clean syntax, helpful compiler, and strong functional programming style. They found the language to be well-suited for the challenges, with features like fold_until and pipelines making solutions feel clearer.

Using E-Ink tablet as monitor for Linux

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User set up an Android E-ink tablet as a display for reading and writing with less eye strain. They used TigerVNC server and AVNC client to mirror their computer screen with low latency.

VPN location claims don't match real traffic exits

https://ipinfo.io/blog/content/images/2025/12/Trust-Your-VPN-Location.png
IPinfo found that 17 out of 20 popular VPNs claim to exit traffic from countries they don't actually serve.

Cat Gap

https://upload.wikimedia.org/wikipedia/commons/thumb/3/36/Feliform_Timeline.svg/500px-Feliform_Timeline.svg.png
The cat gap is a 7 million year period in North America where few cat-like species fossils were found, possibly due to climate change, volcanic activity, or competition with other carnivorous mammals. The gap ended with the arrival of felids from Eurasia 18.5 million years ago, which are descended from the genus Pseudaelurus.

Lean Theorem Prover Mathlib

https://opengraph.githubassets.com/45a399c933cb0400cd54fdcdcab24df5e84182baddfd846f520637dbbe293778/leanprover-community/mathlib4
Mathlib is a user maintained library for the Lean theorem prover. It contains both programming infrastructure and mathematics, as well as tactics that use the former and allow to develop the latter. You can find detailed instructions to install Lean, mathlib, and supporting tools on our website. Alternatively, click on one of the buttons below to open a GitHub Codespace or a Gitpod workspace ...

The Rise of Computer Games, Part I: Adventure

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The early personal computer game culture was shaped by hobbyists who shared and created games, with adventure games emerging as a popular genre. The first commercial adventure game, Adventureland, was created by Scott Adams in 1979, but it was Infocom's Zork, released in 1980, that became a huge success and dominated the market.

Therapeutic Use of Cannabis and Cannabinoids: A Review

https://cdn.jamanetwork.com/UI/app/img/covers/jama.jpg
A signaling network in the body that includes cannabinoid receptors, primarily cannabinoid receptors types 1 (CB1) and 2 (CB2), endogenous ligands (endocannabinoids), and enzymes responsible for their synthesis and breakdown. The endocannabinoid system regulates bodily functions including pain, mood, appetite, memory, and immune function A G protein–coupled receptor (a large family of ...

Why Twilio Segment moved from microservices back to a monolith

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Twilio Segment initially adopted a microservices architecture but faced complexity and decreased productivity. They later transitioned to a monolithic architecture, which improved developer productivity and operational efficiency despite some trade-offs.

Rocket Lab – 'Raise and Shine' Launch for JAXA [video]

Dhtml Lemmings (2004)

Your browser doesn't support frames; please upgrade your browser software.

Useful patterns for building HTML tools

https://static.simonwillison.net/static/2025/html-tools/svg-render.jpg
The user has built over 150 HTML tools combining HTML, JavaScript, and CSS in a single file, using LLMs to generate code and has discovered useful patterns for building these tools. They share their collection of tools and provide tips on how to build and host HTML tools, including using CDNs, local storage, and CORS to enable features like file uploads and API access.

Awesome-Jj: Jujutsu Things

https://opengraph.githubassets.com/2475822dc4b4bf90c461736ed8f6f0184b8d8b001e8e1f004b5eff682c1006a4/Necior/awesome-jj
This repo contains a curated list of awesome articles, tutorials, videos, tools or other resources that are related to Jujutsu. Whether it's fixing a typo, making the list more legible or adding/updating/removing a link -- feel free to create an issue or submit a pull request.

Free Software Awards Winners Announced: Andy Wingo, Alx Sa, Govdirectory

The Free Software Foundation awarded Andy Wingo for his contributions to free software, particularly GNU Guile, and Alx Sa for work on GIMP. Govdirectory received the Award for Projects of Social Benefit for providing a fact-checked listing of government addresses with free software.

1 html search engine

Universal Search Engine !N NEWS $TSLA !W WIKI !G GITHUB !R REDDIT UUID TIMER

Cryptids

https://wiki.bbchallenge.org/w/images/thumb/f/f6/Lovecraft_beaver.png/300px-Lovecraft_beaver.png
Cryptids are Turing Machines with simple rules but hard mathematical problems, often Collatz-like behavior. They are unsolved and presumed hard, making it difficult to determine their halting problem.

Ask HN: How can I get better at using AI for programming?

You're rewriting a jQuery + Django project into SvelteKit and looking to improve efficiency and code quality with AI assistance. AI can replicate code but struggles to meet 90% of your quality standard requiring manual review and improvement.

Go Proposal: Secret Mode

https://antonz.org/accepted/runtime-secret/cover.png
The new runtime/secret package in Go erases sensitive information from memory after use to prevent attacks. It's experimental and mainly for cryptographic library developers, not application developers.

From Azure Functions to FreeBSD

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The user migrated their web services from Azure Functions to a FreeBSD server in their garage due to Azure's EOL for Linux Consumption in 2028. The migration was relatively smooth and resulted in improved performance, ease of management, and cost savings, with the user now able to deploy with a simple "sudo make install".

Some surprising things about DuckDuckGo

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DuckDuckGo is an independent search engine founded in 2008, offering private search results and its own browser with various protections. The company has a unique approach to AI, making features private, useful, and optional, and has a strong focus on user privacy and security.

Flat-pack washing machine spins a fairer future

https://www.positive.news/wp-content/uploads/2025/11/PN_Xmas2025_STANDARD_WEB_03-1.jpg
A former Dyson engineer invented the hand-crank Divya washing machine for deprived communities, reducing laundry time by 75% and halving water consumption. The machine has impacted 50,000 people with plans to reach 1,000,000 by 2030 through a network of partners and localised production.

What is the nicest thing a stranger has ever done for you?

https://bear-images.sfo2.cdn.digitaloceanspaces.com/livingoutloud/img_0174.webp
Here is a 2-sentence summary of the text in under 200 characters.

EasyPost (YC S13) Is Hiring

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EasyPost is a revolutionary software company simplifying shipping. It's an engineering-first company with a diverse team from startups to large tech companies.

A Giant Ball Will Help This Man Survive a Year on an Iceberg

https://cdn.outsideonline.com/wp-content/uploads/2015/04/14/survival-capsule-bellini_s.jpg
Italian explorer Alex Bellini plans to live on an iceberg for a year in a survival capsule to experience uncontrollable nature. He will be completely isolated, but the indestructible capsule will minimize risk and allow him to stay safe.

Using Python for Scripting

https://hypirion.com/thumbnails/use-python-for-scripting.jpg
The author suggests using Python 3 instead of shell scripts for cross-platform development due to its wide installation and familiarity. Python's standard library ensures consistent behavior across machines.

Photographer built a medium-format rangefinder

https://petapixel.com/assets/uploads/2025/12/mrf2-featured-800x420.jpg
Photographer Albert Cornelissen built the MRF2, a medium-format rangefinder camera that combines old and new technology for a unique analog photography experience. The open-source project is available on Github for anyone to access and build their own custom version.