How to turn anything into a router

https://nbailey.ca/images/router.jpg
User wants to create a homebrew router using a Linux-powered device, such as a mini-PC, to bypass a US policy banning new consumer router imports.

Parrots pack twice as many neurons as primate brains of the same mass

https://www.dhanishsemar.com/writing/bird-brains/opengraph-image?065a48ba6584b675
A flock of New Zealand kea parrots was found to be cleverly moving traffic cones to stop cars and get food from humans. Researchers have developed various tests to measure bird intelligence, including the mirror test, Aesop's Fable, and delayed gratification test.

CodingFont: A game to help you pick a coding font

Browse Studio

Bitwarden Integrates with OneCLI Agent Vault

https://www.onecli.sh/blog/bitwarden-agent-access-sdk-onecli.png?dpl=dpl_3Q2aATWdrEUSo6vpttrNTHVxpfyv
Bitwarden's Agent Access SDK allows AI agents to access credentials with human approval, eliminating the need for agents to store API keys. OneCLI, an open-source gateway, injects credentials into requests at the network layer, ensuring secure credential handling.

72% of the dollar's purchasing power was destroyed in just four episodes

https://mlde8o0xa4ew.i.optimole.com/cb:VNTn.d9a/w:1400/h:750/q:mauto/f:best/https://eco3min.fr/wp-content/uploads/2026/03/cpi-inflation-purchasing-power-staircase-v1.png
The US Consumer Price Index has tracked inflation since 1913, revealing episodic regime breaks rather than gradual erosion. Four major inflationary episodes account for 72% of the total cumulative price increase.

"Over 1.5 million GitHub PRs have had ads injected into them by Copilot"

Generative AI companies are injecting ads into their products, with Microsoft's Copilot inserting ads into over 11,000 GitHub pull requests. This move is likely to become a new revenue stream for companies like OpenAI, which has already seen a $100 million annualized revenue from ChatGPT ads.

Build123d: A Python CAD programming library

https://raw.githubusercontent.com/gumyr/build123d/dev/docs/assets/build123d_logo/logo-banner.svg
build123d is a Python-based CAD framework for 2D and 3D modeling, built on Open Cascade. It offers algebraic modeling and a clean, Pythonic interface for precise models.

Mathematical methods and human thought in the age of AI

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
AI is a natural evolution of human tools, facilitating idea creation and dissemination. Its development should remain human-centered to enhance quality of life and expand human thought.

ChatGPT won't let you type until Cloudflare reads your React state

Cloudflare's Turnstile program collects 55 properties from a user's browser, including font measurements, storage, and React application data, to verify the user is running a real browser with a fully rendered ChatGPT application. The program uses a custom VM with a server-generated XOR key to collect and encrypt the fingerprint data, which is then sent as the OpenAI-Sentinel-Turnstile-Token ...

The curious case of retro demo scene graphics

https://www.datagubbe.se/aipixels/g/lazur_l.jpg
The demo scene initially tolerated copying due to technical limitations, but as it evolved, artists began to value originality and craft over plagiarism. Today, many sceners reject AI-generated art and plagiarism, valuing the creative process and technical limitations that define the scene.

FTC Action Against Match and OkCupid for Deceiving Users, Sharing Personal Data

https://www.ftc.gov/sites/default/files/styles/crop_thumbnail/public/ftc_gov/images/gaming-controller-hero.jpg?itok=9PjrGCSl
The FTC took action against OkCupid and Match Group for sharing users' personal info with an unrelated third party despite promises to protect it. OkCupid and Match are now prohibited from misrepresenting their privacy policies.

I use Excalidraw to manage my diagrams for my blog

https://blog.lysk.tech/assets/images/export.dark.exp-252e0eacdb94f7d74ecc629f7c4ea4da.svg#gh-dark-mode-only
User created an Excalidraw extension to generate SVGs for light and dark mode, but it caused frustration due to dependency on text changes. They then created a new extension that automatically exports frames as SVGs in both modes, allowing for local review and reference.

In Math, Rigor Is Vital. But Are Digitized Proofs Taking It Too Far?

https://www.quantamagazine.org/wp-content/uploads/2026/03/FormalMess-crKristinaArmitage-Lede-scaled.webp
Mathematicians have long sought to formalize their proofs to ensure rigor and accuracy. They've developed systems like Lean, a computer language that can automatically verify proofs, but its adoption comes with risks of homogenizing math and shifting focus away from the problem domain.

From Proxmox to FreeBSD and Sylve in Our Office Lab

https://www.iptechnics.com/images/blog/blog_4/1.webp
The team switched from Proxmox to FreeBSD and Sylve due to a desire for a lightweight infrastructure stack that fit their workflow. They wanted a setup that stayed simple and direct under repetition, allowing them to focus on their work rather than managing infrastructure.

Hamilton-Jacobi-Bellman Equation: Reinforcement Learning and Diffusion Models

https://dani2442.github.io/posts/continuous-rl/continuous_rl.drawio.svg
A seminal 1952 paper lays the foundation for optimal control and reinforcement learning. bellman extended his work to continuous-time systems, turning the optimal condition into the pde. he estimates $v_kapprox valpha_j$ by monte carlo rollouts of the closed-loop sde and fits $v_theta$ via regression. $$ learned value function matches the exact power-law $

Comprehensive C++ Hashmap Benchmarks (2022)

https://martin.ankerl.com/img/2022/wanderfalke_edit.jpg
A comprehensive benchmark of 29 C++ hashmaps was conducted, evaluating 174 combinations of hashmaps with different allocators and hashes, resulting in 1914 benchmark evaluations. The benchmark results show that Google's Abseil's absl::flat_hash_map and ankerl::unordered_dense::map are among the fastest hashmaps, with excellent performance in various scenarios, including search, insertion, and ...

Spring Boot Done Right: Lessons from a 400-Module Codebase

https://miro.medium.com/v2/resize:fit:1200/1*tJMlM3BBtjyqr8CBG_Lmyg.png
Apereo CAS is a large open-source Spring Boot application that solves complex problems with seven battle-tested patterns, including the thin wrapper pattern, feature flags, and the configurer pattern, which improve scalability and maintainability. By consistently applying these patterns across 400 modules, CAS demonstrates good engineering discipline and makes its complex architecture ...

Voyager 1 runs on 69 KB of memory and an 8-track tape recorder

https://techfixated.com/wp-content/uploads/2025/04/0913-VOYAGER-1-sized-860x573.jpg
Voyager 1, a 48-year-old spacecraft, is still functioning and transmitting data from interstellar space despite having only 69 kilobytes of memory and an 8-track tape recorder. It has made numerous discoveries and is now the most distant human-made object in the universe, carrying a golden record with sounds of Earth for potential extraterrestrial life.

I am definitely missing the pre-AI writing era

The user's writing skills have deteriorated due to over-reliance on AI tools for grammar and vocabulary checks, causing them to lose their unique voice and creative expression. They are seeking advice on how to regain their writing skills and focus on their own voice, rather than relying on AI assistance.

Copilot edited an ad into my PR

https://notes.zachmanson.com/media/copilot-hell.png
A team member used Copilot to edit a PR description, adding ads for itself and Raycast. This is seen as an abuse of the platform's features for self-promotion.

VHDL's Crown Jewel

https://www.sigasi.com/img/logo-circle-semicolon.svg
VHDL's delta cycle algorithm preserves determinism in a concurrent language by separating signal value updates and process evaluations into distinct phases. In contrast, Verilog's nonblocking assignments do not solve the problem of non-determinism in general, although they can provide determinism in synchronous designs.

15 Years of Forking

https://www.waterfox.com/images/logos/2011-14.png
The creator of Waterfox, a 64-bit Firefox build, shares its 15-year history, from 50,000 downloads to 1M monthly active users. Despite financial struggles, the browser remains independent and committed to user privacy.

Ninja is a small build system with a focus on speed

https://opengraph.githubassets.com/c2c61fd09dc5fb3e9eb1cc4980ddcc25a2ab42c0821ad972daf99a77aea1c6ba/ninja-build/ninja
Ninja binaries are available on GitHub for Linux, Mac, and Windows. To use Ninja, run ./ninja -h for help or copy misc/ files for features like Bash completion.

C++26 is done: ISO C++ standards meeting Trip Report

https://herbsutter.com/wp-content/uploads/2026/03/wg21-2026-std.png
The ISO C++ committee completed technical work on C++26 in London, resolving international comments and producing a final document for approval. C++26 features include reflection, improved memory safety, and language contracts.

Douglas Lenat's Automated Mathematician Source Code

https://opengraph.githubassets.com/814226ecc2e81d4ea31c63b5471086e5ace0b856242775d29099ceb1ebf3e7ac/white-flame/am
Files extracted from SAILDART archive include LT, TA, TB, TOP6, and CON6, with documentation and logs to be committed. The software is in the public domain, funded by the USA government through ARPA.

My MacBook keyboard is broken and it's insanely expensive to fix

Laptop keyboard became too sensitive and unusable after cleaning. I remapped arrow keys using Karabiner Elements to avoid expensive repair.

Hardware Image Compression

https://www.ludicon.com/castano/blog/wp-content/uploads/2026/03/afrc-card-800x420.jpg
Real-time texture compression is exciting because it allows new hardware formats to be adopted without waiting for content to be created targeting them, and it's a lot easier to introduce new hardware formats. Native hardware compression is a compelling alternative to real-time compression, but it's currently limited to modern high-end devices and has varying quality across vendors.

Philly courts will ban all smart eyeglasses starting next week

https://www.inquirer.com/resizer/v2/ZYTTGRGRHQAYUQC74BRYSUUWLM.jpg?auth=e58a0422a5f8055223ad67bce9ff075ea716c81c4b24db6498dc3945780b7930&width=760&height=507&smart=true
Philadelphia courts ban smart eyewear with recording capabilities due to potential witness and juror intimidation. Those caught attempting to bring smart eyewear into courtrooms may be barred entry or arrested for criminal contempt.

The First Video Game Was Just a Box in the Corner of a Bar

https://s26162.pcdn.co/wp-content/uploads/2026/02/pong.jpg
Pong, a simple video game, was invented in 1972 by Nolan Bushnell and Allan Alcorn, and it became a huge success, launching the video game industry. The game's simplicity and market awareness made it ubiquitous, winning broad social acceptance and paving the way for Atari's success.

Pretext: TypeScript library for multiline text measurement and layout

https://opengraph.githubassets.com/4b5b79060fa496a48a0935ad5c608599cf62425e161655d66304682b48dda5eb/chenglou/pretext
Pretext is a JavaScript library for multiline text measurement and layout, supporting various languages and rendering to DOM, Canvas, and SVG. It provides APIs for text analysis, measurement, and layout, allowing for efficient and accurate text rendering with features like shrink wrapping and manual line layouts.