Open-source Zig book

https://www.zigbook.net/og-zigbook.webp
Zigbook is a comprehensive, open-source guide to the Zig programming language, packed with hands-on chapters, projects, and real-world examples.

Britney Spears' Guide to Semiconductor Physics

https://britneyspears.ac/images/bs2.jpg
The website is for physics students with sections on various topics and interactive Flash demonstrations. It's seeking collaborators to expand its interactive components.

Browser fingerprinting via favicon

https://camo.githubusercontent.com/272799d3dd981f0335a930bb7fdd97a41e4fc62c9187d81554e75eaf36a1454b/687474703a2f2f7375706572636f6f6b69652e6d652f66617669636f6e2e69636f
A supercookie uses favicons to assign a unique ID to website visitors, persisting even in incognito mode and through cache clearing. This ID can be used to track users across websites, affecting top browsers including Chrome, Firefox, and Safari.

Heretic: Automatic censorship removal for language models

https://private-user-images.githubusercontent.com/2702526/514848515-d71a5efa-d6be-4705-a817-63332afb2d15.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.SWAUdHTG6HgO3WMuUwjqfMwmvqUgPgiRpzAf6N51-F0
Heretic is a tool that removes censorship from transformer-based language models without post-training. It works automatically and produces high-quality decensored models.

What if you don't need MCP at all?

https://mariozechner.at/posts/2025-11-02-what-if-you-dont-need-mcp/media/header.png
The author prefers using Bash tools over MCP servers for specific tasks due to their simplicity and compositability. They create custom tools using Node.js scripts that can be easily extended and composed.

Dark Pattern Games

https://cdn.darkpattern.games/img/social.jpg
A website called DarkPattern.Games reviews games that use psychological tricks to manipulate players into addiction, focusing on iOS and Android games. The site needs user reviews to help identify and expose dark patterns in games.

How Your Brain Creates 'Aha' Moments and Why They Stick

https://www.quantamagazine.org/wp-content/uploads/2025/11/Aha-Moment-cr-Irene-Perez-Lede.webp
Researchers found that insight experiences are linked to increased activity in the ventral occipitotemporal cortex, amygdala, and hippocampus. This neural signature is associated with stronger memories and more accurate solutions.

PicoIDE – An open IDE/ATAPI drive emulator

https://picoide.com/picoide_evt2_angle.jpg
PicoIDE currently emulates one drive but plans to support two devices in future updates. It has a 3.5" enclosure launch and may offer other form factors later.

The Pragmatic Programmer: 20th Anniversary Edition (2023)

https://www.ahalbert.com/assets/tpp20.jpg
The Pragmatic Programmer book provides valuable advice for software engineers, covering topics such as responsibility, communication, and debugging. The book emphasizes the importance of flexibility, reversibility, and decoupling in code, and offers practical tips for implementing these principles.

A File Format Uncracked for 20 Years

https://landaire.net/processed_images/banner.c9874fccf7528554.png
The user is trying to reverse engineer the file format of the original Xbox game Splinter Cell, specifically the common.lin file which contains 54 Unreal Engine Package files, and is attempting to dump individual files from this filesystem to look for cut content. After a week of static recompilation and analysis, the user decided to inject code into the game using XboxImageExploder and ...

Z3 API in Python: From Sudoku to N-Queens in Under 20 Lines

https://ericpony.github.io/z3py-tutorial/examples/sudoku.png
Z3 is a high-performance theorem prover developed at microsoft research. it uses the same operator precedence of the python language, so no python background is needed if you want to learn how to use the tool offline. the following example shows how traverse the constraints asserted into the solver, and collect performance statistics for the check method. z3py also provides functions for ...

Goldman Sachs asks in biotech Report: Is curing patients a sustainable business?

https://image.cnbcfm.com/api/v1/image/105119335-2ED1-PL-MegT-040918.jpg?v=1529477963&w=750&h=422&vtcrop=y
Goldman Sachs analysts question if curing patients is a sustainable business model for biotech companies due to potential loss of recurring revenue. They suggest solutions such as targeting large markets, disorders with high incidence, and constant innovation to offset declining revenue.

I finally understand Cloudflare Zero Trust tunnels

https://david.coffee/cloudflare-zero-trust-tunnels/banner.jpeg
The user learned Cloudflare Zero Trust + Warp to overcome Tailscale limitations and now uses it for various purposes including connecting private networks, exposing private services to the public, and creating fully private networks.

Why your mock breaks later

Mocking the built-in open function can cause issues with other libraries like coverage.py. To avoid this, patch the open function where it's used, not where it's defined, or use autospec=True and verified fakes for better mocking practices.

FPGA Based IBM-PC-XT

https://bit-hack.net/wp-content/uploads/2025/11/img_5334.jpg?w=1024
The user recreated an IBM XT Personal Computer from the 1980s using a mix of authentic parts and modern technology, with a goal to play the EGA version of Monkey Island 1 on it. They designed and implemented the hardware and software components, including a low-power NEC V20 CPU, SRAM chip, FPGA board, and peripherals, and successfully achieved mouse support, hard drive with write access, and ...

The fate of "small" open source

https://nolanlawson.com/wp-content/uploads/2023/01/profile_17.jpg?w=300
The author of blob-util, a popular npm package, notes that AI-generated code may replace small utility libraries like theirs. The author believes that AI prioritizes instant answers over teaching and understanding, potentially reducing the need for educational open source projects.

I have recordings proving Coinbase knew about breach months before disclosure

https://jonathanclark.com/images/coinbase-breach/hero-timeline.png
A Coinbase customer reported a sophisticated phishing attack in January 2025, but the company failed to investigate and respond to their questions about data compromise. The customer later discovered that Coinbase had been breached in late 2024, with attackers bribing contractors to steal sensitive customer data, affecting less than 1% of the customer base.

Fourier Transforms

https://www.continuummechanics.org/images/fourier/cartoon_fourier_cat.jpg
The author discusses the misuse and misinterpretation of Fourier transforms in various fields, particularly in acoustics and vibrations. They argue that an FFT is simply a curve-fit of sine and cosine functions to given data, and that results should be scrutinized for accuracy.

Shell Grotto, Margate

https://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Shell-grotto-margate.jpg/250px-Shell-grotto-margate.jpg
The Shell Grotto is an underground shell grotto in Margate, England, with 4.6 million shells covering 2,000 sq ft of its walls and roof. Its age and purpose are unknown, with various speculations and hypotheses over the years.

Linux mode setting, from the comfort of OCaml

https://roscidus.com/blog/images/thomasleonard.jpg
The user created a libdrm-ocaml library to interactively explore the Linux Kernel Mode Setting (KMS) API using OCaml, allowing for easier learning and debugging of display management. The library provides a simple way to configure display settings, render images, and animate graphics directly on the Linux VT, making it easier to understand and work with the KMS API.

Brimstone: ES2025 JavaScript engine written in Rust

https://opengraph.githubassets.com/a8ecbd59ccf49bc8c84dd4b604086c3c8de33392f5a72fd59107a7078580e114/Hans-Halverson/brimstone
Brimstone is a work-in-progress JavaScript engine written in Rust, implementing the ECMAScript specification with heavy inspiration from V8 and LibJS. It supports almost all JavaScript language features, but is not yet ready for production use.

Decoding Leibniz Notation (2024)

The Leibniz notation for derivatives is a historical interpretation where dxdxdx represents an infinitesimally small quantity, not a value. It's used to denote the derivative of a function f(x) as df(x)dx.

Lithium vs. Lettuce

https://cdn.sanity.io/images/h6kk644c/production/113e70cab43634bf6168c4249721a1c4c40fa35f-2000x1334.jpg?w=3840&q=75&fit=clip&auto=format
Imperial Valley in California is a major US winter produce supplier, but its agricultural industry faces challenges due to rising costs and labor issues. A new lithium mining industry is emerging in the area, which could bring economic benefits but also environmental concerns and changes to the local way of life.

Show HN: Spam classifier in Go using Naive Bayes

https://opengraph.githubassets.com/c9a18073dbcc5284b7e8ca682596f20751a753fd68f7289ae2a7b7ff5b96bdbf/igomez10/nspammer
A Go implementation of a Naive Bayes spam classifier uses Laplace smoothing to classify messages as spam or not spam. It trains on a dataset of text messages and their corresponding spam status to classify new input text.

Garbage collection is useful

https://dubroy.com/blog/images/prosemirror-gc.png
User worked on garbage collection in J9 Java VM and applied knowledge to solve a problem with Ohm and ProseMirror. They used reference counting to efficiently find dead nodes in a document after an edit.

Anthropic’s paper smells like bullshit

The website is temporarily blocked due to security reasons after a suspicious action was detected. Please email the site owner with the Cloudflare Ray ID and details of the action that triggered the block.

Waiting for SQL:202y: Group by All

The SQL standard is adding a GROUP BY ALL feature to simplify grouping in SQL queries. This feature automatically groups by non-aggregate columns in the select list.

De Bruijn Numerals

The user discusses a novel encoding of natural numbers in lambda calculus called de Bruijn numerals, which are defined as nested de Bruijn indices and have elegant properties for arithmetic operations. Despite limitations, the user explores various arithmetic operations such as successor, predecessor, addition, and multiplication, and also discusses the conversion of Church numerals to de ...

Measuring the doppler shift of WWVB during a flight

https://greatscottgadgets.com/images/praline-lf-response.png
The author built an active loopstick antenna called Teewee to receive WWVB, a stable frequency reference broadcast at 60 kHz from Colorado, USA. Teewee uses HackRF Pro's built-in bias tee for power and can detect WWVB from over a thousand miles away with good signal-to-noise ratio.

The Man Who Keeps Predicting the Web's Death

https://proxy.tedium.co/nnQmAYFZPAYH08p9tWawHUEeQME=/820x1023/filters:quality(80)/uploads/img-5.jpeg
George Colony, Forrester Research founder, has repeatedly declared the Web dead or dying since 1995, but his predictions have been proven wrong. His commentary has been mocked and outdated, with the Web evolving to meet his proposed improvements.