Raspberry Pi Drag Race: Pi 1 to Pi 5 – Performance Comparison

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The Raspberry Pi has undergone significant improvements over 13 years, with each generation offering better performance, power consumption, and features. The latest Pi 5 boasts a 2.4GHz quad-core processor, improved power circuit, and PCIe port.

Doing gigabit Ethernet over my British phone wires

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The author, a UK resident, used powerline adapters for internet but switched to a new device that uses phone wires for a gigabit Ethernet connection. The device, Gigacopper G4201TM, works well but requires careful ordering and tracking due to Brexit regulations.

How I Became a Quant (2007) [pdf]

This book is about Wall Street quants, their roles, and contributions. It provides stories and insights into the world of quantitative finance.

Claude Code's new hidden feature: Swarms

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Maze Algorithms (2017)

The book "Mazes for Programmers" combines Aldous-Broder and Wilson's maze algorithms for best performance. It switches between the two for faster results, but does not guarantee uniformity.

Get-Shit-Done

https://camo.githubusercontent.com/72affc23c3947efd63ebca61203c3fefd828a84db50e08b75c59f52b17191bbc/68747470733a2f2f6170692e737461722d686973746f72792e636f6d2f7376673f7265706f733d676c6974746572636f77626f792f6765742d736869742d646f6e6526747970653d44617465
A light-weight and powerful meta-prompting, context engineering and spec-driven development system for Claude Code and OpenCode. Solves context rot — the quality degradation that happens as Claude fills its context window. "If you know clearly what you want, this WILL build it for you. No bs." "I've done SpecKit, OpenSpec and Taskmaster — this has produced the best results for ...

Tao Te Ching – Translated by Ursula K. Le Guin

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December in Servo: multiple windows, proxy support, better caching, and more

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Servo 0.0.4 supports multiple windows and several web platform features. It also includes improvements for HTTP proxies, root certificates, and memory usage tracking.

MS confirms it will give the FBI your Windows PC data encryption key if asked

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Microsoft will provide the FBI access to BitLocker encryption keys if a valid legal order is requested. This allows law enforcement to break into devices and access data, raising concerns about customer privacy.

Ask HN: Gmail spam filtering suddenly marking everything as spam?

Google's spam filtering is malfunctioning, marking legitimate emails as suspicious. This issue is affecting many users, who are experiencing a surge in spam messages in their inboxes.

Metriport (YC S22) is hiring a security eng to harden healthcare data infra

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Metriport is an open-source data intelligence platform seeking a security engineer to drive full-stack security projects and evangelize security across the team. The ideal candidate has 6+ years of security engineering experience, HIPAA compliance knowledge, and proficiency in cloud security and networking on AWS.

How I Estimate Work as a Staff Software Engineer

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Software engineers cannot accurately estimate projects due to unknown work dominating the process. Estimates are actually tools for non-engineers to decide which projects get funded or cancelled.

C++26 Reflection loves QRangeModel

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The user participated in a Qt Hackathon to explore C++26 features, specifically reflections and annotations, to work with QRangeModel and Qt Quick's item views. They successfully implemented a QRangeModel to represent a range of plain C++ classes as a model that Qt Quick's item views can work with.

Internet Archive's Storage

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The Internet Archive's PetaBox storage system has evolved over time to achieve high storage density and efficiency, utilizing larger drives and innovative cooling methods to reduce costs. Despite its limited budget, the Archive achieves orders of magnitude better storage cost efficiency than commercial cloud rates, but comparisons to cloud storage services are flawed due to differences in ...

When employees feel slighted, they work less

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Researchers at Penn's Polyhedral Structures Laboratory design efficient structures using graphic statics, reducing material use. Their work, part of Penn's 2025 research portfolio, applies to various fields and disciplines.

Many Small Queries Are Efficient in SQLite

The input is a series of SQL queries executed on a SQLite database, primarily retrieving configuration values and performing various queries on tables such as timeline, tagxref, plink, and private. The queries appear to be related to a Fossil repository, with many of them retrieving information about tickets, tags, and links.

Unrolling the Codex agent loop

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Codex CLI is a software agent that uses an LLM to generate responses to user input, with an agent loop that iterates between model inference and tool calls. The agent loop manages context window and uses prompt caching to optimize performance, with compaction enabled to avoid running out of context window.

I Like GitLab

The user has been using GitLab for private projects due to its free private repositories and seamless integration with their existing workflow, including CI pipelines and Docker images. They prefer to keep their private projects on GitLab and public projects on GitHub, finding that each platform serves a different purpose in their workflow.

Are we all plagiarists now?

A plagiarist sent fake chapters of Jane Austen's "Pride and Prejudice" to 18 editors in 2007, with only one editor detecting the hoax. The incident highlights the ease of plagiarism in modern times.

JVIC: New web-based Commodore VIC 20 emulator

Play VIC 20 games directly in your browser, with JVic the web-based VIC 20 emulator built with libGDX.

Proof of Corn

https://proofofcorn.com/opengraph-image?bb66da7f29f8a651
seth responds to @fredwilson, saying AI can't directly affect the physical world, but it can orchestrate systems and people to achieve tasks, like a farm manager. Claude Code is an AI that aggregates data, makes decisions, and coordinates human operators to grow real corn.

6 Years Building Video Players. 9B Requests. Starting Over

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The author built Vime, a video player library, and later Vidstack, a more advanced player with a modular architecture.

“Let people help” – Advice that made a big difference to a grieving widow

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Connie Sherburne's husband died in a plane crash in 2020, leaving her to handle his affairs. An insurance agent's advice to "let them help" inspired Sherburne to accept support from friends and neighbors.

80386 Multiplication and Division

The Intel 80386 processor, released in 1985, marked a significant milestone in personal computing with its 32-bit architecture and improved performance. Its multiplication and division algorithms, based on the "add-and-shift" and non-restoring division methods, were state-of-the-art at the time but have since been surpassed by modern CPUs.

US Vaccine Panel Chair Says Polio and Other Shots Should Be Optional

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Extracting verified C++ from the Rocq theorem prover at Bloomberg

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A new extraction system from Rocq to modern, memory-safe, performant C++.

Gas Town's agent patterns, design bottlenecks, and vibecoding at scale

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Steve Yegge's Gas Town is a chaotic, vibecoded agent orchestrator that sparks debate on the future of software development. Despite its inefficiencies, it reveals useful patterns for future agentic systems and highlights the need for better design and agent orchestration.

Show HN: Coi – A language that compiles to WASM, beats React/Vue

You created Coi, a component-based language for building web games and apps, which uses a Shared Memory architecture and static analysis for efficient reactivity and minimal DOM overhead. Coi's performance and syntax are improved over traditional frameworks like React and Vue, and it can be easily extended with new browser APIs.

Some C habits I employ for the modern day

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The user has developed their own C coding style, influenced by other languages like Rust and C#, which emphasizes strict type checking, explicit memory management, and error handling through result types and parsing. They use C23 features like tagged types and explicit standardization to create robust APIs and prefer to reimplement standard library functions when possible to achieve better ...

Banned C++ features in Chromium

Chromium's C++ style guide bans certain language and library features due to various reasons such as incomplete toolchain support, security concerns, or overlap with existing Chromium code. The guide requires proposing changes to the status of a feature by sending an email to [email protected].