Handwiring a ScottoFrog Wireless Keyboard(opens in new tab)
Reader
Latest posts from blogs I follow
2996
entries
60
pages
Using Genius AI Models for Important Things: Cheating at NetHack(opens in new tab)
How I used GPT-5.6 Daybreak Blue to find an on-demand NetHack 5.0 crash, duplicate items, farm krakens, and get the high score on NAO.
12 Things You Should (and Shouldn't) Do in AWS(opens in new tab)
Your site is down. It's 3am. Is it a bug, a bill, or a breach? You can't tell yet, and everyone is watching you find out. Matt Lea has spent fifteen years being the person companies call when an outage ...
Introducing Microlighter(opens in new tab)
I made a smol client-side syntax highlighter that uses the CSS Custom Highlights API called MicroLighter. I’ll talk about why I made it in a bit but first I wanted to… ahem… highlight… some of the features. Zero-dependencies ~2kb minifed+gzipped ...
CSS Navigation Matching, Early Days(opens in new tab)
Apply a style when someone navigates from one specific page to another. The idea being it'd make the sources for cross-document view transitions declarative in CSS rather than managing that stuff in JavaScript. CSS Navigation Matching, Early Days originally handwritten ...
Proof of life out there(opens in new tab)
The great silence: why haven’t we found any aliens yet? is a great read. We have precisely zero evidence of advanced life in the universe beyond Earth. At the same time, there is growing evidence that simple life forms are ...
Web-Perf Wednesday 005 – RUM Needs More Than a Percentile(opens in new tab)
LUX Sidecar adds context to RUM, while browser-tool fixes show why measurement conditions and small debugging details matter.
WordPress.com Student Plan(opens in new tab)
As someone who teaches beginning web development, I find that building a WordPress site makes for a great final project. Hosting those projects has always been a roadblock though. WordPress.com Student Plan originally handwritten and published with love on CSS-Tricks. ...
Mojo: the new programming language for AI(opens in new tab)
I'm Worried About a Prompt Injection Worm(opens in new tab)
A honeycomb of small cells, one person at a screen in each, a purple filament threading cell to cell and turning each one cold while bundles are drawn out the bottom/images/prompt-injection-worm.webp/images/prompt-injection-worm.webp I think one form the first big AI hack ...
What Is Reasoning(opens in new tab)
A few weeks ago a paper was shared that showed how to extract reasoning traces from closed-weight models. Together with online discussions about tricking models into leaking them, it made me investigate it more out of curiosity. Twitter seems full ...
linecast(opens in new tab)
Beautiful maps, weather, radar, tides, moon and sun position in your terminal.
#492: Codeberg Puts Head in Sand(opens in new tab)
Topics covered in this episode: Python 3.12.14, 3.11.16, 3.10.21 - security releases Codeberg’s AI-code ban tests its role as a GitHub alternative Brett Cannon: what's missing for reproducible builds on PyPI nothing records the source code a distribution came from. ...
I Removed SSH From My Entire Kubernetes Homelab (I'll Never Go Back)(opens in new tab)
Unconventional Thought Is the Differentiator(opens in new tab)
A huge purple printing press churns out stacks of identical sheets while a bearded man in an orange work shirt sits beside it carving a strange lopsided form from a raw wood block/images/unconventional-thought-differentiator.webp/images/unconventional-thought-differentiator.webp I think one of the...
Introducing LUX Sidecar: Your SpeedCurve Companion(opens in new tab)
LUX Sidecar is a small SpeedCurve RUM plugin that adds browser and navigation context to your real-user performance data.
The Local LLM Glossary: Every Term, Flag, and Number in Plain English(opens in new tab)
Plain-English definitions for every term you hit in local LLM posts: prefill and decode, tokens per second, FP8 and NVFP4, Q4_K_M, KV cache, YaRN, Gated DeltaNet, speculative decoding, and every vLLM, llama.cpp, and Ollama flag worth knowing.
7.5x faster encryption in Go with the new "simd" and "simd/archsimd" packages(opens in new tab)
I needed to implement my ChaCha20-BLAKE3 encryption algorithm in Go, but unfortunately ChaCha20 from Go's stdlib is lacking SIMD acceleration on amd64, probably because ChaCha20-Poly1305 (used in TLS) already has
Building a Plugin System for Rust: WebAssembly vs Native vs Scripting Language vs Rules Engine(opens in new tab)
Now that software is ru(i)nning the world, there are very few things that are more frustrating and productivity-killing than being limited by a piece of software, either because the maker
August 2026(opens in new tab)
How to Get Started in Cybersecurity 2026(opens in new tab)
A person vaulting on a machine lever toward a glowing keyhole/images/how-to-get-started-in-cybersecurity-2026.webp/images/how-to-get-started-in-cybersecurity-2026.webp I've been writing versions of this guide since 2008. The most recent big one was the 2019 update/blog/build-successful-infosec-car...
When Safari’s ‘Ignore Cache’ Ignored Cache-Control(opens in new tab)
Safari Technology Preview 250 fixed a subtle Web Inspector bug that overwrote page-authored Cache-Control request headers when the resource cache was disabled.
How AI Builders Will Get Hacked(opens in new tab)
How AI Builders Will Get Hacked/images/how-ai-builders-get-hacked.webp/images/how-ai-builders-get-hacked.webp If you are building stuff with AI I have a critical security recommendation for you. Create a continuously-running security testing system that: 1. Maintains a list of all the public stu...
Shadow-piercing local component variables(opens in new tab)
Edit (2026.08.24): Got feedback from the Web Components Community Group that I was mixing up inheritance, specificity, and the cascade and that * might be a better selector than :defined. I agree with both of those perspectives and I’ve updated ...
Dark mode toggles: two states are enough(opens in new tab)
Lea's pushing back on light/dark mode implementations that display three state options for visitors: light, dark, and system. Dark mode toggles: two states are enough originally handwritten and published with love on CSS-Tricks. You should really get the newsletter as ...
Running Qwen3.8-27B on DGX Spark(opens in new tab)
Qwen3.8-27B on DGX Spark with llama.cpp, Ollama, vLLM, and SGLang: the recipes, the tokens per second I measured, MTP speculative decoding, and the sharp edges I hit along the way.
The secret to longevity(opens in new tab)
It turns out that the real secret to longevity is to live in an area with poor record keeping. Something is very wrong with modern longevity is a nice New Yorker piece questioning the whole “Blue Zone” idea.
Fix Execution, Not the SOP(opens in new tab)
A flood of documents pours into a funnel that drips onto a tiny model a man is polishing, while real unbuilt work waits through an open door/images/fix-execution-not-the-sop.webp/images/fix-execution-not-the-sop.webp AI is multiplying the problem of us having far too many inputs. I'm ...
I Ran an AI SRE Copilot on My Own Hardware. Here Is What It Actually Does.(opens in new tab)
Running NudgeBee v1.4.0 end to end - a self-hosted AIOps platform behind AI-SRE, AI-FinOps, AI-K8sOps, and agentic automation - on a Mac, a kiac cluster, and a DGX Spark.
Stolen Authority(opens in new tab)
Stolen Authority/images/stolen-authority.webp/images/stolen-authority.webp We need to label this parasitic marketing technique with an adequately strong term. Stolen Authority. From stolen Valorhttps://en.wikipedia.org/wiki/Stolen_valor It's the deplorable tactic of doing an intro into a famous...
What's missing to have reproducible builds on PyPI(opens in new tab)
While writing the section of my 2026 Python Packaging Council (PPC) nomination on secure supply chain, I realized that one thing related to having a secure supply chain that we lack is a defined way to perform reproducible builds. The ...
Some things I’ve been enjoying: August 2026(opens in new tab)
I Played ARC-AGI-3 With My Own Method(opens in new tab)
I Played ARC-AGI-3 With My Own Method/images/i-played-arc-agi-3.webp/images/i-played-arc-agi-3.webp Kai here. Daniel asked me to write this one up myself, since I ran it. He sent me a repo called arc-codehttps://github.com/jerber/arc-code that got 96.2% on ARC-AGI-3's public games using plain Cla...
How Easy It Would Be to Hack You(opens in new tab)
A person whispers into a phone and a giant purple machine hand reaches out from it toward a small figure standing beside a house and laptop./images/how-easy-to-hack-you.webp/images/how-easy-to-hack-you.webp Have you ever thought about how easy it would be to hack you? To ...
Another Crazy Experience with AI(opens in new tab)
Another Crazy Experience with AI/images/ai-fixed-my-mac.webp/images/ai-fixed-my-mac.webp Just had another crazy experience with AI last week. One of the types that reminds me that we're living in different times. I have been suffering for months with some pretty serious macOS performance issues. ...
There Is Only One Technology(opens in new tab)
There Is Only One Technology/images/only-one-technology.webp/images/only-one-technology.webp Had a thought about technology yesterday: The moment we used plant twine to attach a chipped stone to a stick, AI became inevitable. There is only one "technology". There's randomness in which branches ...
The Different Games OpenAI and Anthropic Are Playing(opens in new tab)
The Different Games OpenAI and Anthropic Are Playing/images/openai-anthropic-approaches.webp/images/openai-anthropic-approaches.webp URL once the cut is published --> So one thing I find really interesting right now is the difference in how it seems OpenAI and Anthropic are approaching the market...
What’s !important #17: Custom Highlight API, CSS Navigation Matching, Fixing text-stroke, and More(opens in new tab)
Plus, how to style skeleton UIs, how to enable diagonal scrolling, how images can overflow themselves, and yet, still more. Basically, how to do a lot of really cool (CSS) stuff. What’s !important #17: Custom Highlight API, CSS Navigation Matching, ...
Self-Host Weekly (14 August 2026) (opens in new tab)
Death and SSO taxes
Another partial SSI trick with canonicalize(opens in new tab)
See the previous post for context and explanation of SSI. After reading Chris Fallin’s aegraph post, new ZJIT contributor dak2 landed a block-local version of the canonicalize function in #16828. The pseudocode of the block-local canonicalize function looks like this: ...
Ilya Explains How LLMs Create a World Model(opens in new tab)
A charcoal sketch of a warm village of houses, boats, and people casting a dark flat shadow, beneath which a purple crystal lattice rebuilds the same village in miniature./images/ilya-explains-how-llms-create-a-world-model.webp/images/ilya-explains-how-llms-create-a-world-model.webp https://youtu....
Blocked aria-hidden: The Warning is Right, and Every Fix You’ve Found is Wrong(opens in new tab)
The warning is correct. And the recommended fixes you've probably seen are wrong. Here's what you can do instead to properly fix the issue. Blocked aria-hidden: The Warning is Right, and Every Fix You’ve Found is Wrong originally handwritten and ...
Web-Perf Wednesday 004 – A Quiet Week Is Time to Investigate(opens in new tab)
A quiet week in web performance is a useful chance to investigate the evidence and problems teams already have.
Building scalable backend services with Rust and PostgreSQL(opens in new tab)
While Rust is not as productive as Go and its legendary standard library to write backend service, Rust's rich type system, compiler-enforced correctness and zero-cost abstraction make it a great
#491: Feeling Judged(opens in new tab)
Topics covered in this episode: Claude Code /insights Post-quantum crypto lands in Python MCP goes stateless — and FastMCP gets renamed inshellisense - IDE style command line auto complete Extras Joke See the full show notes for this episode on ...
My Daily Routine as a Software Engineer and Dad of a 1-Year-Old(opens in new tab)
I'm finally feeling back up to speed at work after returning from my parental leave. In this post I want to share what my daily routine looks like as a software engineer with a 1-year-old. My Daily R...
amdtop(opens in new tab)
A TUI system monitor specialized for AMD GPUs.
Write for people(opens in new tab)
Something I’ve noticed recently is that I am no longer able to read and parse PR titles and descriptions across the internet. I don’t think I stopped being able to read or understand code, but now that we are automatically ...
