When root meets immutable: OpenBSD chflags vs. log tampering
Rafael Sadowski
The latest blog posts to take off on Hacker News. 49,198 posts.
Rafael Sadowski
This article is archived on mirror.xyz , and attracted discussion on Hacker News Generated by this notebooklm Gene Spafford "Using encryption on the…
Frivilous dependencies are the enemy of maintainability.
A short story of me trying out different USB-C hubs, taking them apart, and slowly descending into madness.
One of my favorite AI dev products today is Full Line Code Completion in PyCharm (bundled with the IDE since late 2023). It’s extremely well-thought out,...
Hatching... Cursor Shenanigans Cursor, my beloved, started rate limiting shenanigans a few days back. For a good 2 weeks after June 16, 2025, we had almo...
what can language model embeddings tell us about whales speech, and decoding ancient texts? (on The Platonic Representation Hypothesis and the idea of *universality* in AI models)
Can optical illusions take you outside the human color gamut?
My block list and some fun search lenses. Don't @ me that damn article about the guy whinging about Kagi.
Karl Seguin's Blog - A mix of coding and creative writing
Great mentors help, but purposeful tinkering and grit tend to forge the strongest software engineers.
TLDR: my bank sent out emails with websites which looked a lot like phishing mails, so much so that this similarity could potentially be used against them legally by potential phishing victims Discussion at hackernews: https://news.ycombinator.com/item?id=44592377 Chapter 1: You’ve got mail As I was writing my first…
Historically I have worked on many projects related to high-performance Protobuf, be that on the C++ runtime, on the Rust runtime, or on integrating UPB , the fastest Protobuf runtime, written by my colleague Josh Haberman . I generally don’t post directly about my current job, but my most recent toy-turned-product is…
A practical guide to implementing the boiling line animation effect using SVG filter primitives and JavaScript - Blog post by Camillo Visini
In the early 2000s the Xbox was released. We are nearing the 20 year anniversary so its time to dive into the A20 "hack".
Recently, I wrote an article about my journey in learning about robots.txt and its implications on the data rights in regards to what I write in my blog. I was confident that I wanted to ban all the crawlers from my website. Turned out there was an unintended consequence that I did not account for. My LinkedIn posts…
Computers are starting to have opinions on how our APIs should look like
Discussion of dabbling in samplers of ‘avant-garde’ perfumes and other perfumes; what I liked and did not like, and what 2 perfumes I ultimately bought for myself (Acqua di Sale and Kyoto Incense).
How to lovingly handcraft your own git repositories
With the rise of LLM systems (or “AI” as they are annoying called), the term “vibe coding” is all the rage recently. So I wondered, how does vibe coding work with BASIC?
I’ve started writing more Python code lately (because of… AI, you know). In this post, I share the tools, libraries, configs, and other integrations I use for building production-grade Python applications following a frontend-backend architecture.
Proposal & discussion of how default mode networks for LLMs are an example of missing capabilities for search and novelty in contemporary AI systems.
Hammurabi’s code doesn’t tell the whole story
Back in high school, I remember receiving an email for a study guide from a friend. Instead of the PDF coming attached, it was a link to a site called Dropbox.
Update with OpenAI response added What happened? On 29 May 2025 I privately reported a vulnerability to the OpenAI disclosure mailbox using an encrypted email. The flaw allows peeking at chat responses intended for other users. This content may contain personal data, confidential business plans, …
ymichael's personal site
The Nuberodesign Blog
A tale about mixing GABAergics, neuroticism, responsibility and Heidegger
This is a brief write-up of a trick I learned that helps me write code faster and more accurately. I say "trick", but it's really something I started to do without noticing as I moved further into my career. When you're working on something difficult, sketch a
I wanted to share my reflections because there's a lot of smoke and noise around what OpenAI is doing, but not a lot of first-hand accounts of what the culture of working there actually feels like .