The latest blog posts to take off on Hacker News. 4,109 posts.
On July 22, 2025, the European police agency Europol said a long-running investigation led by the French Police resulted in the arrest of a 38-year-old administrator of XSS, a Russian-language cybercrime forum with more than 50,000 members. The action has triggered an ongoing frenzy of speculation and panic among XSS…
Look, I'm an idiot. I know that, you know that, and the man on the moon knows that. Let's not get into why I'm an idiot; let's just accept that I have my peculiarities and you have yours. My idiocy is a quest to make sure all my portable electronics can recharge using USB-C. Modern smartwatches are tiny and they do a…
Don't "let it crash". Let it heal.
One of the signal achievements of computing is data compression 1 : we take in data, make it smaller while retaining all information (“lossless” compression), transmit it, and then decompress it back to the original at the other end.
My first big job in the industry had me as one of two people in Warsaw, with the rest of the team in Oslo. I’ve never seen any of my Norwegian co-workers at that point, but one the first pieces of direct feedback I got from my manager was: “the teammembers like you; they feel like you’re part of the team.”
Last year, 2024, we replaced four PTACs with a mini-split AC. I’ve been asked about it often enough (by neighbors, coworkers, friends) that I decided to write up the experience. Hopefully it&…
I’ve been using Tailscale for around four years to connect my disparate devices, servers and apps together. I wanted to talk a bit about how I use it, some cool features you might not know about, and some stumbling blocks I encountered.
How I helped Claude AI extend its capabilities only for the same AI to reject my job application.
Plus how American professors are fighting back against the AI onslaught, a backlash over AI models in Vogue, and more.
A colleague spotted base64-encoded JSON in a long string of gibberish without any tools. I was amazed, until he explained how anyone can do it.
Matyáš Racek's blog
A deep dive into ongoing efforts adapting language models for diffusion-based ARC solving.
Curing Your AI 10x Engineer Imposter Syndrome
There’s something icky about LLM-generated text when you think it’s written by a human. I think I finally put my finger on one reason why I feel this way.
A no-BS guide for new startups, new products, new GTM approaches, and new features
This is an experiment examining how to create a 3D line drawing of a scene. In this post, I will describe how this can be done by augmenting the process of generating 3D Gaussian Splats 3D Gaussian Splatting for Real-Time Radiance Field Rendering , by Kerbl et al. and leveraging a process to transform photographs into…
After years on a VPS, I'm moving my self-hosted services home and using the opportunity to migrate to a more flexible and robust setup.
Discover how content-aware memory models, understanding flashcard semantics, will simplify the creation of future spaced repetition systems.
You reset your passkey the same way you reset your password. But you’ll find that passkeys make it harder to switch between password…
Linguistics illuminates the linguistically obscure – or so I’ve always thought. It’s a common theme of my online output that a little bit of historical linguistics goes a long way, maki…
I have been exploring some new tools here and there. When I started watching Primeagen, I took a note of several tools that he was using and advocating for. One of them was tmux. What is tmux? tmux is a terminal multiplexer. What that means is you can have many terminals in one. According to tmux wiki: tmux is a…
An in-depth exploration of what happens when Rust and C memory allocators collide, featuring crash analysis.
AI tools were supposed to free up our time—but they’re increasing our cognitive load and making us less productive. Here’s what’s really happening (and how to use them without burning out).
Personal blog of Julien (jvoisin) Voisin
Stop vibe-coding blindly! Why reading AI-generated code is crucial in 2025. Avoid security flaws, architectural decay, and knowledge loss when using Claude Code or any other tool.
The fundamental units of computation available to users today are not the same as they were 20 years ago. When users had at most a few cores on a single CPU, it made complete sense that every program was written with the assumption that it would only run on a single core.
A blameful postmortem of how my viral HackerNews project got compromised by legacy passwords, missing auth, and the perils of vibe coding.
You click a link in your chat app, your browser with a hundred tabs comes to the front and opens that page. How hard can it be? Well, you probably know by now that Wayland, unlike X, doesn’t let one application force its idiot wishes on everyone else. In order for an application to bring its window to the front, it…
Doing anti-aliasing on SDF is not as straightforward as it seems. Most of the time, we see people use a smoothstep with hardcoded constants, sometimes with screen space information, sometimes cryptic or convoluted formulas. Even if SDFs have the perfect mathematical properties needed for a clean anti-aliasing, the…
