38 links from the last 24 hours · 3 November 2026
When your database CPU is at 100%, what is it actually doing? Memory stalls, CPU caches, and how radix partitioning makes GROUP BY faster.
Get the C# 15 Skill: https://dometrain.com/free/download-assets-union-types-are-finally-in-net-but-who-cares/ Hello, everybody. I'm Nick, and in this video, I want to talk about the brand new feature called Union Types (or Discriminated Unions by some) that w…
This video examines the amount of location information carried by inaudible background sounds, using the Doppler effect to locate a reference recording within ~100m, and only needing (in some cases) less 1-min of audio. This video raises awareness of these cap…
Postgres 19 is late, and it's AI's fault
Over the past decade, the timing of PostgreSQL major releases has become very predictable: no earlier than the middle of September, and no l...
The experiments that read raw weights and the ones that fix Qwen use completely different techniques.
How do you implement a random-access database when you don't have random-access external storage? - The Old New Thing
You just store it all in memory, in your own program.
GitHub - JiaFeiMiao-K-Cat/DiscImageStudio
Contribute to JiaFeiMiao-K-Cat/DiscImageStudio development by creating an account on GitHub.
A newspaper from Hacker News, refreshed every hour. Independent headlines, original sources.
I sent out the October edition of my sponsors-only monthly newsletter. If you are a sponsor (or start a sponsorship now) you can access it here. This month: The October …
The SEC Should Block Anthropic’s IPO to Protect the Public
If Anthropic goes public, workers, retail investors, and retirees will be left holding the bag when its bills come due, writes Matt Scherer.
Genius piece of OSINT by Colsto, who demonstrates how you can take almost imperceptible background noise of planes from a video soundtrack, figure out their Doppler curves, then cross reference …
Dawei Sun's personal website — writing on research, engineering, and ideas.
Just describe what you want. Get better at articulating your problem, and the solution you have in mind. I used to use Firefox, with a bunch of...
It’s only fair.
What divergent series, imaginary numbers, and the Langlands program suggest about the limits of our mathematical language.
Why consumption software still matters, why more software will be hackable, and why we still need software crafters.
A Decade of Kill Bugs
One latch per state. A Boolean circuit on each arrow.
A mathematical hypothesis about intelligence, cooperation, and the possibility of a shared civilization.
The US election could turn the country into chaos
Trump already tried to overturn one election he lost. On November 3, he’s likely to lose another one, badly. At this point it is obvious to almost everybody that the Republican Party, and thus Trump, is going to get smashed in the midterms. Chances are that bo…
Following a write through MongoDB replication and WiredTiger local durability.
De-tooling | David Amos | Author & Technical Writer
A reflection on AI, chairs, and our obsession with convenience.
Build Your Own LLM for Brazilian Jiu Jitsu
Discover how to build a custom LLM for Brazilian Jiu Jitsu (or your favorite hobby) using video instructionals, enhancing understanding and training experience.
Three months of running my own models on a MacBook, what it cost, and what it would cost on OpenRouter.
Single-Use Software
Mass-produced single-use plastics made out of code.
Access large language models from the command-line
You don’t need a Makefile. Whatever your use-case, there is a better tool. Makefiles are archaic technology, living on by force of inertia and...
I’m turning into a Project Manager.
I have this very distinct memory from the start of the AI era. I was on a flight from the US to the UK and I had purchased the on-board wifi, had my laptop on my lap, and a ChatGPT subscription under my belt.
Headless software doesn't mean getting rid of interfaces. It means separating the data and functionality from how we interact with it.
Ubuntu LTS kernels still unfixed for critical CVE-2026-98432
No patched kernels are available yet for 22.04, 24.04, or 26.04 despite a CVSS 9.8 rating.
RAM is expensive, so I used AI to design the schematic, PCB, Routing, and FPGA logic for a QBUS memory card for the PDP-11, then used it to debug the final boards once I had them produced! This is the story!
Boy Names That Became Girl Names (and Vice Versa)
Explore 125 baby names that shifted between boys and girls, from Leslie to Ashley. See how each one’s split between boys and girls changed from 1936 to 2025.
LLMs are not superhuman at reading and writing neural network weights
A recent paper argues that frontier LLMs can work with neural network weights directly. This seems superhuman, but it isn’t. The paper shows that GPT-6 Astra…
Jailbreaking my car's navigation system just so I can change the time | nns.ee
I shouldn't have to be doing any of this, but at least it's fun.
Prove you are not a child
I'm 100% for banning social media for children. I would even extend it to banning it all together in its current form. But I am also against the methods for enforcement.
We find that frontier LLMs are surprisingly good at natively reading and writing neural network weights, well past what we’d expect from humans or conventional algorithms.
Audience capture
Audience capture is the part that scares me the most about writing on the internet. I have the soul of an engineer: when I see a metric like engagement, I want…