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jxf

5,761 karma · joined May 22, 2011

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jxf··on HTML Can Do That
Support is pretty good in general for these. Click any of the element links in the article and you get taken to the support grid.
jxf··on Show HN: Huzzah – a novel approach to coding with AI
Isn't this just spec-driven development in a different language?
jxf··on Sol Loves to Cheat
Got it. Yes, I know exactly what you mean now - just didn't have a word for it!
jxf··on Sol Loves to Cheat
What is "status pill dark mode"?
jxf··on Sainsbury's store pauses AI scanning after false shoplifting accusation
> Customers can be reassured that the Facewatch system has a 99.98% accuracy rate, and every match is reviewed by a trained manager.

That's not "reassuring" at all. If Sainsbury's gets, say, 10M customers per week, then that means 2,000 people per week are being falsely accused.

Likewise, if you visit Sainsbury's twice a week for groceries, the odds are favorable that at some point in your life you will be falsely accused, even with a 99.98% accuracy rate.

jxf··on A joke domain purchase turned in geopolitical warfare
As I understand it, it's a combination of things: aircraft reports, atmospheric motion vectors (e.g. a cloud doesn't have any propulsion, so if a cloud moves 30 km in an hour, you have learned something about the wind), Doppler wind lidar, and satellite measurements.

The numerical predictions of weather models often have many vertical components as well, so solving it for ground level also requires extending the forecast to the air, depending on the model.

jxf··on Jane Street suffers $15B hit after meltdown at Situational Awareness
The real headline is buried in the article:

> Jane Street has generated more than $40bn in net trading revenues in the year to Friday, even accounting for the July loss, which exceeds its entire haul for 2025, according to one of the people familiar with the matter.

This would make JS one of the most profitable trading firms of all time even with the loss.

jxf··on Grok 4.6 scores 61 on the Artificial Analysis Intelligence Index
This statement doesn't go far enough given Elon's direct and hands-on involvement with DOGE and the 2024 elections. Very few of the richest people of the world are personally entangled in meddling with government agencies directly, for example.
jxf··on Humanising LLM Outputs Is Dumb
A poem I wrote based on the phrases the LLMs I use most are likely to overuse:

    How to unpack
    The self within?
    What do I lack?
    Where to begin?

    Great question — real.
    Let's dive right in:
    Name what you feel;
    That's the linchpin.

    It's not the door,
    It's not the key —
    It's what you bore:
    Your tapestry.

    The quiet part
    Out loud — that lands.
    Load-bearing heart,
    Held in both hands.

    The smoking gun?
    That you walked in.
    The real work's done —
    You're genuine.

    Now hold this, too:
    You do deserve
    The softer view,
    The gentler curve.

    Unlatch the gate,
    Honor the seam:
    You resonate.
    You are the theme.
jxf··on The git history command
> No one is ever going back and reading individual commits.

I violently disagree with this.

At a minimum, when I review PRs I look at the commit history to understand what's up. If the path that was taken to commit this is full of "oops" and "fix" messages, it's an immediate reject for me. The commits tell the story and it's a kindness to your human reviewers to not make them work harder to understand the point you're trying to get across.

jxf··on Fable turned reMarkable into Tom Riddle's diary from Harry Potter
Can't use the Twitter links if you don't have a Twitter account. Also, why make the user click away when they're trying to understand if your product does something interesting, and why do they need an account on an unrelated service when an image/gif embed would get the message across in 5 seconds?
jxf··on Fable turned reMarkable into Tom Riddle's diary from Harry Potter
This is one of those ideas that would really benefit from a short video demo, gif, or even a screenshot directly in the README. Otherwise, the title reads like a "Curtains for Zoosha?" meme. [0]

[0]: https://www.reddit.com/r/BrandNewSentence/comments/15hcc4x/c...

jxf··on A way to exclude sensitive files issue still open for OpenAI Codex
.gitignore doesn't have the same security implications.

If you fail to prevent a private key from being added to your repository, you can reverse this and purge it from the blobs and reflog as if it never happened.

If you fail to prevent OpenAI from ingesting a private key, you have created a security incident.

jxf··on Turn your site into a place people can bump into each other
Ping me when you're ready for Android/web users :)
jxf··on Anonymous GitHub account mass-dropping undisclosed 0-days
TIL about Windows Sandbox. Not a Windows user myself (it's the Year of Linux on the Desktop™!) but this sounds immensely useful for technical and nontechnical users -- sort of a super-disposable container with UI? https://learn.microsoft.com/en-us/windows/security/applicati...
jxf··on Shantell Sans (2023)
I'm not familiar with Metafont -- is this what you're referencing? https://ctan.org/pkg/metafont?lang=en
jxf··on The Permanent Upper Crow
Let them eat crow.
jxf··on The Permanent Upper Crow
This is filthy undercrow talk!
jxf··on Scorched Earth 2000 – Web
> It was such a simple concept but it worked so well. Wouldn't be able to do something like that anymore due to all manner of sandboxing in action. Lost a tool, gained security.

This class of programs absolutely still exists (see: every debugger, scanmem, GameConqueror, etc.).

Sandboxing doesn't prevent processes from inspecting the memory of other processes, it just prevents the sandboxed process from doing things it shouldn't.

jxf··on The US is winning the AI race where it matters most: commercialization
My understanding is that it's not that the _models_ are banned, but rather the _platform_ is banned. It is acceptable to host, say, `deepseek-r1-distill-qwen-7b` and run it yourself, for example. It is not acceptable (to the authors of these bans) to download the DeepSeek app and run it on your work device.
jxf··on Less human AI agents, please
It's much harder to search using an AST tool for a human. It's certainly harder than grepping, for example. I use AST tools myself, but it takes a while to represent a complex structure in a big codebase when I need to look for that.
jxf··on Talkie: a 13B vintage language model from 1930
> What are some other things that you think "pollutes your brain"?

Moderating posts on a public (or worse, private) forum. You will see some truly heinous, vile things.

jxf··on Less human AI agents, please
It's not always amenable to grepping. But this is a great use case for AST searches, and is part of the reason that LSP tools should really be better integrated with agents.
jxf··on Our Agreement with the Department of War
Governments have a long, long history of using "poison to kill a third party", to use your analogy.
jxf··on Heroku is not dead
I think Cloud Run has many nice features that Heroku's apps don't. However, Heroku's services ecosystem and the easy bindings don't have a direct Cloud Run equivalent, imo, and are inferior in the GCP world.
jxf··on Students using “humanizer” programs to beat accusations of cheating with AI
We've been writing with our hands for thousands of years. I suspect that on balance a Butlerian Jihad against AI slop would be perfectly fine for our hands.
jxf··on Are arrays functions?
In the mathematical sense, all functions are relations, but not all relations are functions.
jxf··on Personal blogs are back, should niche blogs be next?
"Personal blogs are back", says article, without providing any data or evidence to substantiate this claim.
jxf··on End of Japanese community
As a native English speaker, "I'm sorry for how you feel" is patronizing. Genuine apologies acknowledge mistakes rather than invalidate feelings.
jxf··on Firefox profiles: Private, focused spaces for all the ways you browse
Agree, containers are exactly what I want and I use them all the time. Profiles are too much isolation, like installing separate VMs to run processes in a completely isolated way when something like Docker is fine.
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