vain @www.uninformativ.de

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Recent Twts

Recent twts from vain

(#6e546wa) FTR, I see one (two) issues with PyQt6, sadly:

  1. The PyQt6 docs appear to be mostly auto-generated from the C++ docs. And they contain many errors or broken examples (due to the auto-conversion). I found this relatively unpleasent to work with.
  2. (Until Python finally gets rid of the Global Interpreter Lock properly, it’s not really suited for GUI programs anyway – in my opinion. You can’t offload anything to a second thread, because the whole program is still single-threaded. This would have made my fractal rendering program impossible, for example.)

#m3s6lqq

(#6e546wa) @prologic@twtxt.net Hm, same startup delay. (Go is not an option for me anyway.)

It’s hard to tell why all this is so slow. Maybe in this particular case it has something to do with fonts: strace shows the program loading the fontconfig configs several times, and that takes up a bulk of the startup time. šŸ¤” (Qt6 or Java don’t do that, but they’re still slow to start up – for other reasons, apparently.)

To be fair, it’s ā€œjustā€ the initial program startup (with warm I/O caches). Once it’s running, it’s fine. All toolkits I’ve tried are. But I don’t want to accept such delays, not in the year 2025. šŸ˜… Imagine every terminal window needing half a second to appear on the screen … nah, man.


#sj2mi6q

(#6e546wa) Be it Java with Swing or PyQt6, it takes ~300 ms until a basic window with a treeview and a listbox appears. That is a very noticeable delay.

Is it unrealistic to expect faster startup times these days? šŸ¤”

Once the program is running, a new second window (in the same process) appears very quickly. So it’s all just the initialization stuff that takes so long. I could, of course, do what ā€œfatā€ programs have done for ages: Pre-launch the process during boot, windowless. But I was hoping that this wasn’t needed. šŸ˜ž (And it’s a bad model anyway. When the main process crashes, all windows crash with it.)


#xewhsya

(#sxlpyva) This looks like a botnet, to be honest. The IPs are all over the place. Ethopia, Brazil, Kenya, Lebanon, Netherlands, … I mean, that’s the logical thing to do, isn’t it? Do your web crawling on infected PCs. Nobody will block those, because those are the same IP ranges as legitimate requests. And obviously you don’t have to pay for computing time.

… and they all send invalid HTTP requests, all answered with HTTP 400 … How silly.


#7xy3lea

My goodness, a new level of stupidity.

The bots are now doing things like this:

GET http://uninformativ.de/projects/lariza/feednotify/datenstrahler/slinp/countty HTTP/1.1
  1. That URL does not exist.
  2. By including http://uninformativ.de in that request, this instructs the webserver to do an HTTP proxy request. Of course, this isn’t allowed on my webserver (and shouldn’t by allowed on any normal webserver), resulting in HTTP 400. And even if it were, the target would be the exact same server, making a proxy request unnecessary.

And of course, it’s not just 50 hits like this or 100 or 1’000 or 10’000. No, it’s over 150’000 in the last 2 days. All from vastly different IP ranges of different cloud hosters.

This almost looks like a DDoS attack, but it’s just completely stupid. This feels more like some idiot vibe coded a crawler.


#sxlpyva

I used Gemini (the Google AI) twice at work today, asking about Google Workspace configuration and Google Cloud CLI usage (because we use those a lot). You’d think that it’d be well-suited for those topics. It answered very confidently, yet completely wrong. Just wrong. Made-up CLI arguments, whatever. It took me a while to notice, though, because it’s so convincing and, well, you implicitly and subconsciously trust the results of the Google AI when asking about Google topics, don’t you?

Will it get better over time? Maybe. But what I really want is this:

  • Good, well-structured, easy-to-read, proper documentation. Google isn’t doing too bad in this regard, actually, it’s just that they have so much stuff that it’s hard to find what you’re looking for. Hence …
  • … I want a good search function. Just give me a good fuzzy search for your docs. That’s it.

I just don’t have the time or energy to constantly second-guess this stuff. Give me something reliable. Something that is designed to do the right thing, not toy around with probabilities. ā€œAI for everythingā€ is just the wrong approach.


#cm5yyoq

Android shopping list apps disappointed me too many times, so I went back to writing these lists by hand a while ago.

Here’s what’s more fun: Write them in Vim and then print them on the dotmatrix printer. 🄳

And, because I can, I use my own font for that, i.e. ImageMagick renders an image file and then a little tool converts that to ESC/P so I can dump it to /dev/usb/lp0.

(I have so much scrap paper from mail spam lying around that I don’t feel too bad about this. All these sheets would go straight to the bin otherwise.)


#ulrmviq