I’m a Christian and software engineer; I create random graphics projects and websites. Feel free to ask me for help with programming, or about my faith!

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Joined 1 year ago
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Cake day: June 12th, 2023

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  • For anyone who is confused: This is exploiting an old soundness bug in the Rust compiler that is still present. The GitHub issue page has this comment from maintainers:

    we already had a crate published on crates.io before which used this bug to transmute in safe code, see #25860 (comment).

    this issue is a priority to fix for the types team and has been so for years now. there is a reason for why it is not yet fixed. fixing it relies on where-bounds on binders which are blocked on the next-generation trait solver. we are actively working on this and cannot fix the unsoundness before it’s done.










  • My computer was taking too long to start up, which I interpreted as failing to boot, but in hindsight was probably just my hard drive being slow. So, I booted into recovery mode, and ran an update. At one point, apt said “there are unnecessary packages” and would I like to remove them? I figured that apt knew better than I did (after all, maybe a package dropped a dependency), so I said yes.

    It was after I noticed the very large number of packages that I suspected I messed up. Turns out, apt uninstalled the entire desktop environment, and network manager, so I had to boot into a USB drive with Network Manager installed, chroot into my main drive, and reinstall plasma. As a bonus, I think I missed the main group for the plasma desktop and only installed only most of it, so some of my extensions just didn’t work anymore.






  • I think the behavior could actually make sense with real physics, as the vehicle might be designed to mimic what the driver expects rather than real physics. For example, my car often shuts off the engine when I am not accelerating because it is a hybrid. So, if I don’t press the gas pedal, it wouldn’t really make sense for it to move. However, it is designed to artificially engage the engine when none of the pedals are pressed to more closely mimic the behavior of non-hybrid cars.

    If most pilots are used to the behavior if a vehicle in atmosphere, a space ship might be designed to mimic that behavior (through weak reverse thrusters or something else) to make it easier for pilots to get used to.