• 1 Post
  • 282 Comments
Joined 1 year ago
cake
Cake day: September 2nd, 2023

help-circle
  • Editor/IDE, whatever. People claim both about jetbrains.

    If you want a purely editor-thing:

    Whatever vscode does with Ctrl+D (I don’t know the name). Ctrl+D is probably the hotkey I use most in vscode (probably more than Ctrl+S), yet CLion doesn’t have that. I’ve searched multiple times the whole settings for it.

    Those two examples are just the ones that most recently occurred to me, it has a lot more issues. For example the lack of a staging area. You can’t “git stage” in CLion.

    And I don’t think that the git integration is free from criticism. Git integration is one of the most important features of IDEs. It’s absolutely valid to criticize it.

    The autoformatter also doesn’t work correctly when developing in remote. Which means that unless I want my PRs to have thousands of lines of whitespace changes, I can’t use the auto formatter.

    Now I don’t know if this is a CMake issue or CLion. But at one point It was "#include"ing a struct from a header file I had deleted 1 hour previous to the build failing. The only way to fix that was to create the file again and delete it again.

    These complaints might seem small. But put together they are hours of wasted time that you don’t expect from the “best” of something.


  • Don’t need to go all the way there. I always heard that jetbrains make the best editors. Yet when my job forced everyone to use CLion I saw that it was just a lie. The editors aren’t good, they are just expensive.

    There are 2 easy examples:

    1. Remote developing sucks. Loading a remote cmake project takes ages. Yet if you remove the temp directory it’s almost instantaneous. Except when you do it too often and clion refuses to sync the files, then you’re fucked because there isn’t a “sync” button, it only happens automatically.

    2. The commit log is awful. It doesn’t by default show you the commit/branch you’ve checked out, it shows the chronologically most recent commit. There’s no “go to checked out commit” button either, you have to write the hash in the search field. Which btw the search is trash. If you write 6 of the characters of the hash it shows “there are no results”, yet when you write the 7th, suddenly your commit appears.



  • The thing about UB is that many optimizations are possible precisely because the spec specified it as UB. And the spec did so in order to make these optimizations possible.

    Codebases are not 6 lines long, they are hundreds of thousands. Without optimizations like those, many CPU cycles would be lost to unnecessary code being executed.

    If you write C/C++, it is because you either hate yourself or the application’s performance is important, and these optimizations are needed.

    The reason rust is so impressive nowadays is that you can write high performing code without risking accidentally doing UB. And if you are going to write code that might result in UB, you have to explicitly state so with unsafe. But for C/C++, there’s no saving. If you want your compiler to optimize code in those languages, you are going to have loaded guns pointing at your feet all the time.


  • I recently came across a rust book on how pointers aren’t just ints, because of UB.

    fn main() {
        a = &1
        b = &2
        a++
        if a == b {
            *a = 3
            print(b)
        }
    }
    

    This may either: not print anything, print 3 or print 2.

    Depending on the compiler, since b isn’t changed at all, it might optimize the print for print(2) instead of print(b). Even though everyone can agree that it should either not print anything or 3, but never 2.


  • If you want to use instructions from an extension (for example SIMD), you either: provide 2 versions of the function, or just won’t run in some CPUs. It would be weird for someone that doesn’t know about that to compile it for x86 and then have it not run on another x86 machine. I don’t think compilers use those instructions if you don’t tell them too.

    Anyway, the SIMD the compilers will do is nowhere near the amount that it’s possible. If you manually use SIMD intrinsics/inline SIMD assembly, chances are that it will be faster than what the compiler would do. Especially because you are reducing the % of CPUs your program can run on.






  • I don’t know why you are being so rude. I thought it was the rust community that was known for being toxic?

    It’s not my opinion on what the unsafe keyword means. That’s its purpose. Nobody ever wants to write unsafe code on purpose. The unsafe keyword was created to allow safe programs to be created in rust that wouldn’t be accepted by the strict rust compilers.

    In a Venn diagram, there are 2 circles: safe programs (1) and programs that are deemed safe by the rust compiler (2).

    Circle 2 is smaller than circle 1 and entirely contained inside it. However, there is no reason to not let people write programs from circle 1 that aren’t in circle 2. The unsafe keyword exists to enable programmers to write those programs in rust. However, it comes with a warning, now the programmer is the one responsible for making the program inside circle 1.










  • Windows 11 is little more than a reskin of windows 10, and they still fucked it up.

    Rounded corners are mandatory (Why? I really preferred squared ones). But developers can choose to have their windows square. Why only the developers? Let the user decide how a windows looks like!

    And don’t get me started on the start menu. It was a complete massacre. Tiles are gone (am I the only one that liked them?). Instead, now we pin apps to the start menu. Fine I guess, except for the fact that half of the fucking menu is taken up by fucking recomendations. If I remove every single recommendation, instead of having my space back for more pinned programs I get this message: “oh you like this precious white space? If you turned on some recommendations it would show something”. No, i don’t want recommendations, I want my start menu space back. Which btw in windows 10 used to be resizable to whatever size I wanted.

    Oh and lets not forget about the volume mixer. Which some genius decided that it was better to keep it 10 clicks away from the user in the settings, instead of conveniently at one click in the taskbar. Which they also made the sound settings their own special taskbar element, instead of another taskbar program. So now if I want to replace their shitty sound settings with the ones I like (trumpet btw), now I would have 2 sound settings in the taskbar, while in win10 I only had 1.

    And whose Idea was to join the sound settings and internet settings in the same taskbar button visually? Which is also not the same button functionally. You see, if you press the left side of the button it opens the sound settings, but the right side opens the internet settings. How much do Microsoft UI people get paid?

    I guess we got dark notepad, that’s nice.