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Cake day: August 12th, 2023

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  • I have never seen banding before, the image seems specifically picked to show the effect. I know it’s common when converting to less than 256 but color, e.g. if you turn images into svgs for some reason, or gifs (actual gifs, not video)

    Also dithering exists.

    Anyway, it’ll surely be standard at some point in the future, but it’s very much a small quality improvement and not something one definitely needs.


  • Turun@feddit.detoSelfhosted@lemmy.worldTarallo - selfhostable FOSS Trello alternative
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    7 months ago

    A basic image is really easy. It’s basically just

    Dockerfile

    FROM debian  # start with a minimal Linux system. There are probably better options than debian. Some images are made especially for docker (i.e. very minimal and light weight). 
    RUN apt install dependencies  # do what ever you need to get your app running. 
    RUN echo "options and stuff" >> /etc/a/config/file  # you can also edit system files
    COPY . /app  # copy your project into the docker container.
    EXPOSE 8080  # doesn't actually do anything, but documents where the app will be listening
    CMD server-binary run /app/main.php  # I have actually no idea how php server stuff works
    

    (Docs https://docs.docker.com/reference/dockerfile/)

    Then people can run your project with docker.

    Edit: checking the readme some small changes would be required. Config.php should read in environment variables and the DB init SQL should be run automatically somehow.



  • The example is wrong, because they used 1.0.

    But in general x-x does not have to equal 0, that is true. I’m pretty sure Nan and infinity would yield not 0.0, but Nan instead.

    And if you reach x with two different calculations, e.g. x1 = a - b - c and x2 = a - c - b it is certainly not guaranteed that x1 - x2 == 0.0