this post was submitted on 20 Jul 2024
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The last hope (lemmy.world)
submitted 4 months ago by PugJesus@lemmy.world to c/memes@lemmy.world
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[–] Ephera@lemmy.ml 6 points 4 months ago (5 children)

Yep, my immediate thought was, how the hell would you know it works?

[–] odium@programming.dev 3 points 4 months ago (2 children)

That program better be using an existing date library, because otherwise it's most definitely wrong.

[–] asyncrosaurus@programming.dev 3 points 4 months ago* (last edited 4 months ago) (1 children)

public string GetDayOfWeek(DateTime date) => "saturday";

I also calculated it, his result checks out.

[–] al4s@lemmy.world 4 points 4 months ago

Don't be ridiculous, that would never pass QA.

But this one will. Joy for years to come:

public string GetDayOfWeek(DateTime date) {
    return ((date - new DateTime(1970, 1, 1)).Milliseconds / 86400000) % 7 switch {
        0 => "Thursday",
        1 => "Friday",
        2 => "Saturday",
        3 => "Sunday",
        4 => "Monday"
    };
}
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