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Joined 4 months ago
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Cake day: June 6th, 2024

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  • WolfLink@sh.itjust.workstoScience Memes@mander.xyzRaisins!!
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    5 hours ago

    There’s no center of the surface of the balloon (approximating the balloon as a sphere and ignoring the nipple).

    If you are standing on the earth, there is no center of the surface of the earth. The actual center of the earth requires movement in the 3rd dimension, but the surface is 2 dimensional.

    If our universe is hyper spherical, the “center” would be something unreachable; it would require moving in the 4th spacial dimension.







  • My experience is with iPhone (yeah yeah boo Apple).

    Most of how I learned was just digging through Apple’s documentation, focusing on one goal at a time. How do I draw stuff to the screen? How do I handle touch inputs? How do I use the built in UI elements? How do I play sounds? How do I get GPS data? Things like that. I’d usually have an idea of a specific mini-project that would make use of a specific new tool.

    Note that I already had some programming experience (although it wasn’t much) before I started teaching myself this way.

    Here’s Apple’s website: https://developer.apple.com/develop/

    Just start by downloading XCode and playing with one of their sample projects. SpriteKit is particularly easy to get started with and there’s a sample project for it. (I’m assuming you want to make something like a game. If you want to make more of a utility app, look up SwiftUI).

    If you aren’t an iPhone user “Apple fanboy”, you can try this: https://developer.android.com/courses

    Also many game engines (e.g. Godot, Unreal, Unity) have support for both iOS and Android.







  • Based on the small town where I grew up:

    • convenience store: 2km
    • nearest chain/big supermarket: 5km
    • bus stop: what bus?
    • park: 10km (but there are hiking trails within 1km)
    • train (metro) station: 5km
    • library: 5km
    • long distance train station: 20km
    • my dad’s daily commute when I was growing up: 140km (that’s 140km each way, 5 days a week. 1200km of commuting each week. He did this with a combination of car, bike, and train. It took him about 3 hours each way.)

    Note that a lot of the roads don’t have sidewalks so even if you want to walk it can be kinda dangerous depending on time of day.

    Based on cities I’ve lived in:

    • convenience store: 300m
    • chain supermarket: 800m
    • bus stop: 500m
    • train (metro) station: 1km
    • park: 1.5km
    • library: 1.5km
    • big supermarket: 2.5km
    • long-distance train station: 2.7km
    • my current commute: 3km

    The cities tend to be a lot more walkable, but you still need to take the car or train to get to things like by the bigger (and cheaper) supermarket and other stores. The train is slow and unreliable (sometimes it’s faster to walk than take the train) so cars are much more popular.