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Cake day: November 19th, 2023

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  • I ran out of crtcs, but I wanted another monitor. I widened a virtual display, and drew the left portion of it on one monitor, like regular. Then I had a crown job that would copy chunks of it into the frame buffer of a USB to DVI-d adapter. It could do 5 fps redrawing the whole screen, but I chose things to put there where it wouldn’t matter too much. The only painful thing was arranging the windows on that monitor, with the mouse updating very infrequently, and routinely being drawn 2 or more places in the frame buffer.


  • Modern operating systems have made it take very little knowledge to connect to WiFi and browse the internet. If you want to use your computer for more than that, it can still take a longer learning process. I download 3D models for printing, and wanted an image for each model so I could find things more easily. In Linux, I can make such images with only about a hundred characters in the terminal. In Windows, I would either need to learn powershell, or make an image from each file by hand.

    The way I understand “learning Linux” these days is reimagining what a computer can do for you to include the rich powers of open source software, so that when you have a problem that computers are very good at, you recognize that there’s an obvious solution on Linux that Windows doesn’t have.



  • I’d describe it as sort of 3 layers. The first is practical/everyday things, which are mostly much nicer than being alone, but require attentiveness and communication (learn what your SO doesn’t like doing, and do it. Learn what things are work together projects, and what things are stay out of my way type things for each of you, probably other aspects too) - but once you know how to take care of each other, almost everything is less work, takes less time, and costs less money. Cooking, laundry, cleaning, gardening, repairing things, painting the house are all improved. Decorating and having guests over are harder, at least for me. You have to not fall into the trap of taking the things they do for granted, even when those things are routine.

    The second layer I’d describe is lust/romance, which is sort of easier, except that you must avoid letting things coast too long. You have to dedicate time and effort to discovering new things about each other, and new things you enjoy together. You should still be dating, no matter how long it’s been, and ideally you should both be planning things most of the time. In my relationship, this is usually 1-2 things per month, each.

    The final layer is the emotional/support layer. Almost any time, my wife can seek comfort and support from me in a variety of ways for all kinds of things, and I get the same from her. All the big problems in life are easier when you can share them, so here the benefits are huge. This is the only thing I got basically none of from having roommates or a best friend, or dating. For my situation, there’s basically no downside to this.



  • Real everyone-eats-ice-cream-and-dances-all-day hasn’t been tried either. Just because you describe a set of circumstances doesn’t mean those circumstances can exist, and it especially doesn’t mean they can be stable long term.

    Scarcity is a fact of nature. You cannot rationally distribute scarce things without knowing people’s preferences, so you either need to continuously solve the economic knowledge problem (which requires a huge state apparatus, which will be taken over by a dictator), or a means of exchanging goods between people to better suit their preferences (at which point you have invented capitalism).



  • There’s a lot of answers here, but I don’t think anyone said the magic words. To reseason cast iron, you need an oil high in poly-unsaturated fatty acids. Those are the kind that can chain together, and form a good polymer coating.

    The thing that trips me up most about this subject is that 140 years ago, pork fat was very good for seasoning cast iron. Today, it isn’t, because the composition of the fat has changed significantly.

    The best seasoning coats will be thin, not appear or feel oily, give the pan a dark color slightly more glossy than an eggshell, and resist mild detergents, metal spatulas, and heat high enough to sear a steak on. If you have a layer of loose stuff in the pan, that’s just a layer of gunk, and is probably adding some weird flavors to anything you cook.










  • I’m ignoring many factors for the sake of being able to answer. There are some kinds of heating, especially using burning fuels that are nearly 100% efficient, but we don’t know why it needs to get to that temperature, or how long it needs to stay that hot - so even if the transfer of heat is 100% efficient, this computation may underestimate the actual needs.


  • prime_number_314159@lemmy.worldtoMemes@lemmy.mlCheckmate
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    11 months ago

    You have 3 liters of water heating up by 50 degrees celsius. It takes 4184 joules to heat 1 liter of liquid water by one degree Celsius, so it takes 627600 joules to heat 3 liters by 50 degrees. Dividing by 40000 joules per gram of fuel, it will take 15.69 grams of fuel per minute. Finally, for significant digits, we have to round to 16. grams of fuel per minute.

    Edit: for most sciency uses, 1.6 times 10^1 grams of fuel per minute is likely the preferred way to write that.



  • prime_number_314159@lemmy.worldtoMemes@lemmy.mlTrig
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    11 months ago

    I had to read Shakespeare, then read another book about how witty and clever it was to the people of the time, then write a report about how witty and clever it was, once I understood the historical context. My conclusion that having to explain jokes is the death of humor got me a C-.