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Cake day: June 11th, 2023

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  • I suppose the regolith itself could be used as a heat sink. I don’t know what its thermal properties are like?

    But yeah, I imagine heat dissipation is a limiting factor. Everything I’ve read suggests the 1st gen reactors will put out something on the order of 10s of kilowatts, so rather modest by nuclear standards but still plenty for a nascent Moon base I imagine?


  • tunetardis@lemmy.catoWorld News@lemmy.world*Permanently Deleted*
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    2 months ago

    The trouble with solar on the moon is that the day-night cycle is a month long. You have to figure out what to do during the 2 Earth weeks worth of night.

    I suppose with a polar base, you could have several solar farms strategically placed so that at least one of them is operational at any given time, but that’s a lot of infrastructure and this is early days.




  • You raise a good point that it would be nice to have more control over which group of communities you are drawing from at a given time. (Is there a way to group subscriptions and switch between them?) It’s a bit disconcerting to see 5 tech headlines and then suddenly something about the war in Ukraine or whatever. It jars my train of thought. With an RSS client, you can group feeds however you want.

    That said, my experience with RSS readers is not quite so idyllic. In the end, rather than having nicely partitioned feed groups by topic, I wind up having to separate the ones that produce content frequently but with a poor signal-to-noise from those that post once in awhile but are generally worth your time. With something like lemmy, people are helping you do the work of finding the more interesting content from that site that posts every 10 minutes.



  • Anyways, did I miss anything?

    I think the big problem in link aggregation is how to sort/prioritize content for the end user. RSS does not provide a way to do this, nor should it as far as I’m concerned. It should simply be about public content being tagged in a standardized way for any app to come along and organize it using whatever algorithm.

    A simple RSS reader has the problem that the more prolific sites will tend to flood your feed and make it tedious to scroll through miles of links. Commercial news portals try to learn your tastes through some sort of machine learning algorithm and direct content accordingly. This sounds like a good idea in theory, but tends to build echo chambers around people that reinforce their biases, and that hasn’t done a lot of good for the world to put it mildly.

    The lemmy approach is to use one of a number of sorting algorithms built atop a crowd-sourced voting model. It may not be perfect, but I prefer it to being psychoanalyzed by an AI.

    Btw there was a post from about a month ago where someone was offering to make any RSS feed into a community. I’ve subscribed to a few of them and it’s actually pretty awesome.








  • The thing about the MPW Shell is it was sort of the only game in town if you actually wanted a command line with the classic Mac OS. (There’s an awesome little emulator called SheepShaver if you ever want to explore it btw.) Well, I suppose there was A/UX. I thought it was a miracle when that came out. You have to realize in those early days a good chunk of the operating system itself was actually baked in to ROM. (You had to do desperate things to squeeze a GUI out of such limited resources as existed back then!) So to this day I have no idea how they managed to spin off a 'nix despite that.

    Anyways. I wonder, if you made some sort of template format today, to what extent you could write some sort of conversion tool that would scrape a man page or whatever to rough it in and then you could tweak it to get what you want? man pages aren’t super standardized in their format I guess, so it’s probably more trouble than it’s worth. I like to use Python’s argparse when rolling out scripts myself, and its --help format is pretty rigid given that it’s algorithmically generated. Might be more plausible with something like that? I had a quick look just now to see if you can drill down into the argparse.ArgumentParser class itself to pull out the info more directly, but it seems a rather opaque thing that doesn’t expose public APIs for that. Oh well…


  • This reminds me of something from my ancient past. Back in the early-ish days of Apple, there was a development system called MPW (Macintosh Programmer’s Workshop) which included its own little kludgy shell.

    The weird thing about it though was while you could enter commands on the command line like in any shell, you could prefix them with the word commando (presumably a portmanteau of “command” and “window”) and this window would pop up showing various buttons, checkboxes, etc. correponding to command line options. When you ok’d the window, it would generate the command line for you.

    I’m rather hazy about how all this worked, but I think there was some sort of template language to define the window layout if you wanted to add commando support for your own tool? And presumeably, as you say, you could restrict what’s possible with the window interface as you deemed fit?


  • You mean like the comment fields we’re using right here on lemmy?

    As others have pointed out, it’s usually some markdown that’s embedded within the text. Lemmy is using a format that’s actually called “markdown” if I’m not mistaken, or a slight variation/subset thereof.

    I’ve gotten used to the double-star for bold and what not to the point that it annoys me when some message client or whatever doesn’t support it. I share code snippets with people fairly often, and the code markdown is particularly useful to maintain its legibility.