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barsoap

@ barsoap @lemm.ee

Posts
9
Comments
743
Joined
3 yr. ago

  • Order of magnitude is a hell of a drug

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  • Order of magnitude is a hell of a drug

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  • "Modern" is a bit misleading, x87 had fldpi. The whole x87 part of the standard has been deprecated with x86_64 in favour of the whole sse series of instructions and those don't come with pi. You instead load a constant from program memory, just like any other.

    As processors (as of yet) still support those legacy modes they will also contain the constant somewhere in probably microcode storage, calculating it on the fly makes literally no sense at all: It's (for x87) 80 bits of data, much shorter than any imaginable program, smaller than any circuitry able to compute it so you'd be spending time to save no space which is pointless.

    ARM, RISC-V etc. come from the RISC tradition so they wouldn't be caught dead including such an instruction. Both have zero registers though as zero is an absurdly useful constant, simplifying things drastically, both on the hardware front as well as within the instruction set (move is add zero to source, save to destination, clear is add zero and zero, save to destination)

    Now, that's finite constants. In particular, it's about floating point arithmetic, which is a wonder of maths and a deep rat's nest of numerology, but has finite precision, it's not true real arithmetic. Real real arithmetic is undecidable, in particular comparison and expansion to decimal form are undecidable. Printing infinite strings of digits is usually not what we want to do, and limiting precision of comparisons is... not ideal, but better than having limited precision at every operation: You can decide once you're comparing how accurate you want things to be and don't have to worry while writing down your formula (btw Herbie exists, and that's why packages like this exist. In that case pi is not a constant but a formula, which can be expanded as needed. Quite slow compared to floating point hardware but when you need it you need it and even if you don't it's still useful as a sanity check, gives you an idea of how far off the floating point results are without having to call in a favour with a mathematician.

  • Hertz, showing the difference between science and engineering

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  • You don't understand that's just Hanseatic understatement.

  • As disinformation and hate thrive online, YouTube quietly changed how it moderates content

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  • I know what they mean when clutching their frozen peaches. It also never works out as they imagine because paradox of tolerance.

  • As disinformation and hate thrive online, YouTube quietly changed how it moderates content

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  • Those instances weren't breaking laws. At least not American ones. It is not illegal to be an incivil assclown, but you are going to get thrown out of the bar.

  • As disinformation and hate thrive online, YouTube quietly changed how it moderates content

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  • You can also look into the long, long list of defunct instances because they got defederated by basically everyone because noone wanted to deal with their shit. Hexbear and lemmygrad don't care if they're defederated because they're platforms to themselves, the instances I'm talking about were basically 4chan, kiwifarms, whatever, chuds getting banned on ordinary instances setting up their own and trying again. When that didn't work the instances collapsed as harassing others was their only purpose.

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  • Like, the periodic tables mapping isn’t arbitrary or alternate.

    Neither the biology nor culinary mappings are arbitrary, they have their rhyme and reason. Also biology would be the alternate one? Because the culinary definitions were definitely first.

    Did you know that there's quite extreme disagreements on what metals are? Chemists will tell you one thing and not be particularly unified in their response around the topic of semimetals, while astrophysicists have a very simple definition of metals: Anything that has more protons than helium.

    Who is right? This has nothing to do with metaphysics (I've read a bit down the thread) as in "what is beyond physics, god, and stuff", but how we interpret our (scientific) observations. Neither definition of metals is more correct than the other, they're both maps drawn by scientists caring about vastly different things. Neither side says that the other is wrong -- they just don't care for it.

    Back to the periodic table itself: Defining elements by protons has quite some predictive power but at the same time it's a vast oversimplification of what actually goes on, ask any quantum chemist. It is rooted in quite hard science, but that doesn't make it ground reality. Actual reality is something we can't observe because to observe anything we first have to project it into our minds. All perception is modelling: Ask any neuroscientist. Or, for that matter, Plato.

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  • Isn’t the rejection of post-modernism like a very Jordan-Peterson–like thing to do?

    Peterson is kinda the embodiment of post-modernism, that is, he does all his ideology building by questioning everything else into oblivion.

    Of course, not knowing what he's talking about is also something very Jordan-Peterson-like so that all tracks.

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  • I haven't but that sounds like a pie not a cake. A meal, not a dessert.

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  • Like at the end of the day it’s just humans developing a system to make sense of nature

    The core of the matter is that we have multiple, mutually incompatible schemes sharing in part the same terminology. Biology is not cooking, both fields care about vastly different things thus the categorisation scheme is different, that's the end of it. Culinarily, tomatoes have too much umami to be fruit. Botanically peppermint is an aromatic, I recommend you not put any into your soffritto.

    EDIT:

    Tomato is also dominated by oxalic acid, not malic, citric, (typical fruit acids) or acetic (fermented/overripe). Oxalic acid is in parsley, chives, spinach, beans, lettuce, that kind of stuff. "It's sour" isn't sufficient to describe a taste profile, our tongues may not tell them apart but our noses definitely do.

    I think it should be possible to break the culinary categorisation down to chemistry. That doesn't tell you anything about the "why" but it's definitely not random and definitely not all in our heads.

  • 'We're done with Teams': German state hits uninstall on Microsoft

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  • I wouldn't count on the federation they've been doing nothing all these years. Schleswig-Holstein law has favoured FLOSS solutions since 2009 ("where technically possible and economical"), and bits and pieces were introduced as early as 2012. ZenDiS exists since 2022, opendesk is based on dPhoenixSuite, work done by Dataport precisely for Schleswig-Holstein, and they're still doing most of the development work. More importantly though I'm not seeing any political commitment on the federal level, the Bundeswehr switching over because they care about stuff doesn't mean that the, what, finance ministry cares. The BND probably also cares but tough luck getting them to confirm or deny anything.

  • 'We're done with Teams': German state hits uninstall on Microsoft

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  • SteamOS is not a good desktop distribution, which isn't surprising as it's not supposed to be one. It's specialised for handhelds.

    Go install Ubuntu or something, really anything, ideally don't have an Nvidia GPU, install steam, done. SteamOS has no special sauce regarding running games.

  • map reducer

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  •  
        
Sandwich.hs:6:11: error: [GHC-83865]
    * Couldn't match type ‘Bread’ with ‘Cucumber’
        Expected: Bread
        Actual: Cucumber

    This wouldn't have happened with Burritos.

  • “Piracy is Piracy” – Disney and Universal team up to sue Midjourney

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  • You mean cause a chargeback or something? You'd have to find a sufficiently shady seller, the key might get revoked, also you're supporting another ilk of scumbags.

  • “Piracy is Piracy” – Disney and Universal team up to sue Midjourney

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  • You should totally play the game, but make sure that you pirate it so your money doesn't go to the thief who stole the rights from the creators.

  • Palantir may be engaging in a coordinated disinformation campaign by astroturfing these news-related subreddits: r/world, r/newsletter, r/investinq, and r/tech_news

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  • Let me throw a disgusted upvote in your general direction.

  • It's not supposed to make sense...

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  • As the old saying goes “extraordinary claims require extraordinary evidence.”

    It may be convenient to look at classical interpretations but "The intuition we evolved to interact with macro systems is also applicable to the micro level" is in itself an extraordinary claim.

  • VPN Registrations Increase by 1,000%, less than Hour After PornHub Blocked France From Accessing its Website.

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  • Germany had this since forever, it's just how offline laws translate to the internet: There's a difference between a) ordinary nudity, b) eroticism and c) straight-up porn. The latter was always 18+, in video rental stores etc. they would have a separate section and if you didn't look of age you'd get ID'd.

    You can't order alcohol online in Germany without a proper age check, and the same applies to porn. For paid offerings that's no issue, payment providers offer age checks (your bank knows how old you are and them vouching suffices), for free sites it's a no-go, noone is going to go through the hassle. Especially as you can escape off the German-language internet onto the international one and merely click through an "are you 18" banner.

    Notably, pornhub isn't blocked in Germany -- neither from the German side, nor from pornhub's. Very occasionally DNS bans are ordered when a site without age checks tries to specifically target the German market. Mostly though it's down to German google not serving up those international porn sites which in the end is good enough for the youth protection authorities because the point is not to make access impossible, it's to make sure that youth not ready for content doesn't stumble across it. And once you're actively seeking, you're ready, the hoops you have to jump through are proof of the "active" part. YMMV on "not ready for porn with 18", back in the days there was still softcore. On free TV. Probably won't hurt kids to not start out with gonzo.