turtledragonfly

11 ms·

91.
Representing Rectangles(festina-lente-productions.com)
2 points by turtledragonfly 3y ago|1 comments
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by turtledragonfly 3y ago
Author here, in case you have any questions/feedback/etc (:
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by turtledragonfly 3y ago
As a counterpoint, a blog post is sometimes (often times?) more about the writing than the receiving of responses. Is throwing a bottle with a message in it into the ocean a "complex search query to find people?" I wouldn't p
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by turtledragonfly 3y ago
I see your "People X..., People Y..." language, and I just want to note that over-generalization can be a path towards depression[1]. I don't mean this directed at you specifically, but it's fairly common for people to t
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by turtledragonfly 3y ago
My understanding is that a lot of "knot culture" developed during the Nantucket whaling days. There were knots before, of course, but the variety and intricacy exploded. (a bit of a simplification of course, there are lots of cool
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by turtledragonfly 3y ago
Here's a nice short TED talk on tying your shoes right: https://www.ted.com/talks/terry_moore_how_to_tie_your_shoes It doesn't use the "Ian's Secure Shoelace Knot", but it shows that for the ty
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by turtledragonfly 3y ago
Historically, in high-performance resource-constrained applications (eg: console video games), developers would use a "stripped down" version of C++ (eg: no RAII, no exceptions), which often included avoiding STL. It's less t
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by turtledragonfly 3y ago
Microsoft's trademark is for just the letter "X", not the specific design. This is extra-confusing on the USPTO site[1] because it says "Standard Character Claim: No" (which usually means not text), but it also sa
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by turtledragonfly 3y ago
No, I don't believe so in this case. Though I agree the USPTO page can be confusing (: The Meta trademark is for this design: https://tsdr.uspto.gov/img/87980831/large?1690302463976 It's true that they u
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by turtledragonfly 3y ago
You can look at the trademark's registration in the USPTO site that was linked[1]. See the "Documents" tab. This one was first issued in ~2018, so would not need renewal until 2028. You don't generally need to sue every
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by turtledragonfly 3y ago
This is correct. I'm not a trademark lawyer, though I have filed some. There are two main types: a "standard character mark" (which is text) and the rest, which are visual logo designs. This one is the latter. That is, they&#
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by turtledragonfly 3y ago
Humor, I believe (: Poking fun at similar sites that plaster tech company logos on their splash pages to make it seem like they're important, when any real affiliation may be tenuous at best.
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by turtledragonfly 3y ago
I feel like the author themselves is a bit scattered on this point. In the very quote you lead with, they link to another post[1], which says "...MySQL is boring. Postgres is boring." Our author says they don't like that Bori
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by turtledragonfly 3y ago
> No business feature in my 15 year career has ever come close to the complexity of shaders, trig, and physics! Yeah, it's wild how even simple-ish video games can put to shame reams and reams of "enterprise-y day job" cod
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by turtledragonfly 3y ago
I like this collection because of how much there is to see. Van Gogh was more prolific than I had somehow imagined. There are different kinds of artists, and one kind (that I identify with) does it because of some semi-compulsion. It&#x27
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by turtledragonfly 3y ago
> Why had I tried to make personally meaningful art and make money from it? Isn’t that a contradiction? This is somewhat where I am now, working on an indie game that I must realistically guess will not pay the bills, once I release it.
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by turtledragonfly 3y ago
Then would it be fair to say that if you don't know what calculations might be coming, all other things being equal, 1 is a good choice since it is "unbiased" in this sense?
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by turtledragonfly 3y ago
Okay, I think we are basically on the same page. But since I'm finding this helpful ... (: We've been talking about addition so far, and relative scales between numbers. But suppose we just consider a single number, and multiply i
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by turtledragonfly 3y ago
There's something I'm not quite getting, here. Let's take your bank example, with 32-bit floats. Since you say it doesn't matter, lets set "1" to be "1 trillion dollars" (1e12). A customer currently h
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by turtledragonfly 3y ago
I suppose implicit in my assumptions is that if "1" is the number I care about, that's the sort of values I'm going to be working with w/regard to my target data. So, if I am doing some +1/-1 sort of math on a
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by turtledragonfly 3y ago
> `0.001` and `0.002` are essentially equally accurate as `1` and `2`. `1.001` and `1.002` are worse. Well let me just be 100% clear: I never meant to suggest the `1.001` encoding, at any point in this exchange (: > You want to move t
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by turtledragonfly 3y ago
> If you're calculating millimeters, you want to be using .001 and .002, not 1.001 and 1.002. I think if millimeters are what's important, one should represent them as '1' and '2', no? That's what I mea
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by turtledragonfly 3y ago
> Imo the right advice is to either store things in some sort of offset format Yeah, I agree that's what it comes down to, basically. It's more or less what I meant by "keep things near 1". I almost said "keep th
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by turtledragonfly 3y ago
Hm, maybe my terminology is not quite right; let me try again: With float32, if I want to do some "small-scale" math with a clump of numbers near 1 trillion, I will have a bad time. I can't even add 1 to them, reliably. Might
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by turtledragonfly 3y ago
I don't entirely follow... Most of the diagrams in this article are SVG files. Yes, you can look at the source (a big pile of numbers), but that doesn't say how they were created. I realize that a lot of this author's other a
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by turtledragonfly 3y ago
Pretty solid article. I'm glad there was mention of the non-uniform-distribution of floats, though my biased view wishes there were a little more emphasis that floats really really want to be "near 1", to keep precision. Th
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by turtledragonfly 3y ago
Heck no! And if you're interested, check out the Nobel-prize-winning split-brain experiments. Example: https://www.youtube.com/watch?v=aCv4K5aStdU
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by turtledragonfly 3y ago
Also, if you're interested in what intestines look like squirming about in real time: (beware! NSFW, medical gore, blood/guts/etc) https://old.reddit.com/r/medizzy/comments/ttz995/peristals
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by turtledragonfly 3y ago
People are wowed by animals that have multiple brains (eg: octopus' arms), perhaps not realizing that humans do too, in a sense — the enteric nervous system (described in the article). It's the reason you can still digest food if
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by turtledragonfly 3y ago
I love this micro-structure sort of stuff. Another good one is nacre (aka "mother of pearl")[1], which is composed of microscopic hexagonal platelets, made from aragonite. Nanotechnology is pretty old and common tech, it seems; we

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