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foodevl

117 karmajoined 12 years ago

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Show HN: QR code renderer in a TrueType font

qr.jim.sh
118 points·by foodevl·17 days ago·18 comments

comments

foodevl
·7 days ago·discuss
This doesn't use hinting. Some reasons why are listed at: https://github.com/jimparis/qr-font/blob/master/design.md#wh...
foodevl
·7 days ago·discuss
Just glancing I would say it seems a bit different.
foodevl
·7 days ago·discuss
I haven't tried on macos, but yeah, the biggest problem right now seems to be implementation differences with how embedded spaces are handled. Earlier, the biggest cross-browser issues were pixel alignments within the QR codes, but those seem largely resolved.
foodevl
·7 days ago·discuss
Some details of how it works are in https://github.com/jimparis/qr-font/blob/master/design.md

Fair warning though: this was designed and implemented by an LLM, as an experiment to see if it was possible. I only guided it to a working solution by pointing out problems, and never dug deeply into its inner workings.
foodevl
·17 days ago·discuss
Yes. See https://news.ycombinator.com/item?id=48703200
foodevl
·17 days ago·discuss
1bpp's comment suggesting this yesterday: https://news.ycombinator.com/item?id=48682460
foodevl
·4 months ago·discuss
It is not a tricky problem because it has a simple and obvious solution: do not filter or block usage just because the input includes a word like "gun".
foodevl
·4 months ago·discuss
My dad wears smart glasses because he's nearly deaf and the classes show captions for the person he's talking to. They're great. He doesn't use or care at all about the camera. Having the captions would be very useful to him in a courtroom setting. Collateral damage I guess.
foodevl
·4 months ago·discuss
It's not enclosed in the final product. It is used during manufacturing. For example, you mechanically compress helium to get liquid helium, then when it depressurizes back to ambient pressure, it's -269 C, which is pretty close to "as cold as possible", and colder than any alternatives.
foodevl
·5 months ago·discuss
Yeah, everyone learns differently, but for me this is a perfect way to better understand how GPTs work.
foodevl
·7 months ago·discuss
> > some folks want to use lossless cut > In that case I would encourage you to ruminate on what the following in the post you're replying to means and what the implications are:

You may have misunderstood the comment: "lossless cut" is the name of an ffmpeg GUI front end. They're not discussing which exact command line gives lossless results.
foodevl
·8 months ago·discuss
200mg/day is not a "very very small dose". FDA recommended maximum safe amount is 400mg/day.
foodevl
·10 months ago·discuss
I was curious what the protein picture was showing: "Figure 1 Example predictions of SimpleFold on targets ... with ground truth shown in light aqua and prediction in deep teal."

and now I'm even more curious why they thought "light aqua" vs "deep teal" would be a good choice
foodevl
·10 months ago·discuss
Zuck owns 13% of Meta shares and 61% of the voting power

Jensen Huang owns 3.8% of Nvidia and 3.8% of the voting power

Tim Cook owns 0.021% of Apple and 0.021% of the voting power

Previously, Steve Jobs owned 0.6% of Apple and 0.6% of the voting power

So yeah, there's a structural difference here and Meta is much closer to being owned, managed, and controlled by Zuck alone
foodevl
·last year·discuss
I don't know (and don't need you to elaborate on) exactly what you're referring to in that last sentence, but I suspect you are confusing Eric W. Weisstein with Eric Weisstein.
foodevl
·last year·discuss
Lazy, or more efficient? If you type a time and hit start, you're not microwaving until you're done with all the buttons. If you hit "QS" a bunch to reach the duration instead, the microwave starts cooking immediately on the first press. Your nuggets get done a whole second earlier!
foodevl
·last year·discuss
Relative to the handedness, one bolt is always moving with it, one bolt is always moving against it. Switching direction doesn't change that. So switching direction can't change whether it moves inward or outward.
foodevl
·last year·discuss
Switching the direction that you're twiddling the bolts would have to change the direction of any movement. But by symmetry, clockwise and counterclockwise twiddling are identical (looking down on the head of each bolt, one is always moving clockwise and one is always moving counterclockwise). So there must be no in/out movement at all.
foodevl
·last year·discuss
some math because I'm curious: If you draw down and replace 50% of the water every day, each molecule has a 1/2 chance of sticking around. After 3 months that's 1/(2^90). A 5 gallon pot contains around 2^87 water molecules. So after 3 months there's basically none of the original liquid left.
foodevl
·last year·discuss
They were screwed from the start...

The Xbox came out when the PS2 did. When it came time for the next generation, Sony went with the obvious PS3. Microsoft of course couldn't compete with an "Xbox 2" vs a "PS3", and they couldn't skip right to "Xbox 3", so they called it the "Xbox 360", which was frankly genius because it had the 3 there anyway and put it on the same level in consumers' eyes.

But after that it all fell apart -- they had no good options. They still couldn't jump to "Xbox 4". Maybe "720" would have worked. Someone decided to have a clean break and restart at "One" but of course that fell apart immediately at "Two". So another clean break to "Series..". And by that point it's so screwy they've lost any chance of fixing it...