j2kun

30 ms·

511.
by j2kun 3y ago
I've been looking for good examples for my next book, but everything I've read about has turned out to be not used, including everything in Michael Bader's book [1], except for S2Geometry [2], but I feel like I need to talk t
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by j2kun 3y ago
In this page they have "space filling curves" as an example in one of the images, but I haven't been able to find production systems that actually use space filling curves for similarity search. Anyone have any tips?
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by j2kun 3y ago
A well written document should focus the reader. When everything is a hyperlink and a "thought map" then you'll just end up being distracted and either not reading the original doc, or clicking on nothing and ignoring the del
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by j2kun 3y ago
The units list is hilarious and amazingly detailed, a sample: crocodile := megavolt // used informally in UK physics labs ... footcandle := lumen/ft^2 // Illuminance from a 1 c
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by j2kun 3y ago
People interested in this should check out Frink. It has been around for a while and has thousands of unit conversions with explanations, as well as a web interface for the unit conversions part https://frinklang.org/ http
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by j2kun 3y ago
I don't believe that top actors don't have similarly busy schedules. Meetings with producers, reading scripts, practicing lines, jetsetting around the world for shoots, trying to maintain a family and social life, making public ap
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by j2kun 3y ago
Not to mention using the % key for jumping to the matching bracket. Or tree-sitter for navigating scopes
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by j2kun 3y ago
I'm at Google working on it. We're making progress, but the only people who are using it in production for real are the Koreans. Their national COVID contact tracing system used FHE to keep location data private. I think it was Cr
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by j2kun 3y ago
References though. If you had to prove it was ubiquitous, what would you point to?
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by j2kun 3y ago
I'm curious what modern animation systems use quaternions. Can anyone who knows graphics well provide references?
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by j2kun 3y ago
After the first year, I made my book's electronic version "pay what you want."
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by j2kun 3y ago
It's hard for me to pin it down, but after blogging for 10+ years and working on my second book now, I kind of just have a good feeling for what will work. The topic and my approach to it feels true and speaks to my experience.
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by j2kun 3y ago
/shrug I wrote most of the book before I was a FAANG guy.
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by j2kun 3y ago
Kindle Direct Publishing. It used to be called CreateSpace (I was an intern there!) and their process is decent and the printed quality is good!
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by j2kun 3y ago
For the HN crowd there's probably a more realistic path toward writing as a career: self-publishing technical books. [By one year after publishing my first book]( https://jeremykun.com/2019/12/01/a-good-ye
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by j2kun 3y ago
Appendix C of the PDF has an example book summary of The Brothers Karamazov, with noted minor factual errors https://arxiv.org/pdf/2305.01625.pdf > Unlimiformer summary: > The first part of the novel focuses on t
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by j2kun 3y ago
No early access, but I published a draft of a sample chapter here, which is one of the simpler applications, but demonstrative of the type of content in the rest of the book: https://jeremykun.com/2022/05/14/p
528.
by j2kun 3y ago
Oh hi! I'm working on a second book: Practical Math for Programmers. Some details at https://pmfpbook.org/ Every weekend I livetweet my notes and research on the new book over at j2kun@mathstodon.xyz, e.g., https:&#x2
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by j2kun 3y ago
Wow, Macaulay is a big deal! Were you involved in any applications that used your software?
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by j2kun 4y ago
Also see https://news.ycombinator.com/item?id=34783447 for the discussion of the above blog post on HN.
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by j2kun 4y ago
I work on FHE at Google. We don't yet have production clients, but we're basically working to get it production ready and find the right use cases. See my blog post at https://jeremykun.com/2023/02/13&#x2
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by j2kun 4y ago
I'm writing a book just for you :) It's called "Practical Math: A Tour of Mathematics in Production Software" ( https://pmfpbook.org points to an announcement and mailing list) The idea is to give a large swat
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by j2kun 4y ago
Weird because Google groups is heavily used internally at Google. Unless there's an internal replacement coming, I don't see how it could die.
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by j2kun 4y ago
Admitting the possibility of having multiple frontend languages for the compiler is a longer term goal of mine!
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by j2kun 4y ago
It's more like: to implement add you need a ripple carry adder. You can't evaluate bit 6 until you've evaluated bits 1-5. So there's a nested dependence that makes the circuit deep. String cap, on the other hand, can be
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by j2kun 4y ago
It's based on the "Learning With Errors" problem and it's relative, "Ring Learning With Errors", both of which have reductions to lattice crypto problems, the same sort that are in the new NIST proposals for po
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by j2kun 4y ago
We have some serialization and deseralization to protos for internal tests. It's straightforward, and probably we'll add it to the compiler once we have a strong need and some more stable backends
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by j2kun 4y ago
I probably should have added: the backends used in the post are 3-ish years old and missing some of the latest features. We're working on integrating newer backends and taking advantage of the new techniques! The performance story is b
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by j2kun 4y ago
Short answer: string cap has more parallelism in the circuit. Depth is more important than total number of gates, and optimizers can decrease depth pretty well.
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by j2kun 4y ago
Come on, this is Hacker News, not Yahoo Answers.

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