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The Little Book of Generative AI Foundations: An Intuitive Mathematical Primer

https://arxiv.org/abs/2605.29713
174•ibobev•2h ago•28 comments

Safari introduces Adaptive Dark Mode in 27.3

https://webkit.org/blog/18541/introducing-adaptive-dark-mode/
232•paddingtone•2h ago•148 comments

The Internals of PostgreSQL

https://www.interdb.jp/pg/index.html
66•ibobev•2h ago•2 comments

Jailbreaking my car's navigation system just so I can change the time

https://blog.nns.ee/2026/11/02/renault-hack/
581•xx_ns•1d ago•230 comments

Stringman, an $800 open-source room scale gripper robot

https://neufangled.com/
336•nharada•7h ago•132 comments

Show HN: HackerTV – HN's most-recommended Youtube videos as 24/7 TV channels

https://hackertv.org
141•dsalzman•23h ago•33 comments

Qwen 3.8 27B on my laptop can interpret model weights, too

https://simonwillison.net/2026/Nov/3/qwen-can-interpret-model-weights/
466•theanonymousone•6h ago•148 comments

Japan's Jimi 'Mundane' Halloween Costumes of 2026

https://spoon-tamago.com/japan-jimi-mundane-halloween-costumes-2026/
84•zdw•1d ago•14 comments

Fujifilm to boost tape production 5x as AI fuels archiving demand

https://arstechnica.com/gadgets/2026/10/fujifilm-to-boost-tape-production-5x-as-ai-fuels-archivin...
361•bookofjoe•1d ago•148 comments

macOS 27 does not support CoreStorage volumes

https://wadetregaskis.com/macos-27-golden-gate-does-not-actually-support-corestorage-or-hfs-volumes/
88•colejohnson66•4h ago•53 comments

Postman silently auto-installs AI plugins and attempts to share all API data

https://github.com/postmanlabs/postman-app-support/issues/14370
977•sidgarimella•7h ago•322 comments

Show HN: Kairos – Open-source risk and fraud decisioning platform

https://github.com/finic-ai/kairos
38•ayanb9440•3h ago•4 comments

We're Training a Figma-Fluent Editing Model

https://www.figma.com/blog/training-a-figma-fluent-editing-model/
60•gmays•2d ago•31 comments

Introduction to Programming in ATS

https://ats-lang.sourceforge.net/DOCUMENT/INT2PROGINATS/HTML/book1.html
47•ibobev•4h ago•7 comments

US tech giants' hidden AI debt swells 90% to $3.2T in 6 months

https://asia.nikkei.com/business/technology/artificial-intelligence/us-tech-giants-hidden-ai-debt...
159•angry_impala•2h ago•53 comments

Curiosity Traps

https://www.autodidacts.io/curiosity-traps/
29•surprisetalk•1d ago•3 comments

Preparing for the Flipper One Kickstarter and opening pre-orders

https://flipper.net/pages/flipper-one
165•user_7832•4h ago•76 comments

Union Types and Option Types (2025)

https://tibleiz.net/blog/2025-03-16-union-types-and-option-types.html
11•g0xA52A2A•1d ago•3 comments

How I use AI (Oct 2026)

https://ben.stolovitz.com/posts/how-use-ai-oct-2026/
70•citelao•6h ago•68 comments

Could a modern chess engine on a Pentium have defeated Kasparov in 1996?

https://nicholas.carlini.com/writing/2026/algorithmic-improvements-chess.html
437•markusw•16h ago•204 comments

Ashby (YC W19) Is Hiring EMs

https://www.ashbyhq.com/careers?ashby_jid=695b1ce6-c375-4fad-94ef-61b50a3fbd28&utm_source=hn
1•abhikp•7h ago

Mac at Any Scale

https://namespace.so/blog/mac-at-any-scale
304•anner_•9h ago•171 comments

The 'Astra can read and write weights to improve Qwen' post is misleading

https://honnibal.dev/blog/astra-read-write-misleading
875•syllogism•12h ago•190 comments

Pratt parsing is a black box

https://vinipsmaker.github.io/blog/article/pratt-parsing-is-a-black-box/
31•ibobev•4h ago•16 comments

Writing seen in PHerc. 306B, for the first time in 2000 years

https://scrollprize.substack.com/p/writing-seen-in-pherc-306b-for-the
113•benbreen•1d ago•15 comments

Antimony: CAD Software Evolved from Lisp Machines and Not Drafting Tables (2015)

https://www.mattkeeter.com/projects/antimony/3/
102•pmkary•1d ago•55 comments

There is no posttraining data commons

https://openathena.ai/blog/there-is-no-posttraining-data-commons/
5•lukasschwab•9h ago•1 comments

USDB: Scaling Storage for Next-Generation Recommender Systems at ByteDance

https://arxiv.org/abs/2611.02618
44•1equalsequals1•7h ago•7 comments

Tiny Basic for Arduino

https://dilshan.github.io/tiny-basic/
63•AlexeyBrin•9h ago•19 comments

Practice speaking Japanese with real YouTube videos, graded line by line

https://jivx.com/yt
74•momentmaker•9h ago•29 comments
Open in hackernews

Path is a utility for working with paths

https://gitlab.com/SpyrjaGaldr/path
60•spyrja•1y ago
A recent post here got me thinking about my own personal gripes with OS path handling offerings. So I've basically spent the passed couple of days working on a little project in an attempt to rectify the situation somewhat (in the spirit of cross-platform development). It should also work pretty well with existing tools. Let me know what you think, and feel free to open an issue or a pull-request if you have any problems getting it running it on your system. Enjoy!

Github link: https://github.com/SpyrjaGaldr/path

https://simonsafar.com/2025/path_as_system_call/

https://news.ycombinator.com/item?id=43788728

Comments

vesinisa•1y ago
What can this do that standard Unix find can not do?
autobodie•1y ago
cross platform support, according to the description.
indemnity•1y ago
fd exists https://github.com/sharkdp/fd
spyrja•1y ago
Looks like it has a pretty good interface as well. It does however seem a just a bit too top-heavy (lot's of dependencies) not to mention a few more bugs than I particularly care for. But sheesh, 37K stars, it must be good for something!
blooalien•1y ago
> ... "it must be good for something!"

It's good for finding files fast, and piping the resulting file paths into other tools for further action / handling. It does what it claims to do and does it well. :)

spyrja•1y ago
I would say the default behaviour just isn't very ergonomic. Suppressing warnings for example requires piping to /dev/null (whereas `path` supresses permission warnings by default), if you want to limit the number of results you have to pipe the output to another command, getting xargs-like behaviour (obviously), or putting quotes around lines with embedded spaces, there are simply more hoops to jump through. It's much easier to type "path -sf .jpg .jpeg .png" than whatever would be required to get the `find` utility to do the same. (Or, say, finding all node_modules folders with "path -z n_m", it's just so much more satisfying.) But yes, these are mostly just syntactic-sugar kinds of issues. Aside from that (and perhaps the lack of cross-platform compatibility), I would say there is nothing inherently deficient about the `find` command. It's a work-horse which probably has more features than `path` does. But the latter really is growing on me. It is actually quite fun to use, if I may say so myself!
jimbokun•1y ago
“A more ergonomic find command” is a nice elevator pitch.
pimlottc•1y ago
From the name and description, I expected this to perform operations on file path strings, like convert relative to absolute (and vice versa), expand symlinks, convert unix paths to dos, etc. This is more like a find command.
spyrja•1y ago
I don't see why it necessarily couldn't, my only question would be if there are really many actual use cases for such things? As far as symlinks go, I suppose being able to expand them (but not following them!) might be somewhat useful. But converting to DOS paths and vice-versa? That just doesn't seem very useful. Nevermind converting to-and-fro relative and absolute paths, I can't even imagine what the point of that would be. But perhaps I'm just not seeing the forest for the trees, as they say.
qrobit•1y ago
As a rule of thumb I always make paths absolute when handling files in scripts. But then sometimes I need to copy a directory tree relative to $CWD somewhere else, so I convert them back to relative

Fish, being a great shell, provides this via `path` command[0]

[0]: https://fishshell.com/docs/current/cmds/path.html

jl6•1y ago
> for the primary purpose of helping other programs know where to find stuff

Potential footgun to make a program rely on this to locate, say, a shared library (as in one of the examples), if there’s a possibility that someone has smuggled a malware’d version of it into, say, /tmp, since it defaults to searching the root directory.

spyrja•1y ago
Kind of, but also kind of not. I mean if someone can smuggle a file into some random directory, chances are they have enough access to write directly to the "correct" folder to begin with. Personally I wouldn't execute or otherwise load any sort of executable content from a non-root directory (although certainly there are many people who wouldn't even think twice before doing such a thing). So it really just boils down to having a sane security-policy. Restrict searches with something like "path -d /usr *" and you are guaranteed not to scoop-up something that was world-writable in the first place. In fact in the example given in the README, that is precisely how that would have worked. Both /lib32 and /lib64 are owned by "root" and hence not a concern.
jl6•1y ago
Naturally every footgun is guaranteed to be safe as long as you use it right :)

I wonder if a safer default would be to start searches at the current directory rather than the root directory?

spyrja•1y ago
I did actually consider that at one point, but eventually decided against it because I felt would have meant a sacrifice in performance; first you'd do the local search, then start at the very top and recurse back down, checking every single entry against the local path to be sure that you don't do the local traversal all over again. Fortunately the code base is very clean and straight-forward, so it would be a fairly trivial excercise to just fork the repo and make those changes yourself to get that kind of behaviour.
account-5•1y ago
I've been finding nushell's `ls` with a where clause is pretty good for this. There's also the `find` command too.
spyrja•1y ago
Well I ran a bunch of tests and it turns out that the performance wasn't actually impacted very much after all. So the changes are official. I also made some other adjustments to the default behaviour; if no pattern is specified then it just matches everything. In other words, "path -f" prints every regular file in the filesystem (starting in the current one). Anyway, thanks for the suggestion, otherwise I may not gone down that (decidedly satisfying) rabbit-hole!