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Terence Tao's ChatGPT conversation about the Jacobian Conjecture counterexample

https://chatgpt.com/share/6a5fdc7a-d6f8-83e8-bbea-8deb42cfed56
693•gmays•10h ago•409 comments

Quality non-fiction books are the antithesis of AI slop

https://resobscura.substack.com/p/quality-non-fiction-books-are-the
224•benbreen•13h ago•92 comments

git's –end-of-options Flag

https://nesbitt.io/2026/07/21/end-of-options.html
14•Erenay09•1d ago•0 comments

GigaToken: ~1000x faster Language model tokenization

https://github.com/marcelroed/gigatoken/
408•syrusakbary•10h ago•81 comments

Show HN: Bento - An entire PowerPoint in one HTML file (edit+view+data+collab)

https://bento.page/slides/
706•starfallg•12h ago•159 comments

Medici family mystery may be solved after more than 400 years

https://www.cnn.com/2026/07/15/science/medici-family-mystery-dna-malaria
96•effects•6h ago•23 comments

Everyone should know SIMD

https://mitchellh.com/writing/everyone-should-know-simd
309•WadeGrimridge•10h ago•97 comments

Are AI labs pelicanmaxxing?

https://dylancastillo.co/posts/pelicanmaxxing.html
426•dcastm•10h ago•163 comments

ascdraw: Editor for ASCII/UTF-8 diagrams (in 144FPS)

https://github.com/exlee/ascdraw
13•xlii•2d ago•2 comments

Restructuring GitHub's bug bounty program

https://github.blog/security/next-chapter-restructuring-githubs-bug-bounty-program/
16•soheilpro•1h ago•8 comments

Show HN: Cactus Hybrid: We taught Gemma 4 to know when it's wrong

https://github.com/cactus-compute/cactus-hybrid
91•HenryNdubuaku•10h ago•14 comments

John C. Dvorak has died

https://twitter.com/na_announce/status/2079952538040672302
636•coleca•8h ago•205 comments

Malleable Computing, Emacs, and You

http://yummymelon.com/devnull/malleable-computing-emacs-and-you.html
82•kickingvegas•7h ago•23 comments

Petals: Run LLMs at home, BitTorrent-style

https://petals.dev/
74•snorbleck•2h ago•25 comments

Making

https://beej.us/blog/data/ai-making/
305•erikschoster•12h ago•117 comments

So Reddit has decided that plain HTML is unsafe

https://www.cole-k.com/2026/07/21/reddit/
329•montroser•15h ago•331 comments

Fairphone 6 wide camera experimental Linux support

https://nondescriptpointer.com/articles/fairphone-6-wide-camera-linux/
87•helonaut•8h ago•9 comments

Nobody knows what a used GPU cluster is worth

https://ciphertalk.substack.com/p/nobody-knows-what-a-used-gpu-cluster
193•rbanffy•1w ago•176 comments

Codeberg Bans Cryptocurrency Projects

https://codeberg.org/Codeberg/org/pulls/1254
165•intunderflow•3h ago•204 comments

The startup's Postgres survival guide

https://hatchet.run/blog/postgres-survival-guide
342•abelanger•15h ago•175 comments

What Rose Petals Teach Us about Induction

https://www.oranlooney.com/post/rose-petals/
27•olooney•4d ago•2 comments

Any text-to-SQL benchmark should address difficulties of real-world data stores

https://cacm.acm.org/blogcacm/if-you-think-you-can-do-real-world-text-to-sql/
42•shenli3514•6h ago•13 comments

Businesses with ugly AI menu redesigns

https://blog.fiddery.com/businesses-with-ugly-ai-menu-redesigns/
210•speckx•15h ago•160 comments

Clarity didn't work, trying mysterianism (2012)

https://gwern.net/doc/fiction/science-fiction/2012-10-03-yvain-thewhisperingearring.html
52•dboon•9h ago•15 comments

Launch HN: Unlayer (YC W22) – Add email and document builders to your app

https://unlayer.com
47•adeelraza•12h ago•33 comments

Back to Kagi

https://blog.melashri.net/micro/back-to-kagi/
220•speckx•15h ago•170 comments

Ghost Cut – or why Cut and Paste is broken everywhere

https://ishmael.textualize.io/blog/ghost-cut/
141•willm•13h ago•94 comments

Taking OCaml and Eio for a Spin

https://mattjhall.co.uk/posts/taking-ocaml-eio-for-a-spin.html
44•mattjhall•2d ago•6 comments

I Inspected My Take-Home Interview Project. It Was a Whole Operation

https://citizendot.github.io/articles/fake-job-interview-git-hook-malware/
313•CITIZENDOT•7h ago•85 comments

All 253 Patterns from Christopher Alexander's a Pattern Language Summarized

https://claytondorge.com/patterns-list
35•toomuchtodo•6h ago•3 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!