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Category Theory Illustrated – Orders

https://abuseofnotation.github.io/category-theory-illustrated/04_order/
53•boris_m•2h ago•11 comments

Amiga Graphics

https://amiga.lychesis.net/
42•sph•2h ago•1 comments

Claude Design

https://www.anthropic.com/news/claude-design-anthropic-labs
1034•meetpateltech•18h ago•672 comments

Show HN: I made a calculator that works over disjoint sets of intervals

https://victorpoughon.github.io/interval-calculator/
141•fouronnes3•7h ago•22 comments

Measuring Claude 4.7's tokenizer costs

https://www.claudecodecamp.com/p/i-measured-claude-4-7-s-new-tokenizer-here-s-what-it-costs-you
604•aray07•17h ago•430 comments

Towards trust in Emacs

https://eshelyaron.com/posts/2026-04-15-towards-trust-in-emacs.html
102•eshelyaron•2d ago•12 comments

The simple geometry behind any road

https://sandboxspirit.com/blog/simple-geometry-of-roads/
19•azhenley•2d ago•4 comments

All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018)

https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/The_toxic_side_of_the_Moon
329•cybermango•14h ago•191 comments

Spending 3 months coding by hand

https://miguelconner.substack.com/p/im-coding-by-hand
205•evakhoury•16h ago•203 comments

It is incorrect to "normalize" // in HTTP URL paths

https://runxiyu.org/comp/doubleslash/
25•pabs3•3h ago•14 comments

Rewriting Every Syscall in a Linux Binary at Load Time

https://amitlimaye1.substack.com/p/rewriting-every-syscall-in-a-linux
40•riteshnoronha16•4d ago•14 comments

A simplified model of Fil-C

https://www.corsix.org/content/simplified-model-of-fil-c
173•aw1621107•11h ago•93 comments

Are the costs of AI agents also rising exponentially? (2025)

https://www.tobyord.com/writing/hourly-costs-for-ai-agents
197•louiereederson•2d ago•51 comments

Brunost: The Nynorsk Programming Language

https://lindbakk.com/blog/introducing-brunost
61•atomfinger•4d ago•23 comments

Show HN: Smol machines – subsecond coldstart, portable virtual machines

https://github.com/smol-machines/smolvm
326•binsquare•15h ago•100 comments

Slop Cop

https://awnist.com/slop-cop
173•ericHosick•17h ago•104 comments

Show HN: PanicLock – Close your MacBook lid disable TouchID –> password unlock

https://github.com/paniclock/paniclock/
188•seanieb•16h ago•81 comments

"cat readme.txt" is not safe if you use iTerm2

https://blog.calif.io/p/mad-bugs-even-cat-readmetxt-is-not
178•arkadiyt•14h ago•98 comments

Hyperscalers have already outspent most famous US megaprojects

https://twitter.com/finmoorhouse/status/2044933442236776794
188•nowflux•16h ago•154 comments

Middle schooler finds coin from Troy in Berlin

https://www.thehistoryblog.com/archives/75848
229•speckx•18h ago•107 comments

NASA Force

https://nasaforce.gov/
270•LorenDB•17h ago•266 comments

Landmark ancient-genome study shows surprise acceleration of human evolution

https://www.nature.com/articles/d41586-026-01204-5
77•unsuspecting•10h ago•62 comments

Michael Rabin Has Died

https://en.wikipedia.org/wiki/Michael_O._Rabin
14•tkhattra•2d ago•0 comments

NIST gives up enriching most CVEs

https://risky.biz/risky-bulletin-nist-gives-up-enriching-most-cves/
200•mooreds•18h ago•51 comments

Casus Belli Engineering

https://marcosmagueta.com/blog/casus-belli-engineering/
37•b-man•7h ago•8 comments

Making Wax Sealed Letters at Scale

https://waxletter.com/
17•hjconstas•2d ago•12 comments

Introducing: ShaderPad

https://rileyjshaw.com/blog/introducing-shaderpad/
92•evakhoury•2d ago•18 comments

The Unix executable as a Smalltalk method (2025) [video]

https://www.youtube.com/watch?v=sZjPQ7vtLNA
53•surprisetalk•1d ago•3 comments

Arc Prize Foundation (YC W26) Is Hiring a Platform Engineer for ARC-AGI-4

https://www.ycombinator.com/companies/arc-prize-foundation/jobs/AKZRZDN-platform-engineer-benchma...
1•gkamradt_•12h ago

The GNU libc atanh is correctly rounded

https://inria.hal.science/hal-05591661
90•matt_d•3d ago•20 comments
Open in hackernews

Building my npx business card

https://ashley.dev/posts/turning-feedback-into-features/
8•edent•11mo ago

Comments

steele•11mo ago
Ooh, free real estate, let's colonize and gentrify package management
aabhay•11mo ago
Lmao, gentrify cracked me up
neilv•11mo ago
Do these npx business cards run arbitrary code on your computer?
cypherpunks01•11mo ago
npx

Run a command from a local or remote npm package

Description

This command allows you to run an arbitrary command from an npm package (either one installed locally, or fetched remotely), in a similar context as running it via npm run.

neilv•11mo ago
Yes, then is a "command from an npm package" arbitrary code?

And what is this "similar context as running it via npm run"?

Would it be better to answer the question directly?

joshka•11mo ago
Yeah, this seems like a very smart but inherently flawed idea.
cypherpunks01•11mo ago
Yes I agree! OSS package management ecosystems are a great idea, but allowing submissions without any review or vetting is just asking for supply chain attacks.
Xss3•11mo ago
May as well just release an executable tbh.
theamk•11mo ago
Reminds me of JAPH [0] - a tiny Perl program that was used in email/newsgroup signature to give it personal touch.

[0] https://www.perlmonks.org/?node_id=412464

watusername•11mo ago
Terminal business cards are a nice idea, but RCE business cards are just asking for trouble. Instead of npx, what happened to good'ol curl? Something like

$ curl ashley.dev

Some decades ago, we had finger (https://en.wikipedia.org/wiki/Finger_%28protocol%29) which is designed for this very use case. Sadly it's no longer installed by default with most distros:

$ finger @ashley.dev

queezey•11mo ago
This would be a great advertisement for security consulting.

"I was just able to run arbitrary code on your computer. Here is a sample of your recent browser history. Let me tell you help you mitigate your security vulnerabilities."