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The New Skill in AI Is Not Prompting, It's Context Engineering

https://www.philschmid.de/context-engineering
54•robotswantdata•40m ago•11 comments

I write type-safe generic data structures in C

https://danielchasehooper.com/posts/typechecked-generic-c-data-structures/
162•todsacerdoti•4h ago•54 comments

The hidden JTAG in a Qualcomm/Snapdragon device’s USB port

https://www.linaro.org/blog/hidden-jtag-qualcomm-snapdragon-usb/
70•denysvitali•2h ago•13 comments

There are no new ideas in AI only new datasets

https://blog.jxmo.io/p/there-are-no-new-ideas-in-ai-only
214•bilsbie•6h ago•113 comments

The Original LZEXE (A.K.A. Kosinski) Compressor Source Code Has Been Released

https://clownacy.wordpress.com/2025/05/24/the-original-lzexe-a-k-a-kosinski-compressor-source-code-has-been-released/
11•elvis70•2h ago•3 comments

They don't make 'em like that any more: Sony DTC-700 audio DAT player/recorder

https://kevinboone.me/dtc-700.html
47•naves•3h ago•29 comments

Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken

https://github.com/M4THYOU/TokenDagger
220•matthewolfe•9h ago•61 comments

Xfinity using WiFi signals in your house to detect motion

https://www.xfinity.com/support/articles/wifi-motion
107•bearsyankees•2h ago•69 comments

Show HN: New Ensō – first public beta

https://untested.sonnet.io/notes/new-enso-first-public-beta/
193•rpastuszak•10h ago•75 comments

The provenance memory model for C

https://gustedt.wordpress.com/2025/06/30/the-provenance-memory-model-for-c/
184•HexDecOctBin•12h ago•93 comments

Donkey Kong Country 2 and Open Bus

https://jsgroth.dev/blog/posts/dkc2-open-bus/
172•colejohnson66•6h ago•40 comments

Ask HN: What Are You Working On? (June 2025)

340•david927•1d ago•1056 comments

Datadog's $65M/year customer mystery solved

https://blog.pragmaticengineer.com/datadog-65m-year-customer-mystery/
68•thunderbong•3h ago•14 comments

The Plot of the Phantom, a text adventure that took 40 years to finish

https://scottandrew.com/blog/2025/06/you-can-now-play-plot-of-the-phantom-the-text-adventure-game/
164•SeenNotHeard•3d ago•29 comments

14.ai (YC W24) hiring founding engineers in SF to build a Zendesk alternative

https://14.ai/careers
1•michaelfester•4h ago

Ask HN: 80s electronics book club; anyone remember this illustrator?

18•codpiece•2d ago•14 comments

Show HN: We're two coffee nerds who built an AI app to track beans and recipes

https://beanbook.app
14•rokeyzhang•2h ago•5 comments

Researching LED Displays for the Time Circuits

https://www.partsnotincluded.com/researching-time-circuit-led-displays/
15•edent•3d ago•5 comments

Ask HN: What's the 2025 stack for a self-hosted photo library with local AI?

102•jamesxv7•3h ago•53 comments

Entropy of a Mixture

https://cgad.ski/blog/entropy-of-a-mixture.html
4•cgadski•22m ago•0 comments

End of an Era

https://www.erasmatazz.com/personal/self/end-of-an-era.html
5•marcusestes•2h ago•0 comments

Jacobi Ellipsoid

https://en.wikipedia.org/wiki/Jacobi_ellipsoid
10•perihelions•2d ago•2 comments

Asynchronous Error Handling Is Hard

https://parallelprogrammer.substack.com/p/asynchronous-error-handling-is-hard
26•hedgehog•1d ago•20 comments

Printegrated Circuits: Merging 3D Printing and Electronics

https://spectrum.ieee.org/3d-printing-smart-objects
58•rbanffy•10h ago•20 comments

Reverse Engineering Vercel's BotID

https://www.nullpt.rs/reversing-botid
74•hazebooth•9h ago•11 comments

Auth for B2B SaaS: it's not like auth for consumer software

https://tesseral.com/blog/b2b-auth-isnt-that-similar-to-b2c-auth
61•noleary•6h ago•33 comments

New proof dramatically compresses space needed for computation

https://www.scientificamerican.com/article/new-proof-dramatically-compresses-space-needed-for-computation/
160•baruchel•3d ago•86 comments

Cloud-forming isoprene and terpenes from crops may drastically improve climate

https://www.smithsonianmag.com/science-nature/scientists-are-just-beginning-to-understand-how-life-makes-clouds-and-their-discoveries-may-drastically-improve-climate-science-180986872/
31•gsf_emergency_2•7h ago•24 comments

Show HN: Open-Source International Space Station Tracker ESP32/Arduino for $20

https://github.com/GuitarML/SpaceStationTracker
55•keyth72•3d ago•17 comments

Scribble-based forecasting and AI 2027

https://dynomight.net/scribbles/
48•venkii•5h ago•7 comments
Open in hackernews

Building my npx business card

https://ashley.dev/posts/turning-feedback-into-features/
8•edent•1mo ago

Comments

steele•1mo ago
Ooh, free real estate, let's colonize and gentrify package management
aabhay•1mo ago
Lmao, gentrify cracked me up
neilv•1mo ago
Do these npx business cards run arbitrary code on your computer?
cypherpunks01•1mo 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•1mo 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•1mo ago
Yeah, this seems like a very smart but inherently flawed idea.
cypherpunks01•1mo 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•1mo ago
May as well just release an executable tbh.
theamk•1mo 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•1mo 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•1mo 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."