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Async Rust never left the MVP state

https://tweedegolf.nl/en/blog/237/async-rust-never-left-the-mvp-state
155•pjmlp•3h ago•78 comments

Should I Run Plain Docker Compose in Production in 2026?

https://distr.sh/blog/running-docker-in-production/
40•pmig•4d ago•18 comments

Bun is being ported from Zig to Rust

https://github.com/oven-sh/bun/commit/46d3bc29f270fa881dd5730ef1549e88407701a5
526•SergeAx•9h ago•372 comments

Empty Screenings – Finds AMC movie screenings with few or no tickets sold

https://walzr.com/empty-screenings
156•MrBuddyCasino•6h ago•125 comments

Lessons for Agentic Coding: What should we do when code is cheap?

https://www.dbreunig.com/2026/05/04/10-lessons-for-agentic-coding.html
66•ingve•3h ago•54 comments

Hand Drawn QR Codes

https://sethmlarson.dev/hand-drawn-qr-codes
116•jollyjerry•6h ago•21 comments

Google Chrome silently installs a 4 GB AI model on your device without consent

https://www.thatprivacyguy.com/blog/chrome-silent-nano-install/
255•john-doe•3h ago•264 comments

How OpenAI delivers low-latency voice AI at scale

https://openai.com/index/delivering-low-latency-voice-ai-at-scale/
410•Sean-Der•14h ago•128 comments

CVE-2026-31431: Copy Fail vs. rootless containers

https://www.dragonsreach.it/2026/05/04/cve-2026-31431-copy-fail-rootless-containers/
110•averi•6h ago•45 comments

Train Your Own LLM from Scratch

https://github.com/angelos-p/llm-from-scratch
265•kristianpaul•6h ago•29 comments

Farewell to a Giant of Botany

https://nautil.us/farewell-to-a-giant-of-botany-1280409
31•Brajeshwar•2d ago•0 comments

Mouse Pointer as a Mere Mortal

https://unsung.aresluna.org/mouse-pointer-as-a-mere-mortal/
22•zdw•2d ago•6 comments

Agent Skills

https://addyosmani.com/blog/agent-skills/
261•BOOSTERHIDROGEN•12h ago•121 comments

Why I Created phpc.tv

https://afilina.com/why-phpc-tv
23•luu•1d ago•3 comments

The Frog for Whom the Bell Tolls

https://sethmlarson.dev/the-frog-for-whom-the-bell-tolls
12•anujbans•3h ago•4 comments

Does Employment Slow Cognitive Decline? Evidence from Labor Market Shocks

https://www.nber.org/papers/w35117
293•littlexsparkee•19h ago•274 comments

Gap between national food production and food-based dietary guidance (2025)

https://www.nature.com/articles/s43016-025-01173-4
63•simonebrunozzi•21h ago•41 comments

Securing a DoD contractor: Finding a multi-tenant authorization vulnerability

https://www.strix.ai/blog/how-strix-found-zero-auth-vulnerability-dod-backed-startup
198•bearsyankees•16h ago•81 comments

pgxbackup: Continuity Support for pgBackRest

https://thebuild.com/blog/2026/05/01/pgxbackup-continuity-support-for-pgbackrest/
56•Wingy•2d ago•9 comments

Redis array: short story of a long development process

https://antirez.com/news/164
285•antirez•20h ago•99 comments

When networking doesn't work

https://www.os2museum.com/wp/when-networking-doesnt-work/
65•kencausey•13h ago•11 comments

Setting up server monitoring for a Rails app on Hatchbox

https://blog.appsignal.com/2026/04/30/setting-up-server-monitoring-for-a-rails-app-on-hatchbox.html
4•andreigaspar•1d ago•1 comments

Formatting a 25M-line codebase overnight

https://stripe.dev/blog/formatting-an-entire-25-million-line-codebase-overnight-the-rubyfmt-story
168•r00k•14h ago•86 comments

Talking to strangers at the gym

https://thienantran.com/talking-to-35-strangers-at-the-gym/
1366•thitran•22h ago•652 comments

2-D Mathematical Curves

https://www.2dcurves.com/
33•the-mitr•6h ago•2 comments

Kids bypass age verification with fake moustaches

https://www.theregister.com/2026/05/04/uk_online_safety_act_age_checks_subvert/
108•dreadsword•6h ago•68 comments

Biscuit

https://github.com/yattsu/biscuit
52•unixfg•7h ago•3 comments

1966 Ford Mustang Converted into a Tesla with Working 'Full Self-Driving'

https://electrek.co/2026/05/02/tesla-1966-mustang-ev-conversion-full-self-driving/
173•Brajeshwar•19h ago•129 comments

Testing Mac OS on the Apple Network Server 2.0 ROMs

http://oldvcr.blogspot.com/2026/05/testing-macos-on-apple-network-server.html
86•zdw•1d ago•17 comments

Let's talk about LLMs

https://www.b-list.org/weblog/2026/apr/09/llms/
161•cdrnsf•17h ago•141 comments
Open in hackernews

Parametric Modeling with Grasshopper

https://baharmon.github.io/basics
40•downboots•12mo ago

Comments

ddkto•12mo ago
It’s hard to believe this is the first time I’ve seen Grasshopper on HN!

Just this morning, a colleague showed me a web app for building option exploration that he had vibe coded on Replit that wrapped around existing core logic in a Grasshopper script hosted in RhinoCompute [1].

The combination of visual programming, the tree data structure and Rhino’s geometry engine has made this the de facto standard for parametric design in architecture (sorry, Dynamo…)

[1] https://github.com/mcneel/compute.rhino3d

downboots•12mo ago
Similar interface idea echoed:

Unity

https://game-ace.com/wp-content/uploads/2020/04/Bolt5.gif

Blender

https://blenderartists.org/uploads/default/original/4X/3/0/c...

Chemcad

https://img.informer.com/screenshots/3390/3390423_1.gif

Even KiCad if we stretch the analogy

Would be good to see this for general programs, or with modular AI agents, or for ODE compartment models.

Also of note: https://worrydream.com/ExplorableExplanations

FormFollowsFunc•12mo ago
Am I wrong in thinking that Grasshopper is procedural modeling and not parametric modeling? Parametric modeing is used in software like Solid Works where you don’t have nodes but have parameters, a constraint system and construction history. Solid Works was developed in the 90s while Grasshopper came out in 2007. Another is example is Pro/Engineer from Parametric Technology Company (PTC) which came out in 1988. Patrik Schumacher, an architect coined the term parametricism in 2008. His employees created node graphs in Grasshopper while he just tweaked the parameters. I wonder if that’s why he came up with the term. Grasshopper has parameters but what makes it different from industrial design CAD is that you construct geometry with a series of nodes i.e. a procedure.
Duanemclemore•12mo ago
Grasshopper doesn't have to be used strictly "procedurally" as you can reference in geometry from Rhino. However, some of us try to work as procedurally as possible - creating everything strictly within Grasshopper if at all possible. It -is- also possible to use it as a very strong parametric design tool. There is no looping exposed to the user in a normal gh script - but used in the way I think is best, you're always applying conditional logic to make the data and operations do what you want.

A quick example - you can use what are called gates and filters in Grasshopper, so you can do things like route faces that meet some criterion you've set through one set of operations and those which don't through another. Then you can use pattern matching or other operations to weave the data back together in the proper order...

dmos62•12mo ago
You seem insightful on this subject. What other parametric design tools, techniques or technologies do you consider noteworthy?
Duanemclemore•12mo ago
Hey, I'm not used to feeling "seen" on HN! Architect, architecture professor, and computational designer here. This is a great first intro to Grasshopper. The links he provides near the top are next steps for those interested in more.

I've found that it opens computational design and programming more broadly up to a broader audience. It has found huge purchase in architecture specifically. I would say this is as much cultural as technical, as architects generally are less rigorously systematic and more global in their thought processes. As people who work largely in the visual domain we are also "visual learners" so to speak.

I first started dipping my toe into Grasshopper in about 2010, and feel that I was fairly expert by about 2015. SHAMELESS PLUG [0]. I've used it at a high level since, and taught it extensively.

Most users - almost all for a very long time - used it primarily as a tool to create, draw, and fabricate more crazier geometry easier. And it is certainly good for that. But in using it - and especially in teaching it - I also find that it is excellent to demystify the design process in ways that folks like programmers instinctively understand. That is you have to be able to break complex problems down to a series of atomically small operations, then build those back up to sophisticated outcomes.

Maybe the most valuable aspect of this - both in my practice and teaching - is understanding how to work both as procedurally and parametrically as possible (I'll put more about this under the comment to that end that's already been posted). Many, if not most, of our jewelry pieces are standalone grasshopper files which reference no outside data at all.

Anyway - I have much, much more I could say about: its use in architecture, design, and education; its relation to learning to think and create a rigorous and flexible design process; and more. But it's great to see it here!

[0] Since 2015 my partner and I have run jewelry company X Over Zero - https://xover0.com/ . All of our designs start as my mathematical and geometric explorations, coded in Grasshopper.

p.s. Incidentally I'm also based in the deep south like Mr. Harmon. And - although we must know people in common, sadly this is the first time he's hitting my radar. I'll be emailing him by the end of the night. Thank you OP for bringing him and his work to my attention!

Duanemclemore•12mo ago
If you want to check out the motherlode of other visual programming languages, platforms, etc check out Ivan Reese's Visual Programming Codex.

https://github.com/ivanreese/visual-programming-codex

https://github.com/ivanreese/visual-programming-codex/blob/m...

Although I'm going to have to create a pull request because he doesn't have Flowgorithm on there, which is an excellent tool for teaching the very very first steps of learning to program...

http://flowgorithm.org/

Terrible name, wonderful tool.

msds•12mo ago
It’s fun seeing an uptick of rhino/grasshopper content here lately - two articles in a week?! The McNeel extended universe is a fun place to play around in, and I’ve met lots of great people since I started working on Rhino.
jazzyjackson•12mo ago
Grasshopper is dope. Years ago I used it to pipe in skeleton and RGB mesh data from a Microsoft Kinect and then sent Open Sound Control packets to Pd-extended to trigger sound events with my body. Really great for general purpose event oriented programming

https://youtu.be/VOu3waxAYDw