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Have you tested the game? Jumping on the pipe after the koopa and goomba kills mario

rajangdavison Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents

I have been using your service for a few months… super easy to set up and use. I signed up after my bank would not let me process a payment to Hetzner :)

My use case was to play around with hermes. I was using it for a while but I didn’t like how it ended up (the whole set up became overran with files and was a mess, my fault).

I still haven’t 100% figured out how I may want to use the service again, but I thought it was super easy to set up.

My only feedback is that some connectors for google’s integration were kind of privacy nightmare the last time I checked.

Google’s API for using AI has abominable UI and set up.

It would be nice to be able to bridge the gap of simplifying Google’s AI/Service integration while not having to hand over access to every Google service I use.

rajangdavison Herdr is joining Y Combinator. The runtime stays open

I don’t know that this qualifies as enshitification… on one hand, the author created something that scratched his own itch, shared it, and now it’s become a tool that he wishes to steward into a way where he can make money.

I don’t know that these are terrible things inherently, it kind of depends if he wishes to extract as money as possible from his users by any means necessary or if he’s truly trying to scale it so it can help people. All we have is this article and infinite speculation.

I personally didn’t find herdr useful, so I have no stake in the direction of what the author decides to do with herdr.

rajangdavison Herdr is joining Y Combinator. The runtime stays open

Can't make money if people use your tool and are required to share their source code

rajangdavison Speculative Growth and the AI "Bubble" [pdf]

I have a hypothesis that the bubble in and of itself would not be so problematic if the United States was not in a war with Iran.

I am looking to test if there are several second order effects of rising oil prices and supply chain issues that can exacerbate financial contagion from an AI bubble (assuming we are in one) and, to the best of my understanding, it depends on what kind of mechanisms fail to contain the fall out.

I don't think it is reasonable to assume doom, but I would imagine there needs to be considerations from a much broader perspective as to discuss the possibility of 'a larger capital stock, higher wages, and a lower interest rate' that is paper is asserting.

I could be wrong (I am still trying to assess my hypothesis), but I am skeptical that the increased value/productivity from AI can overcome a rising cost of living if the war is sustained.

rajangdavison Show HN: @playbykey/theory - Music theory TypeScript engine and MCP server

Just out of curiosity, why are there no flat keys and ability to construct chords?

The website looks slick but I think from a functionality perspective, there is a lot lacking with this library. I am also not sure what the value of MCP is here.

Without flat keys (and double sharp/double flats), there is quite a bit of harmonic space that is omitted.

rajangdavison MiMo Code is now released and open-source

This is really strange, but the link provided has an iframe pointing to https://mimo.xiaomi.com/coder

When you look at the source, you can set it to English from the params https://mimo.xiaomi.com/coder?lang=en but there's a small bug, the hero subtitle isn't translated but everything else is.

Wondering why this is in an iframe.... so strange

rajangdavison Ghostty is leaving GitHub

Throwing out this idea, but would you ever consider making your own version of Github?

rajangdavison Resurrecting _why's Dream

Am I crazy or is this AI generated?

Parts like `No boilerplate, no imports, no build system. Just Ruby being Ruby.` and `The insight behind Shoes wasn't technical—it was emotional` seem to fit a pattern I frequently see in AI Generated output.

Even the structure of the blog post follows a pattern I see in AI generated text with the section of `Why This Matters`.

rajangdavison My article on why AI is great (or terrible) or how to use it

The more I use AI, the more I think about the book Fooled By Randomness.

AI can take you down a rabbit hole that makes you feel like you are being productive but the generated code can be a dead end because of how you framed the problem to the AI.

Engineers need enough discipline to understand the problems they are trying to solve before delegating a solution to a stochastic text generator.

I don’t always like using AI but have found it helpful in specific use cases such as speeding up CI test pipelines and writing spec; however, someone smarter than me/more familiar with the problem space may have better strategies that I cannot of think of, and I have been fooled by randomness.

rajangdavison T-Ruby is Ruby with syntax for types

This is really neat, thank you!

rajangdavison T-Ruby is Ruby with syntax for types

I have been programming with Ruby for 11 years with most of the time in a professional context. It's my favorite language :).

I don't care much for types, but it can be useful with denser libraries where IDE's can assist with writing code. It has been helpful in my professional life with regards to typed Python and Typescript.

One potential example that would be interesting is utilizing types for reflection for AI tool calling, the python library for Ollama already supports this[0].

It would make it easier to use such tools in a Ruby context and potentially enhance libraries like ruby-llm [1] and ollama-ruby [2].

[0] https://docs.ollama.com/capabilities/tool-calling#using-func...

[1] https://rubyllm.com/

[2] https://github.com/flori/ollama-ruby

rajangdavison T-Ruby is Ruby with syntax for types

If it is at all possible, it would be nice to have a little bit better support for metaprogramming namely around `define_method` and supplying a typed lambda or block for the dynamic method. I can see why this would be a pain to implement, so I don't expect it :).

Otherwise, I think in terms of typed Ruby, this is an incredible undertaking with very well written documentation. Thank you for making this library, I think there's a lot that the Ruby community can benefit from with it. Cheers!

rajangdavison M.C. Escher Prints Digitized and Put Online by the Boston Public Library

I've gotten a couple of posters and shirt from this store: https://mcescher.com/shop/

rajangdavison Show HN: I built website for sharing Drum Patterns

This is great, thanks for sharing.

rajangdavison How do I become a graphics programmer?

Where do you learn this stuff?

rajangdavison Recent adventures in performance optimization with Rust

I liked that the author included his thought process through out each change.

rajangdavison Vanjs

This is really neat! The API reminds me of mithril.js

https://mithril.js.org/

rajangdavison Ask HN: Most interesting tech you built for just yourself?

I made an app to control my pedalboard via WebMIDI

https://github.com/rajangdavis/macrocosm_js

Was inspired by some existing editors so I made my own and extended it to create macros for sending sysex/PC messages to multiple devices.

rajangdavison Ask HN: What's the coolest hacking story you've heard?

https://en.wikipedia.org/wiki/Stuxnet

rajangdavison Ask HN: What is your ChatGPT use case?

Writing workable Arduino code: https://youtu.be/dnrnOscJY2E

rajangdavison Precedent – Building Blocks for Next.js

I think this is pretty neat, my only feedback is that I'd like to see documentation on how to incorporate with an existing or new Next.js project.

rajangdavison ESP32-P4: High-performance MCU with IO-connectivity and security features

I looked through the docs and did a couple of google searches and found nothing, but what’s the story with using toit for a DIY MIDI controller using the ESP32?

rajangdavison Ask HN: Why did Frontend development explode in complexity?

To summarize my experience, state is hard, phones got introduced as a target, and browser code became fun to write.

Is the complexity artificially inflated? It depends on the app you want to make.

rajangdavison The Grinch Stealing the Future of Gen Y and Z

https://circle.tufts.edu/2022-election-center

But they did…

rajangdavison Dioxus: User interfaces that run anywhere

What’s the story surrounding cross platform MIDI support? I don’t expect it to be a priority but it’s something that I was looking into with Flutter/Dart, it would be killer to have.

rajangdavison Intel plans thousands of job cuts in face of PC slowdown

How does this work with the recent passing of the CHIPS Act? Aren't they supposed to be expanding their workforce?

rajangdavison Ask HN: What are examples of companies dying due to many people quitting?

There are dozens of us

rajangdavison Why React Re-Renders

When I checked it was 46MB! Looking at the network tab, it seems to be making a bunch of extra requests for the same assets.

I know that Vercel/Next.js will lazily load in certain JS chunks but there seems to be some mechanism that is loading a ton of stuff up front. Edit: from other comments in this thread, it's the sandbox code, really crazy how much overhead that adds to the page!

rajangdavison How I write React after 8 years

From my experience with React and Next.js, limiting the amount of dependencies can make things easier as far as updating React versions without being locked into an older major version because of a dependency.

I've been burned by a couple of libraries namely because they didn't handle hooks properly or were creating bugs that I couldn't understand.

The conclusion the author makes (only use libraries that are well maintained by a known team) is a pretty good heuristic for which libraries to choose.