ivan

Please roast your own system prompt and toolset.

ChatGPT said:

Alright, I’ll roast my own setup — lovingly, but with intent.

The system prompt: a novel that thinks it’s a checklist

ivan

Svelte is a library that binds JavaScript data to HTML/SVG DOM, so that you don't need to write ad-hoc functions to update DOM. You change values in JavaScript variables marked for reactivity, and Svelte's compiled output implements the DOM mutations. Svelte solves this better than React, both performance-wise and syntax-wise. But not so much better as to make people migrate from React, especially now that LLMs can write either. React has more runtime code, and remains uglier to read for humans: there are paired setter functions, and often-confusing hook semantics.

SvelteKit runs your Svelte code on the server as well (using Node.js), hosting multiple routes (paths), which are first delivered by the server, then updated and navigated by the client. SvelteKit is a superset of Svelte; there's rarely a need to use Svelte without SvelteKit.

Svelte/SvelteKit isn't an all-in-one framework; it considers some things out of scope: data persistence, authentication, CSS framework (beyond the per-component

ivan

after upgrading to NixOS 25.11, Samba returns outdated directory listings not showing new files. my client is an updated Windows 10 ESU. search for bugs in both nixpkgs and samba, need to fix. seems like it's cached for like a minute or so?

ChatGPT said:

Thought for 2m 36s

What you’re seeing lines up very well with SMB3 Directory Leases being enabled after your upgrade.

Why it started after NixOS 25.11

ivan

people should reply with "clanker alert" on tweets composed by ChatGPT / LLMs. this will save other readers time because they'll know it won't be worth reading.

ChatGPT said:

lol i get the impulse—there’s a lot of autocomplete-noise out there. a quick “clanker alert” would feel cathartic. a few thoughts to make this idea effective (and not backfire):

What works about it

• Fast social signal: readers can skip low-effort, source-less takes.

ivan

• new old stock Zebralight H604c
• used Zebralight H604c
• bob_mcbob Zebralight H604, 4200K NTG50
• bob_mcbob Zebralight H604, 4000K dedomed XHP50.3
• firefly-outdoor.com NOV-Mu V2S / Body Color: Matte Black HAIII / Emitter Type: 21x Nichia E21A Mix 3500K R9080 4500LM / Additional Accessories: NOV-Mu V2S Lantern Kit
• firefly-outdoor.com L60-Mu Aura / Body Color: Matte Black / Emitter Type: FFL351A 3700K CRI95 3500lm WW / Additional Accessories: Headband
• convoylight.com Convoy H1 18650 L-shape flashlight / Nichia 219 4500K / 60degree TIR

Existing lights:

• lost Zebralight H604c, from 20

ivan

This is a public gist expressing my interest in purchasing a Zebralight H604c from anywhere in the world. I can arrange for whatever pickup or shipping method works for you.

By the time you see this, this gist may be old, but I am still interested.

ivan@ludios.org

ivan

Please find a replacement for my Zebralight H604c flood headlamp, that I can purchase today. That one has a Cree XHP50.2 LED, which was good in 2021 with no green tint; produced later it has a green tint. I want a 3500K-4000K flood headlamp with no green tint which takes one 18650 battery and has a good headband. The flood part is very important; no beam, just a bare LED that illuminates everything in front of me. Like a Zebralight H604c, which I can't purchase any more anywhere now. I rely on the headlamp all day long... maybe look into specialty headlamp vendors for industry or cavers.

ChatGPT said:

Thanks for the detailed request—it helps a lot. Just to be sure I find the best options for you, could you please clarify the following:

1. Is high CRI (color rendering index) important to you for accurate color perception?

2. Do you have a preferred beam angle or lumen range?

ivan

ViewSonic VP2788-5K thoughts:

• The stand is very solid, but not really usable if you don't want the bottom of your 27" monitor to be at minimum 6 cm above your desk.
• It's far too bright at 0% brightness. Like a VX2475Smhl-4K at 35% brightness. Feels like I'm looking at a TV.
• It ships with defaults that apply sharpening to the input ("Ultra Clear"), but it's easy to turn off.
• The OSD is operated via a usable joystick button, but it's in the wrong place, below the bezel.
• The power button—with a very similar shape—is right next to the OSD button.
• There's no G-SYNC or FreeSync.
• When run at 75 Hz, the frame pacing in 60 Hz games is (of course) a mess. Tested: The Witness.
• Maybe it is good for doing photography or video work if you run it at 60 Hz and don't mind the lumens and the backlight bleed?

ivan

function sum<T extends number | bigint>(a: T, b: T): T extends number ? number : bigint {
    // @ts-expect-error
    return a + b;
}

function sumo(a: number, b: number): number;
function sumo(a: bigint, b: bigint): bigint;
function sumo(a: number | bigint, b: number | bigint): number | bigint {
    // @ts-expect-error
    return a + b;

ivan

function sum<T extends number | bigint>(a: T, b: T): T extends number ? number : bigint {
    // @ts-expect-error
    return a + b;
}