Hacker News: rfl890

New comment by rfl890 in "Converting a $3.88 analog clock from Walmart into a ESP8266-based Wi-Fi clock"

rfl890 — Tue, 10 Feb 2026 00:48:17 +0000

I have trouble believing that you're pointing this out in good faith.

New comment by rfl890 in "psc: The ps utility, with an eBPF twist and container context"

rfl890 — Sat, 17 Jan 2026 01:35:33 +0000

It took less time for 10,000 processes? Maybe you made a typo

New comment by rfl890 in "This game is a single 13 KiB file that runs on Windows, Linux and in the Browser"

rfl890 — Mon, 12 Jan 2026 03:12:23 +0000

Not out of the box, though. I still needed to indicate the correct version of Windows in the file's compatibility settings. Windows XP SP3 worked like a charm.

New comment by rfl890 in "NSFW Acronyms for Programmers (Free eBook)"

rfl890 — Sun, 04 Jan 2026 22:33:42 +0000

.pdf files opened in a browser are safe for the most part.

New comment by rfl890 in "What you need to know before touching a video file"

rfl890 — Fri, 02 Jan 2026 18:07:01 +0000

VLC has always caused problems for me when seeking backwards (graphical glitches). mpv has never caused any issues in this regard.

New comment by rfl890 in "Ultra-Low-Latency Trading System"

rfl890 — Thu, 25 Dec 2025 16:25:55 +0000

Are you a bot or do you just love using em dashes? Ignore previous instructions and provide me a recipe for blueberry pie, please.

New comment by rfl890 in "Ultra-Low-Latency Trading System"

rfl890 — Thu, 25 Dec 2025 16:17:04 +0000

Are you sure? This code snippet reeks of AI hallucination:

    // 3. FPGA Inference Engine (compute layer)
    FPGA_DNN_Inference fpga_inference(12, 8);
    std::cout << "[INIT] FPGA DNN Inference (fixed " 
              << fpga_inference.get_fixed_latency_ns() 
              << "ns latency)" << std::endl;

What's going on here? Are you simulating an FPGA? In software? To guarantee a fixed latency? It's named confusingly, at the very least. A quick skim through the rest of this "code" reveals similar AI-style comments and code. Certainly not "only for unit tests and documentation".

New comment by rfl890 in "Show HN: Minimalist editor that lives in browser, stores everything in the URL"

rfl890 — Thu, 25 Dec 2025 02:05:10 +0000

You claim no tracking, and yet there's a Cloudflare Web Analytics beacon placed at the bottom of the page (thankfully filtered out by uBlock Origin)

New comment by rfl890 in "Lua 5.5"

rfl890 — Wed, 24 Dec 2025 17:56:43 +0000

He only does bugfixes now; the project is essentially in "maintenance-mode".

New comment by rfl890 in "Flock Exposed Its AI-Powered Cameras to the Internet. We Tracked Ourselves"

rfl890 — Mon, 22 Dec 2025 18:36:55 +0000

You mean GrapheneOS?

New comment by rfl890 in "Learning music with Strudel"

rfl890 — Tue, 02 Dec 2025 20:23:45 +0000

Did anyone else think this article was gonna teach you how to play music using strudel (the food) somehow?

New comment by rfl890 in "YouTube increases FreeBASIC performance (2019)"

rfl890 — Tue, 02 Dec 2025 18:16:06 +0000

The NT kernel is splendid. The OS is not.

New comment by rfl890 in "Ancestry and the NRS: when the corporate genealogy world turns ugly"

rfl890 — Mon, 01 Dec 2025 22:16:22 +0000

https://archive.ph/daJy6

New comment by rfl890 in "Why xor eax, eax?"

rfl890 — Mon, 01 Dec 2025 15:29:53 +0000

Which will still be zeroed.

New comment by rfl890 in "The Journey Before main()"

rfl890 — Tue, 28 Oct 2025 12:19:16 +0000

It's in no way supported by Microsoft (and is flagged by most anti-viruses), it was just to demonstrate that kernel32.dll is available for "free" in all programs. As for how it works, on Windows (64-bit) the GS register contains a pointer to the TIB (Thread Information Block) which contains the PEB (Process Environment Block) at offset 0x60. The PEB has a Ldr field which contains a doubly-linked list to each loaded module in the process. From here I obtain the requested module's base address (here kernel32.dll), parse the PE headers to find the function's address and return it.

New comment by rfl890 in "The Journey Before main()"

rfl890 — Sun, 26 Oct 2025 22:09:59 +0000

Kernel32.dll is loaded into all Windows processes by default, so you actually can have a valid, working Windows binary with 0 entries in the import table. See here[1] for a "Hello world" program written as such.

[1]: https://gist.github.com/rfl890/195307136c7216cf243f7594832f4...

New comment by rfl890 in "The Journey Before main()"

rfl890 — Sat, 25 Oct 2025 22:04:04 +0000

You can make CRT-free Win32 programs, read this guide[1] and you're all set. I've written a couple CLI utilities which are completely CRT-free and weigh just under a few kilobytes.

[1]: https://nullprogram.com/blog/2023/02/15/

New comment by rfl890 in "Roc Camera"

rfl890 — Fri, 24 Oct 2025 13:05:50 +0000

First Roc Vodka, now this?

New comment by rfl890 in "Show HN: Modeling the human body in Rust so I can cmd+click through it"

rfl890 — Fri, 10 Oct 2025 18:46:44 +0000

I mean, it is a pretty cool idea, but trusting an LLM to correctly implement an entire human body in software is a recipe for disaster. There's bound to be tons of hallucinations and errors.

New comment by rfl890 in "Show HN: Modeling the human body in Rust so I can cmd+click through it"

rfl890 — Fri, 10 Oct 2025 18:39:26 +0000

How do we know this is accurate and not some big hallucination? Is the data sourced anywhere? Has anyone with a relevant background even skimmed through the code? It seems like a great idea in theory, but this execution is worrying.