Hacker News: jeffjeffbear

The Pacific Northwest Tree Octopus

jeffjeffbear — Thu, 29 Jan 2026 15:26:21 +0000

Article URL: https://zapatopi.net/treeoctopus/

Comments URL: https://news.ycombinator.com/item?id=46811453

Points: 2

# Comments: 0

New comment by jeffjeffbear in "The Anti-Hat Riots of 1973"

jeffjeffbear — Thu, 29 Jan 2026 15:19:09 +0000

Could be good as a modern version of https://zapatopi.net/treeoctopus/

Frankenwine: Multiple Personas in a Wine Process

jeffjeffbear — Sat, 24 Jan 2026 22:46:33 +0000

Article URL: https://nullprogram.com/blog/2026/01/19/

Comments URL: https://news.ycombinator.com/item?id=46748505

Points: 1

# Comments: 1

New comment by jeffjeffbear in "Show HN: The Hessian of tall-skinny networks is easy to invert"

jeffjeffbear — Thu, 15 Jan 2026 22:06:55 +0000

> just to be clear, semiseparate in this context means H = D + CC', where D is block diagonal and C is tall & skinny?

Not quite, it means any submatrix taken from the upper(lower) part of the matrix has some low rank. Like a matrix is {3,4}-semiseperable if any sub matrix taken from the lower triangular part has at most rank 3 and any submatrix taken from the upper triangular part has at most rank 4.

The inverse of an upper bidiagonal matrix is {0,1}-semiseperable.

There are a lot of fast algorithms if you know a matrix is semiseperable.

edit: link https://people.cs.kuleuven.be/~raf.vandebril/homepage/public...

New comment by jeffjeffbear in "Show HN: The Hessian of tall-skinny networks is easy to invert"

jeffjeffbear — Thu, 15 Jan 2026 21:53:33 +0000

I haven't looked into it in years, but would the inverse of a block bi-diagonal matrix have some semiseperable structure? Maybe that would be good to look into?

New comment by jeffjeffbear in "Gnome dev gives fans of Linux's middle-click paste the middle finger"

jeffjeffbear — Wed, 07 Jan 2026 14:30:36 +0000

> Haven't used Linux in forever, but middle-click to paste was like the one thing that consistently worked everywhere.

That's because it was an X11 thing, and everyone used X11.

New comment by jeffjeffbear in "Gnome dev gives fans of Linux's middle-click paste the middle finger"

jeffjeffbear — Wed, 07 Jan 2026 14:29:24 +0000

That is also the one good thing about Window's commandline, you use right click there to copy and paste which is nice. The rest sucks.

New comment by jeffjeffbear in "Representing Hierarchies"

jeffjeffbear — Wed, 07 Jan 2026 00:30:30 +0000

I don't really love this solution since it runs into all the usual linked list issues, and is only 'allocation free' in the sense that the pointers are allocated with the structure if doing the intrusive thing they are talking about. Using the std::vector of pointers approach isn't going to be using crazily more memory.

Myself, I like to just allocate a too big block and shove everything into that then deal with indicies into that array if I care about performance. you can even flatten the tree in a way to get better locality if you care about that.

New comment by jeffjeffbear in "Hierarchical Autoregressive Modeling for Memory-Efficient Language Generation"

jeffjeffbear — Wed, 07 Jan 2026 00:04:50 +0000

I would really like to see more testing with a deeper hierarchy and alpha and beta nonzero.

Web Browser Engineering

jeffjeffbear — Sun, 04 Jan 2026 17:13:16 +0000

Article URL: https://browser.engineering/

Comments URL: https://news.ycombinator.com/item?id=46489927

Points: 1

# Comments: 0

New comment by jeffjeffbear in "The Going Dark initiative or ProtectEU is a Chat Control 3.0 attempt"

jeffjeffbear — Mon, 22 Dec 2025 03:43:11 +0000

> I think it really depends on what kind of anime you’re talking about

Does it? If I draw a naked stick figure with boobs and say it is 14, is that morally wrong? At what point should a person care? Their point is that a drawing doesn't hurt people right?

New comment by jeffjeffbear in "History LLMs: Models trained exclusively on pre-1913 texts"

jeffjeffbear — Fri, 19 Dec 2025 00:07:58 +0000

They have some more details at https://github.com/DGoettlich/history-llms/blob/main/ranke-4...

Basically using GPT-5 and being careful

Understanding Encoder and Decoder LLMs

jeffjeffbear — Thu, 18 Dec 2025 23:47:01 +0000

Article URL: https://magazine.sebastianraschka.com/p/understanding-encoder-and-decoder

Comments URL: https://news.ycombinator.com/item?id=46320448

Points: 1

# Comments: 0

New comment by jeffjeffbear in "Please just try HTMX"

jeffjeffbear — Thu, 18 Dec 2025 23:39:56 +0000

I just don't like having to send HTML and have the backend deal with what are really frontend problems. Sending JSON is great since you can serialize most reasonable data types into it and then the backend has no responsibility for how it is rendered which helps for having mobile apps use the same backend as the website. Sending HTML just seems nuts since if you change your design you would have to change the backend too.

New comment by jeffjeffbear in "T5Gemma 2: The next generation of encoder-decoder models"

jeffjeffbear — Thu, 18 Dec 2025 23:35:33 +0000

> https://huggingface.co/google/t5gemma-2-1b-1b

From here it looks like it still is long context and multimodal though?

>Inputs and outputs Input:

Text string, such as a question, a prompt, or a document to be summarized

Images, normalized to 896 x 896 resolution and encoded to 256 tokens each

Total input context of 128K tokens Output:

Generated text in response to the input, such as an answer to a question, analysis of image content, or a summary of a document

Total output context up to 32K tokens

New comment by jeffjeffbear in "T5Gemma 2: The next generation of encoder-decoder models"

jeffjeffbear — Thu, 18 Dec 2025 21:11:06 +0000

Isn't finetuning the point of the T5 style models, since they perform better for smaller parameter counts?

New comment by jeffjeffbear in "We pwned X, Vercel, Cursor, and Discord through a supply-chain attack"

jeffjeffbear — Thu, 18 Dec 2025 20:48:03 +0000

You have control over what displays on a page with a discord.com domain, you could manipulate the dom to have a login or something else and have it pass the data to your servers. A user would just see a link from discord.com

New comment by jeffjeffbear in "Valve: HDMI Forum Continues to Block HDMI 2.1 for Linux"

jeffjeffbear — Wed, 10 Dec 2025 19:24:47 +0000

I don't think the fee to get access to the standard is generating much income for anyone. Most of what your talking about seems to be money made from licensing of the technology, right?

New comment by jeffjeffbear in "Replacing My Window Manager with Google Chrome"

jeffjeffbear — Mon, 01 Dec 2025 04:44:19 +0000

When I was younger I thought of replacing most of the OS with a browser since that is how I used it. but this is weird and not in a good way. Maybe using Firefox would feel better.

New comment by jeffjeffbear in "Migrating Dillo from GitHub"

jeffjeffbear — Mon, 01 Dec 2025 04:24:05 +0000

I run a math circle in my area, and use forgejo with kids for thier solutions in Latex and python, it works great for me, and is super easy to enforce logins and reset passwords.