Hacker News: jhartikainen

New comment by jhartikainen in "Meta Ran Ads That Contained AI-Generated Child Sexual Abuse Imagery"

jhartikainen — Wed, 05 Aug 2026 21:32:54 +0000

Out of curiosity, I've ran some experiments on Facebook for stuff like this.

Results:

- Reporting a message does nothing no matter how much the content breaks their terms of use. 100% of messages I reported bounced back in a matter of minutes with "no action"

- However, using the "request another review" function, which is available after the initial "no action" response, actually seems to work. How quickly this works seems to vary, I've had actions taken as result of this from 1 day to multiple weeks.

New comment by jhartikainen in "That's Not What I Meant by 'Using AI'"

jhartikainen — Thu, 30 Jul 2026 19:09:19 +0000

Yeah, I'm kind of AI-negative, but I found this very well presented and thought out. I'm not convinced that the fix for AI-heavy workflows is a good harness or an established codebase, but it seems difficult to show it for certain at this point.

New comment by jhartikainen in "The Joy of Obsidian"

jhartikainen — Thu, 30 Jul 2026 17:33:18 +0000

I found out about Obsidian a couple years ago and it finally solved all the problems I've had with notetaking over the years. Something about how you use it to create notes and connect them together just makes sense. I can finally use the notes for something instead of just writing them once and then forgetting they exist because it was too complicated.

I think one underrated feature is its performance. Dealing with multiple notes in other tools I've used in the past was always a pain because using and managing them was so slow, or finding the right note was slow, etc.. Because of this, I would make singular large notes, which became completely useless in the long run. This is just a complete non-issue in Obsidian, everything just works so well.

That's Not What I Meant by 'Using AI'

jhartikainen — Thu, 30 Jul 2026 17:18:54 +0000

Article URL: https://mudlej.com/articles/ai-development-approaches/

Comments URL: https://news.ycombinator.com/item?id=49112906

Points: 2

# Comments: 2

New comment by jhartikainen in "Converting Files into Minecraft Worlds"

jhartikainen — Fri, 24 Jul 2026 10:42:57 +0000

This is pretty neat. I once had the idea of using Minecraft to represent filesystems. If you think of movies with "cyberspace" where they navigate files in a 3D space. So you would generate a world based on files and folders on your PC, which you could interact with. For example, folders would be buildings you enter, subfolders could be rooms, a particularly large file would appear as a large monolith, and a smaller file a small one, or something along those lines.

It would be painful for doing anything in practice, but would be kinda fun as an experiment maybe.

New comment by jhartikainen in "Another Taste of Verse [video]"

jhartikainen — Sat, 18 Jul 2026 12:12:50 +0000

As an Unreal Engine user, the discussion around Verse is curious. It feels like a lot of UE devs don't like the syntax at all, and would have much preferred a more traditional language. And then Epic announces they're getting rid of Blueprints, which causes further frustration with UE devs, because if you want a gameplay scripting layer instead of pure C++, now you're forced to use Verse.

Even as a Haskell enjoyer, Verse syntax looks kind of messy. I'm assuming with all the smart people designing it there must be some reason for it, but I've not seen it yet.

Still, I'm looking forwards to trying it if/when it actually lands in UE-proper. There are definitely a lot of interesting ideas in it.

GTFO VR Postmortem

jhartikainen — Fri, 17 Jul 2026 11:53:53 +0000

Article URL: https://dsprtn.dev/posts/GTFO-VR-Postmortem/

Comments URL: https://news.ycombinator.com/item?id=48946218

Points: 1

# Comments: 0

New comment by jhartikainen in "Good Tools Are Invisible"

jhartikainen — Sat, 11 Jul 2026 11:05:57 +0000

This is a very interesting idea, partially because I recently wrote about how Svelte is kind of "invisible" as a tool for writing webapps (compared to f.ex. React). Much like gingerBill says here, when I use Svelte the tool "disappears into the background", at least for me.

Something I was hoping this would discuss is why do good tools feel invisible? But doesn't seem like it really went into that.

New comment by jhartikainen in "My Story of 3D Realms / Apogee Part I (2020)"

jhartikainen — Fri, 10 Jul 2026 08:46:38 +0000

Darn, current 3DR took down the legacy site? Their CEO went on a big spiel a while back about how he's such a big fan of the "original" 3DR, and grew up on their games and whatnot, gave a pretty good impression. But taking the legacy site down gives an entirely opposite feeling about it...

Joe has been pretty cranky about current-3DR on his socials, I guess he was right about it.

New comment by jhartikainen in "Applied Category Theory Course (2018)"

jhartikainen — Sat, 04 Jul 2026 09:00:25 +0000

Not sure of your level, but as a beginner, these two were recommended to me on HN previously:

- https://www.cambridge.org/highereducation/books/conceptual-m...

- https://bartoszmilewski.com/2014/11/04/category-the-essence-... (a blog series on CT specifically for programmers)

New comment by jhartikainen in "Space Shuttle Endeavour's 20-story vertical display"

jhartikainen — Sun, 28 Jun 2026 07:51:06 +0000

I read the title and literally thought "Huh how did they fit that inside the shuttle?"

New comment by jhartikainen in "Nearly half of LG smart TV apps contain residential proxy SDKs"

jhartikainen — Tue, 23 Jun 2026 07:50:02 +0000

Good point, hadn't thought at all of this kind of perspective. Though the fact it's some dodgy residential proxy provider that runs this stuff makes me feel like it isn't going to become available for something good.

New comment by jhartikainen in "Soccer Arcade Games Through the Years"

jhartikainen — Sat, 20 Jun 2026 10:55:44 +0000

Not an arcade game but Nintendo World Cup on the NES is excellent fun even today. Its japan-only sequel takes it even further with crazy nonsense, like being able to jump on top of the ball and run around on it

New comment by jhartikainen in "Made a free macOS menu bar app that fixes typing in the wrong keyboard layout"

jhartikainen — Wed, 17 Jun 2026 22:04:00 +0000

Interesting, I would have expected macOS to have this feature because Windows has supported window-specific keyboard layouts for what feels like forever. I don't use my Mac much nowadays, but gonna have to grab this just in case.

New comment by jhartikainen in "Has AI already killed self-help nonfiction books?"

jhartikainen — Wed, 17 Jun 2026 07:55:17 +0000

I've read a bunch of what could be considered "self help" and while they often have a lot of fluff, they do have interesting points. Many of them reference actual research studies to back those points.

I just skip the motivational fluff and dig out the useful bits. Makes them very fast reads when you can skip majority of it.

The Developer's Cognitive Experience of Overcoming Confusion

jhartikainen — Tue, 16 Jun 2026 17:00:54 +0000

Article URL: https://arxiv.org/abs/2602.10540

Comments URL: https://news.ycombinator.com/item?id=48558335

Points: 2

# Comments: 0

New comment by jhartikainen in "Prove you're human by winning a claw machine"

jhartikainen — Mon, 15 Jun 2026 07:36:22 +0000

I think this purely as an idea is pretty fun, and there is value in that. But beyond the initial impressions it's exactly as you say. It's not different at all from others in how it will get annoying over time.

Accessibility is a big concern with all kinds of CAPTCHAs it seems. Even without any disabilities, I've seen some that I cannot solve because it's illegible.

New comment by jhartikainen in "Thoughts on People and Blogs"

jhartikainen — Fri, 22 May 2026 08:05:38 +0000

I was an avid GReader user and then lost all of the feeds when they closed down. I've been setting up miniflux lately, but the biggest problem is that over the years I've completely lost all blogs I used to follow (and many of them stopped writing anyway), so it's basically starting from zero. But it's already more interesting than trying to scourge Reddit for a non-marketingslop post to read.

I also configured it to fetch Hacker News with some filters to get rid of AI related posts, and it's actually a good way to follow this also.

New comment by jhartikainen in "Profunctor Equipment in Haskell"

jhartikainen — Mon, 18 May 2026 10:26:42 +0000

Articles like this always make me wonder "there could be something interesting about this", but they always assume I know more math (or something) than I do.

Does anyone write about these kinds of topics in a more approachable manner, or is the math just so inherent to this, that I need to learn that first? (And if so, what do I need to read to learn that?)

New comment by jhartikainen in "Show HN: TikTok but for Scientific Papers"

jhartikainen — Mon, 11 May 2026 17:45:57 +0000

In some ways I like the concept. Making interesting papers easier to find and easier to digest seems like a good thing.

But the popularity metrics and AI aspects seem like they will cause a bias towards certain types of papers, making potentially useful ones not get found.