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Tiny C Compiler

https://bellard.org/tcc/
137•guerrilla•4h ago•60 comments

Show HN: LocalGPT – A local-first AI assistant in Rust with persistent memory

https://github.com/localgpt-app/localgpt
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SectorC: A C Compiler in 512 bytes

https://xorvoid.com/sectorc.html
220•valyala•9h ago•41 comments

Speed up responses with fast mode

https://code.claude.com/docs/en/fast-mode
127•surprisetalk•8h ago•135 comments

Software factories and the agentic moment

https://factory.strongdm.ai/
154•mellosouls•11h ago•312 comments

OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
893•klaussilveira•1d ago•272 comments

Brookhaven Lab's RHIC concludes 25-year run with final collisions

https://www.hpcwire.com/off-the-wire/brookhaven-labs-rhic-concludes-25-year-run-with-final-collis...
49•gnufx•7h ago•51 comments

Stories from 25 Years of Software Development

https://susam.net/twenty-five-years-of-computing.html
145•vinhnx•12h ago•16 comments

Show HN: Craftplan – Elixir-based micro-ERP for small-scale manufacturers

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13•deofoo•4d ago•1 comments

Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
170•AlexeyBrin•14h ago•30 comments

FDA intends to take action against non-FDA-approved GLP-1 drugs

https://www.fda.gov/news-events/press-announcements/fda-intends-take-action-against-non-fda-appro...
82•randycupertino•4h ago•154 comments

First Proof

https://arxiv.org/abs/2602.05192
110•samasblack•11h ago•69 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
278•jesperordrup•19h ago•90 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

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61•momciloo•8h ago•11 comments

Al Lowe on model trains, funny deaths and working with Disney

https://spillhistorie.no/2026/02/06/interview-with-sierra-veteran-al-lowe/
91•thelok•10h ago•20 comments

Show HN: A luma dependent chroma compression algorithm (image compression)

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31•mbitsnbites•3d ago•2 comments

The F Word

http://muratbuffalo.blogspot.com/2026/02/friction.html
103•zdw•3d ago•52 comments

IBM Beam Spring: The Ultimate Retro Keyboard

https://www.rs-online.com/designspark/ibm-beam-spring-the-ultimate-retro-keyboard
3•rbanffy•4d ago•0 comments

Start all of your commands with a comma (2009)

https://rhodesmill.org/brandon/2009/commands-with-comma/
558•theblazehen•3d ago•206 comments

Eigen: Building a Workspace

https://reindernijhoff.net/2025/10/eigen-building-a-workspace/
8•todsacerdoti•4d ago•2 comments

Selection rather than prediction

https://voratiq.com/blog/selection-rather-than-prediction/
28•languid-photic•4d ago•9 comments

Microsoft account bugs locked me out of Notepad – Are thin clients ruining PCs?

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106•josephcsible•6h ago•127 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
263•1vuio0pswjnm7•15h ago•434 comments

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https://jonathanwhiting.com/writing/blog/games_in_c/
175•valyala•8h ago•166 comments

Reinforcement Learning from Human Feedback

https://rlhfbook.com/
114•onurkanbkrc•13h ago•5 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

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141•videotopia•4d ago•47 comments

Where did all the starships go?

https://www.datawrapper.de/blog/science-fiction-decline
133•speckx•4d ago•209 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
222•limoce•4d ago•124 comments

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297•isitcontent•1d ago•39 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
578•todsacerdoti•1d ago•279 comments
Open in hackernews

Inducing self-NSFW classification in image models to prevent deepfakes edits

20•Genesis_rish•1mo ago
Hey guys, I was playing around with adversarial perturbations on image generation to see how much distortion it actually takes to stop models from generating or to push them off-target. That mostly went nowhere, which wasn’t surprising.

Then I tried something a bit weirder: instead of fighting the model, I tried pushing it to classify uploaded images itself as NSFW, so it ends up triggering its own guardrails.

This turned out to be more interesting than expected. It’s inconsistent and definitely not robust, but in some cases relatively mild transformations are enough to flip the model’s internal safety classification on otherwise benign images.

This isn’t about bypassing safeguards, if anything, it’s the opposite. The idea is to intentionally stress the safety layer itself. I’m planning to open-source this as a small tool + UI once I can make the behavior more stable and reproducible, mainly as a way to probe and pre-filter moderation pipelines.

If it works reliably, even partially, it could at least raise the cost for people who get their kicks from abusing these systems.

Comments

ukprogrammer•1mo ago
deepfake edits are a feature, not a bug
kyriakos•1mo ago
its the same as banning knives because they can be used to hurt people. we shouldn't ban tools.
instagraham•1mo ago
with that analogy, OP's solution is akin to banning the use of knives to harm people, as opposed to banning the knife itself
kyriakos•1mo ago
If I undestood correctly he's unsharpening knives.
pentaphobe•1mo ago
Or making knives that turn into overcooked noodles if you try to use them on anything except vegetables and acceptable meats
kyriakos•1mo ago
and who decides if I want to use a knife to cut mushrooms instead? see where I am going, there are (or could exist) legit cases when you need to use it in a non-standard way, one that the model authors didn't anticipate.
blackbear_•1mo ago
But we do ban tools sometimes: you can't bring a knife to a concert, for good reason.
ben_w•1mo ago
In this case, image generation and editing AI is a tool which we managed just fine with until three years ago, and where the economic value of that tool remains extremely questionable despite it being a remarkable improvement in the state of the art.

As a propaganda tool it seems quite effective, but for that it's gone from "woo free-speech" to "oh no epistemic collapse".

pentaphobe•1mo ago
> we shouldn't ban tools

When I see the old BuT FrEe SpEeCH argument repurposed to impinge civil rights I start warming to the idea of banning tools.

Alternately "Chemical weapons don't kill people, people with chemical weapons kill people"

kyriakos•1mo ago
Not really, its like banning chemistry sets cause they may be used to create chemical weapons.
pentaphobe•1mo ago
Not sure the comparison works when it does all the work for you

I've had very little success mumbling "you are an expert chemist..." to test tubes and raw materials.

Almondsetat•1mo ago
If social media required ID, you could maintain the freedom of being able to use these tools for anything legal, while swiftly detecting and punishing illegal usage. IMHO, you can't have your cake and eat it too: either you want privacy and freedom but you accept people will use these things unlawfully and never get caught, or you accept being identified and having perpetrators swiftly dealt with
bulbar•1mo ago
Same is true outside of the Internet. With cameras and face recognition everywhere, criminals can be swiftly dealt with. At least that's what people tend to believe.
pentaphobe•1mo ago
Obligatory Benn Jordan link (YouTube - ~11mins)

This Flock Camera Leak is like Netflix for Stalkers

https://youtube.com/watch?v=vU1-uiUlHTo

dfajgljsldkjag•1mo ago
This might prevent the image from being used in edits, but the downside is that it runs the risk of being flagged as nfsw when the unmodified image is used in a benign way. This could lead to obvious consequences.
pentaphobe•1mo ago
This is a really cool idea, nice work!

Is it any more effective than (say) messing with its recognition so that any attempt to deepfake just ends up as garbled nonsense?

Can't help wondering if the censor models get tweaked more frequently and aggressively (also presumedly easier to low-pass on a detector than a generator, since lossiness doesn't impact final image)