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Show HN: Makefiles, Metalanguages, Matrioshka Automata

https://robot-wranglers.github.io/compose.mk/
1•robot-wrangler•48s ago•0 comments

A Battle with My Blood – Tatiana Schlossberg

https://www.newyorker.com/culture/the-weekend-essay/a-battle-with-my-blood
1•pseudolus•57s ago•1 comments

Jailbreaking LLMs via Game-Theory Scenarios

https://arxiv.org/abs/2511.16278
1•belter•4m ago•0 comments

Call Center Lion Air Medan

1•Niggah_Bash•5m ago•0 comments

Internet Protocol over Avian Carriers (1990)

https://www.rfc-editor.org/rfc/rfc1149
1•wmichelin•6m ago•1 comments

Show HN: Bindu – an auth, payment, and communication layer for AI agents

https://github.com/GetBindu/Bindu
1•ai_biden•7m ago•0 comments

73% of AI startups are just prompt engineering

https://pub.towardsai.net/i-reverse-engineered-200-ai-startups-73-are-lying-a8610acab0d3
2•kllrnohj•8m ago•0 comments

Metrik – Real-time LLM latency for voice agents and free API

https://metrik-dashboard.vercel.app/
1•mbouassa•9m ago•1 comments

Show HN: Jabcode Studio, high-density QR-like 2D barcodes for sharing files

https://jabcode.studio
1•jabber-feller•11m ago•1 comments

Show HN: AI Factor Model Stock Screener

https://sophistia.ai
1•valeagent•11m ago•0 comments

Bagaimana Cara Menghubungi AirAsia Indonesia

1•Niggah_Bash•11m ago•0 comments

Paris court blocks auction of earliest-known calculator

https://www.bbc.com/news/articles/c2kpkq90ygno
1•pseudolus•13m ago•1 comments

Mount Proton Drive on Linux using rclone and systemd

https://github.com/dadtronics/protondrive-linux
1•cf100clunk•14m ago•0 comments

Full-Time Work Is Increasing Among Married Moms

https://ifstudies.org/blog/full-time-work-is-increasing-among-married-moms
1•skx001•17m ago•0 comments

BOM's new boss asked to examine $96.5M bill for website redesign

https://www.abc.net.au/news/2025-11-23/bureau-of-meteorology-new-website-cost-blowout-to-96-milli...
1•NvrBeenToAus•19m ago•1 comments

We stopped roadmap work for a week and fixed 189 bugs

https://lalitm.com/fixits-are-good-for-the-soul/
1•lalitmaganti•20m ago•0 comments

Gov. People Announces 6 Critical Tech Areas for the War Department

https://www.war.gov/News/Releases/Release/Article/4333074/under-secretary-of-war-for-research-and...
2•donutloop•24m ago•0 comments

Show HN: Reduce time debugging AI slop in prod

https://github.com/dingus-technology/DINGUS
1•SleepyWalrus•24m ago•0 comments

Interviewing Andrea Borman [video]

https://www.youtube.com/watch?v=iLpIzfZ_2zI
1•spacebuffer•25m ago•0 comments

Gabe Newell: "We don't worry about Piracy" (2009) [video]

https://www.youtube.com/watch?v=Imf-QeQCexk
1•uyzstvqs•25m ago•0 comments

You can save money on LLM tokens as a developer with MCP / ChatGPT apps

https://www.mikeborozdin.com/post/how-mcp-and-chatgpt-apps-can-save-you-tokens
1•mikeborozdin•30m ago•0 comments

Kickstart.nvim: A minimal, single-file starting point for Neovim configuration

https://github.com/nvim-lua/kickstart.nvim
1•nathan-barry•30m ago•0 comments

Volvo ends relationship with Luminar, removes Lidar from vehicles

https://www.repairerdrivennews.com/2025/11/21/volvo-ends-relationship-with-luminar-removes-lidar-...
2•bookofjoe•33m ago•0 comments

How Does an Electron Microscope Work?

https://www.thermofisher.com/blog/materials/how-does-an-electron-microscope-work/
1•kamaraju•34m ago•0 comments

X begins rolling out 'About this account' location feature to users' profiles

https://techcrunch.com/2025/11/21/x-begins-rolling-out-the-about-this-account-feature-to-users-pr...
4•xqcgrek2•37m ago•0 comments

Evals drive the next chapter in AI for businesses

https://openai.com/index/evals-drive-next-chapter-of-ai/
1•gmays•38m ago•0 comments

Bytes before FLOPS: your algorithm is (mostly) fine, your data isn't

https://www.bitsdraumar.is/bytes-before-flops/
1•bofersen•38m ago•0 comments

Meta Looks to Power Trading to Support Its AI Energy Needs

https://www.bloomberg.com/news/articles/2025-11-21/meta-enters-power-trading-to-support-ai-data-c...
2•geox•41m ago•0 comments

Working Title (Insurance)

https://www.bitsaboutmoney.com/archive/working-title-insurance/
1•surprisetalk•43m ago•0 comments

USB in a nutshell: making sense of the USB standard

https://www.beyondlogic.org/usbnutshell/usb1.shtml
2•fanf2•44m ago•0 comments
Open in hackernews

Show HN: JavaFactory – IntelliJ plugin to generate Java code

https://github.com/JavaFactoryPluginDev/javafactory-plugin
44•javafactory•6mo ago
Hi HN,

I built a code generator plugin for IntelliJ that uses LLMs to create repetitive Java code like implementations, tests, and fixtures — based on custom natural-language patterns and annotation-based references.

Most tools like Copilot or Cursor aim to be general, but fail to produce code that actually fits a project structure or passes tests.

So I made something more explicit: define patterns + reference scope, and generate code consistently.

In this demo, 400 lines of Java were generated in 20 seconds — and all tests passed: https://www.youtube.com/watch?v=ReBCXKOpW3M

GitHub: https://github.com/JavaFactoryPluginDev/javafactory-plugin

Comments

geodel•6mo ago
Feels very Java like. Factories, repositories, utils, patterns etc. Good stuff.
asdffdasy•6mo ago
yoDawgMemesFactory
javafactory•6mo ago
thank you. i think this tool have really room to grow, but still concept of manipulate each task is quite usefule
cess11•6mo ago
The guide is a 404.

"404 - page not found The

master branch of

javafactory-plugin does not contain the path

docs/how-to-use.md."

How do I hook it into local models? Does it support Ollama, Continue, that kind of thing? Do you collect telemetry?

javafactory•6mo ago
1. Im sorry. i it was typo on path, i fixed it so you can see now.

2. from now, i only allow to use gpt-4o, because the requests involve relatively long context windows, which require high-quality reasoning. Only recent high-performance models like GPT-4o or Claude Sonnet are capable of reducing the manual workload for this kind of task.

___

but still, if user want to use other models , i can make adapter features for various models

cess11•6mo ago
Thanks.

Right, so it can't be used on proprietary code or in settings where personal data might occur.

javafactory•6mo ago
That's right. Unfortunately, the system currently forces the use of GPT-4o.

To be honest, I didn’t realize that model selection would be such an important point for users. I believed that choosing a high-quality model with strong reasoning capabilities was part of the service’s value proposition.

But lately, more users — including yourself — have been asking for support for other models like Claude Sonnet or LLaMA.

I’m now seriously considering adding an adapter feature. Thank you for your feedback — I really appreciate it.

cess11•6mo ago
I can't speak for other people but I regularly work with code that is not owned by my organisation and getting approval to send it out to some remote, largely unaccountable, corporation is likely to be impossible under the conditions which we operate.

Together with the CEO I've also decided that we do not do this with our own code, it stays on machines we control until someone pays for some artifact we'd like to license.

I'm well aware that many other organisations take a different position and push out basically everything they work on to SaaS LLM:s, in my experience defending it with something about so called productivity and something about some contract clause about the SaaS pinky promising to not straight up take the code. But nothing stops them from running hidden queries against it with their in-house models parallel with providing their main service, and sift out a lot of trade secrets and other goodies from it.

It's also likely these SaaS corporations can benchmark and otherwise profile individual developers, information that would be very valuable to e.g. recruiting agencies.

diggernet•6mo ago
And I work for an organization that does everything they can think of to make it virtually impossible for anyone to leak code outside, but is now mandating Copilot use to the point of including it in personal performance goals.
likis•6mo ago
What LLM is it using? Is it something local? Or does it call out? It wasn't obvious from the docs, and I didn't want to dig through all of the code to figure it out. Should probably be clearly stated on the front page.

But the project looks interesting, I have been looking for something similar.

trollied•6mo ago
It uses openai.
javafactory•6mo ago
This uses OpenAI's GPT-4o model.

The requests involve relatively long context windows, which require high-quality reasoning. Only recent high-performance models like GPT-4o or Claude Sonnet are capable of reducing the manual workload for this kind of task.

simpaticoder•6mo ago
If the trend continues a program will look like "JavaFactory("<prompt>").compile().run();".
winrid•6mo ago
I've always wondered how long until we reach this. If every pc can run models locally, with a given seed and prompt it could be the ultimate compression. It's also hilarious.
imhoguy•6mo ago
Although very lossy compression, each invocation will be different, so that will inevitably circle back to "strong-static-LLM" prompts. What? wait..!
woodrowbarlow•6mo ago
LLMs at their core do produce reproducible results with a given seed. it's all the workflow stuff people do on top that tends to break reproducibility.
dibujaron•6mo ago
This is not the case for LLMs running on GPUs (which is most of them); GPUs are non-deterministic for this use-case due to the floating point math involved. there is no way to get perfectly deterministic output from OpenAI despite the presence of seed and temperature parameters.
javafactory•6mo ago
Thank you — I’ll consider adding that feature.

Actually, I'm currently thinking about creating a small community for sharing pattern definitions.

redditor98654•6mo ago
Do you already have some common templates ready to be used somewhere?
AugustoCAS•6mo ago
A side comment, I have found that configuring a few live templates in IntelliJ helps me to write a lot of the repetitive code just a handful of keystrokes regardless of the language.

Structural refactoring is another amazing feature that is worth knowing.

javafactory•6mo ago
I think IntelliJ is a great tool on its own. Recently, they even added a feature that auto-injects dependencies when you declare them as private final — super convenient.

I can’t help but wonder if the folks at JetBrains are starting to feel a bit of pressure from tools like Cursor or Windsurf

zikani_03•6mo ago
I've also got some mileage from live templates for repetitive code. However, at some point I built[0] an IntelliJ IDEA plugin to help me generate setters and field assignments that I felt live templates weren't a good solution for (for my case). I don't know if JavaFactory solves this kind of problem, keen to try it out.

[0]: https://github.com/nndi-oss/intellij-gensett

p0w3n3d•6mo ago
As a programmer I feel bad if tests don't fail at the first run... It might show that they are not testing...
javafactory•6mo ago
Your point is valid. In real-world work, tests should focus on parts that are difficult to verify, and if everything passes on the first try, it's often a sign that something deserves a closer look.

That said, what I wanted to highlight in the example was a contrast — tools like Cursor and other general-purpose models often fail to even generate simple tests correctly, or can't produce tests that pass. So the goal was to show the difference in reliability.

diggernet•6mo ago
Related to this, consider that when an LLM writes tests for code, it's writing them based on what the code actually does, not what it's supposed to do. This is equally true when the code itself was written by the LLM. Sure the tests pass, but that doesn't prove the code is correct.