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Gut bacteria from amphibians and reptiles achieve tumor elimination in mice

https://www.jaist.ac.jp/english/whatsnew/press/2025/12/17-1.html
350•Xunxi•8h ago•76 comments

What Is an Elliptic Curve?

https://www.johndcook.com/blog/2019/02/21/what-is-an-elliptic-curve/
13•tzury•1h ago•0 comments

Gemini 3 Flash: Frontier intelligence built for speed

https://blog.google/products/gemini/gemini-3-flash/
914•meetpateltech•15h ago•491 comments

OBS Studio Gets a New Renderer

https://obsproject.com/blog/obs-studio-gets-a-new-renderer
227•aizk•10h ago•47 comments

Ask HN: Does anyone understand how Hacker News works?

42•jannesblobel•7h ago•52 comments

Coursera to combine with Udemy

https://investor.coursera.com/news/news-details/2025/Coursera-to-Combine-with-Udemy-to-Empower-th...
486•throwaway019254•19h ago•295 comments

Learn Egyptian Hieroglyphs

https://www.egyptianhieroglyphs.net/egyptian-hieroglyphs/lesson-1/
6•jameslk•1h ago•0 comments

Working quickly is more important than it seems (2015)

https://jsomers.net/blog/speed-matters
132•bschne•3d ago•59 comments

I got hacked: My Hetzner server started mining Monero

https://blog.jakesaunders.dev/my-server-started-mining-monero-this-morning/
316•jakelsaunders94•10h ago•219 comments

Judge hints Vizio TV buyers may have rights to source code licensed under GPL

https://www.theregister.com/2025/12/05/vizio_gpl_source_code_ruling/
53•pabs3•3h ago•1 comments

Ask HN: Those making $500/month on side projects in 2025 – Show and tell

177•cvbox•6h ago•120 comments

Developers can now submit apps to ChatGPT

https://openai.com/index/developers-can-now-submit-apps-to-chatgpt/
126•tananaev•9h ago•73 comments

AWS CEO says replacing junior devs with AI is 'one of the dumbest ideas'

https://www.finalroundai.com/blog/aws-ceo-ai-cannot-replace-junior-developers
884•birdculture•14h ago•459 comments

Don MacKinnon: Why Simplicity Beats Cleverness in Software Design [audio]

https://maintainable.fm/episodes/don-mackinnon-why-simplicity-beats-cleverness-in-software-design
29•mooreds•2d ago•4 comments

'Ghost jobs' are on the rise – and so are calls to ban them

https://www.bbc.com/news/articles/clyzvpp8g3vo
40•1659447091•2h ago•48 comments

Feather Detective (2016)

https://www.audubon.org/magazine/behind-scenes-worlds-top-feather-detective
5•thither•3d ago•0 comments

More than half of researchers now use AI for peer review, often against guidance

https://www.nature.com/articles/d41586-025-04066-5
27•neilv•2h ago•20 comments

Tell HN: HN was down

540•uyzstvqs•14h ago•297 comments

A Safer Container Ecosystem with Docker: Free Docker Hardened Images

https://www.docker.com/blog/docker-hardened-images-for-every-developer/
309•anttiharju•14h ago•67 comments

TikTok unlawfully tracks shopping habits and use of dating apps?

https://noyb.eu/en/tiktok-unlawfully-tracks-your-shopping-habits-and-your-use-dating-apps
174•doener•7h ago•87 comments

The Number That Turned Sideways

https://zuriby.github.io/math.github.io/the-number-that-turned-sideways.html
40•tzury•4d ago•25 comments

Show HN: High-Performance Wavelet Matrix for Python, Implemented in Rust

https://pypi.org/project/wavelet-matrix/
81•math-hiyoko•12h ago•2 comments

Security vulnerability found in Rust Linux kernel code

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e0ae02ba831da2b70790...
10•lelanthran•1h ago•2 comments

Cloudflare Radar 2025 Year in Review

https://radar.cloudflare.com/year-in-review/2025
78•ksec•10h ago•30 comments

Zmij: Faster floating point double-to-string conversion

https://vitaut.net/posts/2025/faster-dtoa/
124•fanf2•3d ago•17 comments

Show HN: I built a fast RSS reader in Zig

https://github.com/superstarryeyes/hys
47•superstarryeyes•1d ago•13 comments

Inside PostHog: SSRF, ClickHouse SQL Escape and Default Postgres Creds to RCE

https://mdisec.com/inside-posthog-how-ssrf-a-clickhouse-sql-escaping-0day-and-default-postgresql-...
90•arwt•10h ago•26 comments

How SQLite is tested

https://sqlite.org/testing.html
274•whatisabcdefgh•13h ago•76 comments

Fast SEQUENCE iteration in Common Lisp

https://world-playground-deceit.net/blog/2025/12/fast-sequence-iteration-in-common-lisp.html
46•BoingBoomTschak•4d ago•8 comments

Launch HN: Kenobi (YC W22) – Personalize your website for every visitor

40•sarreph•15h ago•53 comments
Open in hackernews

Fixrleak: Fixing Java Resource Leaks with GenAI

https://www.uber.com/blog/fixrleak-fixing-java-resource-leaks-with-genai/
17•carimura•7mo ago

Comments

stevoski•7mo ago
> “Resource leaks, where resources like files, database connections, or streams aren’t properly released after use, are a persistent issue in Java applications”

This was true maybe back in 2005. Java has had try-with-resources for a loooong time. As I see it this has been the dominant idiom for ages, for handling resources that might leak.

okr•7mo ago
People tend to forget. Stream-API is a good candidate, that people like to not consider for leakage. If you don't own your stream, if you do not definitly know, that your stream comes from a collection, then ya better close it with a try-block.
bob778•7mo ago
How much effort was spent automating this to fix 112 instances across Uber’s code base? I assume code reviews would catch any new issues so this seems like overkill for a small one-off task?
hawk_•7mo ago
Spotbugs or checkstyle etc... would catch these. What does AI add here?
xyst•7mo ago
It gives marketing team at Uber to say "wE uSe AI hErE!!1". C-levels approve since anything AI gets a nice pump.

Engineering wise. This adds nothing. It’s an absolute waste of compute and energy to run this through LLMs

sigotirandolas•7mo ago
> This analysis ensures that FixrLeak skips functions where resources are passed as parameters, returned, or stored in fields, as these resources often outlive the function’s scope.

> FixrLeak delivers precise, reliable fixes while leaving more complex cases for advanced analysis at the caller level.

In other words, this will only fix trivial leaks, which are best seen as a language design issue and can be fixed by RAII, reference counting, etc.

It won't fix the more insidious leaks like `UNBOUNDED_QUEUE.add(item)` that are more likely to pass through code review in the first place.

xyst•7mo ago
Using AI when a static scanner like SonarQube easily picks up these types of resource leaks, especially in Java.

Peak waste.

What’s next?

"Get rid of your GitHub dependabot alerts and replace it with my shitty ChatGPT wrapper”

rvz•7mo ago
> Using AI when a static scanner like SonarQube easily picks up these types of resource leaks, especially in Java.

Exactly.

It's very disappointing to see that Uber engineers would rather trust an LLM to that claims to spot these issues when a battle-tested scanner such as SonarQube would have caught this in the first place.

The LLM hype-train is almost just as bad as the JavaScript hype train in the 2010s where some of the worst technologies are used on everything.

rvz•7mo ago
Why exactly do you need LLMs for this when efficient alternatives like SonarQube or checkstyle already do this without the expensive waste LLMs create?

This adds little to no technical advantage over existing solutions what so ever for this particular use case.

yahoozoo•7mo ago
stupid af
Traubenfuchs•7mo ago
So you tell me those 200-600k software engineers that can easily solve leetcode hard are so incompetent they missed using try-with-resources at such scale, they needed to introduce new AI tooling to fix it?

Hey Uber, I am from the EU, I usually can‘t even solve leetcode medium but I will write you scalable, spotless Java for a third of the salary.

Our industry and its economics are a joke.

hello_moto•7mo ago
So you write bug-free scalable code 100% in any jobs you ever worked for?

I guess we don’t need QA and Dev/Staging environment

rad_gruchalski•7mo ago
Can the QA team? How does the dev/staging environment help writing less buggy code?
rad_gruchalski•7mo ago
But can you leetcode heh.
TYMorningCoffee•7mo ago
A lot of commenters point out that there already are many established static checkers that do this. That is not what Uber attempts here.

Uber is not proposing a static checker. They even use sonar qube in their architecture. They propose using an LLM to resolve the leak detected by sonar qube.