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REA Reverse – Engineer Anything

https://rea.tools/
312•modinfo•6h ago•103 comments

Telegram Desktop vulnerability allowed any user's file to be stolen

https://beaksec.github.io/posts/telegram-desktop-one-click-account-takeover/
87•g-b-r•4h ago•34 comments

Cloudflare acquires Deno

https://deno.com/blog/cloudflare
1167•ilreb•18h ago•602 comments

Triple-A Minesweeper

https://minesweeper.mikelacher.com/
868•robin_reala•15h ago•169 comments

Eye of Sauron: Long-Range Hidden Spy Camera Detection

https://www.usenix.org/conference/usenixsecurity24/presentation/zhang-qibo
107•ortusdux•2d ago•22 comments

How to head into VR without wearing a headset

https://www.kyushu-u.ac.jp/en/researches/view/414/
15•Betelbuddy•3d ago•2 comments

Typesafe AI raises $870M at $7.5B

https://typesafe.ai/blog/series-ai
341•tosh•14h ago•246 comments

Show HN: Carrier-Explode: iPhone, Pixel and Galaxy carrier settings decoded

https://carrierexplode.com/
286•simplyalec•12h ago•39 comments

Can you use autoregressive diffusion to generate market data?

https://blog.janestreet.com/can-you-use-autoregressive-diffusion-to-generate-market-data/
62•jsomers•16h ago•23 comments

Compiling Rust to readable C with Eurydice

https://lwn.net/Articles/1055211/
60•peter_d_sherman•7h ago•9 comments

Show HN: A simple to-do app for iPhone, Mac, and your agent

https://ilia.page/writing/introducing-nagare
9•shmilia•2h ago•3 comments

Clinical trial of a prion disease drug candidate begins enrolling participants

https://www.broadinstitute.org/news/clinical-trial-prion-disease-drug-candidate-begins-enrolling-...
42•luu•7h ago•5 comments

Pointing AI at archives found a forgotten meteorite, lost rhinos, and more

https://jessewaites.com/blog/post/i-pointed-ai-at-400-years-of-archives/
137•piratebroadcast•19h ago•71 comments

Computers Cannot Make Decisions

https://wiki.cateat.fish/art:computers_cannot_make_decisions
4•heavensteeth•1h ago•0 comments

Anthropic AI model submits false tip on unsolved Philly murder

https://www.nbcphiladelphia.com/news/local/anthropic-ai-model-submits-false-tip-on-unsolved-phill...
150•Zambyte•9h ago•108 comments

Next.js 16.4

https://nextjs.org/blog/next-16-4
20•jhuleatt•4h ago•18 comments

Communication Between the Compiler, the Build System, and Beyond

https://shrub.industries/words/problem.html
10•shrub900•3d ago•1 comments

Show HN: Proton Drive for Linux

https://oss.lsantos.dev/proton-drive-linux-fs/
65•khaosdoctor•1d ago•24 comments

YouTuber Says Cops Visited Him After He Built a Flock-Style Camera to Track Cops

https://gizmodo.com/youtuber-says-cops-paid-him-a-visit-after-he-built-flock-style-camera-to-trac...
536•gumby•10h ago•298 comments

Scam American companies are using to manipulate ingredient lists

https://twitter.com/WallStreetApes/status/2108594998656807078
98•bilsbie•13h ago•104 comments

What mathematicians should know about the Lean Theorem Prover: reliability & AI

https://terrytao.wordpress.com/2026/10/09/what-mathematicians-should-know-about-the-lean-theorem-...
88•matt_d•13h ago•17 comments

Our $445M Series D

https://oxide.computer/blog/our-445m-series-d
641•ahlCVA•17h ago•294 comments

The role of cat eye narrowing movements in cat–human communication (2020)

https://www.nature.com/articles/s41598-020-73426-0
71•bushwart•3d ago•26 comments

Sorry, I'm in a meeting

https://iminafleeting.com/
863•splintersio•21h ago•247 comments

'Wallace and Gromit,' 90% Alone

https://animationobsessive.substack.com/p/wallace-and-gromit-90-alone
193•vinhnx•17h ago•24 comments

Show HN: The rarest tech books and docs you've probably never read

https://readrare.com/
114•miletus•13h ago•39 comments

Vegetative Electron Microscopy WTF? (2025)

https://www.sciencebase.com/science-blog/vegetative-electron-microscopy.html
3•adunk•1d ago•0 comments

Atari Falcon

https://atarimuseum.nl/atari-falcon/
41•debo_•8h ago•13 comments

100+ reactions to 100+ solutions

https://proofsandprompts.com/2026/10/08/100-reactions-to-100-solutions/
60•jacobedawson•18h ago•53 comments

Put a price on breakthroughs

https://alexwang.ai/posts/put-a-price-on-breakthroughs/
13•ketothekingdom•4h ago•4 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•1y ago

Comments

stevoski•1y 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•1y 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•1y 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_•1y ago
Spotbugs or checkstyle etc... would catch these. What does AI add here?
xyst•1y 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•1y 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•1y 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•1y 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•1y 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•1y ago
stupid af
Traubenfuchs•1y 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•1y 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•1y ago
Can the QA team? How does the dev/staging environment help writing less buggy code?
rad_gruchalski•1y ago
But can you leetcode heh.
TYMorningCoffee•1y 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.