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11 year old unsoundness bugs found in Rust borrow checker

https://github.com/rust-lang/rust/issues/164250
204•formerly_proven•2h ago•84 comments

An hour of audio transcribed in about 13s on MacBook Air

https://eg2.haku.sh/
77•amrrs•1h ago•20 comments

Show HN: Use your OpenAI subscription to create audiobooks

https://pdftomp3.com/connect-ai/
49•janpmz•2h ago•29 comments

Hittite royal archive found in Turkey

https://www.thehistoryblog.com/archives/77107
130•benbreen•6h ago•17 comments

CFTC Staff Were Told to Retract Analysis of Suspicious Oil Trades

https://www.bloomberg.com/news/features/2026-10-13/cftc-staff-told-to-retract-analysis-of-suspici...
129•helsinkiandrew•2h ago•34 comments

The baffling intelligence of a single cell (2024)

https://jsomers.net/e-coli-chemotaxis/
323•jsomers•2d ago•90 comments

GLM-Legal

https://z.ai/blog/glm-legal
601•ilreb•20h ago•333 comments

Intel D270 GPU AI Accelerator–Up to 480 GB LPDDR5X

https://www.intel.com/content/www/us/en/products/details/discrete-gpus/data-center-gpu/d-series.html
257•hurricanepootis•14h ago•124 comments

Hackers activate automatic defrosting in supermarket fridges across Europe

https://www.tomshardware.com/tech-industry/cyber-security/unprecedented-cyberattack-cripples-supe...
756•Zeekaas•1d ago•883 comments

A Modern Web App in C

https://prophitt.me/writing/a-modern-web-app-in-c
611•prophittcorey•20h ago•265 comments

Document Review with Unsiloed and TypeSafe Jev

https://www.unsiloed.ai/blog/document-review-unsiloed-typesafe-jev
19•ritzaco•4h ago•4 comments

Mozilla Introduces Firefox Enterprise

https://www.firefox.com/en-US/enterprise/
29•recvonline•30m ago•13 comments

Janas: Run LLMs larger than RAM by streaming experts from SSD

https://github.com/prabanta-dev/janas
172•khalidkhair•14h ago•60 comments

Character.ai Files for Bankruptcy

https://www.theverge.com/ai-artificial-intelligence/1009802/character-ai-files-for-bankruptcy-disney
40•yanis_t•1h ago•20 comments

Who is vfmaddrnd231pd?

https://purplesyringa.moe/blog/who-is-vfmaddrnd231pd/
224•pngmangi•15h ago•21 comments

Making big downloads resumable in Firefox

https://lunarwatcher.codeberg.page/til/firefox/resumable-big-downloads.html
233•speckx•16h ago•110 comments

AWS Lambda Web Functions

https://aws.amazon.com/blogs/aws/announcing-aws-lambda-web-functions-for-fast-consistent-web-app-...
45•HatchedLake721•2h ago•25 comments

Turn a WiFi 7 Router into a 320Msps Software Defined Radio Receiver

https://github.com/h0m3us3r/w1700k-sdr
368•djfergus•23h ago•101 comments

DishwasherBench – Can Frontier Models Stack a Dishwasher?

https://github.com/composo-ai/DishwasherBench
61•mlukewizard•4h ago•29 comments

Citroen revives the 2CV for an electric age

https://www.bbc.com/news/articles/c620r33plgppo
362•scrlk•1d ago•409 comments

AI is a tool and using it well takes skill

https://yyhh.org/blog/2026/10/ai-is-a-tool/
464•layer8•14h ago•363 comments

Launch HN: Agent37 (YC F26) – Low-cost agent sandboxes for running agents

144•vishnukool•19h ago•100 comments

Writing a Demoscene Intro for the ZX Spectrum

https://www.markround.com/blog/2026/zx-spectrum-intro
149•zdw•16h ago•27 comments

Auto Research: Integer multiplication below n log n

https://app.getsupers.com/auto-research
68•swesnow•1d ago•32 comments

A look at the math that OpenAI claims computes faster Fourier transforms

https://www.argmin.net/p/faster-fourier-transforms
178•mochomocha•9h ago•112 comments

Solar panels that plug into your wall

https://www.nationalgeographic.com/environment/article/balcony-plug-in-solar-panels-renewable-energy
213•speckx•22h ago•216 comments

Show HN: SolidCraft – Open-Source Parametric CAD in Rust (With MCP Support)

https://github.com/bherbruck/solidcraft
81•bherbruck•12h ago•17 comments

Crypto thieves sell hardware wallets with secret eSIM

https://www.heise.de/en/news/Crypto-thieves-sell-hardware-wallets-with-secret-eSIM-11485188.html
65•qwertox•3h ago•49 comments

AI models may soon self-replicate without access to data centers

https://www.reuters.com/business/ai-models-may-soon-self-replicate-without-access-data-centers-an...
29•samizdis•2h ago•39 comments

AI models can provably hide arbitrary capabilities

https://arxiv.org/abs/2610.13928
232•sbulaev•10h ago•112 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.