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Claude Fable 5.1 Solves the Cyphral Distich, a 370-year-old cipher

https://www.vals.ai/blogs/fable-solves-cyphral-distich
153•u1hcw9nx•1h ago•36 comments

Mark Zuckerberg: "Cambridge Analytica" (2017)

https://twitter.com/TechEmails/status/2099214399840059428
202•mfiguiere•2h ago•79 comments

Why is Google still serving dodgy ads?

https://www.atomic14.com/2026/09/13/why-is-google-still-serving-dodgy-ads
423•iamflimflam1•4h ago•201 comments

Julia 1.13 Highlights

https://julialang.org/blog/2026/09/julia-1.13-highlights/
97•eigenspace•3d ago•6 comments

Astra and Fable still hack on simple variants of alignment evals from 2025

https://www.lesswrong.com/posts/munJKF7iWMsWJLAH2/astra-and-fable-still-hack-on-simple-variants-o...
335•Levitating•7h ago•155 comments

Flawed Routers Flood University of Wisconsin Internet Time Server (2003)

https://pages.cs.wisc.edu/~plonka/netgear-sntp/
23•walrus01•1h ago•2 comments

Data collected by cars and sold to third parties

https://www.theverge.com/column/994172/your-car-is-selling-your-data
234•bookofjoe•8h ago•126 comments

Global Shortage Has Led to Motor Oil Rationing at Costco

https://guessingheadlights.com/global-shortage-has-led-to-motor-oil-rationing-at-costco/
176•mikhael•4h ago•129 comments

JetKVM Mini

https://jetkvm.com/blog/introducing-jetkvm-mini
496•taubek•14h ago•193 comments

Bad Code Is Kudzu

https://vickiboykis.com/2026/09/01/bad-code-is-kudzu/
18•surprisetalk•3d ago•3 comments

Why is the x86 undefined instruction called ud2? Why 2?

https://devblogs.microsoft.com/oldnewthing/20260910-00/?p=112689
170•ibobev•9h ago•41 comments

Making Startups Powerful

https://paulgraham.com/powerful.html
119•tosh•8h ago•57 comments

Reverse engineering my e-scooter and rewriting the firmware in Rust

https://bensimms.moe/reverse-engineering-scooter/
317•vinhnx•3d ago•77 comments

CUDA for AMD on Windows

https://github.com/Speedstu/CUDA-for-AMD-Windows
120•chiassedu80•7h ago•63 comments

Sean Carroll explains the biggest ideas in the universe – Full Interview [video]

https://www.youtube.com/watch?v=_TBNJyztai0
63•binyu•2d ago•13 comments

Reverse-Engineering Claude Web's MicroVM: Uncovering Anthropic's Hidden Antspace

https://aprilnea.me/en/blog/reverse-engineering-claude-code-antspace
36•rzk•2d ago•9 comments

Why are AI agents lying, cheating and coordinating?

https://yoshuabengio.org/en/publication/why-are-ai-agents-lying-cheating-and-coordinating
563•jonifico•21h ago•637 comments

There Is No AI (It's Just People) with Jaron Lanier

https://singjupost.com/startalk-there-is-no-ai-really-its-just-people-w-jaron-lanier-transcript/
48•andsoitis•2h ago•60 comments

Garry Tan wants US open-weight AI labs to 'distill' frontier models, too

https://techcrunch.com/2026/09/11/y-combinators-garry-tan-wants-u-s-open-weight-ai-labs-to-distil...
285•TheJCDenton•6h ago•145 comments

Device Drivers lab exercise – COSC562

https://web.eecs.utk.edu/~smarz1/courses/cosc562/drivers.html
21•azhenley•4h ago•2 comments

I'm being cyberattacked by Tesla, Inc

https://dreamstation.systems/personal/tesla.html
358•robinpie•4h ago•101 comments

Libraries Run Rust Inside Python (With PyO3)

https://belderbos.dev/blog/how-libraries-run-rust-inside-python/
49•lumpa•6h ago•30 comments

AI recursive self-improvement might not come so quickly after all (August 2026)

https://www.technologyreview.com/2026/08/18/1142188/ai-recursive-self-improvement/
44•dgellow•3h ago•36 comments

Cpak – OCI application package format for Linux desktops, servers and devices

https://cpak.it/
38•xlmnxp•7h ago•13 comments

'Fingerprints' inside the Sun could reveal if it once swallowed a planet

https://ras.ac.uk/news-and-press/research-highlights/fingerprints-inside-sun-could-reveal-if-it-o...
105•blincoln•10h ago•40 comments

TailTalk: A modern async user space AppleTalk stack with Rust and Tokio

https://github.com/FeralFirmware/TailTalk/
60•zdw•22h ago•13 comments

Make your first edit to OpenStreetMap

https://high5apps.github.io/josm-plugin-website-wizard/
585•juliantigler•1d ago•138 comments

Alan's Random Insult Generator (1999)

https://alanbellows.com/experiments/insult/index.html
63•DamnInteresting•2d ago•23 comments

Romania soccer introduces black card to 'combat abusive behaviour' from parents

https://www.nytimes.com/athletic/7586821/2026/09/12/football-black-card-referee/
88•thunderbong•5h ago•54 comments

A computational constitution to stop LLM agents from bricking servers

https://github.com/misqe/zero-trust-llm
3•misqe•2h ago•0 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.