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Chatto is now Open Source

https://www.hmans.dev/blog/chatto-is-open-source
161•speckx•1h ago•29 comments

Mistral's Robostral Navigate: a state of the art robotics navigation model

https://mistral.ai/news/robostral-navigate/
197•ottomengis•2h ago•48 comments

Decoding the obfuscated bash script on a Uniqlo t-shirt

https://tris.sherliker.net/blog/obfuscated-self-evaluating-bash-script-by-cdn-akamai-being-suppli...
990•speerer•8h ago•174 comments

SWE-1.7 Reach Near GPT 5.5 and Opus Intelligence

https://cognition.com/blog/swe-1-7
30•mekpro•34m ago•15 comments

Cloudflare Meerkat - Globally distributed consensus

https://blog.cloudflare.com/meerkat-introduction/
115•bobnamob•3h ago•17 comments

GitLost: We Tricked GitHub's AI Agent into Leaking Private Repos

https://noma.security/blog/gitlost-how-we-tricked-githubs-ai-agent-into-leaking-private-repos/
416•ColinEberhardt•11h ago•161 comments

OpenBSD has a use-after-free allowing local privilege escalation to root

https://nvd.nist.gov/vuln/detail/cve-2026-57589
116•linggen•3h ago•51 comments

Apple to increase spend with Broadcom to produce billions more U.S. chips

https://www.apple.com/newsroom/2026/07/apple-to-increase-spend-with-broadcom-to-produce-billions-...
215•soheilpro•5h ago•164 comments

EVE Online's Carbon engine is now open source: Fenris Creations explains why

https://www.gamesindustry.biz/eve-onlines-carbon-engine-is-now-open-source-fenris-creations-expla...
253•Stevvo•4d ago•84 comments

Show HN: Follow London Trains in 3D

https://ride.nexttrain.london/
52•mgranados•4d ago•25 comments

Show HN: Kastor – Terraform-style specs for AI agents

https://github.com/weirdGuy/kastor
15•weirdguy•1h ago•12 comments

Japan's Hayabusa2 probe to conduct flyby of Torifune asteroid

https://www3.nhk.or.jp/nhkworld/en/news/20260705_01/
100•dvh•3d ago•12 comments

NoiseLang: Where N = 5 is a Dirac delta

https://manualmeida.dev/articles/noiselang/
73•manucorporat•2d ago•34 comments

How to Build a Minimal ZFS NAS Without Synology, QNAP, TrueNAS (2024)

https://neil.computer/notes/how-to-setup-minimal-zfs-nas-without-truenas/
285•4diii•12h ago•201 comments

Geosql: A Claude/Codex skill for geospatial data

https://github.com/dekart-xyz/geosql
87•rzk•8h ago•11 comments

Catastrophe theory; geniuses and maniacs (2011)

http://glassbottomblog.blogspot.com/2011/01/catastrophe-theory-geniuses-and-maniacs.html
7•mbustamanter•3d ago•0 comments

Tenda firmware (multiple versions) contains hidden authentication backdoor

https://kb.cert.org/vuls/id/213560
305•miniBill•16h ago•105 comments

Chat Control 1.0 and 2.0 Explained

https://fightchatcontrol.eu/chat-control-overview
837•gasull•1d ago•318 comments

Biohacker seeking immortality afflicted with incurable 'stomach eating' disease

https://www.lifesitenews.com/news/biohacker-seeking-immortality-afflicted-with-incurable-stomach-...
12•ferryth•37m ago•0 comments

Copy That Floppy – Cambridge guide for preserving data from fragile floppy disks

https://www.digipres.org/the-floppy-guide/
150•whiteblossom•13h ago•56 comments

Structure and Interpretation of Computer Programs Video Lectures (1986)

https://ocw.mit.edu/courses/6-001-structure-and-interpretation-of-computer-programs-spring-2005/v...
280•gjvc•16h ago•37 comments

Every postcard tells a story

https://observer.co.uk/style/features/article/every-postcard-tells-a-story
20•NaOH•2d ago•17 comments

Ants: Who looks after the injured in a colony?

https://www.uni-wuerzburg.de/en/news-and-events/news/detail/news/ameisen-kolonie-verletzte-pflegt/
79•hhs•4d ago•35 comments

GAO: DOE Is Prematurely Excluding Less Expensive Options for Nuclear Cleanup

https://www.gao.gov/products/gao-26-108193
251•Jimmc414•18h ago•136 comments

Canada's only watchmaking school still ticking after 80 years

https://www.cbc.ca/news/canada/montreal/canada-s-only-watchmaking-school-9.7254211
210•throw0101a•4d ago•125 comments

Home made GPU escalated quickly [video]

https://www.youtube.com/watch?v=qMR3IXF2sWw
143•erichocean•3d ago•43 comments

The difference between "today's task" and "accretive work"

https://pluralistic.net/2026/07/02/canonization/
115•hn_acker•6d ago•61 comments

It seems that the age of reading might be a short anomaly in human history

https://www.theatlantic.com/magazine/2026/08/reading-crisis-postliterate-age/687618/
93•0in•4h ago•194 comments

Local, CPU-Friendly, High-Quality TTS (Text-to-Speech) with Kokoro

https://ariya.io/2026/03/local-cpu-friendly-high-quality-tts-text-to-speech-with-kokoro/
481•speckx•22h ago•90 comments

LineageOS Statistics

https://stats.lineageos.org
170•pentagrama•15h ago•95 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.