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OpenRocket

https://openrocket.info/
298•zeristor•3d ago•61 comments

Wander – A tiny, decentralised tool to explore the small web

https://susam.net/wander/
117•susam•14h ago•49 comments

Rob Pike’s Rules of Programming (1989)

https://www.cs.unc.edu/~stotts/COMP590-059-f24/robsrules.html
770•vismit2000•11h ago•383 comments

Nvidia NemoClaw

https://github.com/NVIDIA/NemoClaw
182•hmokiguess•6h ago•138 comments

Review: Samsung Galaxy S26 Ultra

https://www.wired.com/review/samsung-galaxy-s26-ultra/
38•joozio•3d ago•25 comments

Warranty Void If Regenerated

https://nearzero.software/p/warranty-void-if-regenerated
19•Stwerner•59m ago•30 comments

Book: The Emerging Science of Machine Learning Benchmarks

https://mlbenchmarks.org/00-preface.html
37•jxmorris12•4d ago•1 comments

Show HN: Will my flight have Starlink?

103•bblcla•4h ago•101 comments

Show HN: Playing LongTurn FreeCiv with Friends

https://github.com/ndroo/freeciv.andrewmcgrath.info
27•verelo•2h ago•15 comments

2025 Turing award given for quantum information science

https://awards.acm.org/about/2025-turing
64•srvmshr•11h ago•18 comments

Show HN: I built 48 lightweight SVG backgrounds you can copy/paste

https://www.svgbackgrounds.com/set/free-svg-backgrounds-and-patterns/
70•visiwig•5h ago•11 comments

Nightingale – open-source karaoke app that works with any song on your computer

https://nightingale.cafe/
446•rzzzzru•13h ago•129 comments

Machine Payments Protocol (MPP)

https://stripe.com/blog/machine-payments-protocol
110•bpierre•6h ago•63 comments

CVE-2026-3888: Important Snap Flaw Enables Local Privilege Escalation to Root

https://blog.qualys.com/vulnerabilities-threat-research/2026/03/17/cve-2026-3888-important-snap-f...
60•askl•6h ago•32 comments

FBI is buying location data to track US citizens, director confirms

https://techcrunch.com/2026/03/18/fbi-is-buying-location-data-to-track-us-citizens-kash-patel-wyden/
195•jbegley•1h ago•66 comments

Despite Doubts, Federal Cyber Experts Approved Microsoft Cloud Service

https://www.propublica.org/article/microsoft-cloud-fedramp-cybersecurity-government
403•hn_acker•7h ago•183 comments

Show HN: Hacker News archive (47M+ items, 11.6GB) as Parquet, updated every 5m

https://huggingface.co/datasets/open-index/hacker-news
231•tamnd•4d ago•102 comments

On a Boat

https://moq.dev/blog/on-a-boat/
103•mmcclure•4d ago•22 comments

Show HN: Tmux-IDE, OSS agent-first terminal IDE

https://tmux.thijsverreck.com
37•thijsverreck•3h ago•27 comments

Trashing American Allies Turns Out to Be Bad for National Security

https://www.theatlantic.com/ideas/2026/03/trump-independence-allies-support/686432/
11•breve•11m ago•0 comments

Death to Scroll Fade

https://dbushell.com/2026/01/09/death-to-scroll-fade/
311•PaulHoule•6h ago•170 comments

OpenAI Has New Focus (on the IPO)

https://om.co/2026/03/17/openai-has-new-focus-on-the-ipo/
81•aamederen•10h ago•101 comments

I haven't used a mouse for 14 years

https://axelk.ee/i-havent-used-a-mouse-for-14-years-and-how-to-enable-three-fingers-drag-on-macos/
33•speckx•4h ago•59 comments

Write up of my homebrew CPU build

https://willwarren.com/2026/03/12/building-my-own-cpu-part-3-from-simulation-to-hardware/
220•wwarren•3d ago•47 comments

Measuring progress toward AGI: A cognitive framework

https://blog.google/innovation-and-ai/models-and-research/google-deepmind/measuring-agi-cognitive...
75•surprisetalk•10h ago•134 comments

Using calculus to do number theory

https://hidden-phenomena.com/articles/hensels
92•cpp_frog•2d ago•17 comments

Explore 19th Century Scientific Correspondence

https://epsilon.ac.uk/
4•rramadass•3d ago•0 comments

Snowflake AI Escapes Sandbox and Executes Malware

https://www.promptarmor.com/resources/snowflake-ai-escapes-sandbox-and-executes-malware
201•ozgune•6h ago•63 comments

Trevor Milton is raising funds for a new jet he claims will transform flying

https://www.wsj.com/business/trevor-milton-pardon-nikola-trump-3163e19c
51•jgalt212•8h ago•88 comments

AI coding is gambling

https://notes.visaint.space/ai-coding-is-gambling/
272•speckx•4h ago•317 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•10mo ago

Comments

stevoski•10mo 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•10mo 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•10mo 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_•10mo ago
Spotbugs or checkstyle etc... would catch these. What does AI add here?
xyst•10mo 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•10mo 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•10mo 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•10mo 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•10mo 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•10mo ago
stupid af
Traubenfuchs•10mo 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•10mo 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•10mo ago
Can the QA team? How does the dev/staging environment help writing less buggy code?
rad_gruchalski•10mo ago
But can you leetcode heh.
TYMorningCoffee•10mo 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.