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God Sleeps in the Minerals

https://wchambliss.wordpress.com/2026/03/03/god-sleeps-in-the-minerals/
307•speckx•4h ago•72 comments

Open Source Isn't Dead. Cal.com Just Learned the Wrong Lesson

https://www.strix.ai/blog/cal-com-is-closing-its-code-due-to-ai-threats
169•bearsyankees•2h ago•102 comments

Want to Write a Compiler? Just Read These Two Papers (2008)

https://prog21.dadgum.com/30.html
367•downbad_•8h ago•113 comments

CPUs Aren't Dead. Gemma2B Out Scored GPT-3.5 Turbo on Test That Made It Famous

https://seqpu.com/CPUsArentDead/
13•fredmendoza•1h ago•5 comments

Good Sleep, Good Learning (2012)

https://super-memory.com/articles/sleep.htm
278•downbad_•8h ago•127 comments

Show HN: Libretto – Making AI browser automations deterministic

https://github.com/saffron-health/libretto
26•muchael•2h ago•6 comments

Fix monitor that goes black, off or blinks due to static electricity in chair

https://aalonso.dev/blog/2023/how-to-fix-monitor-that-goes-black-off-due-to-static-electricity-in...
15•cyclopeanutopia•3d ago•12 comments

Adaptional (YC S25) Is Hiring Founding AI Engineers

https://www.ycombinator.com/companies/adaptional/jobs/k7W6ge9-founding-engineer
1•acesohc•1h ago

How do Wake-On-LAN works

https://blog.xaner.dev/post/wake-on-lan/
36•swq115•4d ago•12 comments

Forcing an inversion of control on the SaaS stack

https://www.100x.bot/a/client-side-injection-inversion-of-control-saas
31•shardullavekar•5d ago•30 comments

Do you even need a database?

https://www.dbpro.app/blog/do-you-even-need-a-database
90•upmostly•5h ago•172 comments

The Future of Everything Is Lies, I Guess: New Jobs

https://aphyr.com/posts/419-the-future-of-everything-is-lies-i-guess-new-jobs
182•aphyr•4h ago•121 comments

Gemini Robotics-ER 1.6

https://deepmind.google/blog/gemini-robotics-er-1-6/
143•markerbrod•4h ago•42 comments

Anna's Archive loses $322M Spotify piracy case without a fight

https://torrentfreak.com/annas-archive-loses-322-million-spotify-piracy-case-without-a-fight/
151•askl•10h ago•165 comments

Costasiella kuroshimae – Solar Powered animals, that do indirect photosynthesis

https://en.wikipedia.org/wiki/Costasiella_kuroshimae
113•vinnyglennon•3d ago•47 comments

Google Broke Its Promise to Me. Now ICE Has My Data

https://www.eff.org/deeplinks/2026/04/google-broke-its-promise-me-now-ice-has-my-data
12•Brajeshwar•23m ago•0 comments

Wacli – WhatsApp CLI

https://github.com/steipete/wacli
204•dinakars777•11h ago•134 comments

Fixing a 20-year-old bug in Enlightenment E16

https://iczelia.net/posts/e16-20-year-old-bug/
233•snoofydude•13h ago•131 comments

We ran Doom on a 40 year old printer controller (Agfa Compugraphic 9000PS) [video]

https://www.youtube.com/watch?v=cltnlks2-uU
43•zdw•4d ago•12 comments

Where did my taxes go?

https://wherethefuckdidmytaxesgo.com/
62•kacy•1h ago•91 comments

Metro stop is Ancient Rome's new attraction

https://www.bbc.com/travel/article/20260408-a-150-metro-ticket-to-ancient-rome
86•Stevvo•5d ago•21 comments

Pretty Fish: A better mermaid diagram editor

https://pretty.fish/
90•pastelsky•5d ago•19 comments

Google Gemma 4 Runs Natively on iPhone with Full Offline AI Inference

https://www.gizmoweek.com/gemma-4-runs-iphone/
223•takumi123•12h ago•152 comments

Show HN: Every CEO and CFO change at US public companies, live from SEC

https://tracksuccession.com/explore
142•porsche959•5h ago•60 comments

Study: Back-to-basics approach can match or outperform AI in language analysis

https://www.manchester.ac.uk/about/news/back-to-basics-approach-can-match-or-outperform-ai/
27•giuliomagnifico•5h ago•11 comments

The tiniest e-reader in the world, and you can build one yourself

https://www.androidauthority.com/tiny-e-reader-diy-3657661/
21•Brajeshwar•1h ago•4 comments

AI ruling prompts warnings from US lawyers: Your chats could be used against you

https://www.reuters.com/legal/government/ai-ruling-prompts-warnings-us-lawyers-your-chats-could-b...
108•alephnerd•5h ago•65 comments

Dependency cooldowns turn you into a free-rider

https://calpaterson.com/deps.html
178•pabs3•16h ago•113 comments

CRISPR takes a bold leap toward silencing Down syndrome's extra chromosome

https://medicalxpress.com/news/2026-04-crispr-bold-silencing-syndrome-extra.html
20•amichail•1h ago•21 comments

Elevated errors on Claude.ai, API, Claude Code

https://claudestatus.com/
220•redm•3h ago•201 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•11mo ago

Comments

stevoski•11mo 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•11mo 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•11mo 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_•11mo ago
Spotbugs or checkstyle etc... would catch these. What does AI add here?
xyst•11mo 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•11mo 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•11mo 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•11mo 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•11mo 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•11mo ago
stupid af
Traubenfuchs•11mo 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•11mo 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•11mo ago
Can the QA team? How does the dev/staging environment help writing less buggy code?
rad_gruchalski•11mo ago
But can you leetcode heh.
TYMorningCoffee•11mo 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.