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Modern Cassette Walkmans

https://walkman.land/modern
49•classichasclass•51m ago•8 comments

The universal weight subspace hypothesis

https://arxiv.org/abs/2512.05117
194•lukeplato•5h ago•71 comments

The web runs on tolerance

https://shkspr.mobi/blog/2025/12/the-web-runs-on-tolerance/
61•speckx•4d ago•49 comments

Show HN: I built a system for active note-taking in regular meetings like 1-1s

https://withdocket.com
27•davnicwil•7h ago•4 comments

Icons in Menus Everywhere – Send Help

https://blog.jim-nielsen.com/2025/icons-in-menus/
337•ArmageddonIt•10h ago•132 comments

Kroger acknowledges that its bet on robotics went too far

https://www.grocerydive.com/news/kroger-ocado-close-automated-fulfillment-centers-robotics-grocer...
111•JumpCrisscross•5h ago•100 comments

Jepsen: NATS 2.12.1

https://jepsen.io/analyses/nats-2.12.1
320•aphyr•10h ago•115 comments

The Lost Machine Automats and Self-Service Cafeterias of NYC (2023)

https://www.untappedcities.com/automats-cafeterias-nyc/
50•walterbell•4h ago•18 comments

Horses: AI progress is steady. Human equivalence is sudden

https://andyljones.com/posts/horses.html
269•pbui•5h ago•175 comments

Strong earthquake hits northern Japan, tsunami warning issued

https://www3.nhk.or.jp/nhkworld/en/news/20251209_02/
280•lattis•14h ago•139 comments

OSHW: Small tablet based on RK3568 and AMOLED screen

https://oshwhub.com/oglggc/rui-xin-wei-rk3568-si-ceng-jia-li-chuang-mian-fei-gong-yi
46•thenthenthen•5d ago•13 comments

AMD GPU Debugger

https://thegeeko.me/blog/amd-gpu-debugging/
227•ibobev•13h ago•39 comments

Let's put Tailscale on a jailbroken Kindle

https://tailscale.com/blog/tailscale-jailbroken-kindle
255•Quizzical4230•13h ago•62 comments

Microsoft increases Office 365 and Microsoft 365 license prices

https://office365itpros.com/2025/12/08/microsoft-365-pricing-increase/
304•taubek•15h ago•359 comments

Scientific and Technical Amateur Radio

https://destevez.net/
39•gballan•4h ago•3 comments

IBM to acquire Confluent

https://www.confluent.io/blog/ibm-to-acquire-confluent/
368•abd12•16h ago•294 comments

Hunting for North Korean Fiber Optic Cables

https://nkinternet.com/2025/12/08/hunting-for-north-korean-fiber-optic-cables/
235•Bezod•13h ago•72 comments

Has the cost of building software dropped 90%?

https://martinalderson.com/posts/has-the-cost-of-software-just-dropped-90-percent/
216•martinald•10h ago•366 comments

Trials avoid high risk patients and underestimate drug harms

https://www.nber.org/papers/w34534
90•bikenaga•10h ago•32 comments

Cassette tapes are making a comeback?

https://theconversation.com/cassette-tapes-are-making-a-comeback-yes-really-268108
61•devonnull•5d ago•94 comments

Luarrow – True pipeline operators and elegant Haskell-style function compositio

https://github.com/aiya000/luarrow.lua
4•todsacerdoti•6d ago•0 comments

Show HN: Fanfa – Interactive and animated Mermaid diagrams

https://fanfa.dev/
84•bairess•4d ago•17 comments

Paramount launches hostile bid for Warner Bros

https://www.cnbc.com/2025/12/08/paramount-skydance-hostile-bid-wbd-netflix.html
279•gniting•15h ago•269 comments

AI should only run as fast as we can catch up

https://higashi.blog/2025/12/07/ai-verification/
132•yuedongze•12h ago•125 comments

Everything that is wrong in museums starts with wall labels

https://www.aaronland.info/weblog/2025/11/20/cafeteria/
13•panic•6d ago•8 comments

Microsoft Download Center Archive

https://legacyupdate.net/download-center/
138•luu•3d ago•17 comments

Latency Profiling in Python: From Code Bottlenecks to Observability

https://quant.engineering/latency-profiling-in-python.html
24•rundef•6d ago•6 comments

A series of tricks and techniques I learned doing tiny GLSL demos

https://blog.pkh.me/p/48-a-series-of-tricks-and-techniques-i-learned-doing-tiny-glsl-demos.html
156•ibobev•13h ago•18 comments

Launch HN: Nia (YC S25) – Give better context to coding agents

https://www.trynia.ai/
98•jellyotsiro•12h ago•70 comments

Nova Programming Language

https://nova-lang.net
96•surprisetalk•14h ago•51 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•6mo ago

Comments

stevoski•6mo 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•6mo 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•6mo 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_•6mo ago
Spotbugs or checkstyle etc... would catch these. What does AI add here?
xyst•6mo 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•6mo 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•6mo 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•6mo 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•6mo 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•6mo ago
stupid af
Traubenfuchs•6mo 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•6mo 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•6mo ago
Can the QA team? How does the dev/staging environment help writing less buggy code?
rad_gruchalski•6mo ago
But can you leetcode heh.
TYMorningCoffee•6mo 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.