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I’m joining OpenAI

https://steipete.me/posts/2026/openclaw
975•mfiguiere•11h ago•676 comments

I want to wash my car. The car wash is 50 meters away. Should I walk or drive?

https://mastodon.world/@knowmadd/116072773118828295
379•novemp•2h ago•275 comments

Building SQLite with a small swarm

https://kiankyars.github.io/machine_learning/2026/02/12/sqlite.html
47•kyars•3h ago•22 comments

picol: A Tcl interpreter in 500 lines of code

https://github.com/antirez/picol
15•tosh•1h ago•9 comments

Magnus Carlsen Wins the Freestyle (Chess960) World Championship

https://www.fide.com/magnus-carlsen-wins-2026-fide-freestyle-world-championship/
270•prophylaxis•11h ago•155 comments

Expensively Quadratic: The LLM Agent Cost Curve

https://blog.exe.dev/expensively-quadratic
21•luu•3d ago•7 comments

1,300-year-old world chronicle unearthed in Sinai

https://www.heritagedaily.com/2026/02/1300-year-old-world-chronicle-unearthed-in-sinai/156948
28•telotortium•4d ago•3 comments

Arm wants a bigger slice of the chip business

https://www.economist.com/business/2026/02/12/arm-wants-a-bigger-slice-of-the-chip-business
69•andsoitis•6h ago•42 comments

Modern CSS Code Snippets: Stop writing CSS like it's 2015

https://modern-css.com
444•eustoria•15h ago•165 comments

Lost Soviet Moon Lander May Have Been Found

https://www.nytimes.com/2026/02/10/science/luna-9-moon-lander-soviet.html
35•Brajeshwar•4d ago•15 comments

LT6502: A 6502-based homebrew laptop

https://github.com/TechPaula/LT6502
350•classichasclass•16h ago•159 comments

Audio is the one area small labs are winning

https://www.amplifypartners.com/blog-posts/arming-the-rebels-with-gpus-gradium-kyutai-and-audio-ai
191•rocauc•3d ago•38 comments

Show HN: Solving Sudoku reasoning via Energy Geometric models

https://www.davisgeometric.com/index.html
9•epokh•3d ago•1 comments

I gave Claude access to my pen plotter

https://harmonique.one/posts/i-gave-claude-access-to-my-pen-plotter
173•futurecat•2d ago•99 comments

JavaScript-heavy approaches are not compatible with long-term performance goals

https://sgom.es/posts/2026-02-13-js-heavy-approaches-are-not-compatible-with-long-term-performanc...
71•luu•8h ago•69 comments

Databases should contain their own Metadata – Use SQL Everywhere

https://floedb.ai/blog/databases-should-contain-their-own-metadata-instrumentation-in-floe
21•matheusalmeida•4d ago•7 comments

Show HN: Microgpt is a GPT you can visualize in the browser

https://microgpt.boratto.ca
175•b44•14h ago•13 comments

Designing a 36-key custom keyboard layout (2021)

https://peterxjang.medium.com/designing-a-36-key-custom-keyboard-layout-24498a0eecd4
4•speckx•2d ago•0 comments

EU bans the destruction of unsold apparel, clothing, accessories and footwear

https://environment.ec.europa.eu/news/new-eu-rules-stop-destruction-unsold-clothes-and-shoes-2026...
957•giuliomagnifico•16h ago•655 comments

Pocketblue – Fedora Atomic for mobile devices

https://github.com/pocketblue/pocketblue
98•nikodunk•16h ago•17 comments

Error payloads in Zig

https://srcreigh.ca/posts/error-payloads-in-zig/
70•srcreigh•10h ago•27 comments

Real-time PathTracing with global illumination in WebGL

https://erichlof.github.io/THREE.js-PathTracing-Renderer/
153•tobr•3d ago•14 comments

Gwtar: A static efficient single-file HTML format

https://gwern.net/gwtar
224•theblazehen•17h ago•74 comments

I Love Board Games: A Personal Obsession Explained by Psychology

https://www.thesswnetwork.com/post/why-i-love-board-games-a-personal-obsession-explained-by-psych...
47•Propolice•4d ago•34 comments

GNU Pies – Program Invocation and Execution Supervisor

https://www.gnu.org.ua/software/pies/
83•smartmic•12h ago•53 comments

How long do job postings stay open?

https://corvi.careers/blog/job_open_days_by_category_feb_2026/
26•sp1982•1d ago•33 comments

Radio host David Greene says Google's NotebookLM tool stole his voice

https://www.washingtonpost.com/technology/2026/02/15/david-greene-google-ai-podcast/
146•mikhael•15h ago•87 comments

Show HN: Knock-Knock.net – Visualizing the bots knocking on my server's door

https://knock-knock.net
137•djkurlander•16h ago•59 comments

Transforming a Clojure Database into a Library with GraalVM Native Image and FFI

https://avelino.run/chrondb-polyglot-ffi-clojure-graalvm-native-image/
47•PaulHoule•4d ago•2 comments

Amazon's Ring and Google's Nest reveal the severity of U.S. surveillance state

https://greenwald.substack.com/p/amazons-ring-and-googles-nest-unwittingly
823•mikece•20h ago•576 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•9mo ago

Comments

stevoski•9mo 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•9mo 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•9mo 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_•9mo ago
Spotbugs or checkstyle etc... would catch these. What does AI add here?
xyst•9mo 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•9mo 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•9mo 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•9mo 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•9mo 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•9mo ago
stupid af
Traubenfuchs•9mo 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•9mo 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•9mo ago
Can the QA team? How does the dev/staging environment help writing less buggy code?
rad_gruchalski•9mo ago
But can you leetcode heh.
TYMorningCoffee•9mo 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.