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Open Source @Github

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Regressive JPEGs

https://maurycyz.com/projects/bad_jpeg/
254•vitaut•5h ago•15 comments

Reviving a 15-year-old netbook with Arch Linux

https://parksb.github.io/en/article/41.html
90•parksb•3d ago•49 comments

AWS: Inaccurate Estimated Billing Data – $1.7 billion

1164•nprateem•22h ago•698 comments

Thanks HN for 15 years of support and helping me find my life's work

553•nicholasjbs•15h ago•54 comments

First atmosphere found on Earth-like planet in habitable zone of distant star

https://www.bbc.com/news/articles/cy4kdd1e0ejo
445•neversaydie•18h ago•262 comments

The Zilog Z80 has turned 50

https://goliath32.com/blog/z80.html
213•st_goliath•12h ago•74 comments

TP-Link Kasa cameras leaked home GPS via unauthenticated UDP for 6 years

https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/TP-Link_Kasa_EC71/Kasa...
115•BadChemical•10h ago•28 comments

Learning a few things about running SQLite

https://jvns.ca/blog/2026/07/17/learning-about-running-sqlite/
240•surprisetalk•14h ago•63 comments

In-toto: A framework to secure the integrity of software supply chains

https://in-toto.io/
14•Erenay09•1d ago•0 comments

Porting nanochat to a TPU: what carries over from PyTorch, and what breaks

https://github.com/tucan9389/nanochat-jax/discussions/1
13•tucan9389•3d ago•0 comments

Stenchill: 3D Printable Solder Paste Stencil Generator

https://www.stenchill.com/en/
47•radeeyate•7h ago•9 comments

Kimi K3, and what we can still learn from the pelican benchmark

https://simonwillison.net/2026/Jul/16/kimi-k3/
331•droidjj•18h ago•171 comments

I started a “dirt notebook”

https://pinewind.bearblog.dev/i-started-a-dirt-notebook/
56•herbertl•7h ago•48 comments

Vāgdhenu: A Sanskrit Chanting TTS System

https://prathosh.in/vagdhenu/
154•subinalex•4d ago•35 comments

An Update on Igalia's Layer Based SVG Engine in WebKit (Reducing Layer Overhead)

https://blogs.igalia.com/nzimmermann/posts/2026-07-14-lbse-conditional-layers/
43•bkardell•3d ago•2 comments

Static search trees: 40x faster than binary search (2024)

https://curiouscoding.nl/posts/static-search-tree/
108•lalitmaganti•12h ago•6 comments

Battery packs: Let's talk about crates, baby

https://smallcultfollowing.com/babysteps/blog/2026/07/15/battery-packs/
15•MeetingsBrowser•1d ago•6 comments

Show HN: IKEA Complexity Index

https://ikea.greg.technology/
13•gregsadetsky•4h ago•9 comments

Lego building instructions through time

https://www.lego.com/en-us/history/articles/d-lego-building-instructions-through-time
118•NaOH•14h ago•26 comments

DrDroid (YC W23) Is Hiring

https://www.ycombinator.com/companies/drdroid/jobs/w45QcNV-product-engineer-assignment-mandatory
1•TheBengaluruGuy•7h ago

Shipping OpenStrike: A Counter-Strike-Shaped FPS on a 2004 Handheld

https://pocketjs.dev/blog/shipping-openstrike/
41•itvision•6d ago•13 comments

The Isomorphic Labs Drug Design Engine unlocks a new frontier beyond AlphaFold

https://www.isomorphiclabs.com/articles/the-isomorphic-labs-drug-design-engine-unlocks-a-new-fron...
72•andsoitis•9h ago•6 comments

Open Book Touch: open-source e-reader

https://www.crowdsupply.com/oddly-specific-objects/open-book-touch
108•surprisetalk•11h ago•36 comments

Quintile – keyboard N×M grid tiling for macOS

https://github.com/stefanopineda/quintile
4•stefanopineda•5d ago•1 comments

Painting the sides of railroad rails white to reduce derailment

https://www.up.com/news/safety/Tracking-Rail-Heat-260608
91•zdw•12h ago•45 comments

The state of open source AI

https://stateofopensource.ai/
429•rellem•18h ago•306 comments

Kaiser nurses say AI, surveillance are making their jobs and patient care worse

https://localnewsmatters.org/2026/07/15/kaiser-nurses-say-ai-workplace-surveillance-are-making-th...
494•gnabgib•10h ago•313 comments

Show HN: A zoomable timeline of 4M Wikipedia events

https://app.everything.diena.co/
90•lortex•14h ago•32 comments

Frank Lloyd Wright’s first home

https://www.architecturaldigest.com/story/frank-lloyd-wright-home-and-studio-everything-you-need-...
100•NaOH•5d ago•51 comments

Moonstone: Modern, cross-platform Lua runtime and package manager written in Zig

https://moonstone.sh/
54•ksymph•7h ago•13 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.