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Claude Code's binary reveals silent A/B tests on core features

https://backnotprop.com/blog/do-not-ab-test-my-workflow/
48•ramoz•23m ago•21 comments

1M context is now generally available for Opus 4.6 and Sonnet 4.6

https://claude.com/blog/1m-context-ga
802•meetpateltech•18h ago•314 comments

Baochip-1x: What It Is, Why I'm Doing It Now and How It Came About

https://www.crowdsupply.com/baochip/dabao/updates/what-it-is-why-im-doing-it-now-and-how-it-came-...
43•timhh•2d ago•6 comments

A Survival Guide to a PhD (2016)

http://karpathy.github.io/2016/09/07/phd/
117•vismit2000•4d ago•62 comments

Qatar helium shutdown puts chip supply chain on a two-week clock

https://www.tomshardware.com/tech-industry/qatar-helium-shutdown-puts-chip-supply-chain-on-a-two-...
609•johnbarron•23h ago•519 comments

The Isolation Trap: Erlang

https://causality.blog/essays/the-isolation-trap/
64•enz•2d ago•13 comments

You gotta think outside the hypercube

https://lcamtuf.substack.com/p/you-gotta-think-outside-the-hypercube
73•surprisetalk•3d ago•22 comments

Show HN: Channel Surfer – Watch YouTube like it’s cable TV

https://channelsurfer.tv
528•kilroy123•2d ago•155 comments

Megadev: A Development Kit for the Sega Mega Drive and Mega CD Hardware

https://github.com/drojaazu/megadev
12•XzetaU8•3h ago•0 comments

Wired headphone sales are exploding

https://www.bbc.com/future/article/20260310-wired-headphones-are-better-than-bluetooth
167•billybuckwheat•2d ago•274 comments

Mouser: An open source alternative to Logi-Plus mouse software

https://github.com/TomBadash/MouseControl
329•avionics-guy•17h ago•95 comments

Recursive Problems Benefit from Recursive Solutions

https://jnkr.tech/blog/recursive-benefits-recursive
27•luispa•3d ago•9 comments

Hammerspoon

https://github.com/Hammerspoon/hammerspoon
294•tosh•17h ago•106 comments

I found 39 Algolia admin keys exposed across open source documentation sites

https://benzimmermann.dev/blog/algolia-docsearch-admin-keys
133•kernelrocks•13h ago•33 comments

Can I run AI locally?

https://www.canirun.ai/
1250•ricardbejarano•23h ago•309 comments

Parallels confirms MacBook Neo can run Windows in a virtual machine

https://www.macrumors.com/2026/03/13/macbook-neo-runs-windows-11-vm/
275•tosh•21h ago•384 comments

How Lego builds a new Lego set

https://www.theverge.com/c/23991049/lego-ideas-polaroid-onestep-behind-the-scenes-price
7•Michelangelo11•33m ago•0 comments

AEP (API Design Standard and Tooling Ecosystem)

https://aep.dev/
21•rambleraptor•3d ago•7 comments

Atari 2600 BASIC Programming (2015)

https://huguesjohnson.com/programming/atari-2600-basic/
31•mondobe•2d ago•6 comments

Digg is gone again

https://digg.com/
210•hammerbrostime•17h ago•187 comments

Optimizing Content for Agents

https://cra.mr/optimizing-content-for-agents/
50•vinhnx•9h ago•20 comments

RAM kits are now sold with one fake RAM stick alongside a real one

https://www.tomshardware.com/pc-components/ram/fake-ram-bundled-with-real-ram-to-create-a-perform...
20•edward•2h ago•6 comments

Games with loot boxes to get minimum 16 age rating across Europe

https://www.bbc.com/news/articles/cge84xqjg5lo
221•gostsamo•12h ago•127 comments

Michael Faraday: Scientist and Nonconformist (1996)

http://silas.psfc.mit.edu/Faraday/
8•o4c•3d ago•0 comments

I beg you to follow Crocker's Rules, even if you will be rude to me

https://lr0.org/blog/p/crocker/
81•ghd_•12h ago•120 comments

Emacs and Vim in the Age of AI

https://batsov.com/articles/2026/03/09/emacs-and-vim-in-the-age-of-ai/
158•psibi•4d ago•104 comments

Coding after coders: The end of computer programming as we know it?

https://www.nytimes.com/2026/03/12/magazine/ai-coding-programming-jobs-claude-chatgpt.html?smid=u...
135•angst•2d ago•171 comments

New 'negative light' technology hides data transfers in plain sight

https://www.unsw.edu.au/newsroom/news/2026/03/New-negative-light-technology-hides-data-transfers-...
91•wjSgoWPm5bWAhXB•2d ago•55 comments

Elon Musk pushes out more xAI founders as AI coding effort falters

https://www.ft.com/content/e5fbc6c2-d5a6-4b97-a105-6a96ea849de5
451•merksittich•19h ago•674 comments

Using Thunderbird for RSS

https://rubenerd.com/using-thunderbird-for-rss/
104•ingve•4d ago•31 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.