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Techie
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Show HN: Fahmatrix – A Lightweight, Pandas-Like DataFrame Library for Java

Hey HN,

I’ve built Fahmatrix, a minimal, fast Java library for working with tabular data — inspired by Python’s pandas, but designed for performance and simplicity on the JVM.

After working extensively with Python’s data stack, I often ran into limitations related to speed, especially in larger or long-running data workflows. So I built Fahmatrix from scratch to offer similar APIs for manipulating CSVs, performing summary statistics, slicing rows/columns, and more — but all in Java.

Fe

Show HN: Merliot – plugging physical devices into LLMs

Merliot Hub is an AI-integrated device hub.

What does that mean? It means you can control and interact with your physical devices, your security cameras, your thermometer, seamlessly using natural language from an LLM host such as Claude Desktop or Cursor. The hub is a gateway between AI and the physical world.

What could go wrong?


Comments URL: https://news.ycombinator.com/item?id=44011254

Points: 11

#

Show HN: Roast My Dish – AI roasts your food photos with brutal honesty

Hey HN! I created a web app called Roast My Dish, it's a fun side project where you upload a photo of your dish, and an AI chef roasts it brutally. After the roast, it gives you a personalized "redemption" recipe to help you improve (or laugh).

It's built using Next.js, Tailwind.css, MongoDB, Azure Open Ai API, and I tried to mix entertainment with a bit of usefulness. Great for foodies, meme lovers, and anyone curious about AI + humor use cases.

Would love your feedback or ideas to impr

I Never Leave Home Without This Do-It-All Multitool, and It's Less Than $30 on Amazon

I add this versatile multitool to every go bag and keep one on my keychain, too. I unreservedly recommend it at full price, and right now you can get it for less. https://www.cnet.com/deals/i-never-leave-home-without-this-multitool-and-its-less-than-30-on-amazon/#ftag=CADf328eec

9d | cnet.com
I'm Putting Apple AirTags in Every Suitcase I Own, and They're on Sale Now at Amazon

I track everything from keys to cars using Apple AirTags. And now that you can get a four-pack for almost $20 off at both Amazon and Best Buy, it's a good time to stock up. https://www.cnet.com/deals/im-putting-apple-airtags-in-every-suitcase-i-own-and-theyre-on-sale-now-at-amazon-and-best-buy/#ftag=CADf328eec

9d | cnet.com
 Google's AI Overviews are often so confidently wrong that I’ve lost all trust in them

Google's AI Overviews are helpful little summaries that provide quick answers to most queries. That's fine when it's only the beginning of your research, but what if it's wrong – and your main source?

https://www.techradar.com/computing/artificial-intelligence/googles-ai-overviews-are-often-so-confidently-wrong-that-ive-lost-all-trust-in-them

Show HN: Solidis – Tiny TS Redis client, no deps, for serverless

Hey everyone!

Over the past two years I threw myself back into full-time engineering with a simple goal: write code that gives back to the community. After a lot of late-night FOMO (“AI will do it all for us, right?”) and some painful production incidents, I finally turned my weekend project into an open-source library.

[ What is Solidis? ]

- Super-light ( 30 KB) RESP2/RESP3 client with zero runtime deps and first-class ESM/CJS support.

- Fully tree-shakable

Looking for Memorial Day Travel Entertainment? I Have a Surprising Answer: Library Cards

Library cards be "one of the most powerful tools anyone can have which offers access to many resources beyond books," one advocate told CNET, and those resources can make travel a lot more fun. https://www.cnet.com/culture/entertainment/looking-for-memorial-day-travel-entertainment-i-have-a-surprising-answer-library-cards/#ftag=CADf328eec

9d | cnet.com
 Early Memorial Day gaming laptop sales: 7 epic deals to shop this weekend

Memorial Day gaming laptop sales are taking over the season with epic deals on our favorite gamer rigs.

https://www.laptopmag.com/deals/memorial-day-gaming-laptop-sales

Dali’s V-16F subwoofer will break your back and your bank balance

At Munich High End Danish audio company Dali took the covers off its flagship subwoofer, and much like the Marvel superhero Thor, it is mighty. Dali say they built the V-16F subwoofer without any compromises and ranks it as its most powerful subwoofer yet, offering “ceiling-shaking bass” and the ability to fill large rooms as [...]

The post Dali’s V-16F subwoofer will break your back and your

The FDA clears the first blood test for diagnosing Alzheimer's disease

There's a new way to screen for early detection of Alzheimer's disease. On Friday, the Food and Drug Administration (FDA) cleared the first blood test for the disorder. Fujirebio Diagnostics' Lumipulse measures the ratio of two proteins that correlate with the presence or absence

9d | Engadget
Meta is trying to get its antitrust case thrown out in the middle of the trial

The FTC just rested its case following weeks of testimony in a landmark antitrust case against Meta. But before Meta can begin its defense, the company's lawyers have opted for another move: asking the judge to throw out the case entirely.

The company filed a motion on Thursday

9d | Engadget
Bungie admits its Marathon alpha included stolen artwork

The bright, glitched-out, typography-forward look of Bungie's upcoming extraction shooter Marathon is one of its defining features. As it turns out, it's also partially plagiarized,

9d | Engadget
How to watch Google I/O 2025

It's still May, which means it's still Google time. After showing off Android's new look at The Android Show, the company still has its developer conference to check off the list.

9d | Engadget
Show HN: KVSplit – Run 2-3x longer contexts on Apple Silicon

I discovered that in LLM inference, keys and values in the KV cache have very different quantization sensitivities. Keys need higher precision than values to maintain quality.

I patched llama.cpp to enable different bit-widths for keys vs. values on Apple Silicon. The results are surprising:

- K8V4 (8-bit keys, 4-bit values): 59% memory reduction with only 0.86% perplexity loss - K4V8 (4-bit keys, 8-bit values): 59% memory reduction but 6.06% perplexity loss - The configurations use the

Nintendo Store Levels Up in San Francisco: A First Look Inside the Ultimate Fan Experience

Tour the brand-new flagship store, where decades of gaming history collide with sleek design, character cameos and interactive zones built for gaming joy. https://www.cnet.com/pictures/nintendo-store-levels-up-in-san-francisco-a-first-look-inside-the-ultimate-fan-experience/#ftag=CADf328eec

9d | cnet.com
Trump Tax Cut Extension Grinds to a Halt: Here's What It Might Cost You

Donald Trump and the GOP's proposed extension of the 2017 tax cuts failed a key vote this week, but the reasons why could make things even worse for Medicaid. https://www.cnet.com/personal-finance/taxes/trump-tax-cut-extension-grinds-to-a-halt-heres-what-it-might-cost-you/#ftag=CADf328eec

9d | cnet.com
More Classic Switch games are getting Switch 2 upgrades for free

Nintendo has confirmed a few more popular OG Switch games are going to receive updates for the Switch 2 console – and this time they’re free. Some of the best Nintendo Switch games, like Super Mario Odyssey and Link’s Awakening, are getting a boost on the house, although the improvements aren’t quite as noteworthy as [...]

The post More Classic Switch games are gett

Switch 2 Joy-Cons will be much easier to find

Just because the Nintendo Switch 2 Joy-Cons have mouse functionality, it doesn’t mean that they’re going to go scurrying away under the couch. However, the plucky Switch 2 controllers may, like their predecessors, have the tendency to slide between the sofa cushions every once in a while. Thankfully Nintendo is improving the situation by offering [...]

The post Switch 2 Joy-Cons will

Arm’s ubiquitous CPU cores get new, less confusing names
Do HBO’s owners have any actual idea what they’re doing with Max?
This new VPN technology doesn’t want to know who you are – that’s why NymVPN stands out from the crowd
Apple claims it's not blocking Epic from offering Fortnite in the EU

After claiming that Apple was blocking Epic from offering Fortnite in both the US App Store and the Epic Games Store in the European Union, Apple now says it wasn't, according to

9d | Engadget
FCC approves Verizon's $20 billion merger with Frontier

The FCC has announced its approval of the merger between communications giants Verizon and Frontier, after a deal was made last year. Verizon will acquire Frontier Communications for $9.6 billion in cash, in addition to absorbing $

9d | Engadget
More Switch games are getting Switch 2 upgrades

More original Switch games are getting the Switch 2 treatment. Although their enhancements are subtler than the Switch 2 editions of Breath of the Wild and Tears of the Kingdom, at least these will be free updates.

On Friday, Nintendo

9d | Engadget
Kojima is leaving behind a USB stick with game ideas for after he dies

Iconic video game maker Hideo Kojima has left behind a USB stick filled with game ideas in the case of his death, as indicated in an interview with

9d | Engadget
Ask Engadget: How do I answer calls on my iPhone with only my voice?

Last August, my best friend asked me how she could help her neighbor set her iPhone so she could answer it without picking it up. The neighbor had Multiple Sclerosis (MS), and had lost dexterity in both hands over time. Some Google searches revealed I was

9d | Engadget
The Real Cost of Owning a Gas Fireplace

Considering using your gas fireplace later in the year? It's definitely nice to cozy up to. But how much do they really cost to run? We break it down for you. https://www.cnet.com/how-to/the-real-cost-of-owning-a-gas-fireplace/#ftag=CADf328eec

9d | cnet.com
 "A clear escalation in Russia’s crackdown on digital privacy tools" – experts warn against recent VPN disappearances in Russia

The VPN purge from Russian official app stores continues as smaller providers like Samsung, Xiaomi, and Huawei become the next target. Experts at the VPN Guild are calling to hold tech platforms accountable.

https://www.techradar.com/vpn/vpn-privacy-security/a-clear-escalation-in-russias-crackdown-on-digital-privacy-tools-experts-warn-against-recent-vpn-disa

 Tariffs are among the reasons 6 new Acer Aspire laptops aren't ready for the U.S.

Six new Acer Aspire AI laptops debuted Friday, but their future in the U.S. is uncertain because of tariffs and other factors.

https://www.laptopmag.com/laptops/acer-aspire-laptops-2025-trump-tariffs

Huawei Watch Fit 4 vs Huawei Fit 4 Pro: What’s the difference?

We've compared the newly launched Huawei Watch Fit 4 to its pricier counterpart Fit 4 Pro, to help you decide which one might suit you best.

The post Huawei Watch Fit 4 vs Huawei Fit 4 Pro: What’s the difference? appeared first on Trusted Reviews.

https://www.trustedreviews.com/versus/huawei-watch-fit-4-vs-fit-4-pro

 Microsoft's allegiance isn't to OpenAI's pricey models — Satya Nadella's focus is selling any AI customers want for maximum profits

Microsoft's allegiance isn't to OpenAI's exorbitant AI models and technology. Instead, Satya Nadella focuses on making whatever AI models or products accessible to customers via Azure.

https://www.windowscentral.com/microsoft/microsofts-allegiance-isnt-to-openais-pricey-models

 Surviving a 10 year stint in dev hell, this retro-styled hack n' slash has finally arrived on Xbox

Take to the high seas of the 17th-century Spanish Main as a fearsome pirate in Captain Blood, a retro hack-and-slash that spent more than a decade shelved and forgotten before being revived and released for Xbox in May 2025.

https://www.windowscentral.com/gaming/xbox/surviving-a-10-year-stint-in-dev-hell-this-retro-styled-hack-n-slash-has-finally-arrived-on-

 Save $100 on the 1TB Lenovo Legion Go — now the same price as the 512GB model

Now $100 off, the 1TB Lenovo Legion Go is the same price as the 512GB model and stands out with its large screen, kickstand, and detachable controllers.

https://www.windowscentral.com/gaming/pc-gaming/save-usd100-on-the-1tb-lenovo-legion-go-now-the-same-price-as-the-512gb-model

Lexar’s 512GB microSD card is now $27, the lowest it’s ever been
Microsoft is bringing back Windows 10’s second hand display after backlash