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RegreSQL: Regression Testing for PostgreSQL Queries

RegreSQL: Regression Testing for PostgreSQL Queries

đź’Ą Discover this trending post from Hacker News đź“– đź“‚ Category: âś… Key idea: TL;DR - RegreSQL brings PostgreSQL's regression testing methodology to your application queries, catching both correctness bugs and performance regressions before production. As puzzling as it might seem, the common problem with production changes is the ever-present "AHA" moment when things start slowing down or crashing straight away. Testing isn't easy as it is, but there's a widespread practice gap when it comes to testing SQL queries. Some might pretend to "fix it" by using ORMs to abstract away the problem. Others treat SQL as "just glue…
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Experimenting with Sound in 19th-Century Popular Science — The Public Domain Review

Experimenting with Sound in 19th-Century Popular Science — The Public Domain Review

✨ Discover this awesome post from Hacker News đź“– đź“‚ Category: 📌 Main takeaway: Mayer patiently introduces children to many of the cutting-edge principles and theories of sound that were circulating in the late nineteenth century, covering topics such as reflection, transmission, vibration, and velocity, along with many newly discovered techniques for rendering sound visible, among them the ubiquitous Chladni figures. But in addition to imparting scientific knowledge, it is striking to note how many of these demonstrations are described in aesthetic terms, as being “beautiful”, “lovely”, or “harmonious”. Mayer clearly perceived both aesthetic and intellectual value in his experiments,…
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Why Fei-Fei Li and Yann LeCun Are Both Betting on “World Models” — and How Their Bets Differ

Why Fei-Fei Li and Yann LeCun Are Both Betting on “World Models” — and How Their Bets Differ

🚀 Check out this trending post from Hacker News đź“– đź“‚ Category: 📌 Here’s what you’ll learn: AI has finally reached the “we need to model the whole world” phase. In the same season, Fei-Fei Li’s World Labs shipped Marble, a “multimodal world model” that turns prompts into walkable 3D scenes in your browser, and reports emerged that Meta’s chief AI scientist Yann LeCun is leaving to build a world-model startup of his own. DeepMind, meanwhile, is calling its new interactive video engine Genie 3 a world model as well. Same phrase. Three very different bets. The week “world models”…
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Copyright Winter is Coming (to Wikipedia?)

Copyright Winter is Coming (to Wikipedia?)

✨ Explore this insightful post from Hacker News đź“– đź“‚ Category: đź’ˇ Main takeaway: This is a guest post by Matthew Sag, Jonas Robitscher Professor of Law in Artificial Intelligence, Machine Learning and Data Science at Emory University Law School. It was originally posted here, addressing Judge Stein’s Order Denying OpenAI’s Motion to Dismiss in Authors Guild v. OpenAI, Inc., No. 25-md-3143 (SHS) (OTW) (S.D.N.Y. Oct. 27, 2025).A white walker in a desolate field reading Wikipedia (an AI Image by Gemini)A new ruling in Authors Guild v. OpenAI has major implications for copyright law, well beyond artificial intelligence. On October…
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Fannie Mae officials ousted after concerns over confidential data

Fannie Mae officials ousted after concerns over confidential data

🔥 Check out this insightful post from Hacker News đź“– đź“‚ Category: 📌 Here’s what you’ll learn: WASHINGTON (AP) — A confidant of Bill Pulte, the Trump administration’s top housing regulator, provided confidential mortgage pricing data from Fannie Mae to a principal competitor, alarming senior officials of the government-backed lending giant who warned it could expose the company to claims that it was colluding with a rival to fix mortgage rates.Emails reviewed by The Associated Press show that Fannie Mae executives were unnerved about what one called the “very problematic” disclosure of data by Lauren Smith, the company’s head of…
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Running Your Own ISP at Home Part.5

Running Your Own ISP at Home Part.5

🔥 Check out this insightful post from Hacker News đź“– đź“‚ Category: âś… Main takeaway: This article is currently an experimental machine translation and may contain errors. If anything is unclear, please refer to the original Chinese version. I am continuously working to improve the translation.IntroductionThis blog post should be the final part of the “Running Your Own ISP at Home” series, and we’re going to talk about how to modify the geolocation of the IP addresses we announce.By tweaking IP geolocation, you can:Display absurd IP locations on various platforms — for example, Antarctica (which barely has internet infrastructure), North…
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Mini Apps Partner Program – Apple Developer

Mini Apps Partner Program – Apple Developer

đź’Ą Explore this awesome post from Hacker News đź“– đź“‚ Category: âś… Here’s what you’ll learn: How it works This program is designed for developers who host mini apps and games, which are experiences that are built using web technologies like HTML5 or JavaScript and distributed within a larger, native app. Participating apps are required to support certain App Store technologies, including the Declared Age Range API and the Advanced Commerce API in order to provide a safe and seamless experience for customers. As a result, program members earn 85% of qualifying In‑App Purchase sales within qualifying mini apps. Implement host app…
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Blue Origin sticks first New Glenn rocket landing and launches NASA spacecraft

Blue Origin sticks first New Glenn rocket landing and launches NASA spacecraft

✨ Discover this trending post from Hacker News đź“– đź“‚ Category: đź’ˇ Key idea: Jeff Bezos’ Blue Origin has landed the booster of its New Glenn mega-rocket on a drone ship in the Atlantic Ocean on just its second attempt — making it the second company to perform such a feat, following Elon Musk’s SpaceX. It’s an accomplishment that will help the new rocket system become an option to send larger payloads to space, the moon, and beyond. Thursday’s launch wasn’t just about the landing attempt, though. Roughly 34 minutes after takeoff, the upper stage of New Glenn successfully deployed…
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650GB of Data (Delta Lake on S3). Polars vs DuckDB vs Daft vs Spark.

650GB of Data (Delta Lake on S3). Polars vs DuckDB vs Daft vs Spark.

✨ Explore this insightful post from Hacker News đź“– đź“‚ Category: đź’ˇ Here’s what you’ll learn: I recently tried to light the tinder for what I hoped would be a revolt — the Single Node Rebellion — but, of course, it sputtered out immediately. Truth be told, it was one of the most popular articles I’ve written about in some time, purely based on the stats.The fact that I even sold t-shirts, tells me I have born a few acolytes into this troubled Lake House world.Without rehashing the entire article, it’s clear that there is what I would call “cluster fatigue.”…
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Guests ejected mid-stay from bankrupt hotel chain Sonder

Guests ejected mid-stay from bankrupt hotel chain Sonder

✨ Discover this insightful post from Hacker News đź“– đź“‚ Category: đź’ˇ Key idea: Faarea Masud,Business reporter and Danielle Kaye,Business reporterGetty ImagesGuests across the world have been told to leave their accommodation mid-holiday after property rentals firm Sonder suddenly went bankrupt.The collapse came after hotel chain Marriott terminated its leasing agreement with Sonder, a year after the partnership had been established. It allowed Sonder rooms to be booked via Marriott's various booking platforms and app.But Marriott said "Sonder's default" had led it to break up with the short-term rentals and serviced apartments firm.One customer on Reddit said he couldn't get…
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