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The equality delete problem in Apache Iceberg

news.ycombinator.com Yingjun Wu 2025-11-25 23:27:50

The Equality Delete Problem in Apache Iceberg Yingjun Wu 9 min read · 14 hours ago 14 hours ago -- Listen Share Press enter or click to view image in full size Since last year, Apache Iceberg has been one of the hottest topics in the data infrastructure world. Databricks recently spent $1 billion to acquire Neon, a startup building a serverless Postgres. Snowflake also spent about $250 million to acquire Crunchy Data, a veteran enterprise-grade Postgres provider. These are not random acquisi

Topics: delete deletes equality files iceberg

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CoreWeave shares drop even as revenue and guidance top estimates

cnbc.com Jordan Novet 2025-11-26 21:37:16

Mike Intrator, co-founder and CEO of CoreWeave, speaks at the Nasdaq headquarters in New York on March 28, 2025. CoreWeave shares slid 11% in extended trading on Tuesday even as the provider of artificial intelligence infrastructure issued results and guidance that beat expectations. Here's how the company did in comparison with LSEG consensus: Earnings per share: Loss of 21 cents Loss of 21 cents Revenue: $1.21 billion vs. $1.08 billion expected Revenue more than tripled from $395.4 millio

Topics: billion company coreweave quarter revenue

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CoreWeave shares drop even as revenue tops estimates

cnbc.com Jordan Novet 2025-11-27 02:31:08

Mike Intrator, co-founder and CEO of CoreWeave, speaks at the Nasdaq headquarters in New York on March 28, 2025. CoreWeave shares fell about 6% in extended trading on Tuesday even as the provider of artificial intelligence infrastructure beat estimates for second-quarter revenue Here's how the company did in comparison with LSEG consensus: Earnings per share: Loss of 21 cents Loss of 21 cents Revenue: $1.21 billion vs. $1.08 billion expected Revenue more than tripled from $395.4 million a y

Topics: billion company coreweave loss quarter

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Dreame Just Unveiled Affordable Robot Vacuums That Can Climb Over the Threshold Between Rooms. I Saw Them First

cnet.com See Full Bio 2025-11-27 02:00:00

Dreame is well known for its robot vacuums, with the Dreame X50 Ultra being one of CNET’s top picks due to its ability to cross obstacles with its lift system and advanced mapping and navigation. This feature, first unveiled at CES 2025, is great if you have thresholds in your home, but it's also costly, running around $1,700 at full price. Dreame’s new L40s lineup aims to make this handy feature more affordable, bringing the lift system to the L40s Ultra and premium navigation and multifloor ma

Topics: aqua dreame l40s robot ultra

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Blender is Native on Windows 11 on Arm

news.ycombinator.com Paul Thurrott 2025-11-22 20:26:48

With all the major applications now available natively on Windows 11 on Arm, Qualcomm is working with developers to fill in the gaps. And so now the Blender open source 3D creation app is available natively on the platform, too. “Over a year ago, thanks to the joint efforts of Microsoft, Linaro, and Qualcomm, the ambitious project of porting Blender to the ARM64 architecture running Windows (WoA) began,” the Blender announcement notes. “With Qualcomm’s significant support as a Patron-level memb

Topics: 11 arm blender qualcomm windows

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The Equality Delete Problem in Apache Iceberg

news.ycombinator.com Yingjun Wu 2025-11-27 05:27:50

The Equality Delete Problem in Apache Iceberg Yingjun Wu 9 min read · 6 hours ago 6 hours ago -- Listen Share Press enter or click to view image in full size Since last year, Apache Iceberg has been one of the hottest topics in the data infrastructure world. Databricks recently spent $1 billion to acquire Neon, a startup building a serverless Postgres. Snowflake also spent about $250 million to acquire Crunchy Data, a veteran enterprise-grade Postgres provider. These are not random acquisiti

Topics: delete deletes equality files iceberg

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Google vet raises $8M for Continua to bring AI agents to group chats

techcrunch.com Marina Temkin 2025-11-27 16:15:01

In early 2023, David Petrou, a distinguished engineer and a founding member of both Google Goggles and Google Glass, made a surprising move. After more than 17 years at the company, he departed to launch his own startup. “I was seeing how fast technology was changing, and I felt there are certain ideas that are best explored in the context of a startup,” Petrou told TechCrunch. His ultimate idea was to build Continua, a consumer-facing company that uses AI agents to enhance collaboration and i

Topics: ai continua disrupt group petrou

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In a world of vibe coding startups, Uno Platform is targeting enterprise developers

techcrunch.com Rebecca Szkutak 2025-11-27 21:00:00

Amid the rise of new AI-powered low code developer tools aimed at hobbyists and non-technical folks, Uno Platform is doubling down on enterprise developers instead. Montreal-based Uno Platform offers a suite of enterprise-grade tools for developers to build cross-platform .NET applications that can be supported on Android, Apple, Linux, and Windows systems. Users code an application once and Uno Platform makes it easy to ship other types of applications from the existing codebase. “If you’re c

Topics: disrupt enterprise platform tanguay uno

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Trump says he's open to letting Nvidia sell a downgraded version of its most advanced chip to China

cnbc.com Arjun Kharpal 2025-11-29 00:39:25

Nvidia CEO Jensen Huang, right, speaks alongside President Donald Trump about investing in America, at the White House in Washington, on April 30, 2025. U.S. President Donald Trump has signaled that he'd be open to allowing Nvidia to sell a downgraded version of its most advanced artificial intelligence chip to China. Speaking at a press conference on Monday, Trump said that he could make a deal with Nvidia if it could reduce the performance of its Blackwell system. "It's possible I'd make a

Topics: blackwell china huang said trump

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How to get AI to work in 22 languages

feeds.bbci.co.uk Unknown 2025-11-29 06:01:09

How to get AI to work in 22 languages 60 minutes ago Share Save Priti Gupta Technology Reporter Reporting from Mumbai Share Save Priti Gupta Translation tech has made work easier for Vineet Sawant Vineet Sawant has spent the last two years navigating the streets of Mumbai on a scooter as a delivery driver. "Being on the road is always very stressful and especially in cities like Mumbai," he says. But when he started out language barriers were an additional problem. His first language is Marat

Topics: ai india language languages says

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Trump just handed Apple a huge fiscal Q4 gift

9to5mac.com Marcus Mendes 2025-11-29 06:15:10

Stop us if you’ve heard this one before: just hours before a new wave of tariffs on Chinese goods was set to kick in, President Trump signed an executive order extending the pause by another 90 days. And this time, it’s especially good news for Apple. Today’s move pushes the 145% tariff deadline to mid-November, giving Apple just enough breathing room to get through its fiscal Q4 without a major new cost burden. That’s a big deal because Apple’s fiscal Q4 runs through the end of September, whi

Topics: apple just new quarter tariffs

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Bcachefs to be removed from mainline Linux kernel

news.ycombinator.com Unknown 2025-11-29 21:09:50

* [GIT PULL] bcachefs changes for 6.17 @ 2025-07-28 15:14 Kent Overstreet 2025-08-05 21:19 ` Malte Schröder 2025-08-10 6:20 ` Gerhard Wiesinger 0 siblings, 2 replies; 39+ messages in thread From: Kent Overstreet @ 2025-07-28 15:14 UTC (permalink / raw) To: Linus Torvalds; +Cc: linux-bcachefs, linux-fsdevel, linux-kernel Schedule notes for users: I've been digging through the bug tracker and polling users to see what bugs are still outstanding, and - it's not much. So, the experimental label is c

Topics: bcachefs class convert fs guards

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iRobot’s future isn’t looking up

theverge.com Jennifer Pattison Tuohy 2025-11-30 11:48:52

is a senior reviewer focused on smart home and connected tech, with over twenty years of experience. She has written previously for Wirecutter, Wired, Dwell, BBC, and US News. Posts from this author will be added to your daily email digest and your homepage feed. iRobot, maker of the iconic Roomba robot vacuum, announced its second-quarter earnings late last week, and the numbers keep going down. Despite launching an entirely new product line, its revenue declined 23 percent to $127.6 million

Topics: cohen irobot line new quarter

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Former Cop Says He Routinely Confiscated Guns, Fentanyl and Cocaine at Tesla Factory

futurism.com Unknown 2025-11-30 14:33:13

A lawsuit filed by Ozell Murray, a former police officer fired as head of security at Tesla's factory in Fremont, California, suggests the plant has a severe sexual assault, drug and alcohol abuse, and rampant racism problem. According to the 159-page federal suit, first obtained by The Independent, the officer's team "routinely" confiscated cocaine, fentanyl, and guns onsite. His team also investigated "acts of sexual deviance" and sent employees "home for being alcohol-intoxicated and high on

Topics: black factory musk sexual tesla

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The Download: a quantum radar, and chipmakers’ deal with the US government

technologyreview.com Rhiannon Williams 2025-12-01 11:10:00

Physicists have created a new type of radar that could help improve underground imaging, using a cloud of atoms in a glass cell to detect reflected radio waves. The radar is a type of quantum sensor, an emerging technology that uses the quantum-mechanical properties of objects as measurement devices. It’s still a prototype, but its intended use is to image buried objects in situations such as constructing underground utilities, drilling wells for natural gas, and excavating archaeological sit

Topics: new quantum read story technology

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OpenSSH Post-Quantum Cryptography

news.ycombinator.com Unknown 2025-12-01 11:01:58

OpenSSH Post-Quantum Cryptography OpenSSH supports a number of cryptographic key agreement algorithms considered to be safe against attacks from quantum computers. We recommend that all SSH connections use these algorithms. OpenSSH has offered post-quantum key agreement (KexAlgorithms) by default since release 9.0 (2022), initially via the sntrup761x25519-sha512 algorithm. More recently, in OpenSSH 9.9, we have added a second post-quantum key agreement mlkem768x25519-sha256 and it was made the

Topics: agreement computer key openssh quantum

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Self-Guaranteeing Promises

news.ycombinator.com Steph Ango 2025-12-01 18:03:06

Companies break promises all the time. A self-guaranteeing promise does not require you to trust anyone. You can verify a self-guaranteeing promise yourself. File over app is a self-guaranteeing promise. If files are in your control, in an open format, you can use those files in another app at any time. Not an export. The exact same files. It’s good practice to test this with any self-proclaimed file-over-app app you use. “Stainless steel” is a self-guaranteeing promise. You can test it yourse

Topics: guaranteeing open promise self tool

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Show HN: Bolt – A super-fast, statically-typed scripting language written in C

news.ycombinator.com Unknown 2025-12-01 12:53:09

⚡ Bolt A lightweight, lightning-fast, type-safe embeddable language for real-time applications. import print , error , Error from core import abs , epsilon from math // The return type of safe_divide is inferred to be `Error | number` fn safe_divide ( a : number , b : number ) { if abs ( b ) < epsilon { return error ( "Cannot divide by zero!" ) } return a / b } match let result = safe_divide ( 10 , 5 ) { is Error { // The type of result is narrowed in this branch! print ( "Failed to divide:" ,

Topics: bolt code embedding error language

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An AI-first program synthesis framework built around a new programming language

news.ycombinator.com Unknown 2025-12-01 05:36:21

July 7, 2025 Volume 23, issue 3 PDF Unleashing the Power of End-User Programmable AI Creating an AI-first program Synthesis framework Erik Meijer As a demonstration of what can be accomplished with contemporary LLMs (large language models), this paper outlines the high-level design of an AI-first, program-synthesis framework built around a new programming language, Universalis, designed for knowledge workers to read, optimized for our neural computer (Automind; queue.acm.org) to execute,

Topics: ai language programming universalis user

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A Special Diamond Is the Key to a Fully Open Source Quantum Sensor

wired.com Lily Hay Newman 2025-12-01 09:40:47

Quantum computing is either a distant dream or an imminent reality depending on whom you ask. And while much of this year's Quantum Village at the Defcon security conference in Las Vegas is focused on emerging research and threat analysis, Village cofounders Victoria Kumaran and Mark Carney are also working to make a currently available quantum technology more accessible to hackers and anyone else. In a main-stage Defcon talk on Saturday, the pair will present an open source and affordable quan

Topics: affordable diamond kumaran quantum sensors

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End-User Programmable AI

news.ycombinator.com Unknown 2025-12-01 11:36:21

July 7, 2025 Volume 23, issue 3 PDF Unleashing the Power of End-User Programmable AI Creating an AI-first program Synthesis framework Erik Meijer As a demonstration of what can be accomplished with contemporary LLMs (large language models), this paper outlines the high-level design of an AI-first, program-synthesis framework built around a new programming language, Universalis, designed for knowledge workers to read, optimized for our neural computer (Automind; queue.acm.org) to execute,

Topics: ai language programming universalis user

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Viral Myanmar Earthquake Video Shows First Visual Evidence of Rare Seismic Phenomena

gizmodo.com Margherita Bassi 2025-12-01 10:00:14

In May, we reported on a first-of-its-kind video that captured surface rupture during Myanmar’s devastating 7.7 magnitude earthquake. While the YouTube video now has 1.6 million views, two geophysicists spotted something many people probably didn’t notice. The video seems like a gift that just keeps on giving. As the Kyoto University scientists explain in a study published last month in The Seismic Record, it also includes the first direct visual evidence of pulse-like rupturing and a curved fa

Topics: curved earthquake fault slip video

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Why You Need an Outdoor Air Quality Monitor (2025)

wired.com Lisa Wood Shapiro 2025-12-01 08:34:00

It wasn’t that long ago that few people were monitoring the air—not the government, not its citizens. Today, weather apps provide estimates of outdoor air quality, and the government’s own air quality monitoring website, AirNow, has an easy-to-use zip code portal and fire and smoke map. There are real health benefits to owning an air quality monitor. Each US state is responsible for developing its own monitoring plan. Even in densely populated urban areas, outdoor air monitors owned by federal,

Topics: air monitor outdoor purpleair quality

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Quantum Computers Are Here and They’re Real. You Just Haven’t Noticed Yet

gizmodo.com Gayoung Lee 2025-12-01 11:00:22

The promise of quantum computers appears to be that they will upend modern computing as we know it. With exceptional computational power, they’ll be performing feats unimaginable for any classical supercomputer. The reality of quantum computers hasn’t quite lived up to its hype, however. Claims of “quantum advantage”—problems regular computers can’t solve but quantum computers can—draw criticism from both skeptics and enthusiasts in the field. Certainly, we’ve seen genuinely impressive advancem

Topics: advantage classical computers computing quantum

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First-Ever Look at Exploding Molecules Reveals Their Quantum Secrets

gizmodo.com Gayoung Lee 2025-12-02 02:05:43

In the quantum world, molecules are always on the move. And for the first time ever, scientists have directly captured these tiny quantum dances in action—and they did so by blowing them up real good. Even at absolute zero, individual particles constantly vibrate without a fixed position, a phenomenon referred to as zero-point motion. In a paper published August 7 in Science, researchers at European XFEL harnessed this behavior for the 2-iodopyridine molecule, which consists of 11 atoms. By bla

Topics: atoms molecule molecules motion quantum

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The winners and losers in tech's AI-powered ad race

cnbc.com Jonathan Vanian 2025-12-02 16:59:14

In this article META GOOGL RDDT SNAP PINS Follow your favorite stocks CREATE FREE ACCOUNT watch now Artificial intelligence has been a shot in the arm for digital advertising. Meta and Alphabet both reported sales and earnings that beat Wall Street's expectations, but the strength in digital ad spend was notable. Meta CEO Mark Zuckerberg said during the earnings call that AI helped imbue "greater efficiency and gains across our ad system," thus contributing to the 22% year-over-year increa

Topics: billion earnings meta quarter said

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Tech is getting a boost from AI ad tools. Some companies are being left behind

cnbc.com Jonathan Vanian 2025-12-03 02:51:45

In this article META GOOGL RDDT SNAP PINS Follow your favorite stocks CREATE FREE ACCOUNT Mark Zuckerberg, CEO of Meta Platforms Inc., arrives for the Meta Connect event in Menlo Park, California, on Sept. 25, 2024. David Paul Morris | Bloomberg | Getty Images Artificial intelligence has been a shot in the arm for digital advertising. Meta and Alphabet both reported sales and earnings that beat Wall Street's expectations, but the strength in digital ad spend was notable. Meta CEO Mark Zuck

Topics: billion earnings meta quarter said

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China Opens ‘Robot Mall,’ Its First Mall for Robots

gizmodo.com Bruce Gil 2025-12-03 02:40:25

China opened its first full-scale shopping center dedicated entirely to robots on Friday, as part of a broader push to bring robotics from research labs into people’s homes. The four-story Robot Mall, located in Beijing’s high-tech E-Town district, showcases more than 100 robots from over 40 brands, including Chinese companies like Ubtech Robotics and Unitree Robotics. The store operates like a car dealership, but for robots. It follows the “4S” model common in China, offering sales, service, s

Topics: mall robot robotics robots yuan

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Apple’s lock on iPhone browser engines gets a December deadline

theverge.com Jess Weatherbed 2025-12-04 04:15:40

is a news writer focused on creative industries, computing, and internet culture. Jess started her career at TechRadar, covering news and hardware reviews. Posts from this author will be added to your daily email digest and your homepage feed. We might finally see the first iPhone browsers built on top of third-party engines now that Japanese regulators have taken up the issue. Apple’s malicious compliance in the EU has so far prevented Chrome, and its Blink engine, for example, from coming t

Topics: alternative apple browser engines individual

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Meta says these wild headset prototypes could be the future of VR

engadget.com Unknown 2025-12-04 16:51:32

Meta previewed some of its latest virtual reality prototypes this week, with concepts that are compelling on the specs and long on the design. Literally. The company shared some details on its Tiramisu project, dubbing it "hyperrealistic VR." This set promises three times the contrast, 14 times the maximum brightness and 3.6 times the angular resolution of the Meta Quest 3. In actual stats, that's up to 1,400 nits of brightness and an angular resolution of 90 pixels per degree. One of the goals

Topics: degrees meta reality times virtual

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Latest Tech News

The equality delete problem in Apache Iceberg

CoreWeave shares drop even as revenue and guidance top estimates

CoreWeave shares drop even as revenue tops estimates

Dreame Just Unveiled Affordable Robot Vacuums That Can Climb Over the Threshold Between Rooms. I Saw Them First

Blender is Native on Windows 11 on Arm

The Equality Delete Problem in Apache Iceberg

Google vet raises $8M for Continua to bring AI agents to group chats

In a world of vibe coding startups, Uno Platform is targeting enterprise developers

Trump says he's open to letting Nvidia sell a downgraded version of its most advanced chip to China

How to get AI to work in 22 languages

Trump just handed Apple a huge fiscal Q4 gift

Bcachefs to be removed from mainline Linux kernel

iRobot’s future isn’t looking up

Former Cop Says He Routinely Confiscated Guns, Fentanyl and Cocaine at Tesla Factory

The Download: a quantum radar, and chipmakers’ deal with the US government

OpenSSH Post-Quantum Cryptography

Self-Guaranteeing Promises

Show HN: Bolt – A super-fast, statically-typed scripting language written in C

An AI-first program synthesis framework built around a new programming language

A Special Diamond Is the Key to a Fully Open Source Quantum Sensor

End-User Programmable AI

Viral Myanmar Earthquake Video Shows First Visual Evidence of Rare Seismic Phenomena

Why You Need an Outdoor Air Quality Monitor (2025)

Quantum Computers Are Here and They’re Real. You Just Haven’t Noticed Yet

First-Ever Look at Exploding Molecules Reveals Their Quantum Secrets

The winners and losers in tech's AI-powered ad race

Tech is getting a boost from AI ad tools. Some companies are being left behind

China Opens ‘Robot Mall,’ Its First Mall for Robots

Apple’s lock on iPhone browser engines gets a December deadline

Meta says these wild headset prototypes could be the future of VR

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