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Data Modeling Guide for Real-Time Analytics with ClickHouse

news.ycombinator.com Unknown 2025-10-09 11:51:27

This article was written as part of my services Querying billions of weather records and getting results in under 200 milliseconds isn’t theory; it’s what real-time analytics solutions provide. Processing streaming IoT data from thousands of sensors while delivering real-time dashboards with no lag is what certain business domains need. That’s what you’ll learn at the end of this guide through building a ClickHouse-modeled analytics use case. You’ll learn how to land data in ClickHouse that is

Topics: clickhouse data modeling query time

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OpenAI is reportedly producing its own AI chips starting next year

engadget.com Unknown 2025-10-10 01:39:24

OpenAI is gearing up to start the mass production of its own AI chips next year to be able to provide the massive computing power its users need and to lessen its reliance on NVIDIA, according to the Financial Times. The company reportedly designed the custom AI chip with US semiconductor maker Broadcom, whose CEO recently announced that it has a new client that put in a whopping $10 billion in orders. It didn't name the client, but the Times' sources confirmed that it was OpenAI, which apparent

Topics: ai chips company openai times

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These cool earbuds bring crazy translation smarts for your travels

androidauthority.com Unknown 2025-10-10 02:00:37

Supplied by Timekettle TL;DR Timekettle has launched the W4 translation earbuds. These earbuds offer a more conventional earbud design but still offer real-time translation and automatic mode switching. The earbuds go on sale today for $349. Timekettle has made a name for itself thanks to its translation earbuds. Its recent W4 Pro earbuds automatically translate dozens of languages during speech and calls. Now, the company has announced a new pair of buds. The Timekettle W4 AI Interpreter E

Topics: buds earbuds timekettle translation w4

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Timekettle’s new translation earbuds are made for sharing

theverge.com Andrew Liszewski 2025-10-10 02:00:00

is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid. Posts from this author will be added to your daily email digest and your homepage feed. Timekettle has announced a new pair of real-time translation headphones called the W4 AI Interpreter Earbuds. They use bone conduction technology that helps improve accuracy in loud environments. Available now for $349 in navy blue and sandy gold color optio

Topics: ai earbuds new timekettle w4

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24 of the Best Gifts Under $150 for 2025

cnet.com See Full Bio 2025-10-10 10:52:00

If you're looking to gift an affordable outdoor camera that doesn't require frequent battery replacements, the Blink Outdoor 4 is a great option. CNET's Tyler Lacoma says, "From the 1080p resolution and Alexa support to the two-way audio and motion detection, the Outdoor 4 does a little of everything in a compact, weather-resistant design. But where it really shines is that extended battery life." The handy Blink app also lets you check battery status -- a lifesaver, since you’ll probably forge

Topics: battery blink long outdoor time

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Nazi-Looted Painting Found on Real Estate Website Finally Seized by Authorities

gizmodo.com Aj Dellinger 2025-10-11 00:10:09

After 80 years of being lost, Giuseppe Ghislandi’s Portrait of a Lady has finally been recovered. After it briefly appeared in an online real estate listing last month, the family that was in possession of the painting turned it in to the Argentinian authorities. The painting, a portrait of Contessa Colleoni, was one of more than 1,000 that were looted by Nazis from the collection of Jewish art dealer Jacques Goudstikker during World War II, and was last seen in 1940, according to the Lost Art

Topics: family home kadgien painting times

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Artie (YC S23) Is Hiring Engineers, AES, and Senior PMM

news.ycombinator.com Unknown 2025-10-11 04:01:21

Why you should join Artie We are building Artie, a real-time data streaming solution focused on databases and data warehouses. Typical ETL solutions leverage batched processes or schedulers (DAGs, Airflow), which cannot achieve real time data syncs. We leverage change data capture (CDC) and stream processing to perform data transfers in a more efficient way, which enables sub-minute latency.

Topics: artie data leverage real time

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Minesweeper thermodynamics

news.ycombinator.com Posted On 2025-10-08 23:14:20

You know how sometimes you start a game of Minesweeper and immediately get stuck? Like maybe there are some cells that you know are mines, but there aren’t any places that are safe to click. In this example there are five different ways you could fill in the mines in the neighbouring cells. Note that there’s no cell which is safe in every possibility, so there’s nowhere we can safely click to get more information. So in order to plan our next click, it would be good to know how likely it is t

Topics: frac mines possibility right times

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Transforming CX with embedded real-time analytics

technologyreview.com Mit Technology Review Insights 2025-10-11 23:40:33

Stripe is not alone. In today’s digital world, data analysis is increasingly delivered directly to business customers and individual users, allowing real-time, continuous insights to shape user experiences. Ride-hailing apps calculate prices and estimate times of arrival (ETAs) in near-real time. Financial platforms deliver real-time cash-flow analysis. Customers expect and reward data-driven services that reflect what is happening now. In fact, having the capability to collect and analyze data

Topics: companies data real technology time

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24 of the Best Gifts Under $100 for 2025

cnet.com See Full Bio 2025-10-12 09:00:00

If you're looking to gift an affordable outdoor camera that doesn't require frequent battery replacements, the Blink Outdoor 4 is a great option. CNET's Tyler Lacoma says, "From the 1080p resolution and Alexa support to the two-way audio and motion detection, the Outdoor 4 does a little of everything in a compact, weather-resistant design. But where it really shines is that extended battery life." The handy Blink app also lets you check battery status -- a lifesaver, since you’ll probably forge

Topics: battery blink long outdoor time

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Melvyn Bragg steps down from presenting In Our Time

news.ycombinator.com Unknown 2025-10-12 09:18:13

Having presented well over 1,000 episodes of the much-loved BBC Radio 4 series, Melvyn Bragg has made the decision to step down from In Our Time following the series which aired earlier this year. Melvyn has presented every episode of In Our Time since the series first launched in 1998. In Our Time is regularly one of the BBC’s most listened to on-demand programmes around the world, its appeal spanning generations. It is one of BBC Sounds' most popular podcasts amongst under 35s. Over the last

Topics: 1998 bbc melvyn radio time

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Poor man's bitemporal data system in SQLite and Clojure

news.ycombinator.com Aditya Athalye 2025-10-13 12:47:50

On trying to mash up SQLite with ideas stolen from Accountants, Clojure, Datomic, XTDB, Rama, and Local-first-ers, to satisfy Henderson's Tenth Law. Viz., to make a sufficiently complicated data system containing an ad-hoc, informally-specified, bug-ridden, slow implementation of half of a bitemporal database. Because? Because laying about on a hammock, contemplating hopelessly complected objects like Current Databases isn't just for the Rich man. Don't try this at work! The "Poor Man's Bitemp

Topics: adric data facts temporal time

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Curiosity Drives Broad Innovation and Real-world Solutions

computer.org Jasmine Ang 2025-10-13 14:20:52

An Interview with Dr. Jiebo Luo – 2025 2025 Edward J. McCluskey Technical Achievement Award Recipient Dr. Jiebo Luo, the Albert Arendt Hopeman Professor of Engineering and Professor of Computer Science at the University of Rochester, is a visionary in computer vision, machine learning, and computational social science whose groundbreaking work has spanned over 600 publications, 90 patents, and numerous prestigious awards across academia and industry. Your research spans computer vision, natura

Topics: ai mm research time topics

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Instagram tests Picture-in-Picture viewing for reels

techcrunch.com Aisha Malik 2025-10-15 13:31:11

Instagram is testing a new Picture-in-Picture feature for watching reels, the company confirmed to TechCrunch on Tuesday. The feature allows users to watch reels in a small, floating window on their screen while browsing other apps to allow for multitasking. The feature was first spotted by app researcher Radu Oncescu. Users who are part of the test will see a pop-up notifying them about the new feature and how to turn it on. While Picture-in-Picture is great for multitasking, it also has the

Topics: feature instagram like picture time

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Static sites enable a good time travel experience

news.ycombinator.com Juha-Matti Santala 2025-10-15 23:25:44

Varun wrote about gamifying blogging and personal website maintenance which reminded me of the time when I awarded myself some badges for blogging. I mentioned this to Varun who asked if I had any screenshots of what it looked like on my website. My initial answer was “no”, then I looked at Wayback Machine but there were not pictures of the badges. Then, a bit later it hit me. I don’t need any archived screenshots: my website is built with Eleventy and it's static so I can check out a git comm

Topics: badges eleventy screenshots time website

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Instagram tests Picture-In-Picture viewing for reels

techcrunch.com Aisha Malik 2025-10-16 04:31:11

Instagram is testing a new Picture-in-Picture feature for watching reels, the company confirmed to TechCrunch on Tuesday. The feature allows users to watch reels in a small, floating window on their screen while browsing other apps to allow for multitasking. The feature was first spotted by app researcher Radu Oncescu. Users who are part of the test will see a pop-up notifying them about the new feature and how to turn it on. While Picture-in-Picture is great for multitasking, it also has the

Topics: feature instagram like picture time

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Pennsylvania AG Office says ransomware attack behind recent outage

bleepingcomputer.com Unknown 2025-10-16 07:20:01

The Office of the Pennsylvania Attorney General announced that a ransomware attack is behind the ongoing two-week service outage. In an official statement, Attorney General David W. Sunday Jr. said that the office refused to pay the attackers. “The interruption was caused by an outsider encrypting files in an effort to force the office to make a payment to restore operations. No payment has been made,” explained AG Sunday. “An active investigation is ongoing with other agencies, which limits

Topics: ag attack office ransomware time

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Vibe coding as a VC

news.ycombinator.com Kevin Kuipers 2025-10-17 01:05:35

Those vacations were the most intense I’ve had in a while. Time off is always the chance to focus on building knowledge or skills, whether for personal enjoyment or for work. And this summer break was the perfect moment to disconnect from the hectic daily routine, the endless flow of emails and back-to-back meetings, and dive into introspection. Walk the Talk Our job is to look for AI-native companies (post-LLM startups), because we believe they are a different breed, born in a different world

Topics: ai claude code data time

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Best Labor Day laptop deals 2025: Last-minute savings on Apple, Dell, Lenovo, and more

zdnet.com Cesar Cadenas 2025-10-17 12:42:00

How did we choose these deals? I found over 30 deals in my initial research, and wanted to include them, but decided to keep things short. While considering the products on this list, I took into account the device's popularity, quality, and discount amount. From there, I whittled things down to the 18 entries you see above. Should I buy a MacBook, Windows laptop, or Chromebook? It ultimately depends on what you want as a user and what you're looking for. There isn't a hard-set answer to this

Topics: deals discounts expire time windows

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An adventure in writing compatible systems

news.ycombinator.com Unknown 2025-10-14 14:38:35

Turso is a rewrite of SQLite from scratch in Rust. We aim to keep full compatibility with SQLite, while adding new and exciting features like CDC, concurrent writes, encryption, among many others. It is currently in alpha, but progressing fast and getting close to a point where it can be used for production workloads. Rewriting existing software systems is a special kind of hard. Aside from the difficulty in writing the software itself, you have to deal with behaviors of the existing system tha

Topics: 1gb database nikita sqlite time

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Trade in War

news.ycombinator.com Peter Dizikes 2025-10-14 16:58:28

In World War II, Britain was fighting for its survival against German aerial bombardment. Yet Britain was importing dyes from Germany at the same time. This sounds curious, to put it mildly. How can two countries at war with each other also be trading goods? Examples of this abound, actually. Britain also traded with its enemies for almost all of World War I. India and Pakistan conducted trade with each other during the First Kashmir War, from 1947 to 1949, and during the India-Pakistan War of

Topics: grinberg states trade war wartime

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What brain surgery taught me about the fragile gift of consciousness

news.ycombinator.com Unknown 2025-10-15 17:22:07

Sign up for The Nightcrawler Newsletter A weekly collection of thought-provoking articles on tech, innovation, and long-term investing from Nightview Capital’s Eric Markowitz. Notice: JavaScript is required for this content. There is a silence so profound it becomes its own kind of language. The night before my brain surgery, my wife and I sat across from each other in wordless stillness. No dramatic goodbyes. No last confessions. Just the quiet hum of time stretching between us. We sat in ou

Topics: felt life like surgery time

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Lewis and Clark marked their trail with laxatives

news.ycombinator.com Unknown 2025-10-19 01:54:26

Audio version is not yet available By Finn J.D. John January 26, 2025 AS LEWIS AND CLARK’S Corps of Discovery made its way across the continent to Oregon, the men (and woman) of the party probably weren’t thinking much about their place in history. So they weren’t taking any particular pains to document their every movement. There were, however, some particular pains they were experiencing with every movement, so to speak ... as a result of a relentlessly low-fiber diet: Everyone was constip

Topics: bile medicine physicians rush time

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Why countries trade with each other while fighting

news.ycombinator.com Peter Dizikes 2025-10-15 17:58:28

In World War II, Britain was fighting for its survival against German aerial bombardment. Yet Britain was importing dyes from Germany at the same time. This sounds curious, to put it mildly. How can two countries at war with each other also be trading goods? Examples of this abound, actually. Britain also traded with its enemies for almost all of World War I. India and Pakistan conducted trade with each other during the First Kashmir War, from 1947 to 1949, and during the India-Pakistan War of

Topics: grinberg states trade war wartime

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Notes on Managing ADHD

news.ycombinator.com Fernando Borretti 2025-10-19 02:49:01

The pleasure is in foreseeing it, not in bringing it to term. — Jorge Luis Borges, Selected Non-Fictions This post is about managing ADHD. It is divided into two sections: “Strategies” describes the high-level control system, “Tactics” is a list of micro-level improvements (really it should be called “stratagems”, since most are essentially about tricking yourself). Contents Strategies High-level advice, control systems. Chemistry First ADHD has a biological cause and drugs are the first-l

Topics: day list things time todo

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Multi-Timer Gizmo

news.ycombinator.com Unknown 2025-10-15 07:51:14

Menu Multi-Timer Gizmo My friend, Dave Gauer, built a “multitimer” back in 2021. It is a small desktop gizmo for keeping track of time spent on rapidly switching tasks. One pushes a button and time starts accumulating on that button’s timer. Dave’s multi-timer is based on a RaspberryPi Pico — fancy micro-computer stuff. In fact, his unit has three distinct microcontrollers in it: the keypad and LCD each have their own! Did an academic already do this? Thinking about Dave’s multi-timer, I was

Topics: battery clock clocks project timer

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How Does Timecode Vinyl Work? (Pt. 3)

news.ycombinator.com Jan Claußen 2025-10-15 13:09:18

How Does Timecode Vinyl Actually Work? (Pt. 3) Since its release in 2011, the Traktor Control Vinyl MK2 has sparked curiosity among digital DJs and audio developers alike. Its timecode format stands apart from Serato’s, which we explored in the previous posts. With the MK2 system, Native Instruments introduced a more advanced timecode that boosts resolution and accuracy by applying advanced cryptographic techniques. In this post, we’ll break down how it works at a basic level and how Mixxx is

Topics: bit serato signal text timecode

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Why did books start being divided into chapters? A new history

news.ycombinator.com Unknown 2025-10-19 00:26:35

Perhaps it is the inevitable fate of any convention, but literary history does not, it turns out, have many examples of people appreciating great chaptering. In The History of English Prose Rhythm (1912) – one of the sources for James Joyce’s virtuosic-or-unreadable parodies of the evolution of English prose in Ulysses – George Saintsbury remarks on Thomas Malory’s decision to insert a chapter break at a decisive moment in his fifteenth-century Morte d’Arthur. At the end of chapter ten of the Mo

Topics: century chapter dames narrative time

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The First ‘Tron’ Movies are Finally Getting Modern Releases

gizmodo.com Justin Carter 2025-10-18 22:50:26

If Tron: Ares has you wanting to watch the first two movies again, you’re in luck: they’re getting new and improved versions on September 16. During its Destination 23 showcase, Disney announced full remasters of the original Tron and its 2010 sequel Legacy are coming to Ultra 4K HD and digital. (It’s been a long time since either had physical versions, the last edition was a two-movie Blu-Ray bundle back in 2014.) Physical versions of the two films will come with fancy new steelbook editions s

Topics: ares disney time tron world

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I hate installing apps to save money, but this Pixel privacy feature makes it worthwhile

androidauthority.com Unknown 2025-10-18 23:00:49

Calvin Wankhede / Android Authority Prices at fast food chains, restaurants, and even grocery stores have spiraled out of control over the past couple of years. Luckily, not all hope is lost — if you’re a savvy shopper, you might know that the best way to save real money is to check for loyalty program discounts and limited-time offers. The only problem? Most of these offers require you to download each company’s app and check into them from time to time. If installing a dozen different apps s

Topics: apps privacy private space time

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Latest Tech News

Data Modeling Guide for Real-Time Analytics with ClickHouse

OpenAI is reportedly producing its own AI chips starting next year

These cool earbuds bring crazy translation smarts for your travels

Timekettle’s new translation earbuds are made for sharing

24 of the Best Gifts Under $150 for 2025

Nazi-Looted Painting Found on Real Estate Website Finally Seized by Authorities

Artie (YC S23) Is Hiring Engineers, AES, and Senior PMM

Minesweeper thermodynamics

Transforming CX with embedded real-time analytics

24 of the Best Gifts Under $100 for 2025

Melvyn Bragg steps down from presenting In Our Time

Poor man's bitemporal data system in SQLite and Clojure

Curiosity Drives Broad Innovation and Real-world Solutions

Instagram tests Picture-in-Picture viewing for reels

Static sites enable a good time travel experience

Instagram tests Picture-In-Picture viewing for reels

Pennsylvania AG Office says ransomware attack behind recent outage

Vibe coding as a VC

Best Labor Day laptop deals 2025: Last-minute savings on Apple, Dell, Lenovo, and more

An adventure in writing compatible systems

Trade in War

What brain surgery taught me about the fragile gift of consciousness

Lewis and Clark marked their trail with laxatives

Why countries trade with each other while fighting

Notes on Managing ADHD

Multi-Timer Gizmo

How Does Timecode Vinyl Work? (Pt. 3)

Why did books start being divided into chapters? A new history

The First ‘Tron’ Movies are Finally Getting Modern Releases

I hate installing apps to save money, but this Pixel privacy feature makes it worthwhile

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