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ClickHouse matches PG for single-row UPDATEs and 4000 x faster for bulk UPDATEs

news.ycombinator.com Unknown 2025-11-25 10:52:43

TL;DR · On identical hardware and data, ClickHouse matches PostgreSQL for single-row UPDATEs and is up to 4,000× faster in our tests for bulk UPDATEs. · Why it matters: Bulk updates are common in OLTP workloads, and ClickHouse’s columnar design + parallelism make them far faster. · Caveat: PostgreSQL is fully transactional by default; ClickHouse isn’t. Results compare each engine’s native execution model, not identical transaction guarantees. PostgreSQL is the most popular open-source

Topics: clickhouse data postgresql update updates

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Why Nim?

news.ycombinator.com Basil Ajith 2025-11-25 05:28:29

You might have heard of the line, "one ring to rule them all" from the book the Lord of the Rings. Though, this ring is an evil object created by the evil Sauron, the idea of just one thing existing to manage or control a lot of things at the same time, is something we all long for. We all need that one app which can manage all our tasks. We need that one card that can hold or manage all our credit and debit card information. How we long for a single language for the whole world (by the way thi

Topics: best language nim programming things

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A Visual Exploration of Gaussian Processes (2019)

news.ycombinator.com Görtler 2025-11-23 12:21:43

Even if you have spent some time reading about machine learning, chances are that you have never heard of Gaussian processes. And if you have, rehearsing the basics is always a good way to refresh your memory. With this blog post we want to give an introduction to Gaussian processes and make the mathematical intuition behind them more approachable. Gaussian processes are a powerful tool in the machine learning toolbox . They allow us to make predictions about our data by incorporating prior kno

Topics: distribution gaussian kernel points processes

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BBC Micro, the ancestor to ARM

news.ycombinator.com Chris Garrett 2025-11-25 05:08:44

ARM-based chips are found in nearly 60 percent of the world’s mobile devices Introducing the “Beeb” – the inventors of the ARM architecture used these machines to simulate and develop chip designs. Those chips are now in every home and business. This particular machine is my BBC Master, plus 5 1/4″ floppy disk drive, and three-button mouse. Isn’t she a beauty? Like many microcomputers of the 1980s, the BBC Micro ran on a 6502 series microchip. Unlike most of the competition, however, the BBC

Topics: 6502 bbc computer master school

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Show HN: NextDNS Adds "Bypass Age Verification"

news.ycombinator.com Unknown 2025-11-25 06:29:22

We just shipped a new feature in NextDNS: Bypass Age Verification. More and more sites (especially adult ones) are now forcing users to upload IDs or selfies to continue. We think that’s a terrible idea: handing over government documents to random sites is a huge privacy risk. This new setting workarounds those verification flows via DNS tricks. It’s available today to all users, including free accounts. We’re curious how the HN community feels about this. Is it the right way to protect priva

Topics: just new nextdns privacy users

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The DC/Marvel Teamup Adds New Hero Duos To the Mix

gizmodo.com Justin Carter 2025-11-25 10:05:56

Earlier this summer, we learned DC and Marvel Comics were having their first proper crossover in decades, bringing together different pairings of characters from both publishers. So far, we’ve only known what’s coming from Marvel—now we know what DC’s bringing to the plate, and it’s a new batch of teamups featuring some of DC’s current big talents in charge of these stories. Per DC’s recent solicitations for November, DC/Marvel: Batman/Deadpool #1—written by Grant Morrison and drawn by Dan Mora

Topics: batman dc deadpool marvel stories

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Today's NYT Strands Hints, Answers and Help for Aug. 18, #533

cnet.com See Full Bio 2025-11-25 14:00:03

Looking for the most recent Strands answer? Click here for our daily Strands hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections and Connections: Sports Edition puzzles. Today's NYT Strands puzzle is a fun one, involving a category of well-known words. But one of them still stumped me. If you need hints and answers, read on. I go into depth about the rules for Strands in this story. If you're looking for today's Wordle, Connections and Mini

Topics: hints puzzle strands today words

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These 5 Posture Corrector Picks Will Straighten You Out (2025)

wired.com Boutayna Chokrane 2025-11-25 05:00:00

Compare Top 5 Posture Correctors How We Test Posture Correctors AccordionItemContainerButton LargeChevron We tested each posture corrector, wearing them through the routines of daily life—from sitting at a desk to running errands and working out—for both short and long periods, over several months. No one wants to feel like they’re strapped into armor, so we evaluated wearability by focusing on comfort, breathable materials, and adjustability. Material quality was a priority, and we kept an eye

Topics: body correctors desk posture yoga

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‘Stranger Things’ creators may be leaving Netflix

techcrunch.com Anthony Ha 2025-11-25 14:07:35

Netflix could soon lose the creative team behind one of its biggest hits. Earlier this week, Variety and other Hollywood publications reported that Matt and Ross Duffer, the brothers who created “Stranger Things” (and wrote and directed many episodes), were in talks to sign an exclusive deal with Paramount (now under the ownership of David Ellison’s Skydance). Then on Friday evening, Puck’s Matthew Belloni posted that the Duffers had in fact “made their choice” and were going to Paramount. The

Topics: duffers movies netflix stranger things

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5 password managers you should use instead of LastPass

androidauthority.com Unknown 2025-11-25 08:00:30

Joe Hindy / Android Authority There was a time when LastPass was THE password manager everyone should be using. That statement still stands, but with one small twist: LastPass is now the number one password manager everyone should stay far away from. The reason for this? Multiple rounds of leaks and a series of security vulnerabilities. Give LastPass a hard pass, because there are so many better options available — ones that are both more secure and convenient — you’ll wonder why you didn’t sw

Topics: lastpass like manager password proton

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This open-source fasting app actually helped me hit my fitness goals

androidauthority.com Unknown 2025-11-25 11:00:25

Dhruv Bhutani / Android Authority I was never an athletic kid, and that continued through most of my 20s. That is, until I decided to change things up, drop some weight, and focus more on my health. Intermittent fasting was a big part of that journey, and I’ve been following it for several years now. In fact, it’s the one constant in my wellness journey that has actually stuck with me. Much as I’ve dabbled with workout plans, picked up the best fitness trackers, tracked macros with obsessive de

Topics: app fasting fasttrack just ve

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MasterClass deal: Subscriptions are 40 percent off right now

engadget.com Unknown 2025-11-25 10:00:35

If you want to brush up on some skills or learn new ones, MasterClass offers a good way to do just that. The streaming service has hundreds of classes taught by professionals and experts in their fields, and now you can get a subscription for 40 percent less than usual. All MasterClass membership tiers are on sale right now, so you can sign up for as low as $6 per month. With a subscription, you could watch a class on writing taught by James Patterson, or learn cooking techniques from Thomas Ke

Topics: classes learn masterclass month subscription

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Nuvistor Valves

news.ycombinator.com Unknown 2025-11-25 06:15:31

Innovation at the End of the Valve Era The development of the Nuvistor in the late-1950s was probably the last major innovation in receiving valve technology, coming as it did towards the end of the era of thermionic device domination. Transistors at that time weren't the full answer to all problems in electronics, and so valves still had a lot to offer. The Nuvistor is often regarded as a last desperate effort by valve manufacturers to stem the flow of 'transistorisation' which was becoming a

Topics: nuvistor nuvistors rca used valve

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Sharp Hubble Images Confirm 3I/Atlas as Comet

news.ycombinator.com Universe Today 2025-11-25 12:55:18

Astronomers at the Pan-STARRS Observatory in Hawaii made history in 2017 when they detected 'Oumuamua, the first interstellar object (ISO) ever observed. Two years later, the interstellar comet 2I/Borisov became the second ISO ever observed. And on July 1st, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) in Rio Hurtado detected a third interstellar object in our Solar System, the comet now known as 3I/ATLAS (or C/2025 N1 ATLAS). Like its predecessors, the arrival of this objec

Topics: 3i atlas interstellar juno jupiter

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SuperSight: A graphical enhancement mod for Brøderbund's "Stunts"

news.ycombinator.com Unknown 2025-11-20 15:42:00

Annali da Samarcanda Alberto Marnetto's Notebook SuperSight: a graphical enhancement mod for Brøderbund's Stunts Clickbait disclaimer: Stunts was actually created by Distinctive Software; Brøderbund was only the publisher. But nobody heard about Distinctive, and I wanted to be sure this article does not get confused with the one about Disney's Stunt Island. Sorry about that. Part I This series will tell about the creation of SuperSight, a mod for Stunts intended to bring the game’s 3D engin

Topics: code db game options stunts

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Here be dragons: Preventing static damage, latchup, and metastability in the 386

news.ycombinator.com Unknown 2025-11-25 14:34:10

Get new posts by email: Subscribe

Topics: email new posts subscribe

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BBC Micro: The Ancestor to a Device You Are Guaranteed to Own

news.ycombinator.com Chris Garrett 2025-11-25 11:08:44

ARM-based chips are found in nearly 60 percent of the world’s mobile devices Introducing the “Beeb” – the inventors of the ARM architecture used these machines to simulate and develop chip designs. Those chips are now in every home and business. This particular machine is my BBC Master, plus 5 1/4″ floppy disk drive, and three-button mouse. Isn’t she a beauty? Like many microcomputers of the 1980s, the BBC Micro ran on a 6502 series microchip. Unlike most of the competition, however, the BBC

Topics: 6502 bbc computer master school

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Major Plastics Treaty Ends in Failure

gizmodo.com Joseph Winters 2025-11-25 11:56:33

This story was originally published by Grist. Sign up for Grist’s weekly newsletter here. Diplomats from around the world concluded nine days of talks in Geneva — plus a marathon overnight session that lasted into the early hours of Friday — with no agreement on a global plastics treaty. During a closing plenary that started on Friday at 6:30 a.m. — more than 15 hours after it was originally scheduled to begin — nearly all countries opposed an updated draft of the United Nations treaty that wa

Topics: countries negotiations plastics said treaty

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‘Superman’ and ‘Star Wars’ Actor Terence Stamp Dies at Age 87

gizmodo.com Justin Carter 2025-11-25 14:45:51

English actor Terence Stamp, seen across a variety of film and TV over the decades, has passed away at 87 years old. In a statement to Reuters, the actor’s family revealed he passed on Sunday morning. Born July 22, 1938, he made his film debut with the 1962 adaptation of Herman Melville’s Billy Budd as the title character. The role earned him an Academy Award nomination and recognition that allowed him to star in films like 1965’s The Collector and 1967’s Poor Cow. Genre-wise, Terence Stamp fa

Topics: actor family film menace stamp

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Today's NYT Mini Crossword Answers for Sunday, Aug. 17

cnet.com See Full Bio 2025-11-25 02:45:00

Gael Cooper CNET editor Gael Fashingbauer Cooper, a journalist and pop-culture junkie, is co-author of "Whatever Happened to Pudding Pops? The Lost Toys, Tastes and Trends of the '70s and '80s," as well as "The Totally Sweet '90s." She's been a journalist since 1989, working at Mpls.St.Paul Magazine, Twin Cities Sidewalk, the Minneapolis Star Tribune, and NBC News Digital. She's Gen X in birthdate, word and deed. If Marathon candy bars ever come back, she'll be first in line.

Topics: 1989 author cooper gael journalist

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Premier League Soccer: Livestream Nottingham Forest vs. Brentford From Anywhere

cnet.com See Full Bio 2025-11-25 08:00:00

Two sides that enjoyed somewhat unexpected top-10 finishes last season go head-to-head on Sunday as Nottingham Forest hosts Brentford in the English Premier League. Below, we'll outline the best live TV streaming services for watching Premier League games as they happen, wherever you are in the world, and how to use a VPN if it's not available where you are. Forest were last season's surprise package, booking a long-overdue return to European football by finishing in seventh. While Nuno Espir

Topics: forest league nottingham streaming vpn

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Premier League Soccer: Stream Chelsea vs. Crystal Palace Live From Anywhere

cnet.com See Full Bio 2025-11-25 08:00:00

Two teams who have recently tasted cup glory meet on Sunday in the first London derby of the new English Premier League season as Chelsea hosts Crystal Palace. Below, we'll outline the best live TV streaming services for watching Premier League games as they happen, wherever you are in the world, and how to use a VPN if it's not available where you are. Having won the UEFA Conference League back in May, Chelsea followed up that triumph with a win in the Club World Cup, leading many pundits to

Topics: chelsea league premier streaming vpn

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Premier League Soccer: Stream Man United vs. Arsenal Live From Anywhere

cnet.com See Full Bio 2025-11-25 10:30:00

The opening weekend of the new English Premier League season concludes with a blockbuster showdown at Old Trafford, as old foes Manchester United and Arsenal go head-to-head. Below, we'll outline the best live TV streaming services for watching Premier League games as they happen, wherever you are in the world, and how to use a VPN if it's not available where you are. A hugely disappointing 15th-place finish for Man United last term — its lowest in the EPL era — has prompted a major overhaul o

Topics: arsenal league premier streaming vpn

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What Is the Electric Constant and Why Should You Care?

wired.com Rhett Allain 2025-11-25 09:00:00

It's fun to think about the fundamental physical constants. These are special values used in our models of the physical universe. They include things like the speed of light, the gravitational constant, and Planck’s constant, and they’re “fundamental” in the sense that we can't derive them theoretically, we can only measure them. We use these in solving physics problems all the time, so it’s easy to take them for granted. But why are there such numbers in nature, and why do they just happen to

Topics: charges constant electric electrons fundamental

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Why the former editor of Polygon is making a podcast for old gamers

theverge.com Jay Peters 2025-11-25 10:30:00

is a news editor covering technology, gaming, and more. He joined The Verge in 2019 after nearly two years at Techmeme. In a recent episode of Post Games, host Chris Plante explores how video games can help players understand death. He’s interviewing Kaitlin Tremblay, who is working on Ambrosia Sky, a game about death. “What is it about games that is so useful for exploring the topic?” Plante asks. “I think there’s something really lovely about the way in which games invite players in,” Tremb

Topics: games media plante post says

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Duolingo CEO says controversial AI memo was misunderstood

techcrunch.com Anthony Ha 2025-11-25 15:34:17

In Brief While Duolingo CEO Luis von Ahn was loudly criticized this year after declaring that Duolingo would become an “AI-first company,” he suggested in a new interview the real issue was that he “did not give enough context.” “Internally, this was not controversial,” von Ahn told The New York Times. “Externally, as a publicly traded company some people assume that it’s just for profit. Or that we’re trying to lay off humans. And that was not the intent at all.” On the contrary, von Ahn sai

Topics: ahn company duolingo suggested von

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Leak: ChatGPT cheaper plan costs $4 or £3.50, might release everywhere

bleepingcomputer.com Unknown 2025-11-24 21:44:30

OpenAI is working on a cheaper plan called ChatGPT Go, and we previously thought it would be just limited to a few regions like India, but that may not be the case. As pointed out by Tibor on X, OpenAI has added a new Try Go call to action on the GPT Dashboard. This is being tested behind a hidden feature flag. When you select Try Go, you'll be asked to pay at least $4. Previously, the pricing was just limited to India, but it now includes more countries. GPT Go now includes pricing in EUR (€

Topics: chatgpt india just openai try

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Running Wayland Clients as Non-Root Users on Yocto

news.ycombinator.com Burkhard Stubert 2025-11-22 09:30:27

Many embedded Linux systems use a Wayland compositor like Weston for window management. Qt applications act as Wayland clients. Weston composes the windows of the Qt applications into a single window and displays it on a screen. I still have to find a Yocto layer that does not start Qt applications as root. This violates the cybersecurity principle that every application should only run with the least privileges possible. Let us figure out how to run Qt applications as non-root users and make ou

Topics: run socket user wayland weston

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Show HN: unsafehttp – tiny web server from scratch in C, running on an orange pi

news.ycombinator.com Unknown 2025-11-24 21:46:15

Unsafe HTTP unsafehttp is an extremely minimal HTTP server written in C from scratch, to practice C, *nix socket programming, and C compilation. It just served this webpage to you! Yes, that's a marquee tag. Backward-compatibility is a beautiful thing. You can find the source here. Hosting It's running on a tiny Orange Pi SBC in my office: There's no HTTP proxy between you, just a port-forward through my VPS. You're connect ing right to the socket that the code is accept ing on. Fun Stuff

Topics: fun http just request server

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An Argument for Increasing TCP's Initial Congestion Window Again

news.ycombinator.com Unknown 2025-11-21 00:23:11

An Argument for Increasing TCP's Initial Congestion Window ... Again Published September 2, 2024 Introduction Google has a long history of performing networking research, making changes, and pushing those changes to the entire internet. In 2011, they published one of my favorite papers, which described their decision to increase the TCP initial congestion window from 1 to 10 on their entire infrastructure. This was soon followed by an RFC filed with the IETF, and eventually became an internet

Topics: congestion initial internet tcp window

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Latest Tech News

ClickHouse matches PG for single-row UPDATEs and 4000 x faster for bulk UPDATEs

Why Nim?

A Visual Exploration of Gaussian Processes (2019)

BBC Micro, the ancestor to ARM

Show HN: NextDNS Adds "Bypass Age Verification"

The DC/Marvel Teamup Adds New Hero Duos To the Mix

Today's NYT Strands Hints, Answers and Help for Aug. 18, #533

These 5 Posture Corrector Picks Will Straighten You Out (2025)

‘Stranger Things’ creators may be leaving Netflix

5 password managers you should use instead of LastPass

This open-source fasting app actually helped me hit my fitness goals

MasterClass deal: Subscriptions are 40 percent off right now

Nuvistor Valves

Sharp Hubble Images Confirm 3I/Atlas as Comet

SuperSight: A graphical enhancement mod for Brøderbund's "Stunts"

Here be dragons: Preventing static damage, latchup, and metastability in the 386

BBC Micro: The Ancestor to a Device You Are Guaranteed to Own

Major Plastics Treaty Ends in Failure

‘Superman’ and ‘Star Wars’ Actor Terence Stamp Dies at Age 87

Today's NYT Mini Crossword Answers for Sunday, Aug. 17

Premier League Soccer: Livestream Nottingham Forest vs. Brentford From Anywhere

Premier League Soccer: Stream Chelsea vs. Crystal Palace Live From Anywhere

Premier League Soccer: Stream Man United vs. Arsenal Live From Anywhere

What Is the Electric Constant and Why Should You Care?

Why the former editor of Polygon is making a podcast for old gamers

Duolingo CEO says controversial AI memo was misunderstood

Leak: ChatGPT cheaper plan costs $4 or £3.50, might release everywhere

Running Wayland Clients as Non-Root Users on Yocto

Show HN: unsafehttp – tiny web server from scratch in C, running on an orange pi

An Argument for Increasing TCP's Initial Congestion Window Again

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