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Extending That XOR Trick to Billions of Rows

news.ycombinator.com Unknown 2026-01-19 20:15:41

Can we extend the XOR trick for finding one or two missing numbers in a list to finding thousands of missing IDs in a billion-row table? Yes, we can! This is possible using a data structure called an Invertible Bloom Filter (IBF) that compares two sets with space complexity based only on the size of the difference. Using a generalization of the XOR trick [1], all the values that are identical cancel out, so the size of this data structure depends only on the size of the difference. Most explan

Topics: difference ibf set trick xor

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Citrix Bleed 2 exploited weeks before PoCs as Citrix denied attacks

bleepingcomputer.com Unknown 2026-01-24 00:37:34

A critical Citrix NetScaler vulnerability, tracked as CVE-2025-5777 and dubbed "CitrixBleed 2," was actively exploited nearly two weeks before proof-of-concept (PoC) exploits were made public, despite Citrix stating that there was no evidence of attacks. GreyNoise has confirmed its honeypots detected targeted exploitation from IP addresses located in China on June 23, 2025. "GreyNoise has observed active exploitation attempts against CVE-2025-5777 (CitrixBleed 2), a memory overread vulnerabili

Topics: 2025 citrix exploitation kill netscaler

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Creating an autonomous system for fun and profit (2017)

news.ycombinator.com Kenneth Finnegan 2026-01-20 04:37:57

At its core, the Internet is an interconnected fabric of separate networks. Each network which makes up the Internet is operated independently and only interconnects with other networks in clearly defined places. For smaller networks like your home, the interaction between your network and the rest of the Internet is usually pretty simple: you buy an Internet service plan from an ISP (Internet Service Provider), they give you some kind of hand-off through something like a DSL or cable modem, an

Topics: internet need network peering router

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We Sure Watched a Lot of Old Netflix Hits in the First Half of the Year

cnet.com See Full Bio 2026-01-23 22:50:00

Netflix released its biannual viewership report on Thursday, ahead of its second-quarter earnings call. The findings represent engagement numbers for the first six months of 2025, which equate to about 99% of what was watched between January and June. The hit TV series Adolescence and the action film Back in Action, which starred Jamie Foxx (in his first on-screen role since his hospitalization) and Cameron Diaz, topped the charts. Surprisingly, some Netflix originals released in 2023 and earli

Topics: half million netflix watched year

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Wi-Fi Experts Reveal How Trump’s Budget Bill Could Slow Down Your Wi-Fi

cnet.com See Full Bio 2026-01-23 23:05:00

You won’t find the term “Wi-Fi” anywhere in the text of President Donald Trump’s One Big Beautiful Bill, but a provision authorizing the FCC to auction off spectrum could seriously impact speeds on newer Wi-Fi routers. Every wireless device, from garage door openers to baby monitors, relies on the electromagnetic spectrum to work. But that spectrum is a limited resource -- to open up capacity for one technology, you have to take it away from another. The latest generation of Wi-Fi 6E and Wi-Fi

Topics: 6ghz fi internet spectrum wi

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Nintendo wants you to join its next mysterious Switch Online playtest

theverge.com Jay Peters 2026-01-24 00:52:22

is a news editor covering technology, gaming, and more. He joined The Verge in 2019 after nearly two years at Techmeme. Late last year, Nintendo hosted a mysterious Switch Online playtest, and on Thursday, the company announced that it would be doing another test as part of the “Nintendo Switch Online: Playtest Program” and that it will be opening applications soon. This second round will be a test of the “same service” as before. Last time, Nintendo asked participants not to share details abo

Topics: et july nintendo playtest test

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Android 16 QPR1 Beta 3 is here to install with Google’s latest bug fixes

androidauthority.com Unknown 2026-01-24 05:03:08

Google just changed the way we’re going to be looking at new Android features with the introduction of its public Canary program, and while that’s going have a major impact on how Android 17 reveals itself to us, the company’s existing Beta programs are rolling right on like always. This summer we’ve already seen lots of progress towards what we’ll be getting from the next Pixel Drop in the form of Google’s Android 16 QPR1 releases, first with Beta 1 in May, and then Beta 2 in early June. Now it

Topics: 16 android beta going google

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Adam Mosseri steps back from Threads, app to be overseen by Meta’s AI lead

9to5mac.com Marcus Mendes 2026-01-24 05:06:53

After two years under Instagram head Adam Mosseri, Meta is officially handing off Threads to a new leader. Here’s what the change could mean for the app’s future. As first reported by Axios, Meta is naming longtime executive Connor Hayes, formerly head of generative AI product, as the new head of Threads starting in September. The move marks the first time someone outside Instagram will take the reins of the text-based social app, in yet another sign that Meta seems to be finally getting serio

Topics: app instagram meta mosseri threads

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Does Your Favorite Emoji Crack the List of CNET's Top Picks?

cnet.com See Full Bio 2026-01-24 00:41:39

Every July 17, the internet comes together and celebrates World Emoji Day. The date was chosen because it's displayed on the 📅 calendar emoji, but it's a day to appreciate all emoji, even the more obscure ones, like the 🫙jar. In honor of the internet holiday, I asked my colleagues at CNET what their favorite and most used emoji are. The rules for voting were simple: You could only vote once for your favorite emoji and once for your most-used emoji. There was more variety in the category of favo

Topics: cnet emoji favorite heart used

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Netflix says it’s streamed 95 billion hours in 2025, and a lot of ads too

theverge.com Emma Roth 2026-01-24 04:47:23

is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO. Netflix says it’s on track to “double” its advertising revenue this year as the company continues ot build out its ad tech platform. The streaming giant shared the news as part of its second-quarter earnings results released on Thursday, which revealed that Netflix raked in $11.08 billion in revenue over the past few months, marking a 16 percent yea

Topics: ad netflix says service year

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Rumor Replay: All the latest on iPhone 17 Pro and iOS 26

9to5mac.com Ryan Christoffel 2026-01-24 14:19:28

This is Rumor Replay, a weekly column at 9to5Mac offering a quick rundown of the most recent Apple product rumors, with analysis and commentary. Today: all the latest rumors about the iPhone 17 lineup and iOS 26. iPhone 17 Pro colors might include orange, have Liquid Glass effect Source: Majin Bu The floodgates opened this week on iPhone 17 Pro color rumors. It started with Sonny Dickson sharing camera protector images that included five colors: Black Dark Blue Gray Orange Silver Macwor

Topics: 17 beta iphone pro week

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Dell's new Pro Max lineup offers top-tier laptops for sky-high prices

zdnet.com Kyle Kucharski 2026-01-24 15:55:08

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. When you click through from our site to a retailer and buy a product or

Topics: content does editorial reviews zdnet

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Netflix Green-Lights 'Assassin's Creed' TV Series Adaptation

cnet.com See Full Bio 2026-01-24 12:54:00

You can now add Assassin's Creed to the Netflix game-to-show adaptation portfolio. The streamer has green-lit a new TV series based on the game franchise from Ubisoft. Netflix was sparse on details regarding the story itself but said the live-action adaptation, five years in the making, will include the "rich storytelling" that players of the games would expect. Assassin's Creed is a historical action-adventure game that spans multiple time periods and has players assuming the role of multiple

Topics: assassin creed game netflix series

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Best Internet Providers in Louisville, Kentucky

cnet.com See Full Bio 2026-01-24 14:00:00

CNET's pick for the best internet provider in Louisville, Kentucky, is AT&T Fiber. It's not hard to see why. It offers the fastest average speeds in the Louisville area and it can go as high as 5 Gig for $245. With its speedy plans, you'll have little trouble doing most things, whether streaming your favorite show on Netflix or working remotely. However, other solid providers exist for those who can't get AT&T Fiber at their home address or area. According to Ookla, Louisville is 19th among the

Topics: internet louisville plans providers service

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No. Eggs Won't Impact Your Cholesterol and 17 Other Health Myths You Can Stop Believing

cnet.com See Full Bio 2026-01-24 14:06:20

Cracking your knuckles will cause arthritis. Eggs impact your cholesterol levels. Coffee stunts your growth. For decades, health myths like these have influenced consumer decisions, originating from obscure studies or the opinion of a then-influential doctor. Science has debunked much of this conventional wisdom that percolates as fact. Here are 18 of the most common health myths that everyone needs to stop believing right now. Myth: Exercising at night ruins your sleep Feel free to work out a

Topics: cancer getty images myth truth

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Google is suing the BadBox 2.0 botnet group

engadget.com Unknown 2026-01-24 18:58:12

Google has filed a lawsuit against the operators of a what is believed to be the largest smart TV botnet in the world — BadBox 2.0. The company said in its complaint that this China-based botnet had compromised more than 10 million uncertified devices — including TV streaming boxes, tablets and projectors. Google said that cybercriminals pre-installed malware or used malicious apps to download malware on hardware that was running open-source Android software. These compromised devices were then

Topics: badbox botnet devices google said

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Someone paid $5.3 million for a piece of Mars

engadget.com Unknown 2026-01-24 20:15:02

Add this to the list of "things that might be fun if you had a buttload of money": Someone forked over $5.3 million in a Sotheby's auction to own a piece of Mars. The Red Planet meteorite was discovered in 2023 in a remote area of the Sahara Desert in Niger. Martian meteorites of any size are incredibly rare. To get here, an asteroid first hits the Red Planet to eject material from its surface. (Sotheby's says there are only 19 Martian craters large enough to have spit out this one.) That chunk

Topics: martian meteorite million planet red

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Best Internet Providers in Scottsdale, Arizona

cnet.com See Full Bio 2026-01-24 14:34:00

Fiber rollout is limited in Scottsdale, Arizona, andCenturyLink, also known as Quantum Fiber, is CNET's pick for the best internet provider in the city. However, if it's not available at your address, Cox is your next best bet. It's got fast download speeds, but upload speeds suffer as it's a cable operator. Our team considers speeds, pricing, customer service and overall value to recommend the best internet service. Our evaluation includes referencing a proprietary database built over years of

Topics: fiber internet plans scottsdale speeds

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Microsoft is buying tons of carbon removal from Xprize startup Vaulted Deep

techcrunch.com Tim De Chant 2026-01-24 20:03:19

Microsoft is building data centers as fast as it can, and that’s killing its carbon balance sheet. Since 2020, its carbon emissions have grown by nearly a quarter, undermining the pledge it made that year to remove more carbon from the atmosphere than it generates by 2030. So Microsoft has been buying massive amounts of carbon-removal credits to attempt to remedy that situation, including a newly announced purchase of 4.9 million metric tons from Vaulted Deep. Neither party disclosed the financ

Topics: carbon company metric million tons

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Here are the new features for Pixels in Android 16 QPR1 Beta 3

androidauthority.com Unknown 2026-01-25 00:51:34

Edgar Cervantes / Android Authority Google has released the third and final beta for Android 16’s first quarterly platform release (QPR1). Android 16 QPR1 Beta 3 is available without a detailed changelog, which is typical for these releases. We’ve already started digging into the build to find out what’s new, though, and here’s what we’ve discovered so far. Note: At the time of this article’s publication, Google has only released the Generic System Images (GSIs) for Android 16 QPR1 Beta 3. The

Topics: 16 android beta qpr1 release

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You can buy a 4-pack of Apple AirTags for just $80 on Amazon right now

zdnet.com Maria Diaz 2026-01-24 23:25:33

Kayla Solino/ZDNET Summer usually means one thing: vacation. And nothing can ruin a vacation more than losing your wallet or luggage. To ease those anxieties, I have the perfect Bluetooth accessory that's worth picking up before you hit your next destination. Amid the possibility of a new generation of the Apple AirTag, we're seeing big discounts on the Bluetooth tracker, making this the best time to buy the current generation. The Apple AirTag 4-Pack is on sale for 19% off right now, and the

Topics: airtag airtags apple bluetooth zdnet

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‘The Odyssey’ Sold Tickets a Year in Advance and Things Got Crazy

gizmodo.com Germain Lussier 2026-01-25 00:00:18

The Odyssey tells the story of one man’s long journey home after the Trojan War. And while the journey to Christopher Nolan’s adaptation won’t be nearly as perilous, it is certainly off to quite the start. The film opens in theaters July 17, 2026, which is exactly one year from today. And, earlier this week, showtimes for the film began mysteriously showing up on ticketing websites. Surely, no one would sell tickets for a movie a year in advance, right? Only that’s exactly what happened. And it

Topics: film imax theaters tickets year

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The Best-Sounding Midrange Bluetooth Speaker I've Tested Is 25% Off Right Now

cnet.com See Full Bio 2026-01-24 22:46:00

Deal alert: The Sony ULT Field 5 Bluetooth speaker is available for $248 at Amazon. That's equivalent to 25% off or a savings of $82. We named this newcomer the best midrange Bluetooth speaker available, and this discount puts it in a much more appealing price range. If you were to ask me what my favorite new portable Bluetooth speaker of 2025 is so far, I'd have to say Sony's ULT Field 5 speaker. When it launched back in April, I called it one of the best-sounding Bluetooth speakers I've teste

Topics: bluetooth field sound speakers ult

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Meta investors settle $8bn lawsuit with Zuckerberg over Facebook privacy

feeds.bbci.co.uk Unknown 2026-01-25 03:35:58

Meta investors settle $8bn lawsuit with Zuckerberg over Facebook privacy Mark Zuckerberg has agreed to settle a multibillion dollar lawsuit with a group of shareholders over how top executives at Meta handled repeated privacy violations by Facebook. The shareholders were seeking $8bn (£6bn) in damages. It is unclear how much they agreed to settle for. The settlement was announced on Thursday by a lawyer for the shareholders, just before the trial was about to enter its second day in a Delawar

Topics: facebook meta settle shareholders zuckerberg

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Tell HN: Notion Desktop is monitoring your audio and network

news.ycombinator.com Unknown 2026-01-25 03:59:54

If you have the Notion Desktop App installed, you may have started to notice a "In a meeting? Start AI Meeting Notes" notification pop up exactly when you are joining a virtual meeting (e.g. joining a Google Meet on Firefox). At first, I assumed it must have been using my Google Workspace account to snoop on my calendar. But then I started to notice it would notify exactly when I joined even if I was late and the meeting had previously started. This was the response from Notion Support after t

Topics: detection exactly meeting notion started

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July Mortgage Rate Forecast: Buyers Retreat as Rates Rebound

cnet.com See Full Bio 2026-01-25 03:36:00

Buyers should keep an eye on the possibility of rate cuts in the next few months. Tharon Green/CNET Every time the average 30-year fixed mortgage rate dips, even by a few tenths of a percentage point, prospective homebuyers jump to take advantage. As soon as rates move up again, mortgage activity goes down. The past few weeks offer a textbook example. When rates fell to around 6.7% (the lowest level in months) in early July, applications for home loans promptly ticked up, according to the Mort

Topics: inflation market mortgage rate rates

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Hacker steals $27 million in BigONE exchange crypto breach

bleepingcomputer.com Unknown 2026-01-25 10:54:26

Cryptocurrency exchange BigONE disclosed that hackers stole various digital assets valued at $27 million in an attack yesterday. The platform announced that private keys and user data remain unaffected by the intrusion and any customers that incurred losses will be reimbursed from available reserves. “In the early hours of July 16, BigONE detected abnormal movements involving a portion of the platform’s assets,” reads the announcement. “Upon investigation, it was confirmed to be the result of

Topics: assets attack bigone stolen year

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Best AirTag wallets 2025: I tested the best options to track your cards and cash

zdnet.com Kayla Solino 2026-01-25 10:25:00

Apple's AirTag is perhaps the most popular Bluetooth tracker on the market. While AirTags can be easily attached to keys, cutting-edge accessories let you use them on luggage, pet collars, remotes, and wallets. We've compared the best AirTag wallets from brands like Ridge and Titan X for card capacity, design, and overall value. We've also provided alternative Bluetooth tracker options like Bluetooth wallet cards. What's the best AirTag wallet right now? The accessory market is flooded with d

Topics: airtag card cash like wallet

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The New ‘Tron: Ares’ Trailer Teases Jared Leto’s AI Warrior—and His Wild Ride Through the Real World

gizmodo.com Cheryl Eddy 2026-01-25 10:22:53

A “biblically strong,” super-smart, unkillable warrior crafted from AI and brought from the digital world into the real world. Oh, and he’s on a mysterious mission, so you can add “curiosity” to that list of character traits. What could possibly go wrong? Add in some absolutely dazzling visuals, and you can get a good idea of what’s to come in Tron: Ares. The latest trailer is here, and it gives us our best look yet at Jared Leto’s supersoldier, unveiled by a smug-looking Evan Peters and questi

Topics: ares jared leto tron world

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Our Best View Yet of Interstellar Comet 3I/ATLAS

gizmodo.com Ellyn Lapointe 2026-01-25 10:40:08

A comet unlike any seen before has fixated astronomers around the world. An observatory in Hawaii has unveiled the most stunning image of this ancient interstellar visitor yet. The Gemini North telescope on Maunakea, Hawaii, recently snapped a close-up of 3I/ATLAS, the third interstellar object ever discovered. The telescope’s highly sensitive Multi-Object Spectrograph captured the comet’s compact coma—a cloud of gas and dust surrounding its icy nucleus—in striking detail. 3I/ATLAS is inbound t

Topics: 3i atlas comet disk interstellar

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Latest Tech News

Extending That XOR Trick to Billions of Rows

Citrix Bleed 2 exploited weeks before PoCs as Citrix denied attacks

Creating an autonomous system for fun and profit (2017)

We Sure Watched a Lot of Old Netflix Hits in the First Half of the Year

Wi-Fi Experts Reveal How Trump’s Budget Bill Could Slow Down Your Wi-Fi

Nintendo wants you to join its next mysterious Switch Online playtest

Android 16 QPR1 Beta 3 is here to install with Google’s latest bug fixes

Adam Mosseri steps back from Threads, app to be overseen by Meta’s AI lead

Does Your Favorite Emoji Crack the List of CNET's Top Picks?

Netflix says it’s streamed 95 billion hours in 2025, and a lot of ads too

Rumor Replay: All the latest on iPhone 17 Pro and iOS 26

Dell's new Pro Max lineup offers top-tier laptops for sky-high prices

Netflix Green-Lights 'Assassin's Creed' TV Series Adaptation

Best Internet Providers in Louisville, Kentucky

No. Eggs Won't Impact Your Cholesterol and 17 Other Health Myths You Can Stop Believing

Google is suing the BadBox 2.0 botnet group

Someone paid $5.3 million for a piece of Mars

Best Internet Providers in Scottsdale, Arizona

Microsoft is buying tons of carbon removal from Xprize startup Vaulted Deep

Here are the new features for Pixels in Android 16 QPR1 Beta 3

You can buy a 4-pack of Apple AirTags for just $80 on Amazon right now

‘The Odyssey’ Sold Tickets a Year in Advance and Things Got Crazy

The Best-Sounding Midrange Bluetooth Speaker I've Tested Is 25% Off Right Now

Meta investors settle $8bn lawsuit with Zuckerberg over Facebook privacy

Tell HN: Notion Desktop is monitoring your audio and network

July Mortgage Rate Forecast: Buyers Retreat as Rates Rebound

Hacker steals $27 million in BigONE exchange crypto breach

Best AirTag wallets 2025: I tested the best options to track your cards and cash

The New ‘Tron: Ares’ Trailer Teases Jared Leto’s AI Warrior—and His Wild Ride Through the Real World

Our Best View Yet of Interstellar Comet 3I/ATLAS

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