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Don't plug these 7 appliances (including AC units) into extension cords - according to professionals

zdnet.com Chris Bayer 2025-09-03 04:45:14

NurPhoto / Gettyimages Extension cords are generally a safe solution for running power to electronics that are too far from the nearest wall outlet. But the operative word here is "electronics," which is not as all-encompassing as some people might think. Also: This palm recognition smart lock doubles as a video doorbell (and has no monthly fees) Appliances (like refrigerators and toaster ovens) are obviously electronic devices, but they're in a different class from most electronics because o

Topics: cord extension outlet power watts

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CoinMarketCap briefly hacked to drain crypto wallets via fake Web3 popup

bleepingcomputer.com Unknown 2025-09-02 23:47:05

CoinMarketCap, the popular cryptocurrency price tracking site, suffered a website supply chain attack that exposed site visitors to a wallet drainer campaign to steal visitors' crypto. On Friday evening, January 20, CoinMarketCap visitors began seeing Web3 popups asking them to connect their wallets to the site. However, when visitors connected their wallets, a malicious script drained cryptocurrency from them. The company later confirmed threat actors utilized a vulnerability in the site's ho

Topics: attack coinmarketcap malicious site wallet

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Verified dynamic programming with Σ-types in Lean

news.ycombinator.com Tanner Duve 2025-08-30 18:28:30

1. Introduction If you’ve taken an algorithms class, you have likely seen dynamic programming, specifically a technique called memoization. Memoization works to optimize recursive algorithms by caching the solutions to subproblems in a table, and when a subproblem is encountered, it queries the table instead of recomputing the solution. This gives us an exponential performance boost. This blog post will show how to solve a dynamic programming problem using memoization in Lean, and verify its c

Topics: let maxdollars_spec memo proof type

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Verified Dynamic Programming with Σ-types in Lean

news.ycombinator.com Tanner Duve 2025-08-31 04:28:30

1. Introduction If you’ve taken an algorithms class, you have likely seen dynamic programming, specifically a technique called memoization. Memoization works to optimize recursive algorithms by caching the solutions to subproblems in a table, and when a subproblem is encountered, it queries the table instead of recomputing the solution. This gives us an exponential performance boost. This blog post will show how to solve a dynamic programming problem using memoization in Lean, and verify its c

Topics: let maxdollars_spec memo proof type

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I replaced my iPad with a $100 Android tablet, and here's my verdict after two weeks

zdnet.com Maria Diaz 2025-09-04 02:22:00

ZDNET's key takeaways The Celero5G Tab is available for as low as $100 for existing customers, with a data line costing $20 a month. This is a simple, no-frills Android tablet that you can take anywhere with you for light work and entertainment, whether there's Wi-Fi or not. The Celero5G Tab is network-exclusive with Boost Mobile, and it has very limited memory and capacity, so I wouldn't recommend it for demanding work sessions. View now at Boost Mobile Good, affordable tablets are few and h

Topics: boost celero5g mobile tab tablet

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I prefer this $200 Lenovo tablet over the iPad for mobile entertainment - here's why

zdnet.com Cesar Cadenas 2025-09-04 06:39:00

ZDNET's key takeaways The Lenovo Tab Plus retails for $330, but is frequently on sale. Contrary to its small size, the model houses a booming eight-speaker system and a long-lasting battery. The MediaTek Helio chipset and dim display won't be winning any awards. View now at Best Buy View now at Amazon View now at Lenovo more buying choices The Lenovo Tab Plus received a $126 discount, bringing it to an even more accessible $224 price point. If you're in the market for a new tablet that won't

Topics: lenovo plus tab tablet zdnet

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I tested a large-screen tablet that gave me zero iPad Pro envy (and it's on sale)

zdnet.com Maria Diaz 2025-09-04 10:11:16

ZDNET's key takeaways The Samsung Galaxy Tab S10 Ultra is available for up to $800 off with a trade-in credit. This 14.6-inch tablet is a productivity powerhouse, packed with a strong processor and Galaxy AI tools perfect for work and play. The Galaxy Tab S10 Ultra isn't super portable: it's large and the keyboard case is expensive and sold separately, and the S Pen stores awkwardly on the back. View now at Samsung View now at Amazon more buying choices Save up to $800 on the Samsung Galaxy S

Topics: galaxy s10 samsung tablet ultra

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Apple iPad 11-inch With A16 Chip Hits Its Lowest Price as Amazon Clears Out Top Tablets

gizmodo.com Joe Tilleli 2025-09-04 10:40:38

We’re about to have huge wave of humidity hit all across the United States. That means its the perfect time to just stay inside, playing Fortnite on an iPad, or streaming the new season of Love Island. Amazon right now has the Wi-Fi only model of the Apple iPad with the A16 chip on sale for $50 off as part of a limited time deal. The brings down the tablet to just $299 from its original price of $349. See at Amazon Liquid Retina Display The Apple iPad is an 11-inch tablet built for the everyd

Topics: amazon apple color ipad tablet

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Why I recommend this Lenovo tablet over competing models that cost twice the price

zdnet.com Kyle Kucharski 2025-09-05 00:00:17

ZDNET's key takeaways The Lenovo Legion Tab Gen 3 is available now for $549. It features a gorgeous display, dual USB-C ports, and excellent performance with the latest Snapdragon 8 Gen 3 chip. If you're looking for a big-screen tablet with a stylus, you'll likely find the eight-inch screen too small. $449.99 at Lenovo The Legion Tab Gen 3 joins Lenovo's gaming lineup as a slim and light eight-inch Android tablet with a brilliant 2.5K, 165Hz display, and 12GB of RAM. These specs, combined wit

Topics: device gaming legion tab tablet

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Enter the Gungeon is dodge rolling onto Android, with online co-op and exclusive content

androidauthority.com Unknown 2025-09-07 11:10:13

TL;DR Bullet hell titles Enter the Gungeon and Exit the Gungeon are coming to Android. Enter the Gungeon adds online co-op and exclusive new content. Release is expected later in the summer, but you can pre-register now. Fans of ultra-challenging bullet hell games are in for a treat, because Enter the Gungeon and Exit the Gungeon are officially coming to Android and iOS. The gun-tastic ports will feature the original games in full, plus a few new features that aren’t available on any other pl

Topics: available bullet enter game gungeon

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7 Ways to Limit Your Endless Doomscrolling

wired.com David Nield 2025-09-07 11:00:00

If you actually measure the amount of time you spend scrolling through algorithm-led social media feeds each day, it will probably add up to more hours and minutes than you’d guess. Time can quickly slip away while you're checking up on friends, celebrities, the news, and the viral memes of the day. The term doomscrolling has sprung up to describe this behavior, which, let's face it, isn't usually the most edifying or the best for our mood. It's no surprise that the word began to gain traction

Topics: android app apps delete notifications

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Show HN: Gifty – A real-world gift hunt you play with your feet

news.ycombinator.com Unknown 2025-09-04 13:12:42

Gifty Gifty is a gift hunt app that makes your everyday walk exciting. Discover digital gifts hidden around your city — like free coffee, discounts, and surprise treats. Open the map, go explore, and unlock real rewards. It's completely free, no spam, no catch.

Topics: app catch completely free gifty

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Minecraft now has a photo mode with Vibrant Memories

engadget.com Unknown 2025-09-07 17:59:49

Photo modes are a pretty common feature for video games where players go bounding around an interesting open world. Today, Minecraft joined their ranks, making an in-game camera available in the Minecraft Marketplace as a free add-on called Vibrant Memories. The feature requires a copy of Minecraft's Bedrock Edition on any platform; the Java version doesn't appear to support the camera. As well as capturing the moment as-is and saving particular camera angles to reuse later, Vibrant Memories wi

Topics: appear camera feature let minecraft

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Poline – An enigmatic color palette generator using polar coordinates

news.ycombinator.com Unknown 2025-09-04 05:38:56

Summoning The use of "Poline" begins with the invocation of its command, which can be performed with or without arguments. If called without, the tool will generate a mesmerizing palette featuring two randomly selected anchors. On the other hand, one can choose to provide their own anchor points, represented as a list of hsl values, for a more personal touch. The power to shape and mold the colors lies in your hands. To create a palette, "Poline" requires at least two anchor points, but the n

Topics: anchor anchors palette points provide

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Apple’s Wallet app has key new feature for saved credit cards in iOS 26

9to5mac.com Ryan Christoffel 2025-09-08 14:22:31

Apple’s Wallet app is getting one step closer to actually replacing your physical wallet, thanks to a new iOS 26 feature that’s available for all saved credit and debit cards. Full credit card details can now be saved inside Wallet app in iOS 26 Last year in iOS 18, Apple launched a new Passwords app across its platforms. I use the app all the time, but there are some key missing features that still send me back to 1Password. One such feature is support for storing full credit card informatio

Topics: app apple card credit wallet

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OnePlus could challenge Lenovo with this rumored gaming tablet

androidauthority.com Unknown 2025-09-08 18:16:54

Paul Jones / Android Authority TL;DR A Weibo tipster claims OnePlus is testing a compact gaming tablet with a 3K, 165Hz display. The device is said to have an 8.x-inch screen and a “geeky and simple” design. The rumored tablet would follow the recently released Pad 3 and the upcoming Pad Lite. OnePlus has been pushing hard into the tablet space this year, and we might be about to see the manufacturer expand those ambitions. If the rumors prove accurate, a OnePlus compact gaming tablet may be

Topics: gaming oneplus pad screen tablet

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The Definitive, Insane, Record-Smashing Story of the Enhanced Games

wired.com Amit Katwala 2025-09-08 12:00:00

On February 25, 2025, the Australian swimmer James Magnussen stood on the starting blocks at a swimming pool in North Carolina with a million dollars and his reputation on the line. Magnussen, a triple Olympic medalist and world champion in the 100-meter freestyle, had been retired from professional sports for six years. But he had restarted his career to join the Enhanced Games, a kind of Olympics on steroids. This is meant literally: The event, which encourages athletes to take performance-enh

Topics: athlete enhanced magnussen souza time

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"poline" is an enigmatic color palette generator using polar coordinates

news.ycombinator.com Unknown 2025-09-05 11:38:56

Summoning The use of "Poline" begins with the invocation of its command, which can be performed with or without arguments. If called without, the tool will generate a mesmerizing palette featuring two randomly selected anchors. On the other hand, one can choose to provide their own anchor points, represented as a list of hsl values, for a more personal touch. The power to shape and mold the colors lies in your hands. To create a palette, "Poline" requires at least two anchor points, but the n

Topics: anchor anchors palette points provide

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OnePlus tablets are getting one of Android’s best, and one of its worst, productivity features

androidauthority.com Unknown 2025-09-09 16:00:37

Ryan Haines / Android Authority TL;DR The latest OxygenOS 15 update brings Google’s Circle to Search and a new floating taskbar to the OnePlus Open and OnePlus Pad 2. Circle to Search allows users to quickly search anything on their screen by tapping, highlighting, or drawing over it. The floating taskbar, while aiming to balance productivity and screen real estate, lacks a quick toggle to switch styles and on tablets, it requires disabling gesture navigation for the fixed version. OnePlus m

Topics: floating oneplus open tablets taskbar

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Maestro Media hits Kickstarter goal for Clash of Clash tabletop game in 30 minutes (updated)

venturebeat.com Dean Takahashi 2025-09-10 18:00:00

Maestro Media formally launched its Kickstarter campaign for Clash of Clans: The Epic Raid, a new tabletop game based on Supercell’s top-selling mobile game. [Update: At 9:21 a.m. Pacific time on June 17, 668 backers had already pledged $136,378], surpassing the $50,000 target easily.] The Kickstarter crowdfunding campaign is starting today (June 17), but the team is already well under way on creating the tabletop game, said Javon Frazier, CEO of Maestro Media, in a GamesBeat interview for a s

Topics: clans clash game lang tabletop

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Why the Google Pixel Tablet is still my smart home display after a year (and it's on sale)

zdnet.com Maria Diaz 2025-09-12 00:30:13

ZDNET's key takeaways The Google Pixel Tablet retails for $499. The 11-inch tablet runs Android 13 on Google's Tensor G2 chip It has solid performance, small bezels surrounding the screen that can handle multitasking, and a charging dock. Android can be buggy on the Pixel Tablet, though less so than on competing devices; the refresh rate tops out at 60Hz, and picking up the tablet takes some getting used to. $499 at Target $499 at Best Buy more buying choices On Amazon, the 128GB Google Pixe

Topics: google home pixel smart tablet

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MagSafe Monday: ArmorGo Magnetic Wallet Stand adds a solid kickstand and RFID protection in a slim design

9to5mac.com Bradley C 2025-09-13 02:00:00

MagSafe accessories continue to be a mix of great ideas and daily annoyances, but I keep trying them all. I’ve tried enough wallets to fill a drawer in my desk, and most of them get something right, but miss on a few minor things. Recently, I’ve been trying some new wallets that do more than hold credit cards. That’s what caught my eye with the BENKS ArmorGo Magnetic Wallet Stand, and I’ve been using it for the past few weeks. Some of my favorite gear Abode Home Security System Abode is the bes

Topics: cards magsafe stand ve wallet

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This MagSafe accessory just duped the most premium wallet I've tried for $30

zdnet.com Kayla Solino 2025-09-13 22:45:00

ZDNET's key takeaways The Benks ArmorGo Magnetic Wallet and Stand is on sale for $30. It holds up to three cards, has a rotatable stand, is RFID blocking and extra durable. It's a great value competitor, but doesn't hold more than a few cards. $29.69 at Amazon It's not magic … it's MagSafe. From MagSafe batteries to MagSafe wallets, there are so many options out there to level up your phone. Also: 7 MagSafe accessories that I recommend every iPhone user should have As ZDNET's primary MagSaf

Topics: armorgo benks magsafe ohsnap wallet

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I replaced my Kindle and iPad within hours of testing this tablet - and didn't regret it

zdnet.com Maria Diaz 2025-09-14 10:56:00

ZDNET's key takeaways The TCL Tab 10 Nxtpaper 5G is a full-color, color paper, and ink paper tablet available at Verizon for $239. It's a great entertainment tablet for daily use that also functions very well as an e-reader. Although the screen is versatile, don't expect the graphics to compare to those on an iPad or other high-end tablets. View now at Verizon For a limited time, Verizon is running an offer for the TCL Tab 10 Nxtpaper 5G that nets you $100 off the tablet when you purchase it

Topics: 10 nxtpaper tab tablet tcl

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Show HN: Zeekstd – Rust Implementation of the ZSTD Seekable Format

news.ycombinator.com Unknown 2025-09-13 20:49:18

Zeekstd A Rust implementation of the Zstandard Seekable Format. The seekable format splits compressed data into a series of independent "frames", each compressed individually, so that decompression of a section in the middle of an archive only requires zstd to decompress at most a frame's worth of extra data, instead of the entire archive. Zeekstd makes additions to the seekable format by implementing an updated version of the specification, however, it is fully compatible with the initial ve

Topics: decoder file let mut seekable

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I test tablets for a living and this is the Samsung tablet I recommend the most

zdnet.com Maria Diaz 2025-09-14 04:00:18

ZDNET's key takeaways The Samsung Galaxy Tab S10 FE+ is a 13.1-inch tablet for $649. It's a good iPad Air alternative for Android users, with reliable performance, a larger display than the S10+, and an IP68 rating that the iPad lacks; it also includes the S Pen. The price increased by $50 for the base model compared to last year, and the tablet now has a single rear camera rather than the precious dual cameras. View now at Best Buy View now at Samsung more buying choices The Samsung Galaxy T

Topics: fe ipad s10 tab tablet

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Fixing the mechanics of my bullet chess

news.ycombinator.com Jacob Brazeal 2025-09-14 00:40:46

I’ve been playing chess a long time now, and I’ve always been a good deal better (maybe a couple hundred ELO points) at blitz (3+0 or 5+0) than bullet (1+0). Well, I may have just fixed that. I changed how I move pieces this afternoon and have gained about 100 ELO already. When I play on a computer, I usually drag-and-drop pieces. But it turns out you can also move pieces by clicking first on your piece and then the target square. An analysis of my recent games indicates this shift saved me abou

Topics: bullet click drop seconds time

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You Still Can't Use Apple Pay at Walmart but You Have Another Digital Wallet Option

cnet.com See Full Bio 2025-09-14 00:02:00

If you're shopping at Walmart, your digital payments options are limited to the OnePay Wallet or Walmart Pay. Kativ/Getty Images If you're shopping in-store at Walmart, you can't use Apple Pay or Google Pay to make a purchase. But Walmart introduced a credit card that already offers its own digital wallet. OnePay, a Walmart majority-owned fintech, announced it's partnering with financial service Synchrony to introduce a Walmart-branded credit card this fall but you can use the OnePay digital w

Topics: card onepay pay wallet walmart

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The iPad Mini is 20% off, making my favorite portable tablet even easier to recommend

zdnet.com Maria Diaz 2025-09-14 02:00:20

ZDNET's key takeaways The iPad Mini 7 is available for $499 but is currently $100 off. The compact iPad Mini 7 has gone everywhere with me this past week, fitting easily into bags and purses without weighing them down. Aside from the more powerful A17 Pro chip, the iPad Mini 7 isn't much of an upgrade (especially for 6th-gen users), plus its display tops out at 60Hz. $399 at Amazon $499 at Apple $499 at B&H Photo-Video more buying choices The iPad Mini 7 is currently $100 off at Amazon, start

Topics: apple ipad mini pro tablet

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Subtype Inference by Example

news.ycombinator.com Considerations On Codecrafting 2025-09-11 13:04:40

In recent years, there has been increasing interest in tools and programming languages that can automatically detect common types of bugs, in order to improve product quality and programmer productivity. Most commonly, this is done via static type systems, but traditional static type systems require large amounts of manual annotation by programmers, making them difficult to work with. Therefore, modern programming languages make increasing use of type inference, which provides the same benefits

Topics: cubiml languages let syntax type

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Latest Tech News

Don't plug these 7 appliances (including AC units) into extension cords - according to professionals

CoinMarketCap briefly hacked to drain crypto wallets via fake Web3 popup

Verified dynamic programming with Σ-types in Lean

Verified Dynamic Programming with Σ-types in Lean

I replaced my iPad with a $100 Android tablet, and here's my verdict after two weeks

I prefer this $200 Lenovo tablet over the iPad for mobile entertainment - here's why

I tested a large-screen tablet that gave me zero iPad Pro envy (and it's on sale)

Apple iPad 11-inch With A16 Chip Hits Its Lowest Price as Amazon Clears Out Top Tablets

Why I recommend this Lenovo tablet over competing models that cost twice the price

Enter the Gungeon is dodge rolling onto Android, with online co-op and exclusive content

7 Ways to Limit Your Endless Doomscrolling

Show HN: Gifty – A real-world gift hunt you play with your feet

Minecraft now has a photo mode with Vibrant Memories

Poline – An enigmatic color palette generator using polar coordinates

Apple’s Wallet app has key new feature for saved credit cards in iOS 26

OnePlus could challenge Lenovo with this rumored gaming tablet

The Definitive, Insane, Record-Smashing Story of the Enhanced Games

"poline" is an enigmatic color palette generator using polar coordinates

OnePlus tablets are getting one of Android’s best, and one of its worst, productivity features

Maestro Media hits Kickstarter goal for Clash of Clash tabletop game in 30 minutes (updated)

Why the Google Pixel Tablet is still my smart home display after a year (and it's on sale)

MagSafe Monday: ArmorGo Magnetic Wallet Stand adds a solid kickstand and RFID protection in a slim design

This MagSafe accessory just duped the most premium wallet I've tried for $30

I replaced my Kindle and iPad within hours of testing this tablet - and didn't regret it

Show HN: Zeekstd – Rust Implementation of the ZSTD Seekable Format

I test tablets for a living and this is the Samsung tablet I recommend the most

Fixing the mechanics of my bullet chess

You Still Can't Use Apple Pay at Walmart but You Have Another Digital Wallet Option

The iPad Mini is 20% off, making my favorite portable tablet even easier to recommend

Subtype Inference by Example

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