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Show HN: TokenDagger – A tokenizer faster than OpenAI's Tiktoken

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Millions of Brother Printers Are Full of Hackable Bugs

Brother makes some solid, reliable printers. Indeed, for several years running, The Verge named it the best printer you should buy. Unfortunately, the company’s devices appear to be riddled with new zero-day bugs that could allow a savvy cybercriminal to hijack them. The vulnerabilities were discovered by cybersecurity firm Rapid7, which published a blog about the bugs last week. The blog explains that, after some research, Rapid7’s cyber pros came across a total of eight new zero-day vulnerabi

Got a Galaxy phone? Samsung says you should turn on these security features now!

Nick Fernandez / Android Authority TL;DR Samsung has advised Galaxy users to activate a set of security features to protect their phones in case of theft. Most of these features made their way to Samsung devices with the One UI 7 update. The company says more Galaxy devices will get these features in the future. Samsung is asking Galaxy users to activate a set of security features on their phones. The company says that because phone theft incidents are rising worldwide, all Galaxy users must

Roborock Prime Day deals: Affordable and powerful, the Qrevo and Q Series robot vacuums can do it all

Summer is here! But as much as we’d like to spend every weekend outdoors and enjoy the warm weather, the one thing that often gets in the way of exciting plans is tedious chores. Roborock has at least some of this busy work taken care of with its new Q Series and Qrevo robot vacuums. Roborock’s current releases, which include the Roborock Q7 M5+, the Q10 S5+, the QV 35A, and the Qrevo S5V, will continue to be available at special introductory prices during Prime Day. Here’s everything you need

Updating my Pixel Watch was a nightmare until I did these tricks

Kaitlyn Cimino / Android Authority Most people reading this know that Google Pixel phones are some of the best you can get if you prioritize fast, reliable software updates. Most of the time, you’ll get a notification on your phone within a few days after an update goes live. And, if you don’t want to wait, it’s very easy to pop into the Settings app to see if you’re on the latest version. If not, a quick tap of the Check for updates button will get you there. Strangely, this system does not a

This Google Wallet trick is helping me organize all my summer travel

Rita El Khoury / Android Authority If you know me, you know that I love traveling, I enjoy visiting fun places, and I try to be as organized about all of this as I can. That’s why I use the wonderful Wanderlog to plan my trips, but since I don’t pay for the app’s premium sub, I have to manage my reservation documents separately. That’s why every trip gets a folder in Google Drive, and in there go all the PDF files for hotels, museums, expos, concerts, events, and other bookings I’ve planned dur

One UI 8 Watch beta completely overhauls tiles on Galaxy Watch

Kaitlyn Cimino / Android Authority TL;DR The One UI 8 Watch beta has released, and it brings new tile shapes. Many apps also support smaller tiles which can be stacked in pairs on a single screen. Most of these newly shaped tiles belong to Samsung apps, while other developers, including Google, continue to have circular ones. The Galaxy Watch 8 series has already leaked ahead of its expected arrival, and it has a divisive design change. But with changes to its hardware, Samsung is also plann

Samsung One UI 8 beta brings Now Bar to Galaxy Watches

AssembleDebug / Android Authority TL;DR Samsung’s first One UI 8 Watch beta update brings the Now Bar to Galaxy Watches. The Now Bar displays snippets of relevant info on your lock screen, such as the stopwatch, music info, and more. Samsung has just released the first One UI 8 Watch beta update, which brings various additions and improvements to Galaxy Watch models. The new software also brings a popular feature to smartwatches. The One UI 8 Watch beta changelog revealed that the Now Bar is

Over 1,200 Citrix servers unpatched against critical auth bypass flaw

Over 1,200 Citrix NetScaler ADC and NetScaler Gateway appliances exposed online are unpatched against a critical vulnerability believed to be actively exploited, allowing threat actors to bypass authentication by hijacking user sessions. Tracked as CVE-2025-5777 and referred to as Citrix Bleed 2, this out-of-bounds memory read vulnerability results from insufficient input validation, enabling unauthenticated attackers to access restricted memory regions. A similar Citrix security flaw, dubbed

How to set up Alexa to receive notifications on Prime Day deals you want

'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

How proxy servers actually work, and why they're so valuable

Getty/sasha85ru Let's talk about proxy servers. Proxy servers are often confused with virtual private networks (VPNs) because their network architectures are very similar. But proxies and VPNs are very different beasts. Don't worry: Below, I'll introduce you to proxy servers, compare and contrast them to VPNs, and describe the many different types of proxy servers and how they're used. Also: The best proxy server services of 2025 Defining proxy servers If you look at Webster's three definit

Nearly 20% of cancer drugs defective in four African nations

Across Africa, cancer medications have been found to be substandard or counterfeit. That means people are being given medicine that may not work, or that could even cause them harm. An alarming number of people across Africa may be taking cancer drugs that don't contain the vital ingredients needed to contain or reduce their disease. It's a concerning finding with roots in a complex problem: how to regulate a range of therapeutics across the continent. A US and pan-African research group publ

Biologists Uncover Previously Unknown Structure Hiding Inside Human Cells

Even after decades of peering into cells, biologists are still finding surprises. In a twist, researchers at the University of Virginia and the National Institutes of Health uncovered a new organelle, dubbed the hemifusome. This tiny membrane-bound structure serves as a cellular recycling center and may hold the key to treating several genetic diseases. The research has been published in Nature Communications. “This is like discovering a new recycling center inside the cell,” co-author Seham E

25 of the Best TV Shows on Disney Plus

Disney Plus has become a force to be reckoned with in the streaming TV realm. Like Netflix before it, the Disney-owned content platform has become a utility within my household. Simply put, it's an entertainment necessity and one of the best streaming platforms today. If you've been sleeping on Disney Plus, now's the time to wake up. The Mouse House's streamer has been around for a bit over a decade, but its library is so stacked, it feels like it's been around for way longer. Where else can yo

13 Best French Presses (2025): Plastic, Glass, Stainless Steel, Travel

The French press is an unassuming piece of coffee-making equipment. It doesn’t require electricity, yet experts agree that it can brew a richer and more full-bodied cup of joe in comparison with its more technologically advanced peers. For example, natural oils that would otherwise be filtered out in a drip coffee maker remain fully intact, making the coffee aromatic and robust. The French press method of making coffee is straightforward, cost-effective, easy to do, and hard to mess up. The dev

Home Office Setup Guide (2025): Webcams, Desks, Chairs, and More

No matter if you're working from home full-time or just a few days a week, it's important to carve out a home office setup that separates your work and personal lives. It's equally vital that your workstation is kitted out with the right gear and accessories to make the day more bearable and comfortable. Since 2020, we've been testing standing desks, office chairs, monitors, USB hubs, keyboards, and tons of other work-from-home gear in our own lives. These are our favorites. Updated June 2025:

25 Best Wireless Chargers (2025), Tested and Reviewed

Other Wireless Chargers We Tested Photograph: Simon Hill There are a lot of wireless chargers. Here are a few more we like, but for one reason or another don't warrant a place above. Baseus Nomos 5-in-1 Charging Station for $100: If you liked the PicoGo W2 above but need more gadget-charging power, this 5-in-1 could be worth a look. It also has a tilting pad and retractable USB-C cable, but adds two more USB-C ports and one USB-A, along with a stats-filled display. It’s perfect for your deskt

Trump says he has group of ‘very wealthy people’ ready to buy TikTok

U.S. President Donald Trump announced on April 4 that he would again postpone enforcement of a law banning TikTok unless its Chinese owner ByteDance divests from the platform. U.S. President Donald Trump told Fox News in an interview aired on Sunday that he has a group of "very wealthy people" ready to buy TikTok, whose identities he can reveal in about two weeks. Trump added that the deal will probably need Beijing's approval to move forward, but said "I think President Xi will probably do it

I never thought I'd praise a kickstand power bank - until I tried this one

'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

Nearly 20% of cancer drugs defective in 4 African nations

Across Africa, cancer medications have been found to be substandard or counterfeit. That means people are being given medicine that may not work, or that could even cause them harm. An alarming number of people across Africa may be taking cancer drugs that don't contain the vital ingredients needed to contain or reduce their disease. It's a concerning finding with roots in a complex problem: how to regulate a range of therapeutics across the continent. A US and pan-African research group publ

Use keyword-only arguments in Python dataclasses

Python dataclasses are a really nice feature for constructing classes that primarily hold or work with data. They can be a good alternative to using dictionaries, since they allow you to add methods, dynamic properties, and subclasses. They can also be a good alternative to building your own class by hand, since they don’t need a custom __init__() that reassigns attributes and provide methods like __eq__() out of the box. One small tip to keeping dataclasses maintainable is to always construct

The $25k car is going extinct?

View in browser Issue #353 Sunday, June 29, 2025 Why the $25,000 car is going extinct Can’t find an affordable car anywhere? You’re not the only one. BY MARK DENT In late 2021, Ford released the Maverick, a compact pickup truck. At roughly half the cost and half the weight of the popular F-150, it was meant to be an antidote for excess, and it worked. With a manufacturer’s suggested retail price (MSRP) of $19,995 for the base level, the Maverick drew rave reviews from critics and a rush of inte

NativeJIT: A C++ expression –> x64 JIT

NativeJIT NativeJIT is an open-source cross-platform library for high-performance just-in-time compilation of expressions involving C data structures. The compiler is light weight and fast and it takes no dependencies beyond the standard C++ runtime. It runs on Linux, OSX, and Windows. The generated code is optimized with particular attention paid to register allocation. The compiler was developed by the Bing team for use in the Bing search engine. One important use is scoring documents contai

Gridfinity: The modular, open-source grid storage system

Gridfinity could be your workshop's ultimate modular storage system to keep you productive, organized, and safe. It is free, open source, and almost 100% 3D printable. Alexander Chappels Assortment System, licensed under CC-A-NC-SA, partly inspired Zack Freedman's initial designs of Gridfinity. The Gridfinity designs were first released in the video "Gridfinity: Your Ultimate Modular Workshop is FREE!" as a framework for the community to extend, released under the MIT license. Now Gridfinity i

Is Crypto in a Bubble (Again)?

The crypto world is buzzing. If you ask a true believer, they’ll say this is just the beginning. Ask a skeptic, and they’ll swear we’re watching a bubble inflate in real time. One that could pop any second. I saw the excitement firsthand at a crypto event in Brooklyn last week. The bar was packed. People were animated. It felt like a flashback to 2020 and 2021, when crypto fever gripped everyone from twenty-something retail traders to grandparents. Back then, it was all about Bitcoin, flashy NF

OpenAI reportedly ‘recalibrating’ compensation in response to Meta hires

In Brief With Meta successfully poaching a number of its senior researchers, an OpenAI executive reportedly reassured team members Saturday that company leadership has not “been standing idly by.” “I feel a visceral feeling right now, as if someone has broken into our home and stolen something,” Chief Research Officer Mark Chen wrote in a Slack memo obtained by Wired. In response to what appears to be a Meta hiring spree, Chen said that he, CEO Sam Altman, and other OpenAI leaders have been w

Why AI will eat McKinsey’s lunch — but not today

Navin Chaddha, managing director of the 55-year-old Silicon Valley venture firm Mayfield, is betting big on AI’s ability to transform people-heavy industries like consulting, law, and accounting. The veteran investor, whose wins include Lyft, Poshmark, and HashiCorp, recently discussed at TechCrunch’s StrictlyVC evening in Menlo Park why he believes “AI teammates” can create software-like margins in traditionally labor-intensive sectors, and why startups should right now target neglected markets

Nvidia insiders dump more than $1 billion in stock, according to report

NVIDIA founder and CEO Jensen Huang speaks during the NVIDIA GTC Paris keynote, part of the 9th edition of the VivaTech technology startup and innovation fair, held at the Dôme de Paris in the Porte de Versailles exhibition center in Paris on June 11, 2025. Insiders at artificial intelligence chipmaker Nvidia have dumped more than $1 billion in stock over the last year, according to a report from the Financial Times. About $500 million worth of sales occurred over the last month as the market

Scientists Detect Deep, Rhythmic Pulse Coming From Inside the Earth

"This has profound implications..." DJ Earth Scientists have discovered a heartbeat-like pulse emanating from inside the Earth beneath the continent of Africa, which they believe will one day rip the continent into pieces. In a new study published today in the journal Nature Geoscience, a team of European and African scientists explain how they used chemical signatures to examine this inner-Earth heartbeat, explaining that molten chunks of mantle — the rocky layer found between the Earth's su