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Modelling API rate limits as diophantine inequalities

modelling API rate limits as diophantine inequalities You're allowed 10 requests per hour. Each task you run makes three attempts: initial call, retry after 10 minutes, and retry after 30 minutes. What’s the maximum number of tasks you can safely run per hour? Most engineers throw exponential backoff at the problem. And it works great in most cases! But can we, for the sake of having fun, be more mathematical about this? In a way, this is just an integer feasibility problem. the setup Let’

Topics: 10 30 retry task window

4-10x faster in-process pub/sub for Go

Fast, In-Process Event Dispatcher This package offers a high-performance, in-process event dispatcher for Go, ideal for decoupling modules and enabling asynchronous event handling. It supports both synchronous and asynchronous processing, focusing on speed and simplicity. High Performance: Processes millions of events per second, about 4x to 10x faster than channels. Processes millions of events per second, about than channels. Generic: Works with any type implementing the Event interface

‘Resident Evil: Requiem’ Will Refocus On the Series’ Past

After the series explored new, undead ground in the last two main games, Resident Evil: Requiem is going back to narrative threads from the franchise’s past. In a recent PlayStation Blog interview, producer Masato Kumazawa talked about Requiem’s timing as a game for the series’ 30th anniversary. Where Ethan Winters’ two games “explored [the series’] broader world, Capcom wanted to “return to a story that continues the overarching narrative rooted in Raccoon City and the secret machinations of t

Best VPN for iPhone 2025: Privacy Protection on the Go

Downloading a VPN app, creating an account, choosing a plan and connecting to your VPN shouldn't take longer than a minute or so. Nelson Aguilar/CNET With so many iPhone VPN apps available, it can be difficult to choose the right one. Based on our extensive research and hands-on testing of VPNs over the years, these are the factors to look out for when choosing the best VPN for iPhone: Privacy The most important factor to consider with any VPN is privacy. You should never use a VPN provider i

Must-Play Games of 2025 So Far: Death Stranding 2, Expedition 33, Assassin's Creed Shadows and More

At the start of the year, 2025 was going to be all about Grand Theft Auto 6, which had so much hype that players were already expecting it to win Game of the Year. That changed last month when Rockstar Games announced that its highly anticipated game would be pushed to 2026. Though this year might not have what could be the biggest game of the decade, 2025 so far has some great games from the most unlikely places. With the launch of the Switch 2 and Summer Game Fest already happening in early J

Today's NYT Connections: Sports Edition Hints and Answers for June 30, #280

Looking for the most recent regular Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle and Strands puzzles. Today's Connections: Sports Edition might be tough. The blue category is about a backyard game that I just don't think of as a true sport, and the purple category is one of those patented NYT word-trickery groups. Read on for hints and the answers. Connections: Sports Edition is out of beta n

Today's NYT Connections Hints, Answers and Help for June 30, #750

Looking for the most recent Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections: Sports Edition and Strands puzzles. Today's NYT Connections puzzle is a tough one. The blue and purple categories especially threw me off. It helps to know your movies. Read on for clues and today's Connections answers. The Times now has a Connections Bot, like the one for Wordle. Go there after you play to

Today's NYT Strands Hints, Answers and Help for June 30, #484

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. Gardeners -- today's NYT Strands puzzle is for you. I'm not one, and some of the answers were tough to find and even tougher to unscramble. 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 Wordl

12 New Summer Anime Releases to Add to Your Watch List Right Now

It's time to relax into some deliciously good summer anime, with the return of titles like Dan Da Dan, Sakamoto Days and Kaiju No. 8, as well as some fresh arrivals. Can you believe Grand Blue Dreaming is back on TV after all this time? We don't blame you if you get excited or if your downloads go crazy. To help you prep your watch list this season, we've highlighted a selection of TV series on various streaming services, such as Crunchyroll and Netflix. Monsters, drama and more stories await y

This data center in Nevada runs on solar power and reused EV batteries in groundbreaking project

Forward-looking: Growing demand for AI-driven data centers is straining the energy grid. Repurposed electric vehicle batteries offer a promising solution, storing renewable energy more efficiently while reducing waste. This emerging technology could reshape how we power the digital age. Redwood Energy, a Redwood Materials venture, aims to change how people use lithium-ion batteries. Instead of sending batteries from electric vehicles straight to recycling, the company gives them a second life,

Tesla's IPO was 15 years ago. The stock is up almost 300-fold since then

In this article TSLA Follow your favorite stocks CREATE FREE ACCOUNT CEO of Tesla Motors Elon Musk waves after ringing the opening bell at the NASDAQ market in celebration of his company's initial public offering in New York June 29, 2010. Brendan McDermid | Reuters At the time of Tesla's IPO 15 years ago, the company had generated roughly $150 million in revenue in its lifetime. That came almost entirely from the Roadster, a two-seat electric sportscar that boasted a range of 236 miles on a s

Scientists Intrigued to Discover That Human Brains Are Glowing Faintly

Image by Getty / Futurim Developments Scientists have some exciting news: your brain is likely glowing, whether you can see it or not. The news comes from researchers at Algoma University in Ontario, who found evidence that the human brain, of all things, possesses luminescent properties. Essentially, they found that as the brain metabolizes energy, it releases super-faint traces of visible light. Called ultra-weak photon emissions (UPEs), the flashes of light are emitted when electrons break

One of our favorite Ninja air fryers is $50 off for Prime Day

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . For many, summer means it's time to grill outdoors. But cooking inside does at least mean you’re likely to deal with fewer bugs. It also makes it easier to try out new kitchen equipment, such as a Ninja air fryer that’s on sale ahead of Prime Day. The Ninja Foodi Dual-Zone 10-quart air

Topics: air day deals ninja prime

Amazon Prime Day 2025: The best early deals to shop now, dates and everything else you need to know

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . Prime Day is coming back (again) this year; here's what we know so far, plus early deals. Amazon Prime Day has been a summer mainstay for years at this point and this year is no exception. Prime Day will return on July 8 to July 11 this year, marking the first time the shopping event

Let’s Encrypt ends certificate expiry emails to cut costs, boost privacy

Let's Encrypt has announced it will no longer notify users about imminent certificate expirations via email due to high costs, privacy concerns, and unnecessary complexities. The decision to end the expiration notification email service was implemented as of June 4, 2025, but Let's Encrypt has now communicated it via a blog post to raise awareness and prevent unexpected disruptions. Let's Encrypt is a nonprofit Certificate Authority (CA) that provides free, automated, and open digital certific

Get a free Samsung Galaxy S25 Plus from T-Mobile with any trade-in - here's how

Kerry Wan/ZDNET Newer phones may be getting more compact, but that doesn't mean there aren't bigger options available. The Samsung Galaxy S25 Plus would be a perfect contender if you need a bigger screen, a great camera system, and the latest mobile AI capabilities. Also: You can use T-Mobile's satellite service for free on any carrier now - here's how T-Mobile is now running an offer where you can get your ludicrously capacious Galaxy S25 Plus for free. All you have to do is trade in a phone

I switched to a Wi-Fi-enabled smart lock with facial recognition - and can't go back

ZDNET's key takeaways As part of its Zeno Series, Lockly's Visage smart lock is available now for $349. The Lockly Visage comes with facial ID support, automatic unlocking when you're near, and Apple Home Kit compatibility. The Lockly app can be more user-friendly, as it's difficult to find certain settings, and it's pricier than most locks. $349 at Amazon $349.99 at Best Buy more buying choices I've always been drawn to Lockly because of its PIN Genie technology -- a system that displays a u

The best Google phones to buy in 2025 ahead of the Pixel 10 launch

Google nailed it with the Pixel 9 lineup, thanks to its clean software, some genuinely useful artificial intelligence features, and availability in every price segment. The flagship lineup includes four Pixel phones -- the Pixel 9, Pixel 9 Pro, Pixel 9 Pro XL, and Pixel 9 Pro Fold, while the Pixel 9a debuted recently. This makes a Pixel smartphone available in every price segment. The latest devices also include new AI features and camera smarts with the help of Google Gemini. It can be confusi

Why Go Rocks for Building a Lua Interpreter

By Roxy Light I recently needed to build a custom Lua interpreter in Go. The exact reasons aren’t important for this blog post, but neither the reference implementation — which I will be referring to as “C Lua” throughout this article — nor the other open source Go Lua intepreters I could find were a good fit for my needs. Building a Lua interpreter ended up being a rather enjoyable months-long side quest. I’ve had a number of folks ask me to write about the experience since these sorts of proj

What LLMs Know About Their Users

We need to talk about data integrity. Narrowly, the term refers to ensuring that data isn’t tampered with, either in transit or in storage. Manipulating account balances in bank databases, removing entries from criminal records, and murder by removing notations about allergies from medical records are all integrity attacks. More broadly, integrity refers to ensuring that data is correct and accurate from the point it is collected, through all the ways it is used, modified, transformed, and eve

Amazon Slashes Dyson V15 Laser Price Twice in 3 Days, Don’t Wait for Prime Day

The Dyson V15 Detect Plus is a flagship model by Dyson, and it’s already revolutionizing the world of home cleaning: This is the one that comes with the innovative laser technology that lights up even the tiniest dust particles on your floors – something no other brand has been able to replicate. If you’ve been waiting for the right moment to upgrade your cleaning routine, now is the perfect time: Amazon has just dropped the price for the second time in a matter of days, bringing the Dyson V15

1500W Portable Power Station Is Cheaper Than on Black Friday, And You’ll Get a Free 200W Solar Panel Too

Amazon is kicking off Prime Day deals earlier this year, and the sale isn’t exclusive to Prime members: Perhaps one of the best deals of the moment is on the Jackery bundle which includes the portable power station and a 200W solar panel. Normally the power station alone is selling for $799, but here you’re getting the Jackery Explorer 1000 V2 and 200W solar panel combination for just $698. That’s a staggering 46% off the normal bundle price of $1,299, which is an all-time low for this setup.

Notorious Fungus Blamed for ‘Mummy’s Curse’ Is Now a Promising Cancer Treatment

In the 1920s, a number of workers on the excavation team that uncovered King Tutankhamun’s tomb met untimely deaths. Five decades later, 10 out of 12 scientists died after entering the tomb of the 15th-century Polish King Casimir IV. In both cases, researchers suggested that fungal spores could have played a role in the mysterious deaths, specifically identifying the fungus Aspergillus flavus within the Polish burial. A. flavus is now making a comeback, but not as a reawakened killer from ancie

This Ninja 6-in-1 XL Air Fryer Drops to a New Prime Day Low, and It’s Rated 4.7 out of 5

The Ninja DZ401 Foodi 6-in-1 XL air fryer is the highest-rated air fryer available for purchase on Amazon, with over 37,000 reviews and an impressive 4.7 out of 5 stars. If you need an XL air fryer that can actually do it all, this is the one to buy. Ninja has become the brand of choice when it comes to air fryers, and this inaugural (early) Prime Day discount is open to everyone, not only Prime members. The price of $179, down from the usual $230, is the best deal for 2025 and an opportunity t

This HP Laptop with Windows 11 and Office 365 Is Only $179, Lowest Price Ever for an HP Laptop

If you’re looking for a reliable computer without spending $1,000 or $2,000, HP is always a solid choice thanks to its wide range of dependable products. Right now, though, Amazon is offering a deal that’s hard to ignore: there’s an HP 14-inch laptop which is at an all-time low price, likely the lowest ever for an HP laptop of this kind. For just $179, a discount from the regular price of $230, you get a compact, lightweight laptop with Windows 11 Home preinstalled and one year of Microsoft 365

CEOs Are Quietly Telling Us the Truth: AI Is Replacing You

The fear is real. In meetings, Slack chats, and after-work drinks, one question is quietly eating away at millions of employees: Will AI take my job? In public, CEOs like to sound reassuring. They say generative AI will “enhance productivity” or “streamline operations.” But when you actually read what they’re telling their own employees, or what slips out in investor memos, the message is chilling: virtual workers are here, and they’re not just assistants. They’re replacements. Let’s take a cl

Topics: ai ceo company tech work

Trump Says “Very Wealthy People” Are Ready to Buy TikTok

Just weeks after extending the deadline for its sale for a third time, President Donald Trump announced Sunday that he has found a buyer for TikTok’s U.S. operations. The popular social media app has been under intense pressure due to a law passed in 2024 that requires its Chinese parent company, ByteDance, to sell the platform or face a nationwide ban. The legislation stems from bipartisan concern in Washington that the Chinese government could access the data of American users or use the app

Are These 20 Kitchen Tools Absolutely Worthless? These Pros Think So

Kitchen space is precious, especially if you're working with limited counters and packed cabinets. The last thing anyone needs is a drawer full of gimmicky gadgets that never get used. Whether it's a strawberry huller you forget about or a banana slicer that takes up more space than it's worth, single-use tools can quickly become clutter. Professional chefs know better than anyone which tools are truly essential and which are just hype. If you're aiming for a more efficient, minimalist kitchen,

Olivia Rodrigo at Glastonbury 2025: Livestream Her Headline Festival Set Free From Anywhere

Olivia Rodrigo makes her highly anticipated Glastonbury headline debut today, with the angsty pop star set to close out the festival's final day with a performance on the iconic Pyramid Stage. Below, we'll outline which live TV streaming service will be streaming Saturday's main headline show at Glastonbury, wherever you are in the world. We'll also explain how to use a VPN if you're outside of the UK. Known for blending raw emotion with punk energy, the Californian former Disney child star ha

Plantaform Smart Indoor Garden Review: Rewarding but Risky

It was about a week into my journey as a hydroponic lettuce farmer when I noticed my Mila air purifier, set to auto mode, was running at full blast. Its internal air quality sensor told me the air was dirty. Not sure if the sensor was overly sensitive, I swapped it out for the more powerful and far quieter IQ Air Atem X (9/10 WIRED Recommends) and set it on auto mode. Next time I went into my son’s room, the Atem was running at its highest speed. I checked the room’s IQAir Visual Pro Indoor Air