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Which King Mattress Size Rules Your Sleep Style? (2025)

wired.com Julia Forbes 2025-07-24 13:33:00

King-sized mattresses are the largest mattress size you can get, right? Surprise! It’s not just the standard king anymore. With king mattress size options these days, you’ve got territories, states, and split surfaces all involved. If you weren’t prepared for this pop quiz in mattress geography, worry not—I am. I’m a professional mattress tester of five years and, in this case, our expedition guide to walk you through it all. But if you need a full education in all things mattress, we have a gui

Topics: inches king mattress mattresses size

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Transition to using 16 KB page sizes for Android apps and games

news.ycombinator.com Unknown 2025-07-23 04:04:10

Get ready to upgrade your app's performance as Android embraces 16 KB memory page sizes Android’s transition to 16 KB Page size Posted by Mayank Jain – Product Manager and Jomo Fisher – Software Engineer Traditionally, Android has operated with the 4 KB memory page size. However many ARM CPUs (the most common processors for Android phones) support the larger 16 KB page size, offering improved performance gains. With Android 15, the Android operating system is page-size-agnostic, allowing devi

Topics: 16 android kb page size

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The smartphone-sized Boox Palma 2 is cheaper than ever for Prime Day

theverge.com Brandt Ranj 2025-07-30 01:00:00

The Boox Palma 2 looks like a smartphone, and it even runs Android 13. But it’s meant to be used primarily as a pocket-friendly e-reader with an ePaper screen, one that’s much easier to hold in one hand than a Kindle or Kobo. Some of us at The Verge have a Palma, and you can see what all the fuss is about, too, for an all-time low of $269.99 ($30 off) at Amazon and Boox during Prime Day. Be mindful that Prime Day ends today, so time is running out to grab this deal. Verge editor-at-large David

Topics: day kindle palma size time

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Sliding Window Technique Visualizer

news.ycombinator.com Unknown 2025-08-17 09:11:40

A fixed-size sliding window maintains a constant size as it moves through the data structure. This is useful for problems like finding the maximum sum of a subarray of size k, or calculating moving averages. Variable Size Window A variable-size sliding window can expand or contract based on certain conditions. This technique is often used when you need to find the optimal subarray that satisfies specific criteria. Common Applications:

Topics: size sliding subarray variable window

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Revisiting Knuth's “Premature Optimization” Paper

news.ycombinator.com Unknown 2025-08-16 07:17:12

The most famous quote from Knuth’s paper “Structured Programming with go to Statements” is this: There is no doubt that the grail of efficiency leads to abuse. Programmers waste enormous amounts of time thinking about, or worrying about, the speed of noncritical parts of their programs, and these attempts at efficiency actually have a strong negative impact when debugging and maintenance are considered. We should forget about small efficiencies, say about 97% of the time: premature optimization

Topics: actually compare counts loop size

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Revisiting Knuth's "Premature Optimization" Paper

news.ycombinator.com Unknown 2025-08-17 08:17:12

The most famous quote from Knuth’s paper “Structured Programming with go to Statements” is this: There is no doubt that the grail of efficiency leads to abuse. Programmers waste enormous amounts of time thinking about, or worrying about, the speed of noncritical parts of their programs, and these attempts at efficiency actually have a strong negative impact when debugging and maintenance are considered. We should forget about small efficiencies, say about 97% of the time: premature optimization

Topics: actually compare counts loop size

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In the microdrone arms race, China unveils a mosquito-sized UAV built for stealth

techspot.com Skye Jacobs 2025-08-26 17:22:00

In a nutshell: A new chapter in military robotics is unfolding in China, where researchers have unveiled a drone so small it can perch between two fingers. Developed by the National University of Defense Technology in Hunan province, this mosquito-sized unmanned aerial vehicle is built for covert reconnaissance missions. The microdrone was showcased on state broadcaster CCTV 7, where NUDT student Liang Hexiang demonstrated its capabilities by holding it up for the camera. Barely larger than an

Topics: drone microdrones sensors sized tiny

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11 Best Computer Monitors (2025): Budget, OLED, 4K

wired.com Luke Larsen 2025-08-27 01:30:00

Size is often the first and most important decision to make about your monitor. These are the most common sizes you'll come across, always measured diagonally across the screen. The following range from most common to least, and include different aspect ratios and resolutions that are often used at that size. 27-inch: This size has become the standard, offering enough screen size without overtaking your desk or stretching out the pixels too much at 1080p. If you're unsure of what to get, start

Topics: inch monitor monitors screen size

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Minimal Boolean Formulas (2011)

news.ycombinator.com Russ Cox 2025-08-26 05:53:25

Minimal Boolean Formulas Posted on Wednesday, May 18, 2011. 28. That's the minimum number of AND or OR operators you need in order to write any Boolean function of five variables. Alex Healy and I computed that in April 2010. Until then, I believe no one had ever known that little fact. This post describes how we computed it and how we almost got scooped by Knuth's Volume 4A which considers the problem for AND, OR, and XOR. A Naive Brute Force Approach Any Boolean function of two variables ca

Topics: fg function functions size visit

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Minimal Boolean Formulas

news.ycombinator.com Russ Cox 2025-08-27 21:53:25

Minimal Boolean Formulas Posted on Wednesday, May 18, 2011. 28. That's the minimum number of AND or OR operators you need in order to write any Boolean function of five variables. Alex Healy and I computed that in April 2010. Until then, I believe no one had ever known that little fact. This post describes how we computed it and how we almost got scooped by Knuth's Volume 4A which considers the problem for AND, OR, and XOR. A Naive Brute Force Approach Any Boolean function of two variables ca

Topics: fg function functions size visit

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I was surprised by how simple an allocator is

news.ycombinator.com Unknown 2025-08-28 11:20:41

Table of Contents Introduction Recently I was looking at an issue on mimalloc, a "state-of-the-art" memory allocator developed by Microsoft. The issue was quite simple, developers wanted a way to preallocate a piece of memory and use it as mimalloc's heap. Seeing that mimalloc does not offer this feature, I thought: "how hard can it be to write a memory allocator to manage a preallocated region?". The answer to this question is: "given enough time, even a monkey with a typewriter can write

Topics: allocator chunk memory requested size

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New body size database for marine animals is a “library of life”

arstechnica.com Unknown 2025-08-31 18:03:52

Legend has it that physicist Ernest Rutherford once dismissed all sciences other than physics as mere "stamp collecting." (Whether he actually said it is a matter of some debate.) But we now live in the information age, and scientists have found tremendous value in amassing giant databases of information for large-scale analysis, enabling them to explore different kinds of questions. The latest addition is the Marine Organizational Body Size (MOBS) database, an open-access resource that—as its

Topics: body life marine mobs size

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King-Size Bed Dimensions: Everything You Need to Know Before Buying a Larger Bed

cnet.com See Full Bio 2025-09-04 16:09:00

The more we start to understand about our sleep, the more we realize how vital it is to our physical and mental health. In some cases, it can even prematurely age our brains and shorten our lives. But getting a good night's sleep isn't easy if your bed isn't up to the job, and that's why choosing a big, comfy one is always a good idea. Don't just take our word for it, though. A recent CNET survey found that six in 10 US adults would consider investing money to get better sleep, with 46% leaning

Topics: bed inches king mattress size

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King-Size Bed Dimensions: How to Sleep Like a King in Your Own Bedroom

cnet.com See Full Bio 2025-09-09 17:00:03

It is no secret how valuable sleep is to our wellbeing. Not getting enough sleep can affect our mental health, prematurely age our brains and even affect how long we live. Part of getting the right amount of sleep is having the right mattress. Before you can buy your next bed, you need to know the right mattress size for your room. A king bed gives a ton of space for sleep and makes room for sleeping partners, but it also demands a lot of space in your bedroom. If you're thinking about buying

Topics: bed inches king mattress size

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Latest Tech News

Which King Mattress Size Rules Your Sleep Style? (2025)

Transition to using 16 KB page sizes for Android apps and games

The smartphone-sized Boox Palma 2 is cheaper than ever for Prime Day

Sliding Window Technique Visualizer

Revisiting Knuth's “Premature Optimization” Paper

Revisiting Knuth's "Premature Optimization" Paper

In the microdrone arms race, China unveils a mosquito-sized UAV built for stealth

11 Best Computer Monitors (2025): Budget, OLED, 4K

Minimal Boolean Formulas (2011)

Minimal Boolean Formulas

I was surprised by how simple an allocator is

New body size database for marine animals is a “library of life”

King-Size Bed Dimensions: Everything You Need to Know Before Buying a Larger Bed

King-Size Bed Dimensions: How to Sleep Like a King in Your Own Bedroom

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