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Jax: Fast Combinations Calculation

news.ycombinator.com Unknown 2025-10-02 19:17:16

Combinadics A fast combinations calculation in jax. Idea of combinadic implementation is from https://jamesmccaffrey.wordpress.com/2022/06/28/generating-the-mth-lexicographical-element-of-a-combination-using-the-combinadic and some useful information can be found here: https://en.wikipedia.org/wiki/Combinatorial_number_system. Below I copied and aggregated some of the details. Introduction The following code demostrates the combinations calculation in numpy and via combinadics: # setup n =

Topics: c_1 combinadic combination dbinom element
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MagSafe Monday: This new MagSafe battery brings 20W wired and 7.5W wireless charging

9to5mac.com Bradley C 2025-10-02 23:00:00

MagSafe batteries are one of my favorite types of accessories because they let you keep your iPhone charged without needing to find a wall adapter (verbal meme: zombies, but it’s tech people looking for a wall plug) The new CP12 MagSafe Power Bank has a 10,000mAh battery, offers 20W wired charging, 7.5W MagSafe charging, and even includes a built in cable for when you want to charge a bit faster. It is not the slimmest battery, but it gives you plenty of flexibility for travel, commuting, or jus

Topics: battery cable charging cp12 magsafe
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Do you still need USB-C charging cables if this portable battery exists? I tested it to find out

zdnet.com Adrian Kingsley-Hughes 2025-10-04 07:00:32

Baseus EnerCore CR11 power bank ZDNET's key takeaways Baseus' EnerCore CR11 is a powerful 67W power bank that's about as compact as you can get for $63 on Amazon. Its built-in retractable cable means you don't have to worry about bringing cords along, and powerful enough to top up a laptop. It might be overkill if you're just charging your phone or a camera. $62.99 at Amazon Follow ZDNET: Add us as a preferred source on Google. I've noticed that when I'm in content creator mode and packing m

Topics: bank baseus cr11 enercore power
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Why I ditched my USB cables after switching to this Baseus power bank - and can't go back

zdnet.com Adrian Kingsley-Hughes 2025-10-05 19:50:00

Baseus EnerCore CR11 power bank ZDNET's key takeaways Baseus' EnerCore CR11 is a powerful 67W power bank that's about as compact as you can get for $63 on Amazon. Its built-in retractable cable means you don't have to worry about bringing cords along, and powerful enough to top up a laptop. It might be overkill if you're just charging your phone or a camera. $62.99 at Amazon Follow ZDNET: Add us as a preferred source on Google. I've noticed that when I'm in content creator mode and packing m

Topics: bank baseus cr11 enercore power
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A $159 Chromebook was my only computer for a week - how it changed my mind about cheap laptops

zdnet.com Kyle Kucharski 2025-11-16 08:51:00

Asus CX15 Chromebook ZDNET's key takeaways Asus' CX15 Chromebook is available now for $159. It's one of the most affordable 15-inch laptops released this year, with a handful of features that make it especially good for students. The modest hardware puts a limit on its performance. $159 at Walmart Follow ZDNET: Add us as a preferred source on Google. Asus' CX15 Chromebook is an affordable, durable laptop that handles the basics for $159. With a standard hardware loadout and solid 15-inch for

Topics: asus chromebook cx15 inch laptop
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I tried using a $159 Chromebook as my main laptop for a week - and it was oddly satisfying

zdnet.com Kyle Kucharski 2025-11-30 10:00:21

Asus CX15 Chromebook ZDNET's key takeaways Asus' CX15 Chromebook is available now for $159. It's one of the most affordable 15-inch laptops released this year, with a handful of features that make it especially good for students. The modest hardware puts a limit on its performance. $159 at Walmart Follow ZDNET: Add us as a preferred source on Google. Asus' CX15 Chromebook is an affordable, durable laptop that handles the basics for $159. With a standard hardware loadout and solid 15-inch for

Topics: asus chromebook cx15 inch laptop
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Why I recommend this $159 Chromebook to students on a budget (but it's just as good in the office)

zdnet.com Kyle Kucharski 2025-12-01 11:29:00

Asus CX15 Chromebook ZDNET's key takeaways Asus' CX15 Chromebook is available now for $159. It's one of the most affordable 15-inch laptops released this year, with a handful of features that make it especially good for students. The modest hardware puts a limit on its performance. $159 at Walmart Follow ZDNET: Add us as a preferred source on Google. Asus' CX15 Chromebook is an affordable, durable laptop that handles the basics for $159. With a standard hardware loadout and solid 15-inch for

Topics: asus chromebook cx15 inch laptop
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The Best Big Screen Chromebook Is on Sale Now

wired.com Brad Bourque 2025-12-05 22:55:03

Back to school is always a great time to pick up a deal on a new laptop for the upcoming semester, and the Asus CX15 Chromebook is available at Walmart for $159. It may not be the fanciest option, but it has a sizable screen and a full keyboard with a numpad, all for less than the cost of a new textbook. If you're just looking for a no-frills Chromebook for occasional web-based work and a slightly larger display, this is a great deal. When it comes to performance, the CX15 isn't terribly exciti

Topics: asus chromebook cx15 great isn
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The Best Big Screen Chromebook Is On Sale Now

wired.com Brad Bourque 2025-12-06 10:55:03

Back to school is always a great time to pick up a deal on a new laptop for the upcoming semester, and the Asus CX15 Chromebook is available at Walmart for $159. It may not be the fanciest option, but it has a sizable screen and a full keyboard with a numpad, all for less than the cost of a new textbook. If you're just looking for a no-frills Chromebook for occasional web-based work and a slightly larger display, this is a great deal. When it comes to performance, the CX15 isn't terribly exciti

Topics: asus chromebook cx15 great isn
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Asus Chromebook CX14 Review: What You Get for $429

wired.com Luke Larsen 2026-01-20 11:30:00

You could certainly make the argument that cheap Chromebooks keep the world running. That's at least true in schools. But for all their importance, not as many new affordable Chromebooks come out each year as you might think. Asus is changing that in 2025 with the Chromebook CX14, a surprisingly pleasant 14-inch laptop that costs just $429 in its higher-end configuration. As far as cheap Chromebooks go, this is among the best. Blending In Photograph: Luke Larsen The CX14 might not look like

Topics: 14 cheap chromebooks cx14 inch
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Google finds custom backdoor being installed on SonicWall network devices

arstechnica.com Unknown 2026-02-17 10:29:38

Researchers from the Google Threat Intelligence Group said that hackers are compromising SonicWall Secure Mobile Access (SMA) appliances, which sit at the edge of enterprise networks and manage and secure access by mobile devices. The targeted devices are end of life, meaning they no longer receive regular updates for stability and security. Despite the status, many organizations continue to rely on them. That has left them prime targets by UNC6148, the name Google has given to the unknown hack

Topics: appliances devices group organizations unc6148
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SonicWall SMA devices hacked with OVERSTEP rootkit tied to ransomware

bleepingcomputer.com Unknown 2026-02-18 10:33:15

A threat actor has been deploying a previously unseen malware called OVERSTEP that modifies the boot process of fully-patched but no longer supported SonicWall Secure Mobile Access appliances. The backdoor is a user-mode rootkit that allows hackers to hide malicious components, maintain persistent access on the device, and steal sensitive credentials. Researchers at Google Threat Intelligence Group (GTIG) observed the rootkit in attacks that may have relied on “an unknown, zero-day remote code

Topics: access hackers rootkit threat unc6148
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