Explanation: Total number of unique elements are 3, i.e[1,2,3] and Therefore return 3 after assigning [1,2,3] in the beginning of the array. Explanation: Total number of unique elements are 4, i.e[1,2 ...

I have an AirTag on my keychain to keep track of my keys, but obviously an AirTag is too big and bulky to fit inside a wallet. That’s what the SwitchBot Wallet Finder is for. Disguised inside a thin, ...

Losing your phone can leave you in panic mode, especially when the battery dies. The good news is that both Apple and Android offer built-in tools that help you track a missing device even when it is ...

Over time, your Windows 11 PC can accumulate countless duplicate photos, documents, videos, and downloads. These unnecessary copies take up valuable storage space and make organizing files harder than ...

If you’ve installed the optional KB5067036 update on Windows 11 and now notice a duplicate Task Manager, you’re not alone. Multiple instances accumulate, consuming your RAM and CPU resources. Here, we ...

Abstract: In this paper, we develop an efficient algorithm for direction finding and polarization estimation using coprime electromagnetic vector sensor (EMVS) array. First of all, we represent the ...

Creating simple data classes in Java traditionally required substantial boilerplate code. Consider how we would represent Java’s mascots, Duke and Juggy: public class JavaMascot { private final String ...

OSTechNix (Open Source, Technology, Nix*) regularly publishes the latest news, how-to articles, tutorials and tips & tricks about free and opensource software and technology.

Copilot on Windows can now retrieve files from your PC’s hard drive. I've tested the AI-driven search feature and show you how to benefit. I've been testing PC and mobile software for more than 20 ...

Deep beneath Utah’s desert soil, an oil drill bored through the Earth at a blistering pace earlier this spring. Gnarly looking drill bits tore through granite at around 300 feet per hour. It was done ...