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 ...

Maintaining pristine white garments without stains can prove challenging, with items inevitably losing their brightness over time. For those battling with "dingy whites", one cleaning enthusiast has ...

You can remove watermarks from videos using AI tools like Vmake. Upload your video, let the Smart Remover auto-detect the watermark, preview the result, and download ...

Irene Okpanachi is a Features writer, covering mobile and PC guides that help you understand your devices. She has five years' experience in the Tech, E-commerce, and Food niches. Particularly, the ...

Mojang Studios announced Tuesday it will eliminate code obfuscation in Minecraft: Java Edition, marking a significant shift in how the company distributes the game to its modding community. The change ...

All the world’s discarded phones, bricked laptops, and other trashed electronics are collectively a treasure trove of rare earth elements (REEs). But separating out and recovering these increasingly ...

Even though they bear little responsibility for the current state of the world's environment, young people have been taking the initiative in tackling problems from rising global temperatures to ...

David Chem, chemical engineering graduate student, holds on the right a vial of water with methyl orange dye. On the left, the water is clear after modified lignin bonds with the dye and falls to the ...

To satisfy the seafood needs of billions of people, offering them access to a more biodiverse array of fish creates opportunities to mix-and-match species to obtain better nutrition from smaller ...