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 ...

Sareena was a senior editor for CNET covering the mobile beat, including device reviews. She is a seasoned multimedia journalist with more than a decade's worth of experience producing stories for ...

A topic near and dear to my heart and home, getting stains out of our carpets has been an almost everyday occurrence as we work to potty train our new puppy. Considering there are so many different ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Caroline Mullen Caroline Mullen is a writer focused on cleaning and organizing ...

Microplastics have been found to be highly pervasive in the environment, driving concerns for health, environment, and ecology. Analytical methods that can accurately identify microplastics are ...

For fixing Windows errors, we recommend Fortect: Fortect will identify and deploy the correct fix for your Windows errors. Follow the 3 easy steps to get rid of Windows errors: Dealing with watermarks ...

Say you've captured a stunning sunset at the beach, but there's a trash can ruining the foreground. Or maybe you've taken the perfect family portrait, only to later realize there's a stranger in the ...