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 ...

Your Mac didn’t mean to become a photo hoarder. But here we are. Ten screenshots of the same receipt, five identical sunsets, and a burst of 37 nearly identical selfies are quietly eating up your ...

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 ...

You can stay organized in Gmail with more tools than just email management, such as the tasks list and a versatile contact manager. Over time, especially if you've ever imported contacts, you may find ...

Are you running low on space on your Linux machine, but have no clue what keeps eating away at your precious storage? Duplicate files could be a major reason why you are facing low storage issues.

Snapchat remains one of the most widely used social media apps, known for its fun filters, disappearing snaps, and instant photo-sharing features. However, many Android users face a common frustration ...

You could have dozens of copies of the same images in your Photos library, taking up space on your phone and in your iCloud account. Luckily, Apple offers an easy-to-use little tool that lets you find ...

Whether it's a photo of your kids playing or just a quick selfie you took with an old friend, taking pictures on our phones is something most of us do. We often snap several shots to get the perfect ...

If your photo library feels out of control after the holidays, you’re not alone. Between taking multiple shots to get the perfect one and sharing images with friends and family, duplicate photos pile ...