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 ...

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 ...

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 ...

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 ...

Maintaining data accuracy and efficiency in Excel is crucial for effective data management. One of the most common challenges faced by Excel users is the presence of duplicates, which can lead to ...

Running out of mobile phone space is an inconvenience that a lot of people experience regularly. Unless you have a device that's equipped with a generous storage capacity or are paying extra for cloud ...

Q. What is the best way to identify duplicate transactions that could have been entered into my Excel spreadsheet? A. Duplicates in spreadsheets can compromise data integrity, making it difficult to ...