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 ...

Duplicate entries can throw off your calculations and make your lists unreliable. Use Excel’s built-in tools to find duplicates: Go to the Home tab Click Conditional Formatting > Highlight Cells Rules ...

If you notice that Windows search does not return any PDFs as hits, even though you are sure that your search term appears in such a file, check the search settings. To do this, open the Start menu, ...

Players must finish the Goblin King quests to enter the Goblin Cave and reach the hidden waterfall room. Tomo's Cat waits inside a secret cave that opens once players grab the Goblin King's throne key ...

As is the case for many young Americans, Ashley Terrell says her parents always had the expectation that she'd go to college and land a job in her chosen profession. More than a year after graduating, ...

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 ...

Get started with Java streams, including how to create streams from Java collections, the mechanics of a stream pipeline, examples of functional programming with Java streams, and more. You can think ...

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 ...