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 ...

Lockdown Mode is an optional security feature designed by Apple to provide maximum protection against highly sophisticated digital threats. When enabled on your Apple device, it greatly reduces ...

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 ...

Learn how to quickly find duplicates in Excel, whether you’re comparing one list or two. This tutorial shows step-by-step methods for highlighting duplicate values, using formulas, and speeding up ...

Most people use dating apps to find love. Tiffany Chau used one to hunt for a summer internship. This fall, the 20-year-old junior at California College of the Arts tailored her Hinge profile to ...

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 ...

Before you swipe left or swipe right, a high-tech wingman could be affecting your search for love. A growing portion of the dating pool is using AI to beef up their bios and profile pics and even ...

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 ...

Losing your iPhone or another Apple device can be a frustrating and stressful experience. Fortunately, Apple’s “Find My iPhone” feature provides a reliable way to locate, secure, or recover your ...