String interpolation is a technique that enables you to insert expression values into literal strings. It is also known as variable substitution, variable interpolation, or variable expansion. It is a ...

A HashSet is an optimized collection of unordered, unique elements that provides fast lookups and high-performance set operations. The HashSet class was first introduced in .NET 3.5 and is part of the ...

Text has long been customizable in Xcode when creating software for Apple's platforms. Now, String catalogs make it even easier to localize your app to multiple languages. Ever since macOS shipped in ...