Take advantage of the null object pattern in .NET to eliminate the need for null checks and avoid runtime errors in your applications. You might often encounter null reference exceptions in your ...

A null object is one that doesn’t have any referenced value. The null object pattern is a behavioral design pattern that is used to provide a consistent return object in lieu of null.

1.What is a potential pitfall with using typeof bar === "object" to determine if bar is an object? How can this pitfall be avoided? ----> typeof bar === "object" is a used to check if bar is an object ...

A variable in JavaScript can contain any data. Programming languages that allow such things are called “dynamically typed”, meaning that there are data types, but variables are not bound to any of ...