You've heard of variables in PowerShell, right? How about reference variables? Maybe not. The reason is because a scripter can generally get by without them, but they do still have a purpose.

In this example, Employee is a self-referential class because its next field has type Employee. This field is an example of a link field because it can store a reference to another object of its class ...

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want. Copying objects ...