string NotChanged; NotChanged = "Fred"; MyOrdinaryMethod(NotChanged); if (NotChanged == "Fred") ... That is, unless the parameters to the method are marked with the ...

You might often want to validate parameters in your methods to ensure they have valid data. Most importantly, you might often want to protect your publicly exposed API methods by ensuring that the ...

Sometimes using ValidateSet isn't enough -- for instance, when you have multiple functions with the same parameter that you need to perform a task on. PowerShell has a data type called an enum, which ...

You might know that Java passes by value, but it helps to understand why. Here's what happens when you pass mutable and immutable object references in Java. Many programming languages allow passing ...

The PARMS statement specifies initial values for the covariance parameters, or it requests a grid search over several values of these parameters. You must specify the values in the order in which they ...