Last week, we had a heated argument about handling nulls in our application's service layer. The question is in the .NET context, but it will be the same in Java and many other technologies. The ...
Working on a problem that uses the percent change formula: percent change = 100 * [(new value - old value) / old value] How would I explain the difference if new value or old value = NULL, rather ...
I have been learning C++ and I am having a hard time understanding null. In particular, the tutorials I have read mention doing a "null check", but I am not sure what that means or why it's necessary. ...
I don't quite understand the consistent bashing of null references by some programming language folks. What's so bad about them? If I request read access to a file that doesn't exist then I'm ...