It's time to meet the Guideline Support Library, a small helper library that provides some missing functionality. I'll show you how to ensure a pointer is never null, which will make your applications ...

If you try to do an experiment or a calculation and it doesn’t work out, should you tell other researchers about it? Or just move on to something more promising as quickly as you can? Philip Ball ...

If you are using a space in your formula or an incorrect operator, for example, =SUM(A2 A3), Excel will return the #NULL error. To fix this issue, you should use the ...

I've had this Null problem when a Java program has crashed...I assumed it was a dump file for the crashed program since that is the only time it appears.