Every medical researcher dreams of doing studies or conducting clinical trials that generate results so compelling they change how diseases are treated or health policy is written. In reality, we are ...

One of the trickiest aspects of relational database management can be dealing with missing information. The standard method of representing missing information is to set the “value” to null. A null ...

Learn the differences between Is Null and IsNull() in Access Your email has been sent How many null values exist? What is the difference between a null value and a blank entry? This article answers ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Null or nonexistent data gets complicated when the application expects a data value and gets nothing or unexpected values; that's when you must perform coding that properly handles these situations to ...

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 ...