Ars Technica

[C#] Simple way to test if returned value is not NULL and then copy its value?

So I have a method:<BR><BR><pre class="ip-ubbcode-code-pre">int Foo()</pre><BR><BR>It either returns a value if successful or NULL if not. If I'm not mistaken, if I ...
dbta

Missing Information and the Relational Null

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 ...
InfoQ

Null-Restricted and Nullable Types for Java

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...
InfoWorld

Checking for Null or Empty or White Space Only String in Java

.NET Framework 4 introduces a new method on its String class called IsNullOrWhiteSpace that checks whether a provided String is null, empty, or consists only of “white space.” This handy method is in ...
TechRepublic

10 tricks for handling null values in Microsoft Access

This article is also available as a PDF download. Where errors are concerned, null values are an equal-opportunity menace. If an unhandled null value doesn’t generate a runtime error, it’ll show up in ...