If were actually returning a null reference you could use the ?? operator, but as PeterB has pointed out is it isn't. It's returning a handle which you want to test the value of against NULL ...

The null hypothesis offers a unique approach to identifying weaknesses in business models, fostering innovation.

Answer: The null hypothesis is a statistical test, and might be a reasonable approach if we were looking only for statistical correlation between increasing CO2 and increasing temperature. But we ...

This is a preview. Log in through your library . Abstract We find the percentage points of the likelihood ratio test of the null hypothesis that a sample of n observations is from a normal ...

Community-wide character displacement, a general tendency for sympatric species to be unusually distinct morphologically, has been inferred by several authors in the recent ecological literature. We ...

Where the Null Monster Lurks Cleverly, the DBMS is interpreting the null Test_Code as “unknown” and that value might be “X” if the “unknown” should later become known. Therefore, the null Test_Code ...