Null logic

Ok, Microsoft, what the fuck is that?

If your code compares two NULL values or a NULL value with any other value, your code will return an unknown result.

No, it's not "unknown", it is pretty much very well known and depends on ANSI_NULLS setting. Both cases above return false if ANSI_NULLS is on.

Genetically Modified Mice Sniff Out Landmines

via nextbigfuture