I am checking two conditions which is following in C#: if (result.Data.Count > 0) { if(result.Data[0].AdditionalData != null) { // To Do } } My confusion is there is any better way to check these in a single if condition?…
I just can't can find an answer for my question. If there is on stack overflow, just post it and I will delete my post. My problem: I want to accept null values in a mysql column, but not by…
This Symfony form question has been asked 100 times (and I've read ALL of the responses), but none are working for me. I have a class (Employer), a form (Preview.html.twig), and a controller (DefaultController.php). No matter what I try, I…
Null is not an empty string! select count(*) from table where xyz is null is not the same as select count(*) from table where xyz == ''! If I have a unique constraint on a column, multiple NULL values can…