Best way to check if a character array is empty?
Which is the most reliable way to check if a character array is empty? char text[50]; if(strlen(text) == 0) {} o...
Swift - Take Nil as Argument in Generic Function with Optional Argument?
I am trying to create a generic function that can take an optional argument. Here's what I have so far: func someth...
Why `null >= 0 && null <= 0` but not `null == 0`??
I had to write a routine that increments the value of a variable by 1 if its type is number and assigns 0 to the var...
Can a DateTime be null? [duplicate]?
This quest...
Setting rank to NULL using RANK() OVER in SQL?
In a SQL Server DB, I have a table of values that I am interested in ranking. When I perform a RANK() OVER (ORDER ...
NULL value in multi-column primary key?
I've got a table with several columns making up the primary key. The nature of the data stored allows some of these ...
Restricting a generic to things that can be null?
I'd like to restrict a generic I'm coding to anything that can be null. That's basically any class + System.Nullable...
Null generic type c#?
public class Node<E> : IPosition<E> { private E element; public Node<E> PrevNode { get; se...
Why can't I cast generic-type with null? [duplicate]?
This quest...
