Simplest way to check is a certain Type is Nullable (including string)
29684
How to check if an object is nullable?
124471
Comparing nullable column values using "IS NULL" versus "= NULL"
140738
Does setting Java objects to null do anything anymore?
73423
What is the best (idiomatic) way to check the type of a Python variable?
63521
How to pass a nullable type to a P/invoked function
133857
Comparing nullable DateTime?
13109
Null or default comparison of generic argument in C#
90161
What does [param: NotNull] mean in C#?
8992
In C# why can't a conditional operator implicitly cast to a nullable type
109876
In the msdn guidance on Equals override, why the cast to object in the null check?
27219
Is there any difference between type? and Nullable?
31537
Checking for null before event dispatching... thread safe?
131726
How to make primitive type properties Optional?
641
Which overload will get selected for null in Java?
38780
Checking for null before ToString()
120566
Compare two objects in Java with possible null values
124080
How does the assignment of the null literal to a System.Nullable type get handled by .Net (C#)?