Top "Nullable" questions

The nullable tag is for issues relating to nullable members or types.

Is there any difference between type? and Nullable<type>?

In C# are the nullable primitive types (i.e. bool?) just aliases for their corresponding Nullable<T> type …

c# .net nullable
How to write nullable int in java?

I want to convert a web form to a model in Java. In C# I can write this: <input …

c# java nullable
DataSet does not support System.Nullable<> in Export

I was trying to generate a Report using Export to Excell, PDF, TextFile. Well I am doing this in MVC. …

c# asp.net-mvc-4 dataset export-to-excel nullable
Difference between nullable, __nullable and _Nullable in Objective-C

With Xcode 6.3 there were new annotations introduced for better expressing the intention of API's in Objective-C (and to ensure better …

objective-c nullable objective-c-nullability
Get short date for System Nullable datetime (datetime ?) in C#

How to get short date for Get short date for System Nullable datetime (datetime ?) for ed 12/31/2013 12:00:00 --> only should …

c# .net string datetime nullable
What's the difference between "bool" and "bool?"?

I use the "bool" type for variables as I was used to in C++, and I try to put the …

c# boolean nullable
Optional return in C#.Net

Java 1.8 is receiving the Optional<T> class, that allows us to explicitly say when a method may return …

c# .net nullable optional
How to check multiple objects for nullity?

Often, I can see a code constructs like following: if(a == null || b == null || c == null){ //... } I wonder if there …

java null nullable
How to exclude null properties when using XmlSerializer

I'm serializing a class like this public MyClass { public int? a { get; set; } public int? b { get; set; } public int? …

c# xml-serialization nullable
C# ADO.NET: nulls and DbNull -- is there more efficient syntax?

I've got a DateTime? that I'm trying to insert into a field using a DbParameter. I'm creating the parameter like …

c# ado.net null nullable dbnull