Questions tagged [nullable]

22

votes

2

answers

Convert decimal? to double?

c# nullable

asked 2013-05-02T21:06:18.383

184

votes

11

answers

How to use @Nullable and @Nonnull annotations more effectively?

java annotations nullpointerexception nullable code-standards

asked 2012-11-20T23:48:03.413

8

votes

0

answers

Why does ((int?) 1).GetType() return typeof(int)?

c# .net .net-4.0 nullable

asked 2012-09-10T12:01:54.193

105

votes

4

answers

Nullable property to entity field, Entity Framework through Code First

entity-framework asp.net-mvc-3 code-first nullable

asked 2012-05-22T21:23:38.483

188

votes

5

answers

The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type or method 'System.Nullable<T>'

c# nullable

asked 2012-02-10T23:51:46.383

36

votes

3

answers

Which is better? cast nullable type or retrieve the value with Value property?

c# .net nullable

asked 2011-08-19T02:30:43.180

20

votes

6

answers

Why can the as operator be used with Nullable<T>?

c# nullable autoboxing

asked 2011-08-18T15:12:24.543

37

votes

1

answers

How to check if a generic type parameter is nullable?

c# .net generics nullable

asked 2011-06-21T16:30:34.160

91

votes

8

answers

Why can't I check if a 'DateTime' is 'Nothing'?

vb.net datetime null nullable

asked 2011-05-03T12:48:00.407

9

votes

1

answers

Generic type parameter and Nullable method overload

c# .net generics types nullable

asked 2011-04-28T06:59:12.337

44

votes

3

answers

Is there any difference between myNullableLong.HasValue and myNullableLong != null?

c# nullable

asked 2011-03-08T14:34:33.433

93

votes

3

answers

Query to check whether a column is nullable

sql-server sql-server-2008 nullable

asked 2011-03-05T15:21:49.920

15

votes

5

answers

How to change what default(T) returns in C#?

c# linq default nullable

asked 2011-02-23T08:48:08.520

243

votes

9

answers

How to set enum to null

c# enums null nullable

asked 2010-12-02T16:20:34.800

41

votes

4

answers

C# struct, how to assign a null value?

c# struct nullable

asked 2010-11-10T20:36:18.987

43

votes

3

answers

How is the boxing/unboxing behavior of Nullable<T> possible?

c# .net vb.net nullable boxing

asked 2010-09-23T05:12:13.260

11

votes

5

answers

Type result with conditional operator in C#

c# type-conversion nullable ternary-operator conditional-operator

asked 2010-05-11T23:01:43.683

16

votes

7

answers

C# - Basic question: What is '?'?

c# .net nullable

asked 2010-04-23T14:34:16.433

17

votes

3

answers

Why is django admin not accepting Nullable foreign keys?

django-admin foreign-keys nullable

asked 2010-03-22T15:14:20.890

14

votes

2

answers

How do you add a NOT NULL FOREIGN KEY column to an existing (populated) table in MS SQL?

sql-server sql-server-2005 foreign-keys constraints nullable

asked 2010-03-11T06:51:58.060

27

votes

6

answers

Why is there a questionmark on the private variable definition?

c# nullable

asked 2010-02-24T13:08:55.853

10

votes

3

answers

What does the ? mean after a type?

c# syntax types nullable

asked 2010-01-16T23:22:15.503

44

votes

6

answers

Serializing a Nullable<DateTime> in to XML

c# xml-serialization nullable

asked 2010-01-15T19:32:48.670

24

votes

7

answers

why is null not equal to null false

sql database null nullable

asked 2009-12-02T16:12:08.987

34

votes

5

answers

Is it possible to use operator ?? and throw new Exception()?

c# .net nullable null-coalescing-operator

asked 2009-11-19T11:50:36.993

43

votes

4

answers

Can I make an embedded Hibernate entity non-nullable?

hibernate nullable embeddable

asked 2009-08-24T19:32:10.587

90

votes

2

answers

C# code won't compile. No implicit conversion between null and int

c# string null nullable

asked 2009-08-14T17:16:52.350

16

votes

3

answers

SQL Server ALTER field NOT NULL takes forever

sql sql-server nullable blocking ddl

asked 2009-07-20T13:42:36.580

43

votes

7

answers

Why shouldn't I always use nullable types in C#

c# null c#-2.0 nullable

asked 2009-05-06T16:50:47.427

52

votes

4

answers

Nullable type is not a nullable type?

c# .net nullable gettype

asked 2009-04-24T10:44:03.370

75

votes

14

answers

Linq query with nullable sum

c# linq linq-to-sql sum nullable

asked 2009-03-30T08:40:31.393

44

votes

7

answers

Compare nullable types in Linq to Sql

c# linq-to-sql nullable

asked 2009-02-25T14:05:05.133

36

votes

6

answers

Why do nullable bools not allow if(nullable) but do allow if(nullable == true)?

c# .net nullable

asked 2009-01-15T16:17:33.653

24

votes

5

answers

Best way to databind a Winforms control to a nullable type?

.net winforms data-binding nullable

asked 2008-12-17T22:55:54.933

144

votes

4

answers

c# why can't a nullable int be assigned null as a value

c# nullable

asked 2008-12-01T10:36:30.923

160

votes

5

answers

Nullable type issue with ?: Conditional Operator

c# generics nullable conditional-operator

asked 2008-11-17T15:18:35.740

32

votes

6

answers

In C# why can't a conditional operator implicitly cast to a nullable type

c# conditional-operator nullable

asked 2008-10-20T23:04:11.337

52

votes

11

answers

Determine Oracle null == null

sql oracle-database null nullable

asked 2008-10-10T14:37:54.843

98

votes

7

answers

What's the difference between 'int?' and 'int' in C#?

c# syntax types nullable

asked 2008-09-23T15:21:09.647

Questions tagged nullable