non-nullable

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Non-nullable reference types (yet again)

There have been many questions around support for non-nullable reference types in .NET. The great hope was code contracts, but it is limited to runtime checking for those who have limited budget.[详细]

2023-04-11 18:53 分类：问答
Automatic conversion of wrapper in C#

I\'ve build wrapper-class intended to prevent reference types of being null, as a pre-condition code contra开发者_开发知识库ct.[详细]

2023-04-11 14:54 分类：问答
Type Inference failed in a call to 'join' on nullable and non-nullable int

开发者_JAVA技巧In my Linq, I am trying to make an inner join to a nullable field. Employee and Department have a relation, Department may have an EmployeeID or may have a null. So what would be my joi[详细]

2023-04-03 16:43 分类：问答
Can I force an expression to be used with a non-nullable parameter?

I\'m not sure how to explain this, so I\'m gonna show you some code first and explain what it does. Extension Filter: receives a parameter expression and a special type of filter I\'ve built for my a[详细]

2023-03-28 19:59 分类：问答
Make a column nullable in DB2 when Data Capture is enabled

I\'m usi开发者_如何转开发ng db2 version 9.7* and it seems impossible to make a NOT NULL column nullable in any straightforward way.[详细]

2023-03-24 21:19 分类：问答
EF4 mapping nullable decimal column to non-nullable value property

I am using POCOs (no proxies) with EF4. In the database, I have this nullable decimal column: <Property Name=\"AMOUNT\" Type=\"decimal\" Precision=\"12\" Scale=\"2\" />开发者_如何学编程;[详细]

2023-03-21 08:36 分类：问答
Representing search failure with a non-nullable type

I have a method that searches a list of objects based on some of the fields of the object. If a matching object is found, I return it, but I want to be able to represent a no-m开发者_如何学Pythonatch[详细]

2023-03-12 02:04 分类：问答
Remove default value for non nullable properties when using EditFor [asp.net mvc 3]

How can I remove the default value that is added by default to the textboxes of non nullable properties when开发者_如何学C using the EditFor helper? I don\'t want that behavior[详细]

2023-02-14 05:50 分类：问答
When does using C# structs (value types) sacrifice performance?

I have been playing with structs as a mechanism to implicitly validate complex value objects, as well as generic structs around more complex classes to ensure valid values.I am a little ignorant as to[详细]

2023-01-29 12:06 分类：问答
Best explanation for languages without null

Every so often when programmers are complaining about null errors/exceptions someone asks what we do without null.[详细]

2023-01-21 00:14 分类：问答