?? "Null coalescing" operator
Is a new operator provided by c #. The function provided by this operator is to determine whether the left-side operand is null. If yes, the return result is the right-side operand, and if not null, the left-side
(1), C # syntax of a question mark (?) operator refers to a nullable type. The explanation above MSDN: null to numeric and Boolean types was especially useful when you were dealing with databases an d Other data types, that contain elements, is not
The preview version of VS2015 was released on November 12, so let's look at what new features are available in C #.String Add-interpolationWhen formatting a string, string. Format is often used, it is really handy, but it is not convenient to use
Ref: http://csharpindepth.com/Articles/General/BluffersGuide2.aspx
Obviusly C # In depth teaches the new features of C #2In depth. However, if you want to bluff it for the moment (just until your copy of the book arrives, of course)-welcome to the
Source:https://github.com/dotnet/roslyn/wiki/new-language-features-in-c%23-6This document describes the new language features in C # 6, the next version of C #. All of these is implemented and available in VS 2015.Auto-property
1) async/awaitUsing the async/await mode, you can not block the UI or the current thread while executing a code block operation. Even if the operation is delayed by certain execution actions (such as a Web request), the async/await pattern will
Microsoft introduced the concept of nullable value types (nullable value type) in the CLR.The system.nullable classes defined in the FCL are as follows:[Serializable,structlayout (LayoutKind.Sequential)]public struct nullable where t:struct {Private
(1), C # each question mark (?) in the syntax (?) Operator refers:It can be a null type.
The above description on msdn:
null to numeric and Boolean types is especially useful when you are dealing with databases and other data types that contain
1) async/awaitUsing the async/await mode, you can not block the UI or the current thread while executing a code block operation. Even if the operation is delayed by certain execution actions (such as a Web request), the async/await pattern will
From:http://www.cnblogs.com/zfanlong1314/archive/2012/02/26/2390456.html(1), C # syntax of a question mark (?) Operator refers to a nullable type. The explanation above MSDN: null to numeric and Boolean types was especially useful when you were
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