What Is Delegate In C

Tight coupling Once Upon a strange land in the south, there was a worker named Peter, who was very diligent and always obedient to his boss. But his boss was a miserly man who never trusted anyone and insisted on knowing Peter's work at all times to keep him from slacking off. But Peter did not want the boss to stay in his office and stare at him, so he made a promise to the boss: whenever I get a little progress in my work, I'll let you know in time. Peter uses the "type of reference" periodically (the original: "Typed Referenc ...").

I believe many people have been puzzled by C # delegates and events, especially in C # beginners, it will feel more difficult to learn this part, very likely to give up, and. 　　NET for delegates and events encapsulation is very good, generally not how to use custom delegates and events, so give up learning the technology has an excuse! There are a number of such articles on the web, most representative of Zhang Ziyang's C # delegates and events this article, the writing is very good, received a lot of readers praise, but I read the comments, or found some problems, because there are many readers are read over and over, each feeling is quite ...

. NET always supports optional parameters, but the C # language does not support that optional parameters are usually prohibited except for invoking a COM library. Now, with the support of C # 4 for optional parameters, we can see that optional parameters are being used more and more, not just in legacy code. 　　These applications include interoperability with dynamic languages, read-only data types, and many places in asp.net mvc. Obviously, COM is still the main option for optional parameters. For example, when you use the Office library, a function may have more than 20 ...

A, virtualization virtualization refers to the ability to simulate multiple virtual machines on the same physical machine. Each virtual machine has a separate processor, memory, hard disk, and network interface logically. The use of virtualization technology can improve the utilization of hardware resources, so that multiple applications can run on the same physical machine with each other isolated operating environment. There are also different levels of virtualization, such as virtualization at the hardware level and virtualization at the software level. Hardware virtualization refers to the simulation of hardware to obtain a similar to the real computer environment, you can run a complete operating system. In the hardware virtual ...

Real-time migration is the most important feature that Microsoft adds to Windows Server Hyper-V, which eliminates the need to move virtual machines (VMS) between Hyper-V hosts and, in the normal maintenance of Hyper-V hosts, You can also remove all of the VMS it hosts, and then move back when the maintenance is over, and don't worry about causing business disruption throughout the process. In addition, the use of real-time migration capabilities can also be better dynamic adjustment of host resource utilization, the busy Hyper-V host parts ...

Using a lambda expression will cause code duplication in the topic portion of the lambda expression. 1. var allemployees = new List<employee> () {2. New Employee {3. EmployeeId = 1, classification = 1, FirstName = "Skin", LastName = "Sen ...

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NoSQL Recent momentum is good, http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb is one of the Jiao jiao, oneself learn nosql when also reference a lot of information, The final decision to start from the MongoDB, the most important reason has two: 1 oneself is a simple amateur, all problems I think whether there is a simple way to solve, rather stop to think a lot of time, also do not want to use stupid method to do immediately, and Mong ...

Recently, Visual Studio 2013 builds on the progress of Visual Studio 2012 and subsequent Visual Studio updates, providing the development team with the solutions needed to accommodate this transformation and develop and deliver the next wave of Windows Platform Innovation (Windows 8.1) new applications, while supporting a wide range of devices and services on all Microsoft platforms. The equipment and service experience has undergone fundamental changes ...

Some tests are being done lately, with partial support for a smooth beta of the product. The following is the test of the Desktop. The first part: Windows programming UI design 1. Background introduction UI is the user interface (user-interface), is the interface between people and tools. In the process of human-machine interaction, it must be through the interface. This interface is actually reflected in every aspect of our lives, for example, when we drive the steering wheel and dashboard is this interface, watching TV when the remote control and the screen is this interface, the keyboard when using the computer ...