C#

I have been using c # For A While (it was suddenly changed from java). As I am a newbie, I seem to have encountered many problems during the process, now let's think about some strange problems. Maybe we will make the same problem in the future. Now

Proxy mode: provides a proxy for other objects to control access to this object.   The Subject class defines the common interfaces of RealSubject and Proxy, so that Proxy can be used wherever RealSubject is used. RealSubject class, which

In Explorer, select the "details" view, and you can see many file attributes, the resolution of a piece, the artist of MP3, the bit rate, the resolution of a video file, and so on, sometimes it may be difficult to obtain in C #. Image is used to

Abstract Factory mode: provides an interface for creating a series of related or mutually dependent objects without specifying their specific classes. The biggest advantage of the abstract factory mode is that it is easy to switch the product series.

I believe that we often hear about processes and threads. Of course, this must be useful. What is a process? Books are processes. You will find that my computer runs multiple processes. For previous single-core computers (it can only execute

Singleton ensures that a class has only one instance and provides a global access point to it. Generally, we can make a global variable to make an object accessible, but it cannot prevent you from instantiating multiple objects. The best way is to

Double-click a txt file to open it in notepad, because the txt file is associated with the Notepad program. If you want to customize the file type, you can directly call your program and open it by double-clicking it? OK. First, we can find the

    The first thing to do is to build a development environment. Indows 8 not only supports traditional desktop applications, but also introduces a new Metro-style application designed specifically for touch. For Metro applications, it must

Based on the introduction in the previous two articles, I believe you will understand the practical value of MEF. We also discussed import and export in the previous article. for export and import, we will go deeper today. Well, it's just a little

SQLBulkCopy is used for transferring large volumes of data between databases. It is usually used to update data between new and old databases. Even if the table structure is completely different, you can smoothly export data through the

In the previous article, almost every example involves the search location of the extension class. We may also consider that since it is auto scaling, it will certainly have one or more people to search for. Otherwise, how does the MEF framework

(PS: Preface: Required After reading some comments, I felt that some people were very impetuous. Even if I didn't figure out the center I described in the article, I 'd like to give you some big hats, the impetuous heart is the secret of our

In the project, you must use various ORM types, such as NH, EF, and fluent Data. However, as I have been using ORM over the past few years, as the database structure becomes more complex and custom queries become more and more popular, a problem

I. Introduction In a software system, you sometimes need to create a complex object, which is composed of the molecular objects of each part through certain steps .. The following is an example of the builder mode.Ii. detailed introduction of the

The first C # program: Using System; // import the namespace class Test // class declaration {Static void Main () // method declaration { Int x = 12*30; // Statement 1 Console. WriteLine (x); // Statement 2} // method end }

When yao Bena is selected, the sound fails. The brilliant appearance of "we are together", just like her singing, the higher the song, the higher the song. File Processing, encryption and decryption, encryption and decompression, split and merge. In

In the first round. First, create a department class. Assume that there are only two fields: department ID and department name. ID { ; DeptName { ; The following shows the UML class diagram of the Department table. IDpartment interface,

I forgot such a simple question. Do you still remember? Str1 = len2 = leng = ++ The console execution result is For the length of a byte, one Chinese Character corresponds to two bytes.   Take a look at char nchar varchar nvarchar in SQL

1. Create a word template,Use MergeFeildBind dataString [] fieldNames = new String [] {"UserName", "Gender", "BirthDay", "Address "}; object [] fieldValues = new Object [] {"Zhang San", "male", "1988-09-02", "Xianyang, Shaanxi "};Create a template

C # The user seems to want C # to be compiled as a local machine code like C ++. If C # can be compiled as a machine code, it can do as follows: 1. Efficiency improvement can replace C ++. 2. decompilation. Of course, Microsoft is not allowed to do