C#

1. C # Run the exe code, while Debug does not run the if (! Debugger. isAttached) {Console. write ("Process is running" + "\ r \ n");} 2. In addition, pre-compiled commands: # region and # endregion: which are frequently used in C, this command

1. After the dll is referenced for installation, find the following dll in the installation directory: copy it to the project directory first, and reference it. 2. Configure the configuration file for connecting to the database. You can use program

The SerializableAttribute attribute is used to modify classes that can be serialized. If the class supports serialization, you can use this attribute to modify the class. Note that not all classes supporting serialization need to be modified by

Introduction: I have to go to the old Wang store to buy something because I have to go to the old Wang store to buy some flowers and candy. Here, the subject is defined as an interface, and the RealSubject is itself, and the Proxy is the Fire Cloud.

Time Limit: 1 second memory limit: 32 MB Special Judgment: No submitted: 396 solution: 109 question Description: HZ occasionally takes some professional questions to fool those non-computer professional students. Today, after the JOBDU test group

In the download of website attachments, we often do not directly expose the storage address of attachments, such: my successful copies when you click Download, the link is http: // 192.169.1.87/file/test.zip is not good enough. It's too

When the observer changes, all the observers are notified through the Notify interface. Avoid direct implementation and reduce coupling. [Csharp] abstract class Subject {private IList observers = new List (); // Add public void Attach (Observer

[Html]Thread operations mainly use the Thread class, which is defined under System. Threading. dll. This reference must be added for use. This class provides four overloaded Constructors (the following is derived from msdn ).Thread

  I have previously written an ftp-based file upload method. How can I not download an uploaded file? If only the upload is not downloaded, the upload is useless. So today I will learn how to use ftp to download files. Once you know how to upload

Minimize applications to pallets: when the "close" button on the main form of a Single-Host application, the application is not closed, but minimized to the system tray (that is, the bottom right corner of the screen ), click the application on the

Environment: array A and array B Int [] ArrayA = new [] {1, 2, 3, 4, 5, 6, 7, 8, 9 };Int [] ArrayB = new [] {9, 1, 4, 5, 2, 3, 6, 7, 8 };We need to compare the content of the Array instead of the object reference of the Array. Therefore, we cannot

Print? the grid view control enables multiple specified images to be displayed in the specified size. 1. layout file grid_view.xml The grid view control enables multiple specified images to be displayed in the specified size. 1. layout file grid_

Print? /// Generate a thumbnail/// /// source image path /// thumbnail path /// thumbnail width /// thumbnail height /// how to generate a thumbnail: HW specifies the High-width Scaling (may be deformed); W specifies the width, and H specifies

Hide blank columns: [Csharp]Maid = false; Maid = false;The width of the blank column cannot be changed: [Csharp]This. dgv. RowHeadersWidthSizeMode = System. Windows. Forms. Maid; This. dgv. RowHeadersWidthSizeMode = System. Windows. Forms. Maid; To

1. TCP/IP Protocol ApplicationUnderstanding the TCP/IP protocol: TCP is the control transmission protocol, mainly used to process data packets,IP is an Internet protocol, mainly responsible for data transmission paths.The connection model is as

C #: [Csharp]String name = "Chinese "; // Compile to url format Name = System. Web. HttpContext. Current. Server. UrlEncode (name ); String name = "Chinese "; // Compile to url format Name = System. Web. HttpContext. Current. Server. UrlEncode (name

AForge. NET is designed for developers and researchers based on the C # framework. This framework provides different class libraries and resources for class libraries. There are also many application examples, including computer vision and

  To sum up one sentence: the covariant allows a coarse-grained interface (or delegate) to receive a more specific interface (or delegate) as a parameter (or return value); the inverter allows an interface (or delegate) the parameter type (or return

1. GC is prohibited in principle. the Collect method explicitly executes GC. collect () may increase the burden on memory recycling, and may not really recycle the memory. The garbage collection cycle is uncertain, and the garbage collection engine

I. Definition Policy patterns define a series of algorithms, encapsulate each algorithm, and make them replaceable. The rule mode allows algorithms to change independently of customers who use it. -Abstract policy role: a policy class, usually