C#

MD5 is short for Message Digest Algorithm 5 (information Digest Algorithm). MD5 is a Hash technology that is widely used in encryption, decryption, Data signature, and data integrity verification. Any file, whether it is an executable program, image

Base24 encoding is generally used to generate serial numbers. Base64 encoding removes special and confusing characters, such as 1 and l, 0, and O, the serial numbers of Winxp and Office are based on this encoding (expressed as 114 bits with 25 base 2

Quick sorting: An Improvement on Bubble sorting based on the grouping policy. For a sequence to be sorted, sort the selected value and place it to the correct position. Then, the position field is used to sort the Left and Right Parts. Until the

/// /// File category/// Public void bind (){// Obtain the datasetDataSet ds = new DataSet ();Ds = ec. ExecuteSelectCmmond ("select * from t_Column where U_UserID =" + HttpContext. Current. Request. Cookies ["NameID"]. Value + "", ds

Summary In client programs and server components (including windows Services), timer (timer) usually plays an important role. Writing efficient managed code driven by timer requires a clear understanding of program processes and. net thread models ..

 Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->namespace First{ public partial class Form1 : Form { public Form1() { InitializeComponent(); }

Enum is an enumeration type. It is the same as struct, int, single, and double. It belongs to the value type and is stored in the stack. It does not need to allocate internal space when it is created, so it is good for program performance. Why

Although MS provides us with a variety. net framework library, our program C # development brings great convenience, but sometimes, some control libraries with specific functions still need to be provided by a third party or written by themselves.

1. Mutex class MSDN simple description: When two or more threads need to access a shared resource at the same time, the system needs to use a synchronous mechanism to ensure that only one thread uses the resource at a time.MutexIs a synchronization

Import the dll that contains the Domino namespace: Interop. Domino. dll.  Install the notes client.    Accessing domino starts with creating a NotesSession object. So the first problem is the initialization of the NotesSession object. The Initialize

Today we will introduce the traversal sorting method in C #. Today we will introduce the bubble method, direct Insertion Method and selection sorting method. 1. Bubble Method Question: Use the Bubble Method to sort elements in the array from small

How to Use the C # event to monitor variable changes? This is a very common problem. In addition, if events can be used to solve the problem, it will bring great convenience to programming while maintaining excellent performance. The complete code

1. Scenario: The computer is connected to Progin SBT-268 GPS receiving instrument through Bluetooth, the client program can read the information received by the instrument. 2. Implementation function: the program can connect to the corresponding

Using System. Diagnostics; Using System. IO;   Private void btnRun_Click (object sender, EventArgs e){TxtResult. Text = "";ProcessCommand ("Ping.exe", this.txt Address. Text );ProcessCommand ("Ping.exe", this.txt Address. Text );}   Public void

Serialization: the process of converting the object state to a format that can be maintained or transmitted for two reasons. The first is to permanently Save the data so that it can be rebuilt in the future. The second is to send data from one

Enumeration type (also called enumeration) is a very interesting value type. It not only improves the readability of the program, but also reduces program changes caused by business changes. In addition, the enumeration type is strongly typed. The

The System. Collections. ArrayList class is a special array. By adding and deleting elements, You can dynamically change the length of the array. I. Advantages 1. Supports automatic resizing. 2. Flexible element insertion 3. Flexible deletion of

1: Create an installation and deployment projectOpen VS, click "Create Project", select "other project type"> "installation and deployment"> "Installation Wizard" (the same is true for the installation project), and click "OK" (for details, see)The

Application of Attribute in Interception Mechanism From this section, we will discuss the advanced application of Attribute. For this reason, I have prepared a practical example: we have an order processing system. When an order is submitted, the

1. Use Pascal rules to name methods and types. Pascal case indicates the first letter of a word in the name in uppercase.Public class DataGrid{Public void DataBind (){ }} 2. Parameters for naming local variables and methods using Camel rules. camel