C#

A few days ago, I saw an interview question about Joseph's ring. So I tried to do it first. I didn't use the sort list class of the. Net class library. I implemented a loop linked list structure and then simulated the game process to get the result.

Byte [] text = File. ReadAllBytes (this. openFileDialog1.FileName );SqlConnection con = new SqlConnection ("data source =.; initial catalog = demo; user id = sa; pwd = ");SqlCommand comm = new SqlCommand ("Insert Into c (s) Values (@ Image)", con

I checked many pieces of data on the Internet. All the big data files were read as a binary file, and I took a single character segment, which is 255216 for example. jpg. The Code is as follows: Code highlighting produced by Actipro

C # control and common design1. Form1. common attributes(1) Name attribute: used to obtain or set the Name of a form. In an application, the Name attribute can be used to reference a form.(2) WindowState attribute: used to obtain or set the window

Add comments to the Code: 01 using System; 02 using System.Collections.Generic; 03 using System.Linq; 04 using System.Text; 05 using System.Security.Principal; 06 using System.Runtime.InteropServices; 07 using System.IO;

. Net provides many multi-threaded programming tools, probably because there are too many tools, so there is always a headache to grasp. Here I will talk about some of my multi-threaded programming experience, I hope to help you. You do not need to

[DllImport ("user32.dll", EntryPoint = "FindWindow")]Public static extern int FindWindow (String lpClassName,String lpWindowName);[DllImport ("user32.dll", EntryPoint = "SendMessage")]Public static extern int SendMessage (Int hwnd,Int wMsg,IntPtr

The following code demonstrates how to use DataSet + dataAdapter to operate the background database and provides transaction processing.Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1 using

When you launch a function, if the function contains Form. Close () for the current Form, an error may be reported at Application. Run. For this reason, I found the problem during disassembly tracking. The original function is as follows:Code Code

XML is not used for a long time. Recently, in the Silverlight project, you need to access some C ++ Dll through Web Service.Use XML to pass data. Let's just review the XML operations.Meteorology Code highlighting produced by Actipro CodeHighlighter (

Using C # To operate windows accounts in the past few days is quite tangled. I have never done it before. google has read a lot of information and tried many methods to solve my problem. 1. Create a windows Account 01 /// 02 /// Create a

Usage, ImageRas _ Ras = new ImageRas (@ "D: empest. ras ");PictureBox1.Image = _ Ras. Image; _ Ras. SaveRas (@ "d: empOK. ras "); I only implemented the 24-bit color and 8-bit color structure, which is too simple. Only the file header and data area

Recently, wss has been used for oa. The headache is that wss has not modified its own password, added users, and so on. Therefore, it is easy to implement1. Account query;2. group query;3. Change the password (change the current logon password );4.

Sometimes we suddenly use some rare usage when writing a program. For example, we encountered such a problem during programming today. I have never encountered this problem before. I don't know how to solve it at the beginning. In the search process,

We are a Web application development programmer. I think you have a lot of access to JavaScript. In JavaScript, we often use a function that allows you to create an object anytime, anywhere, then you can customize the attributes you need for it, as

I. Introduction Terms: A Hash table is a data structure that is directly accessed based on the Key value. That is to say, It maps the key value to a location in the table to access records to speed up the search. This ing function is called a hash

1. Start with the "simplest" Singleton mode:  Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Public class Singleton { Private static Singleton instance = null; Private static readonly object

C # connect to the SQL Server codeUsing System. Data;Using System. Data. SqlClient;//...String strConnection = "user id = sa; password = ;";StrConnection = "initial catalog = Northwind; Server = YourSQLServer ;";StrConnection = "Connect Timeout = 30

In C #1. x, a value type variable cannot be assigned a null value. Otherwise, an exception occurs. In C #2.0, Microsoft provides the Nullable type, which allows you to define data types that contain null values (that is, null values, this is helpful

This section of the company has a project. The customer requires that the uploaded image be subject to a custom watermark. I used to discuss the problem of C # image watermark with my friends, but I have never actually tried it. So I took this