C#

About C#socket communication, which is divided into synchronous and asynchronous communication, this paper briefly introduces the synchronous communication.The two ends of the communication are client and server, respectively:(1) Cient:1: Create a

DataTable removes repeated values from the column DataTable dtPCI = dtblSourceData. DefaultView. ToTable (true, new string [] {"Server Cell PCI "});   Create and return a new able Based on the rows in the existing DataView. Namespace:System.

Performance Comparison Between Restful and TCP call methods in WCF, wcfrestful 1. Lab backgroundFor the distributed access service provided by WCF, the two most common methods are Restful and Tcp.The results show that the Rest mode is the best

Thread data sorting and thread sorting If multiple threads are running simultaneously in the process where your code is located, these threads may run the code at the same time. If the result of each running is the same as that of a single thread,

Jiri gala C # Notes on upgrading from V4.0 to V4.2 on the quick development platform, Currently, the version I used is 4.0, which has not been updated in the last two years. I am so worried about upgrading it. I didn't expect it to be so difficult

C # manually read and write the app config source code, Public class ConfigOperator {public string strFileName; public string configName; public string configValue; public ConfigOperator () {// TODO: add the constructor logic //} public string

C # WebServices with weather forecasts, Background code: Protected void Page_Load (object sender, EventArgs e) { If (! IsPostBack) { WeatherWS ws = new WeatherWS (); IList provinceDataSource = new List (); DataSet proDs = ws.

C # Regular Expression verification, Public class VerifyUtil {// // judge that the input string contains only Chinese characters /// /// // public static bool IsChineseCh (string input) {return Regex. isMatch (input, @ "^ [\ u4e00-\ u9fa5] + $"

Linq lambda let, linqlambda1. Usage of linq let Var query = from x in db. Userslet theage = x. agelet sexstring = x. sex? "Male": "female" where theage> 30 & sexstring = "male"; select x;   Equivalent2. lambda let writing Var query = db. Users.

FastSocket learning notes ~ In addition, the composition of the client and the server, fastsocket learning notes More nonsense A long time ago, I wrote several articles about FastSocket, which basically belong to the method of use, but lack a

Xamarin Android, xamarinandroidPreface: It has been more than two years since I registered in the blog Park. It is almost three years. You have registered this account in the blog garden since you started learning this line. So far, I have not

Csharp: Download SVN source, csharpsvn Using System; using System. collections. generic; using System. componentModel; using System. data; using System. drawing; using System. text; using System. windows. forms; using System. net; using System. text.

C # consecutive conditions in if, C # Continuous Condition judgment in if 1. if (condition expression 1 & condition expression 2) When condition expression 1 is true 1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using

C # multi-management account test and judgment of the current system, Using (DirectoryEntry comp = new DirectoryEntry ("WinNT: //" + Environment. machineName + ", computer") {int AccountCount = 0; foreach (DirectoryEntry child in comp. children) {//

C # Generic,C # Generic 1. Define generic classes You can create a generic class by including the angle brackets syntax in the class definition: 1 class MyGenericClass 2 {3 // Add code 4} T can follow any character of the C # naming rule. T can

C # array intersection, difference set, and Union set, C # array intersection, difference set, and Union set At work, this knowledge is often used to check which fields are required and which are forbidden. 1 using System; 2 using

Conflicts between custom tools and built-in tool bar (ICommand) in arcengine and use of other tools. In your system, the zoom-in and zoom-out functions are directly rewritten. However, if you add a toolbar with the same function, there will be some

C # How do I feel when submitting a project, C # Feel during project submission The first time I submitted code to an Internet company yesterday, I encountered many problems, and most of them were code format problems. I would like to record fan's

Common Regular Expressions and usage, regular expression usage1. Verify the registration password strength at registration: Public object IsValidPasswordStrength (string id, string value) {bool success = true; string msg = string. empty; switch

Linq learning-Summary after the first reading, and summary after the first reading of linq   ASP. the fourth edition of NET advanced programming design was taken out and reviewed. The section 13th on the description of the linq technology is not bad.