C#

private static string Tottt (string s) { byte[] Source = Md5.computehash (Encoding.UTF8.GetBytes (s)); StringBuilder Sbuilder = new StringBuilder (); for (int i = 0; i Test the results of three methods are consistent when

C # differences between delegate and event, The following describes the events. 1. Define event and event compilation principles First, define the delegate corresponding to the event: 1 public delegate void ThreeClickEventDel();   Then it

C # delegate, Delegation is a type of storage function reference. It has important functions in event and event processing. In layman's terms, a delegate is a type that can reference A method. When a delegate is created, a variable that references

Csharp: Socket,

Uniqueness of Singleton Mode Singleton mode: The first method is the simplest, but thread security is not considered. problems may occur in multithreading. public class Singleton{ private static Singleton _instance = null; private Singleton(){}

C # simple factory, Public class OperationInfo {// the essence of a simple factory is a common class that defines a static method, and the return value type of this method is the parent class, public static Operation GetInfo (string operator) //

[C # advanced series] 03 configuration file management and Assembly reference version redirection, First, click the title that is irrelevant: CLR supports two types of Assembly: Weak naming assembly and strong naming assembly. The difference between

C # WinForm uses the digital interface of the instrument, To continue, C # has been implemented before calling Windows API to implement the pop-up dialog box function. The main code for using the User32.dll file is as follows:[DllImport ("User32.dll"

C # How to collect the pages to be logged on, First note: the code snippets are obtained from the network and modified by yourself. I think something should be shared. First, let's talk about the principle: When we collect pages, if the website to

Summary: C # variables, placeholders, and other related knowledge, The New Year has been delayed for a lot of time. I haven't sat down to study seriously for a long time. The new year is almost over, and I have to start to study officially. It took

Evaluate all set elements in a set   The scenario is as follows: Order has a Suppler set, that is, there may be multiple suppliers under an Order; Supplier has a set of products, that is, purchasing multiple products for a Supplier.The requirement

"Entities. LastOrDefault ()" causes an exception of the type "System. NotSupportedException". htmlentitiesProblem: Var entities = new ShipuPlanBLO (). userList (userId, beginDate, endDate); DateTime maxDate = entities. firstOrDefault (). planDate;

C # play wav files, C # Use the HWQPlayer class to play wav filesClass Code: 1 using System. IO; 2 using System. runtime. interopServices; 3 4 namespace HoverTreeSound. hewenqiFrame 5 {6 internal class HWQPlayer 7 {8 [DllImport ("winmm. dll ")] 9

Net ping method, net ping method class ServicePinger { private static readonly ILog log = LogManager.GetLogger(typeof(ServicePinger)); public ServicePinger(string siteName, string siteUrl, string serviceUrl) { if

Generic Type in c, This article mainly talks about generics in c #, because generics play an important role in c # and play a key role in writing highly readable and high-performance code. When I often see that my team's code contains a large number

[C #] Call the Bartender service and print the bartender tag Most enterprises usually use tags in the production, warehousing, QC, and other operations.Generally, enterprises are equipped with label software + dedicated label printers. In this

. Net Elasticsearch getting started,. netelasticsearch 1. es Installation1. elasticsearch InstallationRun http: // localhost: 9200/2. head plug-in3. Install the bigdesk plug-in(Installation Details: windows elasticsearch installation, details) Ii.

Optimal Algorithm for de-duplication of data in generic sets, algorithm set I am responsible for O & M of the air ticket travel Analysis Report project. The data required for the analysis report (order data and basic dimension data) is extracted

[Reconstruction learning] 12 reconstruction learning thoughts, reconstruction 12 learning thoughts In fact, there is nothing to continue with refactoring. You and I know that this is just the beginning. Further, we rely on individuals to

Deep understanding of OOP (4): Polymorphism and inheritance (abstract class), deep understanding of oop In this article, we will discuss one of the hot topics in OOP: abstract classes. Abstract classes have the same concept in different programming