C#

C#socket network communication asynchronous processing SocketAsyncEventArgs asynchronous socket operation 1. Simple implementation of the service side: Code: Public partial class Form_server:form {private socket socket; Public

Using System; Using System.Collections; Using System.Collections.Generic; Using System.IO; Using System.Linq; Using System.Text; Using Litjson; Namespace Cshapetest {class Start {static void Main (string[] args) {////file attribute

The first part: C # is a general-purpose, type-safe, object-oriented programming language. Has the following characteristics: (1) object-oriented: C # is a rich implementation of object-oriented paradigm, which includes encapsulation, inheritance,

Before the university that will learn the first language is C language, everyone should be the same as me, as long as the professional use to get the language, should have learned C Language bar, perhaps everyone agreed that C is the most basic of

Type conversions in C: The first thing to start with is the C language. We are used to using the C-like type conversion because it is powerful and simple. There are two main types: (new-type) expression New-type (expression) C-style

First, the const in C and C + + are explained, the former const-modified variable is not a true constant, it just tells the compiler that the variable cannot appear on the left side of the assignment symbol. The latter C + + on the basis of C on the

Beginner. NET will certainly have a series of questions, such as (the following for their own questions): 1) what is. NET Framework, what does it contain? 2) What is an assembly and how does it run in the CLR (Common language runtime)? 3) C # and

This article is mainly to share with you about the reference in C + + summary, the need for a small partner to see. Citation summary (1) In the use of reference, it is meaningless to simply give a certain variable name, the purpose of the reference

This article is mainly for you to share an example of the sort () function of the principle and use of the method, has a good reference value, I hope to be helpful to everyone. Follow the small series together to see it, hope to help everyone. The

///Print button///// private void Btnprint_click (object sender, EventArgs e) { PrintDocument1 for print control//Set printing paper when set to custom, you can customize the size of the paper, you can also choose A4,a5 and other common

ToLower () is used to change the string to lowercase, note the immutable nature of the string, and need to reassign the value to another string variable. s = S.tolower (); // strings are immutable and need to be re-assigned after

Https://www.cnblogs.com/johnblogs/p/6006867.htmlDataTable ds = new DataTable ();1.LAMDA expression (recommended)var result = ds. AsEnumerable (). GroupBy (s = = New{year = S.field ("year"), month = s.field ("month"), day = S.field (" Day ")});2.

using an intelligent compiler to prevent errorsThe main content of this chapter: Auto-Implemented properties: Write simple attributes that are directly supported by the field and no longer look bloated; Implicitly-typed Local variables:

/// ///calculates a MD5 hash from the given string and uses the given///encoding./// /// Input String/// Encoding Method/// MD5 Computed String Public Static stringCalculateMD5 (stringInput, Encoding useencoding)

Microsoft has been on the cross-platform over the last few years, with many. NET programmers gearing up for Microsoft. Just recently, Microsoft has launched the ASP. NET core2.0 Preview. Through a simple attempt at. NET core, I found that in the

This article mainly introduces the implementation of the C # Singleton model and performance comparison of the relevant data, detailed introduction of 6 ways to achieve, the need for friends can refer to the next Brief introduction A singleton

This article mainly describes the VS2017 Linux on the. NET core debugging, small series feel very good, and now share to everyone, but also for everyone to make a reference. Let's take a look at it with a little knitting. Visual Studio 2017 uses

The ASP. ASP. NET is a development framework for creating Web pages and Web sites using HTML, CSS, JavaScript, and server scripting. Three different development modes are supported by asp: Web pages (Web pages), MVC (Model View Controller

//DataRow comparison///// /// column names to be compared public static bool Datarowcompare (DataRow DrA, DataRow DrB, string[] ColumnName s) {bool flag = false; Column sort Columnsort (DrA, columnnames) that needs to

How to welcome the new. NET era and the new. net Era After reading.NET Foundation, Roslyn compiler,We should be able to understand it slowly. NET open source ",". NET Open Source "does not fully apply the existing. NET Framework (although there is a