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I believe many people have the need to parse HTML documents. For example, if we capture the page data of a website, the format is HTML. In the past, we used regular expressions for parsing, but we found some problems. It is not easy to parse HTML

Usually we get the IP from the following code: REMOTE_ADDR Description: access the IP address of the client . This information cannot be modified by the user. If you really change, you can not connect with the server, the

C # (string method summary ), 1. character array and String Conversion (1) ToCharArray () converts a string into a character array String s = 'blog I like '; Char [] chs = s. ToCharArray (); (2) obtain the string from the character array new string (

1, there is the following string: ""Patient:"doctor, I have a bad cough. "Doctor:"How much do you remember? "Patient:"75 years old. "Doctor:"20-year-old cough?"Patient:"no cough. "Doctor:"Do you cough when you are 40 years old? "Patient:"and not

String and string, Stringstring StringAndStringDifference From the perspective of location:  1.String is the String in. NET Framework, and the string in lower case is the string in C # language. 2. If you delete using System;, there is no upper-case

FtpWebRequest reqftp = (ftpwebrequest) ftpwebrequest.create (new Uri (URL));Reqftp.credentials = new NetworkCredential ("name", "pwd");Reqftp.timeout = 10000;Reqftp.method = WebRequestMethods.Ftp.UploadFile;Reqftp.method =

C # learning records, In the twinkling of an eye, I haven't changed my mind for a few months. After I took a note of C # a few months ago, I recorded some important ideas.   1. Print Console. WriteLine (); print Console. ReadKey (); press a key to

converting from a string array to an int array in C #String[] input = {"1", "2", "3", "4", "5", "6", "7", "8", "9"};int[] output = array.convertall (Input, delegate (string s){return int. Parse (s);});Note:Convert using the static generic method

Using Unityengine;Using System;Using System.Collections.Generic;Using System.Collections;Using System.Linq;Using System.IO;public class Newbehaviourscript:monobehaviour {Use this for initializationvoid Start () {var stream = new FileStream

C # common usage of string, 1 --- "string declaration: 1. string s = new string (char [] arr) // declare a string based on a character array, which converts a character group to a string. 2. string s = new string (char r, int I) // generate an I

Json is a common ajax data type and is often used. But what if a line break appears in the field? It is obviously not suitable to remove it. Some fields already have line breaks. How can I remove them? I have tested the processing of json classes

In our program design, we often need to encrypt some special content. Today we have summarized several simple encryption methods and shared them with you! Method 1: add or subtract short answer characters This method uses the addition and

LinQ query and linq dynamic query A lot of new content has been added to the project, and LINQ is a very simple but practical content, making it easier for us to operate data. Next, let's give a brief introduction to LINQ. I. Overview LinQ

The URL field value is replaced, no field is added Source to be changed url field, note the distinction between uppercase and lowercase. such as: ID or key37 New value New url after replacementpublic static string Urlreplace (String Strrepsource,

Content of this article:1: Make your own Pop3HelperHandling of mail formats is troublesome2: Use the off-the-shelf pop3 classLumiSoft. Net. POP3.Client;There are two solutions3: Use IMAP to receive emailsMore functions than pop3.4: send an email

Three common methods of File Transfer: FTP, Email, and "Network neighbors" all implement file data communication to a certain extent, but they are mainly for "point-to-point" transmission, it is impossible to meet the application requirements of

// Output the hard disk file for download // Input parameter _ Request: Page. request object, _ Response: Page. response object, _ fileName: Download file name, _ fullPath: Download path with file name, _ speed bytes allowed to be downloaded per

C #3.0 new syntax   C #3.0 OverviewC #3.0 was officially released with vs2008 in early 2008. C # EvolutionC #1.0 -- managed codeC #2.0 -- generic, anonymous methodC #3.0 -- LINQ, Lambda C #3.0 OverviewC #3.0 new features includeAutomatic attributes,

Client: $. Ajax ({Type: "POST ",Url: "SaveRole. aspx? Oid = "+ $ (" # hdOperatorId "). val () +" & role = "+ role,Data: "formData1 = 1 & formData2 = 2 ", // Async: false, synchronous Success: function (mes ){If (mes! = ""){ If (mes = "fail "){//

Further to the previous article: Asp.net, C # detailed instructions on the use of encryption and decryption strings, some netizens asked: That is to say, the encrypted data is no longer: N8lAaHMFtSAQgaf3 + RUFng = You want encryptedString to be "12