Network programming tutorial_Network programming basic and advanced tutorial list-Downcodes

English

中文(简体) 中文(繁体) 한국어 日本語 English Português Español Русский العربية Indonesia Deutsch Français ภาษาไทย

Home> Network programming tutorial

All ASP tutorial ASP tutorial ASP.NET tutorial PHP tutorial JSP tutorial C#/CSHARP tutorial XML tutorial Ajax tutorial Perl tutorial Shell tutorial Visual Basic tutorial Delphi tutorial Mobile development tutorial C/C++ tutorial Java tutorial J2EE/J2ME Software engineering

Network programming tutorial

A small example of removing spaces, carriage returns, line feeds, and tabs from strings in Java

Copy the code as follows: import java.util.regex.Matcher;import java.util.regex.Pattern;/*** @author lei* 2011-9-2*/public class StringUt

2024-11-20
Specific examples of Java+MySql image data saving and reading

1. Create a table: Copy the code as follows: drop table if exists photo;CREATE TABLE photo (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,name VARCHAR(10

2024-11-20
Java image watermark example code

Copy the code as follows: try {String targetImg = "D:/Blue hills.jpg";// String pressImg = "D:/20130311220300.jpg"; String pressImg = "D:/

2024-11-20
Summary of using Eclipse shortcut keys

The most commonly used and practical 1. Alt + / is used as a content auxiliary prompt. It is estimated that no one uses it. Of course, it can also be used to do some quick input, such as System.out.println(), which is most used by beginners. Just enter sy

2024-11-20
Tomcat starts normally and reports 404 exception when accessing all pages. Summary and analysis of 404 exception.

404 exception is very common. Most of the cases are path errors, incorrect web.xml file mapping paths, server settings, servlet jar packages that are not imported or not released with the project, etc. If the path is wrong, careful inspection can solve th

2024-11-20
In-depth analysis of the differences between StringBuffer and StringBuilder

String and StringBuilder are often used in projects. String can be spliced with "+", and StringBuilder can be spliced with append. I have never understood why I should use StringBuilder since I can use String. Although working on database

2024-11-20
Specific examples of using Filter to control user login permissions in java

I have been learning JSP for so long, and I have worked on seven or eight projects, but in all the projects, when the user logs in, he or she will jump directly to the page to which he or she has permission, or display links to accessible pages. Use this

2024-11-20
Two ways to get md5 value using java

Message Digest Algorithm MD5 (Chinese name is Message Digest Algorithm Fifth Edition) is a hash function widely used in the field of computer security and is a relatively commonly used hash algorithm. There are two ways to implement it in java. Let’s talk

2024-11-20
Implementation steps of Java connecting to MYSQL database

This article mainly describes the actual operation steps of connecting Java to MYSQL database (taking MySQL as an example). We use relevant examples to introduce the actual operation process of connecting Java to MYSQL database. The following is the main

2024-11-20
Implementation code for converting java timestamp to date format

As shown below: Copy the code as follows: String beginDate="1328007600000";SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");String sd = sdf.f

2024-11-20
Deep synchronized access to shared variable data analytics

If access to shared mutable data cannot be synchronized, the consequences can be dire, even if the variable is atomically readable and writable. Let's consider a thread synchronization issue. For thread synchronization, the Java class library provides

2024-11-20
Based on in-depth understanding of Java string "==" and "equals"

Although the question about Java strings "==" and "equals" is the most basic question in Java learning, there are still many students who have just learned Java who are not clear about the principles. I recently discussed this issue wi

2024-11-20
Analyze how to use two stacks to implement a queue

Question: How to use two stacks to implement a queue, that is, two methods to implement a queue-appendTail (insertion) and deleteHead (deletion). Analysis: The core idea is that one stack stores forward and the other stack stores backward. The forward sto

2024-11-20
Analyze the implementation method of finding the Fibonacci sequence using recursion and looping methods

The code is as follows: Copy the code The code is as follows: public class Fibonacci {public static long recursive(int n) {if (n <= 0)return 0;if (n == 1)return 1;retur

2024-11-20
Detailed explanation of an efficient algorithm for finding positive integer powers

The core idea is that when n is an even number, a^n = a^n/2 × a^n/2 when n is an odd number, a^n = a^(n-1)/2 × a^(n-1 )/2 × a The code is as follows: Copy the code The code is as follows: public class Power {public static voi

2024-11-20

Prev 3 4 5 678 9 10 11Next