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What is the use of java framework?

The use of Java frameworks is to speed up the development process. In similar projects, reusing code will save developers a lot of time and energy. The framework provides pre-built modules for performing tedious coding tasks.

May 22, 2019 pm 01:12 PM

java框架

What to learn about Linux cloud computing operation and maintenance?

What you need to learn about Linux cloud computing operation and maintenance: 1. Basics of Linux system; 2. Linux system management and advancement; 3. Common services for Linux enterprises; 4. Shell programming and advancement; 5. MySQL application principles and management; 6. http service proxy cache acceleration, etc.

May 21, 2019 pm 06:24 PM

linux 云计算运维

How to learn java ee?

The process of learning Java ee: 1. Master JavaSE in the first stage; 2. Master the basics of JavaWeb in the second stage; 3. Master the SSH development framework in the third stage; 4. Be proficient in and master the basic stage plus the mainstream framework stage in the fourth stage. Knowledge.

May 21, 2019 pm 01:16 PM

Java Java ee

How does jsp work?

The working principle of jsp is: 1. When a user accesses a JSP page, a Servlet container is recalled to issue a request; 2. The JSP container is responsible for calling the servlet converted from JSP; 3. The container executes the bytecode file and returns the result to client.

May 20, 2019 pm 06:17 PM

jsp

What is the execution process of jsp

The execution process of the JSP file: 1. The client issues a Request request; 2. The JSP Container translates the JSP into the Servlet source code; 3. The generated Servlet source code is compiled and loaded into the memory for execution; 4. The result is Response to the client.

May 20, 2019 pm 06:07 PM

jsp

How to check linux file permissions?

How to check file permissions in Linux: Use the Linux command to check file permissions, the code is [ls -l file or folder 】.

May 20, 2019 pm 04:13 PM

linux文件权限

How to solve the garbled jsp source file

Solution to jsp source file garbled code: 1. Check the encoding format of the project and set it to [UTF-8]; 2. Set the encoding in the request header response header, the code is [req.setCharacterEncoding("UTF-8")]; 3 , Set the tomcat server encoding format.

May 20, 2019 pm 02:12 PM

jsp

How to generate jsessionid

Jsessionid is just Tomcat's name for sessionid, which is actually sessionid; when the session object is accessed for the first time by the client, a new session object is created and a sessionId is generated at the same time.

May 20, 2019 pm 01:30 PM

sessionid

How to learn jsp

Methods to learn jsp: 1. Build and understand Web Server; 2. Understand "HTML/XHTML"; 3. Start learning Java; 4. Learn JavaScript; 5. Learn and understand the better details of Web Server; 6. Build JSP Server and so on.

May 18, 2019 pm 04:30 PM

jsp

What are the commonly used web servers?

Commonly used web servers include: Apache, Nginx, IS, Tomcat, Kangle, WebSphere, WebLogic, Lighttpd, Zeus, etc.

May 18, 2019 am 10:54 AM

web服务器

What is the use of jsp custom tags

Custom JSP tags are usually for reuse. For example, the same function does not need to be written in the same code on different pages, which facilitates the maintenance of page code; custom tags are user-defined JSP language elements. The syntax for creating custom tags is such as " <ex:Hello />".

May 16, 2019 am 10:55 AM

jsp

What are the four major scopes of jsp

The four major scopes of jsp are: 1. Application scope, ranging from application opening to closing; 2. Session scope, ranging from browser opening to closing; 3. Request scope, ranging from forwarding and current page; 4. , page scope, the scope is the current page.

May 15, 2019 pm 03:20 PM

jsp

What does jstl do?

The functions of jstl: 1. Reduce the number of Scriptlets code in JSP in a unified way; 2. Encapsulate business into JSTL for easy reuse; 3. Separate data from display; 4. Simplify JSP and Web applications Program development; 5. Allow further integration of JSP design tools and Web application development.

May 15, 2019 pm 01:52 PM

jstl

what is jstl

The full name of JSTL is JavaServer Pages Standard Tag Library, which means "JSP Standard Tag Library" in Chinese. It is a continuously improving open source JSP tag library. Developers can use these tags to replace Java code on JSP pages, thereby improving the readability of the program and reducing the difficulty of program maintenance.

May 15, 2019 am 10:42 AM

jstl