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Source code: @Target({ElementType.METHOD, ElementType.TYPE}) @Retention(RetentionPolicy.RUNTIME) @Documented @Mapping public @interface RequestMapping { String name() default ""; @AliasFor("path") String[] value() default {}; @AliasFor("value") String[] path() default {}; RequestMethod[] method() default {}; Str ...

1. iptables basic management 1.1 problems This case requires you to practice the use of iptables command and complete the following tasks as required: Close firewalld and start iptables serviceView firewall rulesAppend and insert firewall rulesDelete and clear firewall rules 1.2 scheme iptables firewall has 4 tables and 5 chains, 4 t ...

In the HTTP 2.0 era, almost all websites are accessed through https. To achieve https access, the security certificate is a barrier that cannot be bypassed. Domain name service providers generally provide free certificate registration, and many can be searched on the Internet. The common issuing institutions of free certificates are Asia integ ...

catalogue 1, Form form 1.1 label properties 1.1.1 action 1.1.2 target 1.1.3 method 1.1.4 enctype 1.2} form synchronous submission and shortcomings 1.3} submit form data through Ajax 1.3. 1. Listen for form submission events 1.3. 2. Block the default behavior of the form 1.4. serialize() method Two. Template engine 2.1} art template ...

Master slave synchronization Note: the code in this article may involve misuse of Chinese characters, such as quotation marks and commas. Ask the paster to debug and modify the self code. Open the primary server mysql database configuration file Find my. In the mysql installation directory Ini configuration file, add under [mysqld] server-i ...

RH358 manage DHCP and IP address assignment – configure IPv6 address assignment This chapter describes how to configure DHCP to allocate IPv6 addresses. Although it is still a bit weak, it can be used for understanding and learning. Column address: https://blog.csdn.net/qq_41765918/category_11532281.html 1. Overview of IPv6 a ...

How to build centos7 Mini platform step by step and deploy SSH Remote Login ​ First, you have to download an image of centos7 minimum. I downloaded it on the official website https://www.centos.org/download/ I took an empty U SB flash drive, which is small, so I decided to download centos7 minimum. An assistant for installing USB flash dis ...

Take notes of your work I Installing docker in win10 environment First, find the docker official website and download the docker application in win10 environment docker win download address You can see that there is a system requirement to open Hyper-v win10 open Hyper-v Right click the start menu Select Settings docker insta ...

1, Test SMTP service with telnet command POP3 POP3 is the abbreviation of Post Office Protocol 3, that is, the third version of post office protocol. It specifies how to connect a personal computer to a mail server on the Internet and an electronic protocol for downloading e-mail. It is the first offline protocol standard for Internet e-m ...

Atomicity of operation Ten threads perform + + on the count variable at the same time, and each thread performs + + 100000 times. The ideal result is 1 million, but the final result is less than 1 million. #include <stdio.h> #include <unistd.h> #include <pthread.h> #define THREAD_COUNT 10 void *func(void *arg) { vol ...