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Introduction to Java Web Web: global wide area network, also known as the world wide web (www), a website that can be accessed through a browser. JavaWeb: use Java technology to solve the technology stack in the field of web and Internet. B/S architecture: Browser/Server architecture mode. Its feature is that the client only needs a browser ...

Introduction to K3SK3s is a lightweight Kubernetes distribution. It is an open source application for managing containerization on multiple hosts in the cloud platform. Because it is only half the size of Kubernetes in terms of memory occupation, it is abbreviated as k3s.In this article, I will show how to build K3S service cluster based on Roc ...

Form tags of HTML common tags preface1, Form field2, Form element 1.input form elements2.select drop-down form elements3.textarea form element preface In web pages, we need to interact with users and collect user data. At this time, we need to use form labels In HTML, a complete form is usually composed of three parts: form field, form ...

1, Overall architecture of Nginx nginx in normal execution will have multiple processes. The most basic processes are master process (monitoring process, also known as main process) and woker process (working process), and possibly cache related processes. A relatively complete overall frame structure is shown in the figure: 2, Core proces ...

Write before Share some knowledge about storage on Linux with your buddiesThis part of things is almost useless, but it needs a clear definitionThe article covers: Linux file storage, LVM-related conceptsFormat partitions using the Linxu file system, mount partitionsAdjust logical volumes, add swap partitions, etc. Actual DemoThe followin ...

File upload is one of the most common functions in project development. Spring MVC can well support file upload, but MultipartResolver is not installed in the context of spring MVC by default, so it cannot handle file upload by default. If you want to use spring's file upload function, you need to configure MultipartResolver in the context. Fr ...

This paper mainly uses Wireshark to analyze the process of receiving e-mail by using POP3 protocol, and uses telnet command for simple operation. 1. POP3 introduction Post Office Protocol (English: Post Office Protocol, abbreviation: pop) is a member of TCP/IP protocol family and is defined by RFC 1939. This protocol is mainly used to suppo ...

After reading some articles on the Internet, I feel that it is too theoretical. Now let's briefly talk about the life cycle of Servlet, and then verify it with code. When the browser accesses the server, the server parses the url. If the browser does not want static resources, the server accesses the corresponding Servlet according to the URI. ...

Concurrency - the Java platform has APIs to help you develop multithreaded programs Computer users take it for granted that their system can do more than one thing at a time. They assume that they can continue to work in the word processor, while other applications download files, manage print queues, and stream audio. Even a single applicatio ...

Daily share: Any restriction starts from your heart. 1, Concept and advantages of VLAN 1. Split broadcast domain 1) Physical segmentation: divide the network into several small networks physically, and then connect different networks with routing equipment that can isolate broadcasting to realize communication. 2) Logical segmentatio ...