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nginx installation and operation control Compile and install nginx Install support software The configuration and operation of nginx need the support of pcre, zlib and other software packages Install pcre and zlib You need to mount the Centos image during installation. Clear the yum source [root@centos ~]# yum -y install pcre-devel ...

to practice martial arts easyweb Obviously, this problem needs sql injection, but I don't know the injection point After testing, it is judged that the injection point is: 'closed', and the symbol is replaced by% 23 In the later test, it is found that the space is filtered. We can use% 0d to bypass it Try to find union and select using un ...

preface vscode configuration settings JSON is an old topic. As time goes by, we may change it very frequently, but we should try our best to avoid one problem: ⚠️ With a certain item, but I don't know its function ⚠️ In fact, it is a question of knowing why. Based on this topic, this paper will analyze my settings in detail JSON, hopi ...

1. Definitions AJAX: asynchronous JavaScript and xml are not new programming. It refers to an interactive method, asynchronous loading, and the technology of interactive updating of data between client and server on local pages. There is no need to refresh the whole page (local refresh) 1.1 advantages Local refresh, better effectBetter u ...

preface Use Erupt framework + amis foreground framework to quickly build project procedures [currently open: Foreground link ](not finished, but the team forming function is finished) First blow Erupt framework !! This framework is a powerful tool for background development. You don't even need to build a table first. You can dire ...

1, Overview Nginx is a high-performance, lightweight Web service software. advantage (1) High stability (2) Low system resource consumption (3) High processing capacity for HTTP concurrent connections (4) A single physical server can support 30000 ~ 50000 concurrent requests 2, Steps and practice of configuring Nginx (1) Turn off the f ...

Reference article: https://blog.csdn.net/qq_36371449/article/details/80314024 *** 1, Introduction to ServletContext 1. Concept ServletContext is also called Servlet context. When the WEB container starts, it will create a corresponding ServletContext object for each WEB application, which represents the current WEB application. This o ...

Pinduoduo is becoming more and more popular now, but I don't know if you have found that pinduoduo seems to have been unable to access through the web page. Taobao and jd.com all have wechat clients, so how can you spell Duoduo without it? With this question, I specially went to the mobile phone to climb and get the pinduoduo client. (in fact, ...

JSP_06 Preface: JSP_05. I have a general understanding of cookie s and session s. Now I start to apply them in practice.   1, Review Deepen your understanding of cookie s and session s.   2, Use of cookies 1. Seven day login free dologin.jsp <%@page import="com.dao.impl.UserDao"%> <%@page import="java.net.URLEncoder"%> < ...

1. Introduction to spring MVC 1.1 MVC mode MVC is a software architecture mode in software engineering. It is a development idea that separates business logic and display interface. M (model) model: process business logic and encapsulate entitiesV (view): display contentC (controller): responsible for scheduling and distribution (1. Receivin ...