Programming VIP

For example: private static final Protocol protocol = ExtensionLoader.getExtensionLoader(Protocol.class).getAdaptiveExtension(); First of all, analyze the getExtensionLoader method: it is very simple to query whether the extension "loaders" exist or not, and then new returns public static <T> ExtensionLoader<T> getExten ...

[TOC] Article Directory 1. Introduction to PHP 2. Preparations before installation 3. Manual Compilation and Installation of PHP IV. Installation Process of Forum 1. Introduction to PHP PHP, which is used to interpret dynamic Web page files, provides a development and running environment for Web applications. PHP is a widely used open source, ...

The difference between include instruction and include action element in jsp In short: The introduced resource and the original resource of the include action element can be executed independently, and the include instruction needs to be merged The include action element run contains and only contains the run results (only th ...

I used the connection pool of c3p0 here. Please refer to this link: The basic usage of c3p0 dbutils is just a tool class. If you don't use hibernate, you can consider using. Because it can greatly simplify our code The jar package can be downloaded on the official website or here: The tool class of Java connecting database ...

Only one image library can be configured. Alibaba's cloud address is used here, which is faster Upload a maven settings.xml configuration file: <?xml version="1.0" encoding="UTF-8"?> <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apa ...

In practice Performance Test Framework 2nd Edition In the process, I implemented a concurrent object creation for a single HttpRequestBase object. Previously, I used to use a unique HttpRequestBase object for multithreaded requests. At present, this is OK, but in order to prevent unexpected use of BUG and uniform concurrent construction methods ...

1. Environment: Nginx installed from yum. 2. Scenario: redirect the error prompt page of Nginx. 3. Configuration file / etc/nginx/conf.d/default.conf tip: why is this configuration file? Because include /etc/nginx/conf.d/*.conf is loaded in the nginx.conf file; 4. default.conf source code: server { listen 80; serve ...

Main points: 1. Use of ACL in Squid II. Log Analysis 3. Reverse Proxy 1. Use of ACL in Squid (1) ACL access control methods: 1. List of definitions based on source address, destination URL, file type, etc. acl List Name List Type List Content... 2. Restrict the list of defined ACLS http_access allow or deny list name... (2) ACL rule priority ...

You will learn how to develop a custom Spring Cloud Stream Binder from scratch Spring Cloud Stream is a framework built on top of Spring Boot and Spring Integration. It aims to build event driven microservices that communicate through one or more shared messaging systems. The core component of Spring Cloud Stream is called "Binder", ...

Problems encountered in using JSTL 1.2 JSP code <%@ page language="java" contentType="text/html; charset=GB18030" pageEncoding="GB18030" isELIgnored="true"%> <%-- <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> --%> <%@ taglib uri="http://java.sun.com/jstl/core_rt" prefix="c" %> ...