https://github.com/alibaba/fastjson/pull/1337…

show create table history;-------------------------- CREATE TABLE `foo` (  `itemid` bigint(20) unsigned NOT NULL,  `clock` int(11) NOT NULL DEFAULT '0',  `value` double(16,4) NOT NULL DEFAULT '0.0000',  `ns` int(11) NOT NULL DEFAULT '0',  KEY `histor…

Maven Dependency: <dependencies> <dependency> <groupId>org.apache.activemq</groupId> <artifactId>activemq-all</artifactId> <version>${activemq.version}</version> </dependency> <dependency> <gr…

原文地址:https://dzone.com/articles/scalable-distributed-systems-using-akka-spring-boot-ddd-and-java When data that needs to be processed grows large and can’t be contained within a single JVM, AKKA clusters provides features to build such highly scalabl…

AspectJ类型匹配的通配符:*:匹配任何数量字符:..:匹配任何数量字符的重复,如在类型模式中匹配任何数量子包:而在方法参数模式中匹配任何数量参数.+:匹配指定类型的子类型:仅能作为后缀放在类型模式后边.java.lang.String 匹配String类型:java.*.String 匹配java包下的任何“一级子包”下的String类型://*只能匹配一个子包如匹配java.lang.String,但不匹配java.lang.ss.Stringjava..* 匹配java包及任何子包下的…

1.基本概念 1.1.Spring Spring是一个开源框架,Spring是于2003 年兴起的一个轻量级的Java 开发框架,由Rod Johnson 在其著作Expert One-On-One J2EE Development and Design中阐述的部分理念和原型衍生而来.它是为了解决企业应用开发的复杂性而创建的.Spring使用基本的JavaBean来完成以前只可能由EJB完成的事情.然而,Spring的用途不仅限于服务器端的开发.从简单性.可测试性和松耦合的角度而言,任何Java…

applicationContext.xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.spring…

一.为什么需要代理模式 假设需实现一个计算的类Math.完成加.减.乘.除功能,如下所示: package com.zhangguo.Spring041.aop01; public class Math { //加 public int add(int n1,int n2){ int result=n1+n2; System.out.println(n1+"+"+n2+"="+result); return result; } //减 public int sub(…

原文地址:http://www.studytrails.com/frameworks/spring/spring-remoting-burlap.jsp Concept Overview In the earlier tutorials we saw an introduction to Spring remoting and its support for RMI and Hessian. In this tutorial we look at another remoting protoco…

原文地址:http://www.studytrails.com/frameworks/spring/spring-remoting-hessian.jsp Concept Overview The previous tutorial presents an overview of spring remoting and lists down various remoting protocols supported by Spring. In this tutorial we look at Sp…