目录一、从Java类加载机制说起1.1 双亲委派模型1.2 双亲委派模型缺陷1.3 使用线程上下文类加载器(ContextClassLoader)加载1.4 使用类加载器加载资源文件,比如jar包二、Spring中SPI机制实现2.1 SPI机制2.1.1 SPI思想
I\'m trying to return a JSON string from an AJAX call to my database but I\'m having a bit of trouble...I can\'t seem to get the notation of my JSON correct as it keeps evaluating to a sin开发者_如何学
The following seems to be a reasonable use of __caller__: var foo=1; function a() { var foo=2; function b() {
I have a Spring application running against a MySql database.I have a sales table like: +-------------------+------------------------------+------+-----+---------+-------+
每年双十一都有很多人网购,如果参加活动会有很多优惠。当然网购的人多了,快递也多了。近日有消息称,双11当天全国处理快递5.52亿件,呈现出旺季的诸多特点。具体是什么情况?