因为原先使用的c3p0链接池，时常出现：APPARENTDEADLOCK!!!Creatingemergencythreadsforunassignedpendingtasks，以及出现线程死锁的情况导致服务器经常需要重启，很是头疼。所以考虑使用Druid链接池来代替原先的c3p0.AlibabaDruid中文文档(https:/

Dart基础系列：Dart简介(https://www.jianshu.com/p/c749f40828a5)Dart语法（上）(https://www.jianshu.com/p/6b5689342e24)<基础Dart语法（下）(https://www.jianshu.com/p/7c3eba46e679)说明：

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出自Grails团队的Java框架新贵Micronaut(https://www.oschina.net/action/GoToLink?urlhttp%3A%2F%2Fmicronaut.io%2F)刚发版就加入了TechEmpowerFrameworkBenchmark.最近出炉的2a8f2912c4a24c32a57

点击上方蓝色字体，选择“设为星标”回复”资源“获取更多资源!(https://oscimg.oschina.net/oscnet/7d6949c98cb712bb657c3be769edf05846b.jpg)本文作者：SheepSun本文链接：https://www.cnblogs.com/yangxusun9/p/1

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首先你要切换root：sudoi后续换行输入你的密码1、yum包更新到最新yumupdate!在这里插入图片描述(https://oscimg.oschina.net/oscnet/up6283fd79c482192f4bc065c6461aea56.png)2、安装需要的