synchronized加锁String踩坑日记本文参考https://juejin.im/post/59fffddc5188253d6816f9c1(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fjuejin.im%2Fpo

1.创建带侧滑效果的activity!(https://oscimg.oschina.net/oscnet/333199cfe89b2025778b04b97a9ec41f2d7.png)右击，newactivity选择NavgationDrawerActivity2.xml文件布局(1)activi

MongoDB安装sudoaptkeyadvkeyserverhkp://keyserver.ubuntu.com:80recv0C49F3730359A14518585931BC711F9BA15703C6下面命令针对ubuntu16.04版本，在其他ubuntu版本系统请查看

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SpringMVC的工作原理图：!(https://oscimg.oschina.net/oscnet/7ec9d18341c77418d09131858910f45ec97.jpg)SpringMVC流程1、 用户发送请求至前端控制器DispatcherServlet。2、 DispatcherServlet收到请求调用Ha

!(https://oscimg.oschina.net/oscnet/2272bec9a2b94f52a2041e29cff3b281.png)点击上方Unitimes可以订阅哦！unitimes.media!(https://oscimg.oschina.net/oscnet/5b5837a4723f42

!图片(https://oscimg.oschina.net/oscnet/7a1397be2012e75f3db8a8d9d752b88211c.png)原文链接：https://hackernoon.com/the2018devopsroadmap31588d8670cb(https://www.oschina.net/actio

入力： _AIRLINE_!1(https://oscimg.oschina.net/oscnet/7778be1111b2f7657a75301a1655d7fb9cb.jpg)テーブル：_FLIGHT\_LIST_ !2(https://freesapabap.files.wordpress.com/2016/09/230.jpg?

!(https://oscimg.oschina.net/oscnet/8df5a9e949fd469891feb541144b0bab.png"AndersHejlsberg")作者：LiamTung编译：王治治丨发布自：思否编辑部原文链接：https://www.zdnet.com/article/types

错误异常如下所示：java.lang.NoSuchMethodError:org.apache.hadoop.yarn.api.records.Resource.setMemorySize(J)V20180830T14:06:08,442ERRORd95cabf41c044bad9c6dfa8651fba8f0main