!(https://static.oschina.net/uploads/space/2017/0607/113909_b0x3_1444646.png)!(https://static.oschina.net/uploads/space/2017/0607/114011_VZA2_1444646.jpg)个人小程序，可以微信扫一扫看看。谢谢支

1.通过Resource接口获取资源Resource接口的实现类有：!(https://oscimg.oschina.net/oscnet/0cc3fc90abb031f2f5a2202ceee4bafac62.png) Resource接口继承了InputStreamSource接口，Input

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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简单记录一下安装过程，都是小白教程，省的哪天又忘了要去百度。1.下载sqlmap源码进行安装wgethttps://github.com/sqlmapproject/sqlmap/tarball/master2.解压运行root@VM_0_13_centossrctarzxvfsqlmap

!头图.png(https://ucc.alicdn.com/pic/developerecology/2066e0eec4de40909fed85f6c892fd61.png)作者|酒祝 阿里云技术专家导读：OpenKruise(https://www.oschina.net/action/GoToLink?urlht

DES——JAVA代码(toc_0)普通DES代码如下(toc_1)三重DES代码如下(toc_2)DES填充方式说明：(toc_3)DES——消息传递过程(toc_4)DES和DESEde——简介(toc_5)DES

原文:C获取当前屏幕DPI(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fwww.cnblogs.com%2Fkybs0%2Fp%2F7429282.html)1.通过Graphics类获取GraphicscurrentGraphicsGraphics.F

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写在前面的话：读书破万卷，编码如有神\!(https://oscimg.oschina.net/oscnet/c3d76838c40e272d2bcf64b4c7a9c638ee0.png)\