Sigar是Hyperichq产品的基础包,是HypericHQ主要的数据收集组件。它用来从许多平台收集系统和处理信息.这些平台包括：Linux,Windows,Solaris,AIX,HPUX,FreeBSDandMacOSX.Sigar有C，C，Java和PerlAPI，java版的API为sigar.jarsigar

一.从test02表中查询每个uid最早登录的前2天   表如下图所示：   !(https://oscimg.oschina.net/oscnet/86158c49707b8edb3dd39ebc039c56e20f6.png)selectfrom(selectuid,day,

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转载自：https://www.jianshu.com/p/42a33b0dda9c(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fwww.jianshu.com%2Fp%2F42a33b0dda9c)

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!(https://oscimg.oschina.net/oscnet/up709388e866c3b051ef8fd93c344d08731d4.JPEG)在 ApacheECharts5系列教程（4）：开发体验(https://my.oschina.net/echarts/blog/4945435)中，我们介绍了ApacheECh

!(https://oscimg.oschina.net/oscnet/c7cf65de97b540b49e7c39ebd3e9dfbd.png)启动类在包根目录下添加启动类，必须包含main方法，再添加SpringBoot启动方法：1.SpringApplicatio

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1、环境：Win7x64、python3.7x64、tensorflow1.14、CPUi59400F2、3、　3.1、cifar10，没有数据，全新下载，下到默认目录（C:\\Users\\Administrator\\tensorflow\_datasets），全过程控制台输出：（20190903）"C:\ProgramF