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2016-10-11 173 using

2013-12-03 173 using

2016-07-08 151 using

using连接数据库，执行SQL命令，使用适配器返回数据集。我们不需要去关心它的conn的资源是否关闭。当我们不用到它时。系统自动帮我们安全关闭

2016-09-27 59 using

2013-12-30 35 using

2016-06-04 194 using

Smartphones have become a key element in providing greater user access to the mobile Internet. Many complex applications...

2020-05-30 using

MIT App Inventor is an innovative beginner’s introduction to programming and app creation that transforms the complex la...

2020-06-09 3 using

This paper presents a new type of electromagnetic damper with rotating inertial mass that has been devel oped to con...

2021-11-04 using

This example shows how to detect and count cars in a video sequence using foreground detector based on Gaussian mixture ...

2016-12-10 using

using