Invoking activity that is located in a jar

I tried to invoke another activity from my main acitivty which is located in a jar file. Class clazz =

Does the usage of interfaces slow down programs? [duplicate]

This question already has answers here: Closed 12 years ago. Possible Duplicate: What is the performance cost of having a virtual method in a C++ class?

进入梦乡什么草原歌？

Comparing LabView and Microsoft Robotics Studio

On the surface LabView and Microsoft Robotics Studio appear to me to have a very similar programming 开发者_如何学Goparadigm and environment.

为什么医生大多都推荐豉翘颗粒?退烧效果真的好吗?？

我家九个月大，这两天在宝宝，我的体温不稳定，有时发烧，有时不发烧。我发烧的时候，体温能达到38度左右。今天有点严重，达到38.9度，但我一直精开发者_StackOverflow社区神很好。之后去了医院，医生开了一些黑豆酱

Python利用tkinter和socket实现端口扫描

目录题目参考code题目 请设计并实现一款主机端口扫描程序。程序根据用户输入的域名或IP地js址，可以查询该主机的开放的端口号。 例如：