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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...沉浸式全景图，另一个添加了 3-D 建模。我们提供了可供下载和试用的演示 APK 文件，以及您可以用作演示变体起点的 App Inventor 项目 (aia) 文件。演示的核心是一个用 Java 编写的辅助应用程序，用于管理与 Cardboard 库的交互。具有...
App Inventor 2 中文网 · 项目指南
...帮助”菜单 -> AI伴侣信息，直接手机扫码安装到手机 或 下载AI伴侣到电脑并拖动到商业模拟器安装。 注：手机和电脑必须在同一局域网内，原理是电脑端启动WEB服务器，手机AI伴侣与WEB通信；电脑连手机热...
Why is Python running my module when I import it, and how do I stop it?
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There was a Python enhancement proposal PEP 299 which aimed to replace if __name__ == '__main__': idiom with def __main__:, but it was rejected. It's still a good read to know what to keep in mind when using if __name__ = '__main__':.
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Fling gesture detection on grid layout
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I slightly modified and repaired solution from Thomas Fankhauser
Whole system consists from two files, SwipeInterface and ActivitySwipeDetector
SwipeInterface.java
import android.view.View;
public interface SwipeInterface {
public void bo...
Why can't variables be declared in a switch statement?
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edited Apr 19 at 17:02
Arsen Khachaturyan
5,90933 gold badges3232 silver badges3434 bronze badges
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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...p /data/mongodbtest
#进入mongodb文件夹
cd /data/mongodbtest
3、下载mongodb的安装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
#解压下载的压缩包
tar xvzf mongodb-linux-x86_64-2.4.8.tgz
4、分别在每台机器建立mongos 、config ...
Best way to store time (hh:mm) in a database
...right the first time.
The better your initial design, the less costly the repairs will be later on.
I only say all this, because if I could go back in time then it is what I'd tell myself when I got there.
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What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
...ex++)
(That's assuming you need the index, of course. If you can use the enhanced for loop instead, do so.)
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MultiPlatform版OBS（Open Broadcaster Software）流媒体视频开源软件安装...
...考：https://github.com/jp9000/obs-studio/wiki/Install-Instructions
QT下载地址：https://www.tsingfun.com/down/soft/51.html
QTDIR: D:\Qt\Qt5.4.2\5.4\msvc2012_opengl
（注意：由于该项目中很多代码采用C99标准，而VS2012及以下版本不支持C99，VS2013才开始支...
【解决】bufferevent_openssl.c:228:19: error: storage size of \'methods...
...2.1.x改了头文件，如果不想更换系统openssl版本，可以手动下载一个 libevent-2.1.11-stable.tar.gz，然后换成bz压缩格式，这里清泛网已经制作好了一个，点此直接下载：libevent-2.1.11-stable.tar.bz2。
最后将 libevent-2.1.11-stable.tar.bz2 放入/x...