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Optimising Android application before release [closed]
...y usage:
check networking type and wait until user gets in the area with wifi or 3G (and not roaming) and only then allow him to use connection
use gzip for textual data whenever possible to speed up download and parsing
recycle complex java objects such as XmlPullParserFactory/BitmapFactory/Str...
IOCTL Linux device driver [closed]
...your driver over a BSD socket interface. This is used, for example, by the WiFi drivers. You then communicate with it from userspace using the libnl or libnl3 libraries.
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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...的事件处理程序。我们需要复制 obj 文件和纹理文件，使助手可以访问它们。请注意，我们不仅要设置 DataUri，还要设置 ExtraKey 和 ExtraValue。这是应用程序所需的唯一块。
为方便起见，这里是完成的 virtuality.aia 项目文件，您可...
Your build failed due to an error in the AAPT stage, not because of an...
...消息）：删除不再需要的任何应用程序以释放空间通过 WiFi 传输时，APK 未完全保存在目标设备上。尝试保存到您的 PC，然后通过 USB 数据线将其移动到设备（“adb”安装）APK 名称包含非打印字符：如果将该名称复制并粘贴到 App ...
How to access SOAP services from iPhone
...pp will only be used in a 4g environment with excellent signal, or only in Wifi, it might be more approriate. But in general with mobile networking, less is more.
– Vineel Shah
Oct 3 '12 at 15:36
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How to change time and timezone in iPhone simulator?
...s.
--dataNetwork <dataNetworkType>
If specified must be one of 'wifi', '3g', '4g', 'lte', 'lte-a', or 'lte+'.
--wifiMode <mode>
If specified must be one of 'searching', 'failed', or 'active'.
--wifiBars <int>
If specified must be 0-3.
--cellularMode <mode>
...
How can I get the MAC and the IP address of a connected client in PHP?
...ork, for example your mac address will be stored and visible in your local wifi router, and outside of it, all device in your network will be using and will be communicated with same IP address, which router will translate back to mac address and will send it internally.
– Dhee...
一文了解大数据领域创业的机会与方向 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...理这份内容的时候，我们发现2C的产品非常少。女性经期助手、百度指数这样勉强算是2C的大数据产品。而大数据2C方面的产品，更多的是倾向于应用。可穿戴设备其实也算是大数据应用产品之一。
说了这么多，你肯定会问我了...
如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的实践都证明，交易系统在上述两方面都是投资人的有力助手。
大多数投资者在进入市场的时候，对市场的认识没有系统的观点。很多投资人根据对市场的某种认识，就片面的承认或否认一种交易思路的可行性，其实他们不知...
Proper way to exit iPhone application?
...ure of the problem and possible actions the user could take — turning on WiFi, enabling Location Services, etc. Allow the user to terminate the application at their own discretion.
WARNING: Do not call the exit function. Applications calling exit will appear to the user to have crashed, ...