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How is location accuracy measured in Android?
... for an example 1000 meters. By this time Android will also try to see all WiFi networks in the area an will send information about them too to the Google server and if possible Google server will return a new location with higher accuracy for an example 800 meters.
By this time the GPS will be on....
How to detect online/offline event cross-browser?
...t does not work in Firefox/Chrome if you unplug the ethernet cable or turn wifi off.
– Manish
Feb 21 '14 at 12:05
I tr...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
...如下：
扫描完成后，设备列表展示到“列表显示框”组件中：
点击列表中的目标设备（一般硬件文档会有说明，名称会有特别的标识），连接蓝牙设备的代码如下：
蓝牙App控制硬件
开始控制硬件相关IO端口，发送高/低...
ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...格的测试以及微软官方的 技术支持。另外在用ATL开发COM组件的时候，更可以方便地利用正则库的巨大威力。
由于本人学识所限，文章内容错在所难免，如有批评指正之词，请mail ：firingme@sina.com
ATL 正则表达式
How to convert `git:` urls to `http:` urls
...
This worked for me in public WiFi with blocked 22 port. How config can be reverted to defaults?
– yivo
Nov 28 '16 at 17:44
14
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为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
...源码，使得开发者可以根据自己的需要，自定义开发原生组件实现不了的、更加强大的功能。
一般拓展采用java/kotlin语言进行开发，由于拓展开发相当于直接使用安卓原生开发语言开发安卓相关功能，因此理论上拓展可以实现...
How to use android emulator for testing bluetooth application?
... headphones
No support for determining SD card insert/eject
No support for WiFi, Bluetooth, NFC
Refer to the documentation
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iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...&mode=download
3、之后把iTunes升级到10.6以上版本，其它软件组件勿升级，即只下载iTunes最新版安装即可，否则可能系统白装。不升级iTunes的后果是，插上iPhone无反应，不识别。
4、网上学习如何在XCode中写一个HelloWorld，并在iOS 5.0...
Simulate airplane mode in iPhone Simulator
... 100% packet loss, it still reports everything as up and reachable through wifi. This does not work for trying to test Airplane mode.
– E.Freitas
Mar 15 '12 at 15:12
...
Using Caps Lock as Esc in Mac OS X
...e Eject key. After a little tweaking I have mine set to toggle the AirPort Wifi.
These utilities offer unlimited flexibility when remapping the Mac keyboard. Have fun!
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