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How to enable/disable bluetooth programmatically in android

... permission to turn on Bluetooth. The enable() method is provided only for applications that include a user interface for changing system settings, such as a "power manager" app. What does it mean? For ex. I made a little app from your code and it worked. But if I want to upload to Play Store, it wo...
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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails

... That's how it should work -- but apparently the Gemfile.lock includes 'open' versions in some cases (e.g. rails (4.0.0) requires bundler (>= 1.3.0, < 2.0)), which causes problems. Any idea how to avoid those 'open' dependencies? –...
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关于我们 · App Inventor 2 中文网,少儿编程陪伴者

...心 中文社区 关于 App Inventor 2 中文网 ...
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Django TemplateDoesNotExist?

...econd solution: If that still doesn't work and assuming that you have the apps configured in settings.py like this: INSTALLED_APPS = ( 'appname1', 'appname2', 'appname3', ) By default Django will load the templates under templates/ directory under every installed apps. So with your d...
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使用App Inventor扩展实现多点触控:Rotation Detector · App Inventor 2 中文网

创建 Apps 首页 关于我们 关于我们 发布日志 服务条款 教育 中文教程 中文社区 反馈 我要反馈 使用Ap...
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使用App Inventor扩展实现多点触控:Rotation Detector · App Inventor 2 中文网

创建 Apps 首页 关于我们 关于我们 发布日志 服务条款 教育 中文教程 中文社区 反馈 我要反馈 使用Ap...
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使用App Inventor扩展实现多点触控:Rotation Detector · App Inventor 2 中文网

创建 Apps 首页 关于我们 关于我们 发布日志 服务条款 教育 中文教程 中文社区 反馈 我要反馈 使用Ap...
https://www.fun123.cn/referenc... 

使用App Inventor扩展实现多点触控:Rotation Detector · App Inventor 2 中文网

创建 Apps 首页 关于我们 关于我们 发布日志 服务条款 教育 中文教程 中文社区 反馈 我要反馈 使用Ap...
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AngularJS Multiple ng-app within a page

... mentioned by Cherniv we need to bootstrap the modules to have multiple ng-app within the same page. Many thanks for all the inputs. var shoppingCartModule = angular.module("shoppingCart", []) shoppingCartModule.controller("ShoppingCartController", function($scope) { $scope.items = [{ ...
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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...

...介绍一款较为通用、价格低廉的BLE设备从零开始如何利用App Inventor 2开发一款自己专属的手机蓝牙App应用。BLE与经典蓝牙的区别可参考:《低功耗蓝牙(BLE) 和 经典蓝牙(SPP) 的区别》。本文主要通过一款常见的BLE硬件接入控制,介...