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Android Studio says “cannot resolve symbol” but project compiles

... and android studio will suggest you import import android.support.v4.app.FragmentActivity; Import it, then go back to Open Module Settings and change the compile sdk version back to what it was before. Wait for things to load and voila. ...
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Deleting all pending tasks in celery / rabbitmq

... From the docs: $ celery -A proj purge or from proj.celery import app app.control.purge() (EDIT: Updated with current method.) share | improve this answer | follow...
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How to re-sign the ipa file?

...visioning profile for beta testing, and then re-sign the exact IPA with an app submission provisioning profile for the app store. ...
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Plurality in user messages

... If there is ever any chance, no matter how small, that this app will need to be translated to other languages then both are wrong. The correct way of doing this is: string message = ( noofitemsselected==1 ? "You have selected " + noofitemsselected + " item. Are you sure you want to...
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What exactly is OAuth (Open Authorization)?

...ource owner (e.g. you) grants permission to a third-party (e.g. a Facebook Application) access to their information (e.g. the list of your friends). If you read it stated as plainly, I would understand your confusion. So let's go with a concrete example: joining yet another social network! Say you...
https://bbs.tsingfun.com/thread-1717-1-1.html 

自定义下载器扩展:个性化下载进度展示 - App Inventor 2 拓展 - 清泛IT社...

...otification. Get a list of all download IDs Get the ASD path of your app Get the current download ID. Cancel all ongoing downloads. This block converts the bytes into KB and MB automatically, You can use own calculation for converting bytes into big units. Get the downloaded size f...
https://bbs.tsingfun.com/thread-1862-1-1.html 

BrightnessTools 拓展:设置手机亮度的工具 - App Inventor 2 拓展 - 清泛I...

...of 4000.Register the listener for ChangedShow screen for controlling which apps are allowed to write/modify system settings. Set the brightness of user's phone. Minimum value is 0. ParamsTypeDescriptionBrightnessNumber (int)Set/Return the brightness depends on the given integer Set bright...
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StringUtils 字符串工具扩展:强大的文本处理工具集 · App Inventor 2 中文网

创建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
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Get value when selected ng-option changes

...ngModel object as argument to your ngChange function Example: <div ng-app="App" > <div ng-controller="ctrl"> <select ng-model="blisterPackTemplateSelected" ng-change="changedValue(blisterPackTemplateSelected)" data-ng-options="blisterPackTemplate as blisterPackTem...
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Qt 5.1.1: Application failed to start because platform plugin “windows” is missing

...s missing! Even though this has not been reported when trying to start the application (all other *.dlls such as Qt5Gui.dll had been reported). share | improve this answer | ...