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Error type 3 Error: Activity class {} does not exist

...s menu on android, click on "Invalidate Caches / Restart..." uninstall the app on your phone and try again) And everything worked fine! I think the key is to restart your IDE. Hope this helps you or anyone else! Edit 1: If the above steps don't work for you, then deleting Gradle cache seems to...
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get current url in twig template?

... {{ path(app.request.attributes.get('_route'), app.request.attributes.get('_route_params')) }} If you want to read it into a view variable: {% set currentPath = path(app.request.attributes.get('_route'), ...
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Node.js + Nginx - What now?

...he IP(s) on which your node server is running. I chose port 3000. upstream app_yourdomain { server 127.0.0.1:3000; keepalive 8; } # the nginx server instance server { listen 80; listen [::]:80; server_name yourdomain.com www.yourdomain.com; access_log /var/log/nginx/yourdoma...
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How do you add an in-app purchase to an iOS application?

How do you add an in-app purchase to an iOS app? What are all the details and is there any sample code? 5 Answers ...
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What is the maximum amount of RAM an app can use?

... of memory (in Megabytes / as percentage of the total RAM) that an Android application (that is not a system app) can use? That varies by device. getMemoryClass() on ActivityManager will give you the value for the device your code is running upon. Are there any differences between the Android ...
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Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application

when I tried to update my applcation with new version that has same signature as previous one, shows above error. 6 Answers...
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App Inventor 2 数学代码块 · 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 App Inve...
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Why are nested weights bad for performance? Alternatives?

... xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:id="@+id/fifty_thirty" android:layout_width="0dp" ...
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What's the right OAuth 2.0 flow for a mobile app

I am trying to implement delegated authorization in a Web API for mobile apps using OAuth 2.0. According to specification, the implicit grant flow does not support refresh tokens, which means once an access token is granted for an specific period of time, the user must grant permissions to the app a...
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Change default app.config at runtime

I have the following problem: We have an application that loads modules (add ons). These modules might need entries in the app.config (e.g. WCF configuration). Because the modules are loaded dynamically, I don't want to have these entries in the app.config file of my application. What I would li...