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Why use def main()? [duplicate]

...a function will benefit me, then I refactor the code and do it. This also happens when I write bash scripts. Even if you put code inside the main function, you are not required to write it exactly like that. A neat variation could be: import sys def main(argv): # My code here pass if __nam...
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How to check if activity is in foreground or in visible background?

...credits go to Dan, CommonsWare and NeTeInStEiN) Track visibility of your application by yourself using Activity.onPause, Activity.onResume methods. Store "visibility" status in some other class. Good choices are your own implementation of the Application or a Service (there are also a few va...
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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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AngularJS: How can I pass variables between controllers?

...ller where you want to use it. Simple service example: angular.module('myApp', []) .service('sharedProperties', function () { var property = 'First'; return { getProperty: function () { return property; }, setProperty: functi...
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Is it possible to display inline images from html in an Android TextView?

...ously. If you can add any images you want to display as resources in your application the your ImageGetter implementation becomes a lot simpler. You could get away with something like: private class ImageGetter implements Html.ImageGetter { public Drawable getDrawable(String source) { ...
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Extending the User model with custom fields in Django

...he best way to extend the User model (bundled with Django's authentication app) with custom fields? I would also possibly like to use the email as the username (for authentication purposes). ...
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Is there a max array length limit in C++?

...ch as sparse matrices, on the fly compression, etc... Again this is highly application dependent. If you edit your post to give some more information as to what is actually in your arrays, you might get more useful answers. Edit: Given a bit more information on your exact requirements, your storag...
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android.view.InflateException: Binary XML file line #12: Error inflating class

..., but really comes from another deeper issue in your layout that is then wrapped in an InflateException. A common issue is an out of memory exception when trying to inflate an imageview loading a drawable resource. If one of this resources has a high pixel resolution it would take a lot of memory ca...
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How to create P12 certificate for iOS distribution

We have an iOS app whose push notification cert has expired and we're trying to create a new one. I've created new certs in the Provisioning portal (ios_developer.cer, ios_distribution.cer) and downloaded them. I was following instructions here on Stack Overflow to convert it to PEM and then to ...
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Android Eclipse - Could not find *.apk

... Please follow these steps; this might help you out: Right-click your app project and go to Properties Select Android from left-hand side list Uncheck the "Is Library" checkbox If your app project relies on library projects which are in your workspace, those of course need to have the "Is Lib...