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Angularjs Template Default Value if Binding Null / Undefined (With Filter)

... I made the following filter: angular.module('app').filter('ifEmpty', function() { return function(input, defaultValue) { if (angular.isUndefined(input) || input === null || input === '') { return defaultValue; } return input; ...
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How can I read SMS messages from the device programmatically in Android?

... } }else { List<Sms> lst = getAllSms(); } Set app as default SMS app @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == 1) { if (resultCode == RESULT_OK) { if (Build.VERSION.SDK_INT >= Build.V...
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How to get the current URL within a Django template?

...it's nice to know that those middleware needs to be included to make this happen. – Marshall X Aug 26 '17 at 21:18 As ...
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How to refresh app upon shaking the device?

I need to add a shake feature that will refresh my Android application. 16 Answers 16 ...
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How to play an android notification sound

...anager.TYPE_NOTIFICATION); Ringtone r = RingtoneManager.getRingtone(getApplicationContext(), notification); r.play(); } catch (Exception e) { e.printStackTrace(); } You can change TYPE_NOTIFICATION to TYPE_ALARM, but you'll want to keep track of your Ringtone r in order to stop playing...
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How to make a JSONP request from Javascript without JQuery?

....com/path/to/jsonp?callback=foo' document.getElementsByTagName('head')[0].appendChild(script); // or document.head.appendChild(script) in modern browsers share | improve this answer | ...
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When is it acceptable to call GC.Collect?

... and 2 - are now eligible for garbage collection, and that now would be an appropriate time to collect in terms of the small performance hit. A good example of this is if you've just closed a large form. You know that all the UI controls can now be garbage collected, and a very short pause as the f...
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Further understanding setRetainInstance(true)

What exactly happens when you call setRetainInstance(true) on a Fragment ? The documentation is virtually non-existent and this seems like a very important function. Specifically I want to know how much of this sequence (that I made up) is true: ...
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Ideal Ruby project structure

...e LolCatz module and the LolCatz::Moar class that would look like: lib/ appname.rb lolcatz/ moar.rb That is why there is an lib/appname folder because most libraries are in the appname namespace. Additionally, if you try running the command newgem --simple [projectname] that'll quickly g...
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Developing GUIs in Python: Tkinter vs PyQt [closed]

...he ones used by your operating system. I tweaked my XP theme and now my apps skin accordingly. This creates a very professional look, not comparable with a toolkit like Swing. The API is extensive and goes beyond the pure GUI things like widgets. It has support for database connectivity, printing...