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How to programmatically clear application data

I am developing automated tests for an android application (using Robotium). In order to ensure the consistency and reliability of tests, I would like to start each test with clean state (of the application under test). In order to do so, I need to clear the app data. This can be done manually in Se...
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Concatenating null strings in Java [duplicate]

... s = null; s = s + "hello"; System.out.println(s); // prints "nullhello" and compiles it into bytecode as if you had instead written this: String s = null; s = new StringBuilder(String.valueOf(s)).append("hello").toString(); System.out.println(s); // prints "nullhello" (You can do so yourself b...
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ImportError: No module named matplotlib.pyplot

... You have two pythons installed on your machine, one is the standard python that comes with Mac OSX and the second is the one you installed with ports (this is the one that has matplotlib installed in its library, the one that comes with macosx does not). /usr/bin/python Is the stand...
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Disable activity slide-in animation when launching new activity?

... another activity, via a button click. By default, on newer OS versions of android, the OS will animate the new activity sliding in from right to left. ...
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jQuery How to Get Element's Margin and Padding?

...ndering - how using jQuery - I can get an elements formatted total padding and margin etc ? i.e. 30px 30px 30px 30px or 30px 5px 15px 30px etc ...
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Android, getting resource ID from string?

...ne of my classes. It needs to use both the id that the reference points to and also it needs the string. How should I best achieve this? ...
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How to connect to my http://localhost web server from Android Emulator

What can I do in the Android emulator to connect it to my localhost web server page at http://localhost or http://127.0.0.1 ? ...
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How to delete a workspace in Eclipse?

...le directory. This will delete all the projects but also the Eclipse cache and settings for the workspace. These are kept in the .metadata folder of an Eclipse workspace. Note that you can configure Eclipse to use project folders that are outside the workspace folder as well, so you may want to veri...
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Not able to type in textfield in iphone simulator using Mac Keyboard?

I'm working on a basic iOS app which supports both portrait and landscape modes. When the iPhone simulator keyboard is open in landscape and I'm switching the app to portrait mode I'm unable to type anything in any text field using my Mac physical keyboard. ...
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TCP: can two different sockets share a port?

...lished connection is uniquely identified by the combination of client-side and server-side IP/Port pairs. Multiple connections on the same server can share the same server-side IP/Port pair as long as they are associated with different client-side IP/Port pairs, and the server would be able to hand...