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Build unsigned APK file with Android Studio

I'm developing an android app with the Android Developer Tool. Now I tried the new Android Studio, everything works fine if connect my smartphone with the pc and directly run the program in the Android Studio. But now I want to test the program with other smartphones without connecting them to my pc...
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What's the yield keyword in JavaScript?

... Late answering, probably everybody knows about yield now, but some better documentation has come along. Adapting an example from "Javascript's Future: Generators" by James Long for the official Harmony standard: function * foo(x) { while (true) { ...
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How do I record audio on iPhone with AVAudioRecorder?

Now that iPhone 3.0 SDK is public, I think I can ask this question for those of you that have already been playing with the 3.0 SDK. I want to record audio in my application, but I want to use AVAudioRecorder and not the older way of recording like the example SpeakHere shows. There are not any...
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Equation (expression) parser with precedence?

...l, you actually have a hope at scaling up later, showing other people you know that parsers are the domain of parsing tools. Update: People here have offered much sound advice. My only warning against skipping the parsing tools or just using the Shunting Yard algorithm or a hand rolled recursive...
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How ListView's recycling mechanism works

...s advice I was able to change how I added Views to my GridView. Problem is now I have something that does not make sense. This is my getView from my BaseAdapter : ...
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How do you rotate a two dimensional array?

...eed this information in our function to rotate a matrix, so let’s add it now: def rotate(matrix): size = len(matrix) # Rotatable layers only. layer_count = size / 2 Now we know what layers are and how to determine the number of layers that actually need rotating, how do we isolate a...
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Is there a quicker / better way to clear the iPhone Simulator cache than deleting its directory?

...o the Keyboard Shortcut:. (I use command-period) Click the Add button. Now, while in your iOS Simulator, you can simply use your new shortcut key to reset. If the Simulator doesn't appear in the drop down list: In a Finder window, go to your Applications folder. Right-click Xcode and choose...
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Use numpy array in shared memory for multiprocessing

... p.start() p.join() # Print out the changed values print "Now, the first two elements of arr = %s"%a[:2] b = numpy.frombuffer(a.get_obj()) b[0] = 10.0 print a[0] When run, this prints out the first element of a now being 10.0, showing a and b are just two views into ...
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Token Authentication for RESTful API: should the token be periodically changed?

... deleted') # This is required for the time comparison utc_now = datetime.utcnow() utc_now = utc_now.replace(tzinfo=pytz.utc) if token.created < utc_now - timedelta(hours=24): raise exceptions.AuthenticationFailed('Token has expired') return t...
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What does it mean if a Python object is “subscriptable” or not?

...which can be replayed. For example, see: Application Scripting Framework Now, if Alistair didn't know what he asked and really meant "subscriptable" objects (as edited by others), then (as mipadi also answered) this is the correct one: A subscriptable object is any object that implements the __ge...