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Unable to execute dex: Multiple dex files define

... seen any possible solution yet. Before i make the project 'Run as Android Application' , if i do not clean it, i receive the following error and have to restart Eclipse ... and clean again. ...
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Read and write a String from text file

...r: .documentDirectory, in: .userDomainMask).first { let fileURL = dir.appendingPathComponent(file) //writing do { try text.write(to: fileURL, atomically: false, encoding: .utf8) } catch {/* error handling here */} //reading do { let text2 = try String(c...
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UICollectionView Set number of columns

...orCellWithReuseIdentifier: "Cell") } override func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { return 59 } override func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICo...
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What to put in a python module docstring? [closed]

... NAME x - This module does blah blah. FILE /tmp/x.py CLASSES __builtin__.object Blah class Blah(__builtin__.object) | This class does blah blah. | | Data and other attributes defined here: | | __dict__ = <dictproxy object> | ...
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How to check if Location Services are enabled?

I'm developing an app on Android OS. I don't know how to check if Location Services are enabled or not. 22 Answers ...
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Which characters are valid in CSS class names/selectors?

...tly at the CSS grammar. Basically1, a name must begin with an underscore (_), a hyphen (-), or a letter(a–z), followed by any number of hyphens, underscores, letters, or numbers. There is a catch: if the first character is a hyphen, the second character must2 be a letter or underscore, and the n...
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_=> what does this underscore mean in Lambda expressions?

What does an lambda expression like _=> expr mean? 5 Answers 5 ...
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Is it safe to push_back an element from the same vector?

If the second push_back causes a reallocation, the reference to the first integer in the vector will no longer be valid. So this isn't safe? ...
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Convert decimal to binary in python [duplicate]

...inary equivalent? I am able to convert binary to decimal using int('[binary_value]',2), so any way to do the reverse without writing the code to do it myself? ...
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How can I dynamically add a directive in AngularJS?

...<test text='n'></test>" )( $scope ); $element.parent().append( el ); }; } }; }); You'll notice I refactored your directive too in order to follow some best practices. Let me know if you have questions about any of those. ...