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Is there more to an interface than having the correct methods

...happens when more than one parallel superclass implement the same method?, etc.) Along come interfaces... If we make Animal and Vegetable classes, with each implementing Growable, we can declare that our Cow is Animal and our Corn is Vegetable. We can also declare that both Animal and Vegetable a...
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Conditionally start at different places in storyboard from AppDelegate

...CustomViewController"]; // now configure the controller with a model, etc. self.window.rootViewController = controller; return YES; } The string passed to instantiateViewControllerWithIdentifier refers to the Storyboard ID, which can be set in interface builder: Just wrap this in...
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Embed SVG in SVG?

...g JavaScript to set the href attribute, you do not need to escape the < etc. characters.) – Phrogz Feb 2 '15 at 4:15 ...
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How to update a git clone --mirror?

...us Skog: Great. Thanks! Is this all? Do I need another commmand, like git fetch? Or git remote update alone will do it all? – J. Bruni May 27 '11 at 11:40 ...
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How to keep onItemSelected from firing off on a newly instantiated Spinner?

...uld be run from one of the main thread methods e.g. onCreate(), onResume() etc. In that case, its a fantastic trick, with no danger of race condition. I normally use this trick in onCreate() just after the layout code. – Richard Le Mesurier Aug 14 '13 at 9:30 ...
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Multiline Comment Workarounds?

...any prospects for multiline comments, whether it is a philosophical thing, etc.? – HamiltonUlmer Aug 6 '09 at 21:56 1 ...
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How do I compute derivative using Numpy?

... empty, data isn't sorted against x or when sorted isn't a valid function, etc. It's possible scipy is calling numpy incorrectly, but very unlikely. Check x.shape and y.shape. See if np.interp() works - it may provide a more helpful error if not. – flutefreak7 ...
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getExtractedText on inactive InputConnection warning on android

...ng the button or presses the button when the app is under sufficient load, etc. Fortunately, I found another way to clear text: Editable.clear(). With this I don't get warnings at all: if (editText.length() > 0) { editText.getText().clear(); } Note that should you wish to clear all input ...
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How can I make an “are you sure” prompt in a Windows batchfile?

...details on IF comparison operators see Symbol equivalent to NEQ, LSS, GTR, etc. in Windows batch files. The command goto :EOF requires enabled command extensions to really exit batch file processing. For more details see Where does GOTO :EOF return to? For understanding the used commands and how t...
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Deleting a resource using http DELETE

...the following request, what should happen the second (or third, or fourth, etc...)? 4 Answers ...