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Will writeToFile:atomically: overwrite data?

Really simple question but it doesn't seem to be clear in Apple's docs. 2 Answers 2 ...
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Excluding directories in os.walk

I'm writing a script that descends into a directory tree (using os.walk()) and then visits each file matching a certain file extension. However, since some of the directory trees that my tool will be used on also contain sub directories that in turn contain a LOT of useless (for the purpose of thi...
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Friend declaration in C++ - difference between public and private

Is there a difference between declaring a friend function/class as private or public? I can't seem to find anything about this online. ...
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AWS Error Message: A conflicting conditional operation is currently in progress against this resourc

I'm getting this error intermittently. 7 Answers 7 ...
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Cordova: start specific iOS emulator image

I'm developing a cross-platform mobile app using Cordova, focussing mainly on iOS in the development stage. 10 Answers ...
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How to detect online/offline event cross-browser?

I'm trying to accurately detect when the browser goes offline, using the HTML5 online and offline events. 14 Answers ...
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KeyValuePair VS DictionaryEntry

... KeyValuePair<TKey,TValue> is used in place of DictionaryEntry because it is generified. The advantage of using a KeyValuePair<TKey,TValue> is that we can give the compiler more information about what is in our dictionary. To expand on Chris' example (...
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How to convert a negative number to positive?

How can I convert a negative number to positive in Python? (And keep a positive one.) 6 Answers ...
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Path.Combine absolute with relative path strings

I'm trying to join a Windows path with a relative path using Path.Combine . 7 Answers ...
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been

Using the HTML5 <canvas> element, I would like to load an image file (PNG, JPEG, etc.), draw it to the canvas completely transparently, and then fade it in. I have figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn. ...