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Understanding the difference between __getattr__ and __getattribute__
... first.
With objects, you need to deal with its attributes. Ordinarily we do instance.attribute. Sometimes we need more control (when we do not know the name of the attribute in advance).
For example, instance.attribute would become getattr(instance, attribute_name). Using this model, we can get...
What goes into your .gitignore if you're using CocoaPods?
I've been doing iOS development for a couple of months now and just learned of the promising CocoaPods library for dependency management.
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What is “entropy and information gain”?
...ome example features include: first/last letter, length, number of vowels, does it end with a vowel, etc.. So after feature extraction, our data looks like:
# name ends-vowel num-vowels length gender
# ------------------------------------------------
Ashley 1 3 6 ...
What is the use of the ArraySegment class?
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IList<T>
ICollection<T>
IEnumerable<T>
IEnumerable
IReadOnlyList<T>
IReadOnlyCollection<T>
as opposed to the .NET 4 version which implemented no interfaces whatsoever.
The class is now able to take part in the wonderful world of LINQ so we can do the usual LINQ thi...
What is referential transparency?
What does the term referential transparency mean? I've heard it described as "it means you can replace equals with equals" but this seems like an inadequate explanation.
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Calling Objective-C method from C++ member function?
...ge:GL_RENDERBUFFER fromDrawable:(CAEAGLLayer*)self.layer]; which I cannot do in C++ syntax.
9 Answers
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Cannot refer to a non-final variable inside an inner class defined in a different method
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Java doesn't support true closures, even though using an anonymous class like you are using here (new TimerTask() { ... }) looks like a kind of closure.
edit - See the comments below - the following is not a correct explanation, ...
Debugging WebSocket in Google Chrome
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Would you know how to use Wireshark to do this? I've never really used it, and it appears to show all network traffic, and shows raw packets.
– mellowsoon
Apr 27 '11 at 14:11
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Check if EditText is empty. [closed]
...d for checking all the 5 EditTexts if they are null. Is there any way to do this??
30 Answers
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How to remove all subviews of a view in Swift?
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EDIT: (thanks Jeremiah / Rollo)
By far the best way to do this in Swift for iOS is:
view.subviews.forEach({ $0.removeFromSuperview() }) // this gets things done
view.subviews.map({ $0.removeFromSuperview() }) // this returns modified array
^^ These features are fun!
let funTi...