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Understanding Python's “is” operator
...nts True. x and y are two separate lists:
x[0] = 4
print(y) # prints [1, 2, 3]
print(x == y) # prints False
If you use the id() function you'll see that x and y have different identifiers:
>>> id(x)
4401064560
>>> id(y)
4401098192
but if you were to assign y to x then both...
Why should I avoid multiple inheritance in C++?
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Multiple inheritance (abbreviated as MI) smells, which means that usually, it was done for bad...
How can I check whether a option already exist in select by JQuery
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edited Nov 8 '12 at 22:12
VisioN
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cv2.imshow command doesn't work properly in opencv-python
I'm using opencv 2.4.2, python 2.7
The following simple code created a window of the correct name, but its content is just blank and doesn't show the image:
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ADO.NET DataRow - check for column existence
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Example: Communication between Activity and Service using Messaging
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answered Jan 22 '11 at 11:10
Christopher OrrChristopher Orr
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Recompile Heroku slug without push or config change
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Brad Koch
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answered Mar 16 '12 at 12:09
nmottnmott
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img src SVG changing the styles with CSS
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Will the Garbage Collector call IDisposable.Dispose for me?
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The .Net Garbage Collector calls the Object.Finalize method of an object on garbage collection....
Seeding the random number generator in Javascript
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edited May 23 '17 at 12:02
Community♦
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answered Feb 6 '09 at 17:42
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