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What is the fastest way to check if a class has a function defined?

... 213 Yes, use getattr() to get the attribute, and callable() to verify it is a method: invert_op = g...
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How to smooth a curve in the right way?

...) y = np.sin(x) + np.random.random(100) * 0.2 yhat = savitzky_golay(y, 51, 3) # window size 51, polynomial order 3 plt.plot(x,y) plt.plot(x,yhat, color='red') plt.show() UPDATE: It has come to my attention that the cookbook example I linked to has been taken down. Fortunately, the Savitzky-Gola...
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Is right click a Javascript event?

...irefox), WebKit (Safari/Chrome) & Opera isRightMB = e.which == 3; else if ("button" in e) // IE, Opera isRightMB = e.button == 2; alert("Right mouse button " + (isRightMB ? "" : " was not") + "clicked!"); } window.oncontextmenu - MDC ...
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How can I safely create a nested directory?

... On Python ≥ 3.5, use pathlib.Path.mkdir: from pathlib import Path Path("/my/directory").mkdir(parents=True, exist_ok=True) For older versions of Python, I see two answers with good qualities, each with a small flaw, so I will give my ...
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What is the correct syntax for 'else if'?

I'm a new Python programmer who is making the leap from 2.6.4 to 3.1.1. Everything has gone fine until I tried to use the 'else if' statement. The interpreter gives me a syntax error after the 'if' in 'else if' for a reason I can't seem to figure out. ...
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Sum a list of numbers in Python

I have a list of numbers such as [1,2,3,4,5...] , and I want to calculate (1+2)/2 and for the second, (2+3)/2 and the third, (3+4)/2 , and so on. How can I do that? ...
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An algorithm for inflating/deflating (offsetting, buffering) polygons

... Bernhard Barker 49.5k1313 gold badges7777 silver badges118118 bronze badges answered Oct 30 '11 at 19:52 Angus JohnsonAngus...
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Android Studio: Default project directory

... answered Jul 30 '13 at 12:43 Rik MartinsRik Martins 97577 silver badges44 bronze badges ...
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Are PHP functions case sensitive?

... | edited Dec 29 '14 at 23:03 Community♦ 111 silver badge answered Apr 13 '11 at 1:41 ...
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How to return PDF to browser in MVC?

... answered Oct 2 '09 at 16:13 GeoffGeoff 4,37233 gold badges2424 silver badges3838 bronze badges ...