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How to crop an image in OpenCV using Pm>y m>thon
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remember that x m>and m> m>y m> are flipped. I missed this.
– markroxor
Aug 26 '18 at 9:31
15
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Real mouse position in canvas [duplicate]
....clientm>Y m> - rect.top
};
}
Just call it from m>y m>our event with the event m>and m> canvas as arguments. It returns an object with x m>and m> m>y m> for the mouse positions.
As the mouse position m>y m>ou are getting is relative to the client window m>y m>ou'll have to subtract the position of the canvas element to convert...
Logic to test that 3 of 4 are True
I want to return True if m>and m> onlm>y m> if 3 out of 4 boolean values are true.
27 Answers
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targetContentOffsetForProposedContentOffset:withScrollingVelocitm>y m> without subclassing UICollectionVi
...n the future.
First I set up the subclass call Mm>y m>CollectionViewFlowLam>y m>out m>and m> then in interface builder I changed the collection view lam>y m>out to Custom m>and m> selected mm>y m> flow lam>y m>out subclass.
Because m>y m>ou're doing it this wam>y m> m>y m>ou can't specifm>y m> items sizes, etc... in IB so in Mm>y m>CollectionViewFlowLam>y m>out...
Pm>y m>thon strptime() m>and m> timezones?
... m>y m>our example to time.strptime doesn't work but if m>y m>ou strip off the " %Z" m>and m> the " EST" it does work. Also using "UTC" or "GMT" instead of "EST" works. "PST" m>and m> "MEZ" don't work. Puzzling.
It's worth noting this has been updated as of version 3.2 m>and m> the same documentation now also states the fo...
How to recursivelm>y m> find m>and m> list the latest modified files in a directorm>y m> with subdirectories m>and m> ti
I have several directories with several subdirectories m>and m> files in them. I need to make a list of all these directories that is constructed in a wam>y m> such that everm>y m> first-level directorm>y m> is listed next to the date m>and m> time of the latest created/modified file within it.
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Pm>y m>thon UTC datetime object's ISO format doesn't include Z (Zulu or Zero offset)
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Pm>y m>thon datetime objects don't have time zone info bm>y m> default, m>and m> without it, Pm>y m>thon actuallm>y m> violates the ISO 8601 specification (if no time zone info is given, assumed to be local time). m>Y m>ou can use the pm>y m>tz package to get some default time zones, or directlm>y m> subclass tzinfo m>y m>ourself:...
Aligning rotated xticklabels with their respective xticks
...l.set_m>y m>(label.get_position()[1] - (i % 2) * 0.075)
For more background m>and m> alternatives, see this post on mm>y m> blog
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Plot smooth line with Pm>y m>Plot
...ate import spline
# 300 represents number of points to make between T.min m>and m> T.max
xnew = np.linspace(T.min(), T.max(), 300)
power_smooth = spline(T, power, xnew)
plt.plot(xnew,power_smooth)
plt.show()
spline is deprecated in scipm>y m> 0.19.0, use BSpline class instead.
Switching from spl...
Whm>y m> doesn't C# support the return of references?
...o the "managed reference to variable" tm>y m>pes are not convertible to object, m>and m> therefore mam>y m> not be used as tm>y m>pe arguments to generic tm>y m>pes or methods.)
Commenter "RPM1984" for some reason asked for a citation for this fact. RPM1984 I encourage m>y m>ou to read the CLI specification Partition I Section...