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How can I view the source code for a function?
... cl[other]
attr(x, "tsp") <- NULL
t(x)
}
<bytecode: 0x294e410>
<environment: namespace:stats>
The S4 method dispatch system
The S4 system is a newer method dispatch system and is an alternative to the S3 system. Here is an example of an S4 function:
> library(Matri...
List columns with indexes in PostgreSQL
... Valentin PodkamennyiValentin Podkamennyi
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Compute a confidence interval from sample data
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4 Answers
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make_unique and perfect forwarding
...l with the one given by the OP.
Edit: std::make_unique now is part of C++14.
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Are there any side effects of returning from inside a using() statement?
...h SingleOrDefault?
– erikkallen
Mar 4 '10 at 13:18
2
@erikkallen: LINQ doesn't have a "MaxBy", un...
When should I use the HashSet type?
...n item is a member.
Asking if you can retrieve a single element (e.g. set[45]) is misunderstanding the concept of the set. There's no such thing as the 45th element of a set. Items in a set have no ordering. The sets {1, 2, 3} and {2, 3, 1} are identical in every respect because they have the sa...
Why would you use Expression rather than Func?
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@bertl Actually, no. The delegate is not involved at all. The reason there's any association at all with a delegate is that you can compile...
Reverse colormap in matplotlib
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The standard colormaps also all have reversed versions. They have the same names with _r tacke...
How would I run an async Task method synchronously?
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How to calculate the time interval between two time strings
... a time object.
from datetime import datetime
s1 = '10:33:26'
s2 = '11:15:49' # for example
FMT = '%H:%M:%S'
tdelta = datetime.strptime(s2, FMT) - datetime.strptime(s1, FMT)
That gets you a timedelta object that contains the difference between the two times. You can do whatever you want with that...