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Days between two dates? [duplicate]
...er of days:
>>> from datetime import date
>>> a = date(2011,11,24)
>>> b = date(2011,11,17)
>>> a-b
datetime.timedelta(7)
>>> (a-b).days
7
And it works with datetimes too — I think it rounds down to the nearest day:
>>> from datetime import...
How to identify numpy types in python?
... numpy enough type?
– panda-34
Mar 10 '16 at 13:02
If you want anything in numpy.* you just walk the parent package of...
Java optional parameters
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edited May 20 '11 at 10:27
WarFox
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Converting NumPy array into Python List structure?
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answered Dec 27 '09 at 15:31
Peter HansenPeter Hansen
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Java 8: performance of Streams vs Collections
...Vanilla.N)
public class StreamVsVanilla {
public static final int N = 10000;
static List<Integer> sourceList = new ArrayList<>();
static {
for (int i = 0; i < N; i++) {
sourceList.add(i);
}
}
@Benchmark
public List<Double> va...
Algorithm to generate all possible permutations of a list?
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answered Apr 26 '10 at 1:53
WhirlWindWhirlWind
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How to “EXPIRE” the “HSET” child key in redis?
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edited Oct 3 '18 at 9:10
Erik Rothoff
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answere...
Reduce left and right margins in matplotlib plot
...E.g.
import matplotlib.pyplot as plt
import numpy as np
data = np.arange(3000).reshape((100,30))
plt.imshow(data)
plt.savefig('test.png', bbox_inches='tight')
Another way is to use fig.tight_layout()
import matplotlib.pyplot as plt
import numpy as np
xs = np.linspace(0, 1, 20); ys = np.sin(xs)
...
How do you calculate the average of a set of circular data? [closed]
...
102
Compute unit vectors from the angles and take the angle of their average.
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How to clear the canvas for redrawing
...
const context = canvas.getContext('2d');
context.clearRect(0, 0, canvas.width, canvas.height);
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