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Python: Select subset from list based on index set
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answered Jul 5 '10 at 11:32
kennytmkennytm
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delete map[key] in go?
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coolaj86
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answered Nov 15 '09 at 1:22
user181548user...
Plot smooth line with PyPlot
...o smooth out your data yourself:
from scipy.interpolate import spline
# 300 represents number of points to make between T.min and 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 scipy 0....
Bash script to calculate time elapsed
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10 Answers
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Get String in YYYYMMDD format from JS date object?
... this.getDate();
return [this.getFullYear(),
(mm>9 ? '' : '0') + mm,
(dd>9 ? '' : '0') + dd
].join('');
};
var date = new Date();
date.yyyymmdd();
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imp...
Concatenating two one-dimensional NumPy arrays
...ents.
From the NumPy documentation:
numpy.concatenate((a1, a2, ...), axis=0)
Join a sequence of arrays together.
It was trying to interpret your b as the axis parameter, which is why it complained it couldn't convert it into a scalar.
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Explain the use of a bit vector for determining if all characters are unique
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103
int checker is used here as a storage for bits. Every bit in integer value can be treated as a ...
How to sort a file, based on its numerical values for a field?
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150
Take a peek at the man page for sort...
-n, --numeric-sort
compare according to s...
Efficient way to insert a number into a sorted array of numbers?
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Just as a single data point, for kicks I tested this out inserting 1000 random elements into an array of 100,000 pre-sorted numbers using the two methods using Chrome on Windows 7:
First Method:
~54 milliseconds
Second Method:
~57 seconds
So, at least on this setup, the native method doesn...
What's the best way to get the last element of an array without deleting it?
... share my findings with you, benchmarked against PHP versions 5.6.38, 7.2.10 and 7.3.0RC1 (expected Dec 13 2018).
The options (<<option code>>s) I will test are:
option .1. $x = array_values(array_slice($array, -1))[0]; (as suggested by rolacja)
option .2. $x = array_slice($array, -1)...