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How can I get nth element from a list?
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Look here, the operator used is !!.
I.e. [1,2,3]!!1 gives you 2, since lists are 0-indexed.
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Format number to 2 decimal places
I would like to know how can I output a number with 2 decimal places, without rounding the original number.
6 Answers
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Converting integer to binary in python
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TrebledJ
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answered May 2 '12 at 9:32
eumiroeumiro
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Moving matplotlib legend outside of the axis makes it cutoff by the figure box
...plotlib.pyplot as plt
import numpy as np
plt.gcf().clear()
x = np.arange(-2*np.pi, 2*np.pi, 0.1)
fig = plt.figure(1)
ax = fig.add_subplot(111)
ax.plot(x, np.sin(x), label='Sine')
ax.plot(x, np.cos(x), label='Cosine')
ax.plot(x, np.arctan(x), label='Inverse tan')
handles, labels = ax.get_legend_hand...
Select first 4 rows of a data.frame in R
...et the rows 5 to 7?
– Bustergun
May 21 '18 at 9:38
You can use the "index" answer pointed out elsewhere. In this situa...
fork() branches more than expected?
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245
The fork() primitive often stretches the imagination. Until you get a feel for it, you should...
How to loop through all but the last item of a list?
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324
for x in y[:-1]
If y is a generator, then the above will not work.
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How can I delete one element from an array by value
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I think I've figured it out:
a = [3, 2, 4, 6, 3, 8]
a.delete(3)
#=> 3
a
#=> [2, 4, 6, 8]
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How would I get a cron job to run every 30 minutes?
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edited Sep 27 '11 at 13:45
Tim Cooper
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