大约有 47,000 项符合查询结果（耗时：0.0812秒） [XML]
How to avoid warning when introducing NAs by coercion
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142
Use suppressWarnings():
suppressWarnings(as.numeric(c("1", "2", "X")))
[1] 1 2 NA
This supp...
Matplotlib different size subplots
...ort matplotlib.pyplot as plt
# generate some data
x = np.arange(0, 10, 0.2)
y = np.sin(x)
# plot it
f, (a0, a1) = plt.subplots(1, 2, gridspec_kw={'width_ratios': [3, 1]})
a0.plot(x, y)
a1.plot(y, x)
f.tight_layout()
f.savefig('grid_figure.pdf')
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Gradient of n colors ranging from color 1 and color 2
I often work with ggplot2 that makes gradients nice ( click here for an example ). I have a need to work in base and I think scales can be used there to create color gradients as well but I'm severely off the mark on how. The basic goal is generate a palette of n colors that ranges from x colo...
Is there a better way to iterate over two lists, getting one element from each list for each iterati
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264
This is as pythonic as you can get:
for lat, long in zip(Latitudes, Longitudes):
print la...
LaTeX Optional Arguments
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Example from the guide:
\newcommand{\example}[2][YYY]{Mandatory arg: #2;
Optional arg: #1.}
This defines \example to be a command with two arguments,
referred to as #1 and #2 in the {<definition>}--nothing new so far.
But by addi...
Generate array of all letters and digits
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answered Jan 31 '11 at 1:26
NakilonNakilon
31.1k1212 gold badges9494 silver badges125125 bronze badges
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Name of this month (Date.today.month as name)
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edited Jan 23 '15 at 23:15
answered Jan 30 '11 at 17:18
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Adding a new array element to a JSON object
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242
JSON is just a notation; to make the change you want parse it so you can apply the changes to ...
import module from string variable
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288
The __import__ function can be a bit hard to understand.
If you change
i = __import__('matp...
Difference between a Seq and a List in Scala
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answered Jun 2 '12 at 23:48
Daniel C. SobralDaniel C. Sobral
280k8282 gold badges469469 silver badges666666 bronze badges
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