大约有 45,200 项符合查询结果（耗时：0.0434秒） [XML]
Does a `+` in a URL scheme/host/path represent a space?
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Andrew Tobilko
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answered Jun 17 '09 at 9:43
StoborStobor
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Why is GHC so large/big?
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edited Feb 1 '11 at 20:04
answered Feb 1 '11 at 19:48
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scala vs java, performance and memory? [closed]
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263
Scala makes it very easy to use enormous amounts of memory without realizing it. This is usua...
How do I clear only a few specific objects from the workspace?
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250
You'll find the answer by typing ?rm
rm(data_1, data_2, data_3)
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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...
Counting DISTINCT over multiple columns
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edited Jul 27 '16 at 19:18
Devil's Advocate
14.8k2828 gold badges9696 silver badges179179 bronze badges
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Retina displays, high-res background images
...to match the original dimensions:
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {
.box{
background:url('images/box-bg@2x.png') no-repeat top left;
background-size: 200px 200px;
}
}
EDIT
To add a little more to this answer, here is the retina de...
Access POST values in Symfony2 request object
...question, but I can't find the answer anywhere. In a controller in Symfony2, I want to access the POST value from one of my forms. In the controller I have:
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Proper way to use **kwargs in Python
...a default value to get() for keys that are not in the dictionary:
self.val2 = kwargs.get('val2',"default value")
However, if you plan on using a particular argument with a particular default value, why not use named arguments in the first place?
def __init__(self, val2="default value", **kwargs)...
What is sys.maxint in Python 3?
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martineau
90.1k1919 gold badges124124 silver badges230230 bronze badges
answered Dec 10 '12 at 5:58
Diego BaschDiego Basch
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