大约有 45,000 项符合查询结果（耗时：0.0550秒） [XML]
Using a dictionary to count the items in a list [duplicate]
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280
in 2.7 and 3.1 there is special Counter dict for this purpose.
>>> from collections ...
Why is this program erroneously rejected by three C++ compilers?
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votes
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Best introduction to C++ template metaprogramming? [closed]
...Applications by Krzysztof Czarnecki and Ulrich W. Eisenecker, ISBN-13: 9780201309775; and chapter 17, "Metaprograms" of C++ Templates: The Complete Guide by David Vandevoorder and Nicolai M. Josuttis, ISBN-13: 9780201734843.
Todd Veldhuizen has an excellent tutorial here.
A good resource for ...
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...
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...
Change the maximum upload file size
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answered Feb 2 '10 at 14:05
user229044♦user229044
202k3535 gold badges298298 silver badges309309 bronze badges
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sed or awk: delete n lines following a pattern
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192
I'll have a go at this.
To delete 5 lines after a pattern (including the line with the pattern)...
Intellij IDEA Java classes not auto compiling on save
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253
UPDATED
For IntelliJ IDEA 12+ releases we can build automatically the edited sources if we ar...
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...