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How to implement the factory method pattern in C++ correctly
...only disadvantage is that it looks a bit verbose:
Vec2 v2(Vec2::Cartesian(3.0f, 4.0f));
But the good thing is that you can immediately see what coordinate type you're using, and at the same time you don't have to worry about copying. If you want copying, and it's expensive (as proven by profiling...
How do I know if a generator is empty from the start?
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23 Answers
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What are the differences between numpy arrays and matrices? Which one should I use?
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hashlash
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answered Apr 11 at 11:52
AksAks
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How do I read from parameters.yml in a controller in symfony2?
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Javier Eguiluz
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answered Dec 16 '12 at 12:26
Vitalii ZurianVit...
Rails check if yield :area is defined in content_for
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wintermeyer
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answered Mar 11 '10 at 22:05
gudleikgudleik
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Python matplotlib multiple bars
...ime.datetime(2011, 1, 6, 0, 0)
]
x = date2num(x)
y = [4, 9, 2]
z = [1, 2, 3]
k = [11, 12, 13]
ax = plt.subplot(111)
ax.bar(x-0.2, y, width=0.2, color='b', align='center')
ax.bar(x, z, width=0.2, color='g', align='center')
ax.bar(x+0.2, k, width=0.2, color='r', align='center')
ax.xaxis_date()
plt....
Check if event exists on element [duplicate]
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edited Oct 3 '09 at 23:08
answered Oct 3 '09 at 22:56
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Numpy - add row to array
... If it is a 2D-array, how can you then compare its row to a number: i < 3?
EDIT after OP's comment:
A = array([[0, 1, 2], [0, 2, 0]])
X = array([[0, 1, 2], [1, 2, 0], [2, 1, 2], [3, 2, 0]])
add to A all rows from X where the first element < 3:
import numpy as np
A = np.vstack((A, X[X[:,0]...
Android Studio needs JDK 7 for Android-L mac
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answered Jun 29 '14 at 12:03
megapoffmegapoff
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