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RuntimeWarning: invalid value encountered in divide
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How to convert 1 to true or 0 to false upon model fetch
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How to put individual tags for a scatter plot
... as np
import matplotlib.pyplot as plt
N = 10
data = np.random.random((N, 4))
labels = ['point{0}'.format(i) for i in range(N)]
plt.subplots_adjust(bottom = 0.1)
plt.scatter(
data[:, 0], data[:, 1], marker='o', c=data[:, 2], s=data[:, 3] * 1500,
cmap=plt.get_cmap('Spectral'))
for label, x...
What does the constant 0.0039215689 represent?
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answered Mar 24 '14 at 21:51
MysticialMysticial
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Using async/await for multiple tasks
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int[] ids = new[] { 1, 2, 3, 4, 5 };
Parallel.ForEach(ids, i => DoSomething(1, i, blogClient).Wait());
Although you run the operations in parallel with the above code, this code blocks each thread that each operation runs on. For example, if the net...
How to catch integer(0)?
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164
That is R's way of printing a zero length vector (an integer one), so you could test for a being...
Stream.Seek(0, SeekOrigin.Begin) or Position = 0
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https://referencesource.microsoft.com/#mscorlib/system/io/memorystream.cs,482
The cost is almost identical (3 ifs and some arithmetics). However this is only true for jumping to absolute offsets like Position = 0 and not relative offsets like Position += 0, in which case Seek seems slightly bette...
How to scale SVG image to fill browser window?
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answered Apr 13 '11 at 4:33
PhrogzPhrogz
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leading zeros in rails
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edited Jun 29 '15 at 20:49
Joshua Pinter
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a...
How to check whether a pandas DataFrame is empty?
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aIKidaIKid
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