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Counting DISTINCT over multiple columns
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edited Jul 27 '16 at 19:18
Devil's Advocate
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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...
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
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answered Dec 10 '12 at 5:58
Diego BaschDiego Basch
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How can I use swift in Terminal?
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edited Oct 21 '14 at 15:25
answered Jun 3 '14 at 9:34
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How to avoid circular imports in Python? [duplicate]
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rumpelrumpel
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Base64 length calculation?
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217
Each character is used to represent 6 bits (log2(64) = 6).
Therefore 4 chars are used to rep...
Is < faster than
... SF = OF
(etc...)
Example (Edited for brevity) Compiled with $ gcc -m32 -S -masm=intel test.c
if (a < b) {
// Do something 1
}
Compiles to:
mov eax, DWORD PTR [esp+24] ; a
cmp eax, DWORD PTR [esp+28] ; b
jge .L2 ;...