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Python matplotlib multiple bars
...),
datetime.datetime(2011, 1, 5, 0, 0),
datetime.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=...
How to use a decimal range() step value?
...>> np.linspace(0,1,11)
array([ 0. , 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1. ])
>>> np.linspace(0,1,10,endpoint=False)
array([ 0. , 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9])
If you really want to use a floating-point step value, you can, with numpy.aran...
Ignore invalid self-signed ssl certificate in node.js with https.request?
...
628
Cheap and insecure answer:
Add
process.env["NODE_TLS_REJECT_UNAUTHORIZED"] = 0;
in code, b...
Why are hexadecimal numbers prefixed with 0x?
...specify the number base: the x is an arbitrary choice.
Long story: In the 60's, the prevalent programming number systems were decimal and octal — mainframes had 12, 24 or 36 bits per byte, which is nicely divisible by 3 = log2(8).
The BCPL language used the syntax 8 1234 for octal numbers. When ...
indexOf method in an object array?
...
1096
I think you can solve it in one line using the map function:
pos = myArray.map(function(e) { re...
Does SVG support embedding of bitmap images?
...ge
width="100" height="100"
xlink:href="data:image/png;base64,IMAGE_DATA"
/>
...
</svg>
The svg element attribute xmlns:xlink declares xlink as a namespace prefix and says where the definition is. That then allows the SVG reader to know what xlink:href means.
Th...
How to return an empty ActiveRecord relation?
...
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edited Nov 9 '16 at 2:25
Patrick Brinich-Langlois
1,2301414 silver badges2626 bronze badges
a...
Most popular screen sizes/resolutions on Android phones [closed]
...
61
You can see the resolutions for those categories in the Table 2, in this section: http://develo...
Spring Boot application as a Service
... chadchad
2,40411 gold badge1818 silver badges66 bronze badges
1
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How can I create a simple message box in Python?
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262
You could use an import and single line code like this:
import ctypes # An included library w...