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How to append contents of multiple files into one file
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Read a zipped file as a pandas DataFrame
...long form:
df = pd.read_csv('filename.zip', compression='zip', header=0, sep=',', quotechar='"')
Description of the compression argument from the docs:
compression : {‘infer’, ‘gzip’, ‘bz2’, ‘zip’, ‘xz’, None}, default ‘infer’
For on-the-fly decompression of on-d...
CSS to set A4 paper size
... the width of ~196mm and then scale the whole content up to the width of 210mm ~ but strangely exactly the same scaling factor is applied to contents with any width smaller than 210mm).
To fix this problem you can simply in the print media rule assign the A4 paper width and hight to html, body or di...
GraphViz - How to connect subgraphs?
...ue statement is required.
digraph G {
compound=true;
subgraph cluster0 {
a -> b;
a -> c;
b -> d;
c -> d;
}
subgraph cluster1 {
e -> g;
e -> f;
}
b -> f [lhead=cluster1];
d -> e;
c -> g [ltail=cluster0,lhead=cluster1];
c -> e [...
Algorithm to detect corners of paper sheet in photo
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John_West
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answered Jul 10 '11 at 22:47
Daniel CrowleyDani...
How can I increment a char?
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180
In Python 2.x, just use the ord and chr functions:
>>> ord('c')
99
>>> ord('c...
How to find out the number of CPUs using python
...thony Sottile
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answered Jun 17 '09 at 10:53
Nadia AlramliNadia Alramli
94...
C++ templates Turing-complete?
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110
Example
#include <iostream>
template <int N> struct Factorial
{
enum { val = F...
Matplotlib transparent line plots
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Plain and simple:
plt.plot(x, y, 'r-', alpha=0.7)
(I know I add nothing new, but the straightforward answer should be visible).
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Measuring text width to be drawn on Canvas ( Android )
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answered Jul 15 '10 at 16:02
Marc BernsteinMarc Bernstein
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