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How can I split a string into segments of n characters?
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Is there a Python Library that contains a list of all the ascii characters?
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164
The string constants may be what you want. (docs)
>>> import string
>>> st...
Can the Unix list command 'ls' output numerical chmod permissions?
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it almost can ..
ls -l | awk '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/) \
*2^(8-i));if(k)printf("%0o ",k);print}'
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How are multi-dimensional arrays formatted in memory?
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147
A static two-dimensional array looks like an array of arrays - it's just laid out contiguously...
python plot normal distribution
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216
import matplotlib.pyplot as plt
import numpy as np
import scipy.stats as stats
import math
mu ...
Removing leading zeroes from a field in a SQL statement
...ove the leading zeroes from a particular field, which is a simple VARCHAR(10) field. So, for example, if the field contains '00001A', the SELECT statement needs to return the data as '1A'.
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Adding an arbitrary line to a matplotlib plot in ipython notebook
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185
You can directly plot the lines you want by feeding the plot command with the corresponding da...
Add single element to array in numpy
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append() creates a new array which can be the old array with the appended element.
I think it...
[] and {} vs list() and dict(), which is better?
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198
In terms of speed, it's no competition for empty lists/dicts:
>>> from timeit import...
Detail change after Git pull
...ing to master. You can refer to the previous position of master by master@{1} (or even master@{10.minutes.ago}; see the specifying revisions section of the git-rev-parse man page), so that you can do things like
See all of the changes: git diff master@{1} master
See the changes to a given file: gi...