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Check if an apt-get package is installed and then install it if it's not on Linux
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317
To check if packagename was installed, type:
dpkg -s <packagename>
You can also use dp...
Short description of the scoping rules?
...t-in names module: open, range, SyntaxError, etc
So, in the case of
code1
class Foo:
code2
def spam():
code3
for code4:
code5
x()
The for loop does not have its own namespace. In LEGB order, the scopes would be
L: Local in def spam (in code3, c...
Rearrange columns using cut
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152
For the cut(1) man page:
Use one, and only one of -b, -c or -f. Each LIST is made up o...
How do I delete an item or object from an array using ng-click?
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11 Answers
11
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Copying text to the clipboard using Java
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edited Oct 30 '19 at 19:47
Denis Abakumov
8055 bronze badges
answered Jul 15 '11 at 21:23
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How to include (source) R script in other scripts
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edited Sep 11 '15 at 8:03
Roman
1,79722 gold badges1515 silver badges3737 bronze badges
a...
Python Matplotlib Y-Axis ticks on Right Side of Plot
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196
Use ax.yaxis.tick_right()
for example:
from matplotlib import pyplot as plt
f = plt.figure(...
How to avoid the “divide by zero” error in SQL?
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19 Answers
19
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Matplotlib transparent line plots
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261
Plain and simple:
plt.plot(x, y, 'r-', alpha=0.7)
(I know I add nothing new, but the straight...