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What's the difference between subprocess Popen and call (how can I use them)?
I want to call an external program from Python. I have used both Popen() and call() to do that.
2 Answers
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Having options in argparse with a dash
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The relevant Python bug report: bugs.python.org/issue15125. argparse uses setattr and getattr, so dest names do not have to be valid dot attribute names. The user can also use getattr.
– hpaulj
Nov...
How to create your own library for Android development to be used in every program you write?
... of an Android app. It has the form like below:
res/
src/
AndroidManifest.xml
pom.xml
project.properties
How to use on Eclipse:
Create new project in Eclipse. Give a name to your project. Select
"Create project from existing source". Select the location of the
root folder containing the above m...
Sass or Compass without ruby?
...her language. At this point, you can use the Sass engine in Ruby, Node.js, Python, PHP, Java, .NET and others. For more information, visit libSass. Also, your IDE might have a plugin which would support Sass, without the need of ruby by using the libSass.
The original answer below may or may not ap...
What is “vectorization”?
...UMPY(not sure of other else).
Numpy (package for scientific computing in python) , uses vectorization for speedy manipulation of n-dimensional array ,which generally is slower if done with in-built python options for handling arrays.
although tons of explanation are out there , HERE'S WHAT VECTOR...
How to save an activity state using save instance state?
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@Tom SharefPrefs data is written to xml file. Is xml a kind of database? I'd say it is ;)
– MaciejGórski
May 2 '13 at 10:35
add a comme...
Meaning of Choreographer messages in Logcat [duplicate]
...tuations.
In my case, it happened when I was inflating several views from XML layout files programmatically. The message is harmless by itself, but could be the sign of a later problem that would use all the RAM your App is allowed to use and cause the mega-evil Force Close to happen. I have grown...
Do I need a content-type header for HTTP GET requests?
...r, they have set their webservice up so that if you pass a content-type of xml they will then return xml rather than their JSON default. Which I think going forward is a great idea
share
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improve t...
How to plot multiple functions on the same figure, in Matplotlib?
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Perhaps a more pythonic way of doing so.
from numpy import *
import math
import matplotlib.pyplot as plt
t = linspace(0,2*math.pi,400)
a = sin(t)
b = cos(t)
c = a + b
plt.plot(t, a, t, b, t, c)
plt.show()
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How to automatically install Emacs packages by specifying a list of package names?
... magit magithub markdown-mode paredit projectile
python sass-mode rainbow-mode scss-mode solarized-theme
volatile-highlights yaml-mode yari yasnippet zenburn-theme)
"A list of packages to ensure are installed at launch.")
(defun prelude-packages-instal...