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Django - How to rename a model field using South?
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You can use the db.rename_column function.
class Migration:
def forwards(self, orm):
# Rename 'name' field to 'full_name'
db.rename_column('app_foo', 'name', 'full_name')
def backwards(self, orm)...
Adding a UILabel to a UIToolbar
I'm trying to add a label to my toolbar. Button works great, however when I add the label object, it crashes. Any ideas?
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Usage of @see in JavaDoc?
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Yeah, it is quite vague.
You should use it whenever for readers of the documentation of your method it may be useful to also look at some other method. If the documentation of your methodA says "Works like methodB but ...", ...
Refresh all files in buffer from disk in vim
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Read the documentation for bufdo, it should do what you want.
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Gradients in Internet Explorer 9
Does anyone know the vendor prefix for gradients within IE9 or are we still supposed to still be using their proprietry filters?
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Batch file to copy directories recursively
Is there a way to copy directories recursively inside a .bat file?
If so, an example would be great. thanks.
3 Answers
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Difference between single and double square brackets in Bash
...tests.
Double [[]] are an extension to the standard [] and are supported by bash and other shells (e.g. zsh, ksh). They support extra operations (as well as the standard posix operations). For example: || instead of -o and regex matching with =~. A fuller list of differences can be found in the bas...
Numpy array assignment with copy
For example, if we have a numpy array A , and we want a numpy array B with the same elements.
3 Answers
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How to plot multiple functions on the same figure, in Matplotlib?
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To plot multiple graphs on the same figure you will have to do:
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, 'r') # plotting t, a separately
plt.plot(t, b, 'b') # pl...
How to automatically install Emacs packages by specifying a list of package names?
I am using package to manage my Emacs extensions. In order to synchronize my Emacs settings on different computers, I'd like a way to specify a list of package names in .emacs file and then package could automatically search and install the packages, so that I don't need to install them manual...