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Android: Generate random color on click?
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Random rnd = new Random();
paint.setARGB(255, rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256));
or
Random rnd = new Random();
int color = Color.argb(255, rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256));
view.setBackgroundColor(color);
Though in your case i...
Remove the legend on a matplotlib figure
....0rc4, a remove method has been added to the legend object.
Usage:
ax.get_legend().remove()
or
legend = ax.legend(...)
...
legend.remove()
See here for the commit where this was introduced.
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Error “can't use subversion command line client : svn” when opening android project checked out from
...svn command because it's not on PATH, and it doesn't know where svn is installed.
One way to fix is to edit the PATH environment variable: add the directory that contains svn.exe. You will need to restart Android Studio to make it re-read the PATH variable.
Another way is to set the absolute path ...
After submitting a POST form open a new window showing the result
...
Add
<form target="_blank" ...></form>
or
form.setAttribute("target", "_blank");
to your form's definition.
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Programmatically saving image to Django ImageField
...import File # you need this somewhere
import urllib
# The following actually resides in a method of my model
result = urllib.urlretrieve(image_url) # image_url is a URL to an image
# self.photo is the ImageField
self.photo.save(
os.path.basename(self.url),
File(open(result[0], 'rb'))
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How do you plot bar charts in gnuplot?
...plications it's more convenient to use the histogram plotting style, especially for grouping and stacking values.
– Christoph
Feb 1 '15 at 14:18
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Switch statement fallthrough in C#?
Switch statement fallthrough is one of my personal major reasons for loving switch vs. if/else if constructs. An example is in order here:
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Browse and display files in a git repo without cloning
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The command you want is git ls-remote which allows you to get some information about remote repositories, but you cant show history or list directories or anything of that level: essentially it only lets you see the remote objects at a very high-level (you can see the ...
How to destroy an object?
... objects as soon as the page is served. So this should only be needed on really long loops and/or heavy intensive pages.
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How to Flatten a Multidimensional Array?
...ay($it, false) avoids the need for the foreach.
– Alix Axel
Feb 20 '13 at 14:17
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