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Simple and fast method to compare images for similarity
... contribute an img_hash module to opencv_contrib, you can find the details from this link.
img_hash module provide six image hash algorithms, quite easy to use.
Codes example
origin lena
blur lena
resize lena
shift lena
#include <opencv2/core.hpp>
#include <opencv2/core/ocl.hpp>
...
Multiple line code example in Javadoc comment
...following:
usage of old <code> - tag to prevent the curly brackets from being interpreted
usage of "new" {@code ...} - tag to get the generics included in the output
escaping of the @ sign in @Override via "{@literal @}Override" because javadoc generator "tilts" there due to the fact that th...
How to disable / enable dialog negative positive buttons?
...m not sure how I am going to set the positivebutton to disable or enable from that listener? What is the reference for the positive and negative buttons?
...
How to use subprocess popen Python
...
subprocess.Popen takes a list of arguments:
from subprocess import Popen, PIPE
process = Popen(['swfdump', '/tmp/filename.swf', '-d'], stdout=PIPE, stderr=PIPE)
stdout, stderr = process.communicate()
There's even a section of the documentation devoted to helping use...
Can I add extension methods to an existing static class?
...h. Should the "container" actually be responsible for interpreting itself from the configuration file? Normally I simply have ConfigurationSectionHandler and cast the output from ConfigurationManager to the appropriate class and don't bother with the wrapper.
– tvanfosson
...
Is there a way that I can check if a data attribute exists?
...
In the interest of providing a different answer from the ones above; you could check it with Object.hasOwnProperty(...) like this:
if( $("#dataTable").data().hasOwnProperty("timer") ){
// the data-time property exists, now do you business! .....
}
alternatively, ...
Trying to start a service on boot on Android
...rvice.class);
context.startService(startServiceIntent);
}
}
From the original question:
it's not clear if the <receiver> element was in the <application> element
it's not clear if the correct fully-qualified (or relative) class name for the BroadcastReceiver was specifie...
How to install Python package from GitHub? [duplicate]
...
To install Python package from github, you need to clone that repository.
git clone https://github.com/jkbr/httpie.git
Then just run the setup.py file from that directory,
sudo python setup.py install
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No module named pkg_resources
... Then I used easy_install pip to get pip working again. My problem arose from Cygwin upgrading Python from 2.6 to 2.7 behind my back while installing something unrelated.
– Steve Pitchers
Mar 21 '13 at 9:27
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How can I save an image with PIL?
...for doing the conversion for proper visualization:
import sys
import numpy
from PIL import Image
img = Image.open(sys.argv[1]).convert('L')
im = numpy.array(img)
fft_mag = numpy.abs(numpy.fft.fftshift(numpy.fft.fft2(im)))
visual = numpy.log(fft_mag)
visual = (visual - visual.min()) / (visual.max(...