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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>
...
Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
... note
We know that the standard says undefined behavior is unpredictable from the note that come with the definition which says:
[ Note: Undefined behavior may be expected when this International
Standard omits any explicit definition of behavior or when a program
uses an erroneous constru...
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...
Amazon S3 - HTTPS/SSL - Is it possible? [closed]
...
This is a response I got from their Premium Services
Hello,
This is actually a issue with the way SSL validates names containing a period, '.', > character. We've documented this behavior here:
http://docs.amazonwebservices.com/AmazonS3/latest/d...
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
...
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?
...
Regex using javascript to return just numbers
...
I guess you want to get number(s) from the string. In which case, you can use the following:
// Returns an array of numbers located in the string
function get_numbers(input) {
return input.match(/[0-9]+/g);
}
var first_test = get_numbers('something102')...
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, ...
Easy way to prevent Heroku idling?
...eature that will ping your site twice per minute, thus preventing the dyno from idling.
More or less the same solution as Jesse but maybe more integrated to Heroku... And with a few perks (performance monitoring is just great).
Note: to all those saying it doesn't work: the important part in ...
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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