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Simple and fast method to compare images for similarity
...a few methods on top of my head that could possibly help you:
Simple euclidean distance as mentioned by @carlosdc (doesn't work with transformed images and you need a threshold).
(Normalized) Cross Correlation - a simple metrics which you can use for comparison of image areas. It's more robust tha...
How do I iterate through each element in an n-dimensional matrix in MATLAB?
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The idea of a linear index for arrays in matlab is an important one. An array in MATLAB is really just a vector of elements, strung out in memory. MATLAB allows you to use either a row and column index, or a single linear index. ...
How do I use the conditional operator (? :) in Ruby?
...ome judicious additions of whitespace. This is untested but you'll get the idea:
<% question = (question.size > 20) ? question.question.slice(0, 20) + "..." \
: question.question
%>
Or, more written more idiomatically:
<% question = if (question.si...
dyld: Library not loaded: /usr/local/lib/libpng16.16.dylib with anything php related
...
I followed the above (never a bad idea to keep up to date with brew anyhow) and still had the same exact issue:
LAPTOP:folder Username$ php -v
dyld: Library not loaded: /usr/local/lib/libpng15.15.dylib
Referenced from: /usr/local/bin/php
Reason: image no...
Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
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Now this is really cool. I had no idea there is true or false operator.
– IllidanS4 wants Monica back
May 4 '13 at 21:49
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Using a dispatch_once singleton model in Swift
...wer, however I need to access this (Singleton) from Interface Builder. Any idea on how could I access this tpScopeManagerSharedInstance from within IB?. Thanks.-
– Luis Palacios
Jul 20 '14 at 12:08
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Regular expression to match balanced parentheses
...r on unbalanced parenthesis drop the + quantifier.
Java: An interesting idea using forward references by @jaytea.
Reference - What does this regex mean?
rexegg.com - Recursive Regular Expressions
Regular-Expressions.info - Regular Expression Recursion
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AngularJS: how to implement a simple file upload with multipart form?
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AFAIK FormData doesn't work with IE. maybe its a better idea to do base64 encoding of the image file and send it in JSON? how can I bind to a input type="file" with AngularJS to get the chosen file path ?
– Gal Ben-Haim
Dec 20 '12 at 8:33
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JPA EntityManager: Why use persist() over merge()?
... Makes sense since you assign the IDs and the JPA container has no idea where you got that from. There is a (small) chance that the object already exists in the database, for example in a scenario where several applications write to the same database.
– Aaron Digulla
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How to enable Bootstrap tooltip on disabled button?
... $(this).addClass("disabled").attr("rel", "tooltip");
}
});
The idea is to add the tooltip to a parent element with the selector option, and then add/remove the rel attribute when enabling/disabling the button.
sh...