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How can I quantify difference between two images?
...rence:
$ python compare.py one.jpg one-blurred.jpg
Manhattan norm: 92605183.67 / per pixel: 13.4210411116
Zero norm: 6900000 / per pixel: 1.0
P.S. Entire compare.py script.
Update: relevant techniques
As the question is about a video sequence, where frames are likely to be almost the same, and...
When is JavaScript synchronous?
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283
JavaScript is always synchronous and single-threaded. If you're executing a JavaScript block of...
How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
...imeFaces <= 7.x) or <p:fileUpload listener> (for PrimeFaces >= 8.x)
So, if you want (auto) file upload with ajax support (mind the <h:head>!):
<h:form enctype="multipart/form-data">
<p:fileUpload fileUploadListener="#{bean.upload}" auto="true" /> // for PrimeFac...
How to avoid isset() and empty()
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128
For those interested, I have expanded this topic into a small article, which provides the below ...
What's the difference between unit, functional, acceptance, and integration tests? [closed]
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How to cast List to List
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irreputableirreputable
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How to disable a particular checkstyle rule for a particular line of code?
... Per Lundberg
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answered Oct 26 '10 at 11:52
Chris KnightChris Knight
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Explain the use of a bit vector for determining if all characters are unique
...nces between them:
Size. int has fixed size, usually 4 bytes which means 8*4=32 bits (flags). Bit vector usually can be of different size or you should specify the size in constructor.
API. With bit vectors you will have easier to read code, probably something like this:
vector.SetFlag(4, true); ...
Renaming columns in pandas
...iroeumiro
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317
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Get class name of object as string in Swift
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edited Feb 19 '18 at 22:42
answered Jan 19 '16 at 13:36
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