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How to find out what type of a Mat object is with Mat::type() in OpenCV

I am kind of confused with type() method of Mat object in OpenCV. If I have following lines: 6 Answers ...
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Is an anchor tag without the href attribute safe?

... In HTML5, using an a element without an href attribute is valid. It is considered to be a "placeholder hyperlink." Example: <a>previous</a> Look for "placeholder hyperlink" on the w3c anchor tag reference page: https://www.w3.org/TR...
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How do I enable language extensions from within GHCi?

...t tab completion for available extensions, which is handy when you can't remember where they decided to use abbreviations ("MultiParam") or acronyms ("GADT") rather than spelling things out in full ("MonomorphismRestriction")... – C. A. McCann Sep 25 '12 at 14:...
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Cropping an UIImage

I've got some code that resizes an image so I can get a scaled chunk of the center of the image - I use this to take a UIImage and return a small, square representation of an image, similar to what's seen in the album view of the Photos app. (I know I could use a UIImageView and adjust the crop ...
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cancelling queued performSelector:afterDelay calls

...ossible to cancel already queued selector events from the event stack or timer stack (or whatever mechanism it is that is utilized by the API) when you call performSelector:withObject:afterDelay ? ...
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Setting Access-Control-Allow-Origin in ASP.Net MVC - simplest possible method

I have a simple actionmethod, that returns some json. It runs on ajax.example.com. I need to access this from another site someothersite.com. ...
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How to take column-slices of dataframe in pandas

I load some machine learning data from a CSV file. The first 2 columns are observations and the remaining columns are features. ...
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Cross-Domain Cookies

...ly possible to get the cookie from domain1.com by domain2.com. I had the same problem for a social plugin of my social network, and after a day of research I found the solution. First, on the server side you need to have the following headers: header("Access-Control-Allow-Origin: http://origin.dom...
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javascript: pause setTimeout();

If I have an active timeout running that was set through var t = setTimeout("dosomething()", 5000) , 17 Answers ...
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builtins.TypeError: must be str, not bytes

... Works for me in gzip for python3 too! json.load(gzip.open('file.json.gz')) fails, and json.load(gzip.open('file.json.gz', 'rt')) succeeds! – hobs Nov 18 '16 at 19:24 ...