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Simple and fast method to compare images for similarity
...u can be sure to have precise alignment of your template (the icon) to the testing region, then any old sum of pixel differences will work.
If the alignment is only going to be a tiny bit off, then you can low-pass both images with cv::GaussianBlur before finding the sum of pixel differences.
If ...
Flask-SQLAlchemy how to delete all rows in a single table
...User.query.delete() as query object as 'BaseQuery' object is not callable. Tested and verified.
– Shirish Kadam
Jul 13 '19 at 23:29
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Using boolean values in C
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!a == !b is also sufficient for testing equality, non-zeros become zero, and zeros become one.
– ryanpattison
Jul 10 '15 at 14:30
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jQuery: checking if the value of a field is null (empty)
...ole.log('not empty');
}
<input id="person_data[document_type]" value="test" />
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How to JSON serialize sets?
... called again, this time with obj being a date object, so you just have to test for it and return a date-representation.
– jterrace
Nov 22 '11 at 17:08
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Why no generics in Go?
...4, 5, 6, 7, 8, 9})
PrintSlice([]string{"a", "b", "c", "d"})
}
You can test this example here https://go2goplay.golang.org/p/I09qwKNjxoq. This playground works just like the usual Go playground, but it supports generic code. See https://blog.golang.org/generics-next-step.
Parametric polymorphism...
How to check if object (variable) is defined in R?
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heh. Happens to me all the time when I am testing out examples before posting, Gavin or Josh have already answered it.
– Maiasaura
Feb 20 '12 at 22:17
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Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
... The file format is documented at docs.aws.amazon.com/elasticbeanstalk/latest/dg/…. The progress is logged at /var/log/cfn-init.log. In the logs you should see something like 2014-xx-xx xx:xx:xx,xxx [DEBUG] Writing content to /etc/nginx/conf.d/proxy.conf. I'm not sure, but it seemed like restart...
Storing C++ template function definitions in a .CPP file
...e file at first until I needed further instantiations elsewhere (e.g. unit tests using a mock as the templated type). This separation allows me to add more instantiations externally. Furthermore, it still works when I keep the original as a h/cpp pair although I had to surround the original list of ...
How to affect other elements when one element is hovered
...ube { background-color: yellow; }
Where .cube is CssClass of the #cube.
Tested in Firefox, Chrome and Edge.
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