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How to get div height to auto-adjust to background size?
...k;
position: relative;
background-size: contain;
background: url('https://upload.wikimedia.org/wikipedia/en/thumb/6/67/Wiki-llama.jpg/1600px-Wiki-llama.jpg') top center no-repeat;
margin: 0 auto;
}
.wrapper:after {
padding-top: 75%;
/* this llama image is 800x600 so set the paddi...
Run certain code every n seconds [duplicate]
... print "Hello, World!"
printit()
# continue with the rest of your code
https://docs.python.org/3/library/threading.html#timer-objects
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What are the differences between numpy arrays and matrices? Which one should I use?
...ore advisable to use matrix class since it will be removed in the future.
https://numpy.org/doc/stable/reference/generated/numpy.matrix.html
As other answers already state that you can achieve all the operations with NumPy arrays.
...
Pointer vs. Reference
...erence for an output parameter is purely syntax. Google's C++ Style Guide (https://google.github.io/styleguide/cppguide.html#Reference_Arguments), for example, mandates only pointers for output parameters, and allows only references that are const. The reasoning is one of readability: something with...
How to use filter, map, and reduce in Python 3
...ible and is all "backwards". So, I suggest using the PyFunctional package (https://pypi.org/project/PyFunctional/).
Here's a comparison of the two:
flight_destinations_dict = {'NY': {'London', 'Rome'}, 'Berlin': {'NY'}}
PyFunctional version
Very legible syntax. You can say:
"I have a sequ...
Converting from longitude\latitude to Cartesian coordinates
...
Theory for convert GPS（WGS84) to Cartesian coordinates
https://en.wikipedia.org/wiki/Geographic_coordinate_conversion#From_geodetic_to_ECEF_coordinates
The following is what I am using:
Longitude in GPS（WGS84） and Cartesian coordinates are the same.
Latitude need be conv...
How to get the name of enumeration value in Swift?
..."two"
Note that this does not work if the enum uses the @objc modifier:
https://forums.swift.org/t/why-is-an-enum-returning-enumname-rather-than-caselabel-for-string-describing/27327
Generated Swift interfaces for Objective-C types sometimes do not include the @objc modifier. Those Enums are nev...
Finding current executable's path without /proc/self/exe
... testing if it exists. Permissive license copy from android/darwin/bsd:
https://android.googlesource.com/platform/bionic/+/f077784/libc/upstream-freebsd/lib/libc/stdlib/realpath.c
Be aware that multiple attempts may be successful or partially successful and they might not all point to the same e...
Suppress Scientific Notation in Numpy When Creating Array From Nested List
...function parameters (suppress isn't detailed in the above link), see here: https://docs.scipy.org/doc/numpy/reference/generated/numpy.set_printoptions.html
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For loop for HTMLCollection elements
...m.id);
});
Working demo (in Firefox, Chrome, and Edge as of April 2016): https://jsfiddle.net/jfriend00/8ar4xn2s/
Update for ES6 in 2016
You can now use the ES6 for/of construct with a NodeList and an HTMLCollection by just adding this to your code:
NodeList.prototype[Symbol.iterator] = Array...