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How do you get the magnitude of a vector in Numpy?
...y -- say x.norm() -- but oh well).
import numpy as np
x = np.array([1,2,3,4,5])
np.linalg.norm(x)
You can also feed in an optional ord for the nth order norm you want. Say you wanted the 1-norm:
np.linalg.norm(x,ord=1)
And so on.
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Timeout command on Mac OS X?
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answered Jan 14 '14 at 16:06
kvzkvz
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What is the difference between Android margin start/end and right/left?
... "start" and "end" concepts were added in API Level 17, as part of Android 4.2's support for RTL layouts.
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Serializing a list to JSON
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345
If using .Net Core 3.0 or later;
Default to using the built in System.Text.Json parser impleme...
Get element at specified position - JavaScript
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244
document.elementFromPoint(x, y);
http://dev.w3.org/csswg/cssom-view/#dom-document-elementfrom...
How can I access “static” class variables within class methods in Python?
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edited Dec 2 '12 at 7:34
Pavel Strakhov
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C++ inheritance - inaccessible base?
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294
You have to do this:
class Bar : public Foo
{
// ...
}
The default inheritance type of a ...
Mocking a class: Mock() or patch()?
... return MyClass()
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>>> x = create_instance()
Created MyClass@4299548304
>>>
>>> @mock.patch('__main__.MyClass')
... def create_instance2(MyClass):
... MyClass.return_value = 'foo'
... return create_instance()
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>>> i = create_instance2()
>>> ...
Concatenate a vector of strings/character
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491
Try using an empty collapse argument within the paste function:
paste(sdata, collapse = '')
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What do (lambda) function closures capture?
...ers[i] = (lambda b: lambda a: b + a)(i)
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>>> adders[1](3)
4
>>> adders[2](3)
5
The scope here is created using a new function (a lambda, for brevity), which binds its argument, and passing the value you want to bind as the argument. In real code, though, you most likely w...