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deleting rows in numpy array
...mpy.delete method.
Suppose I have the following array x:
x = array([[1,2,3],
[4,5,6],
[7,8,9]])
To delete the first row, do this:
x = numpy.delete(x, (0), axis=0)
To delete the third column, do this:
x = numpy.delete(x,(2), axis=1)
So you could find the indices of the rows ...
Text border using css (border around text)
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answered Nov 17 '12 at 3:05
bookcaseybookcasey
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range() for floats
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answered Sep 1 '11 at 7:36
kichikkichik
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How to initialize a two-dimensional array in Python?
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383
A pattern that often came up in Python was
bar = []
for item in some_iterable:
bar.append...
Razor HtmlHelper Extensions (or other namespaces for views) Not Found
...ystem.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
<section name="host" type="System.Web.WebPages.Razor.Configuration.HostSection, System.Web.WebPages.Razor, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="fal...
When should I use Lazy?
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James Michael HareJames Michael Hare
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Find element's index in pandas Series
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>>> myseries[myseries == 7]
3 7
dtype: int64
>>> myseries[myseries == 7].index[0]
3
Though I admit that there should be a better way to do that, but this at least avoids iterating and looping through the object and moves it to the C level....
Fastest way to reset every value of std::vector to 0
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353
std::fill(v.begin(), v.end(), 0);
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Generate random integers between 0 and 9
...andom import randrange
print(randrange(10))
Docs: https://docs.python.org/3/library/random.html#random.randrange
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How to count the number of true elements in a NumPy bool array
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