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How to remove all rows in a numpy.ndarray that contain non-numeric values

... >>> a = np.array([[1,2,3], [4,5,np.nan], [7,8,9]]) array([[ 1., 2., 3.], [ 4., 5., nan], [ 7., 8., 9.]]) >>> a[~np.isnan(a).any(axis=1)] array([[ 1., 2., 3.], [ 7., 8., 9.]]) and reassign this to a. Ex...
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Regex exactly n OR m times

... answered Dec 14 '12 at 8:10 Mark ByersMark Byers 683k155155 gold badges14681468 silver badges13881388 bronze badges ...
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Given an RGB value, how do I create a tint (or shade)?

... 154 Among several options for shading and tinting: For shades, multiply each component by 1/4, 1/2...
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JS: Check if date is less than 1 hour ago?

...sAfter(dayjs().subtract(1, 'hours')); }; – turrican_34 Nov 26 '19 at 15:54 This was pretty close to what I needed. whi...
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What size do you use for varchar(MAX) in your parameter declaration?

... Michał ChaniewskiMichał Chaniewski 4,19411 gold badge1515 silver badges1515 bronze badges ...
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binning data in python with scipy/numpy

... 184 It's probably faster and easier to use numpy.digitize(): import numpy data = numpy.random.rando...
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PHP: Count a stdClass object

...| edited Mar 25 '12 at 16:48 Alan Storm 155k8383 gold badges359359 silver badges533533 bronze badges ans...
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'float' vs. 'double' precision

... 146 Floating point numbers in C use IEEE 754 encoding. This type of encoding uses a sign, a signif...
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Transpose a data frame

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How to delete last character from a string using jQuery?

How to delete last character from a string for instance in 123-4- when I delete 4 it should display 123- using jQuery . ...