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How to remove all rows in a numpy.ndarray that contain non-numeric values
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>>> 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.
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Why can lambdas be better optimized by the compiler than plain functions?
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edited Dec 5 '12 at 14:03
answered Dec 5 '12 at 11:43
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C#/Linq: Apply a mapping function to each element in an IEnumerable?
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IEnumerable<int> integers = new List<int>() { 1, 2, 3, 4, 5 };
IEnumerable<string> strings = integers.Select(i => i.ToString());
Or in LINQ syntax:
IEnumerable<int> integers = new List<int>() { 1, 2, 3, 4, 5 };
var strings = from i in integers
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How to prevent line breaks in list items using CSS
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what is the preferred way to mutate a React state?
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165
concat returns a new array, so you can do
this.setState({list: this.state.list.concat([newObj...
Disable all gcc warnings
...Phil Miller
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Combining a class selector and an attribute selector with jQuery
... attach them together without any punctuation.
$('.myclass[reference="12345"]')
Your first selector looks for elements with the attribute value, contained in elements with the class.
The space is being interpreted as the descendant selector.
Your second selector, like you said, looks for element...
How to use greater than operator with date?
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How to add new item to hash
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answered Mar 5 '12 at 18:19
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