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Numpy how to iterate over columns of array?
Suppose I have and m x n array. I want to pass each column of this array to a function to perform some operation on the entire column. How do I iterate over the columns of the array?
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Add a fragment to the URL without causing a redirect?
Is there is a way how to add hash # to my URL without redirect?
3 Answers
3
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Get lengths of a list in a jinja2 template
How do I get the number of elements in a list in jinja2 template?
3 Answers
3
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Submitting the value of a disabled input field
I want to disable an input field, but when I submit the form it should still pass the value.
4 Answers
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How to use a variable for the key part of a map
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Use this:
def map = [(A):1, (X):2]
For the value-part it's even easier, since there is no automagic "convert text to string" happening:
def map = [keyA:A, keyX:X]
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vertical & horizontal lines in matplotlib
I do not quite understand why I am unable to create horizontal and vertical lines at specified limits. I would like to bound the data by this box. However, the sides do not seem to comply with my instructions. Why is this?
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Append an element with fade in effect [jQuery]
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I want just the new "blah" div to fade in.
– TIMEX
Jan 14 '11 at 3:03
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What's the difference between := and = in Makefile?
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This is described in the GNU Make documentation, in the section titled 6.2 The Two Flavors of Variables
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In short, variables defined with := are expanded once, but variables defined with = are expanded whenever they are used.
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What does the “|” (single pipe) do in JavaScript?
Why does 0.5 | 0 return zero, but any integer (including negative) returns the input integer? What does the single pipe ("|") do?
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