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Is onload equal to readyState==4 in XMLHttpRequest?
...are not so much different between onreadystatechange --> readyState == 4 and onload, is it true?
3 Answers
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How to set a single, main title above all the subplots with Pyplot?
I am using pyplot . I have 4 subplots. How to set a single, main title above all the subplots? title() sets it above the last subplot.
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How to sort a dataFrame in python pandas by two or more columns?
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As of the 0.17.0 release, the sort method was deprecated in favor of sort_values. sort was co...
How do I calculate percentiles with python/numpy?
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You might be interested in the SciPy Stats package. It has the percentile function you're after ...
python assert with and without parenthesis
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answered Jun 24 '10 at 17:00
Mark RushakoffMark Rushakoff
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Why can't R's ifelse statements return vectors?
...s, you will get longer results:
> ifelse(c(TRUE, FALSE), c(1, 2), c(3, 4))
[1] 1 4
So ifelse is intended for the specific purpose of testing a vector of booleans and returning a vector of the same length, filled with elements taken from the (vector) yes and no arguments.
It is a common confus...
How to add a new row to an empty numpy array
...proper dimensionality.
>>> arr
array([], shape=(0, 3), dtype=int64)
Then be sure to append along axis 0:
arr = np.append(arr, np.array([[1,2,3]]), axis=0)
arr = np.append(arr, np.array([[4,5,6]]), axis=0)
But, @jonrsharpe is right. In fact, if you're going to be appending in a loop, ...
SET versus SELECT when assigning variables?
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4 Answers
4
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How to safely open/close files in python 2.4
...for use on one of our servers using Python. The server only has Python 2.4.4 installed.
4 Answers
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How to name variables on the fly?
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JohnJohn
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