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Rotating a two-dimensional array in Python
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Consider the following two-dimensional list:
original = [[1, 2],
[3, 4]]
Lets break it down step by step:
>>> original[::-1] # elements of original are reversed
[[3, 4], [1, 2]]
This list is passed into zip() using argument unpacking, so the zip call ends...
Convert a row of a data frame to vector
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156
When you extract a single row from a data frame you get a one-row data frame. Convert it to a...
Differences between Oracle JDK and OpenJDK
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11 Answers
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Creating dataframe from a dictionary where entries have different lengths
Say I have a dictionary with 10 key-value pairs. Each entry holds a numpy array. However, the length of the array is not the same for all of them.
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Current time formatting with Javascript
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14 Answers
14
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How to profile a bash shell script slow startup?
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132
If you have GNU date (or another version that can output nanoseconds), do this at the beginnin...
Understanding dict.copy() - shallow or deep?
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1010
By "shallow copying" it means the content of the dictionary is not copied by value, but just ...
How to extract the n-th elements from a list of tuples?
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188
n = 1 # N. . .
[x[n] for x in elements]
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Can ordered list produce result that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, …) with css?
Can an ordered list produce results that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, ...) with CSS? So far, using list-style-type:decimal has produced only 1, 2, 3, not 1.1, 1.2., 1.3.
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