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How to test valid UUID/GUID?
How to check if variable contains valid UUID/GUID identifier?
12 Answers
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Dynamically update values of a chartjs chart
I created an basic bar chart using chartjs and it works fine. Now I want to update the values on a time based interval. My problem is that after I created the chart, I do not know how to update its values correctly...
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Apply multiple functions to multiple groupby columns
The docs show how to apply multiple functions on a groupby object at a time using a dict with the output column names as the keys:
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Why are these numbers not equal?
The following code is obviously wrong. What's the problem?
6 Answers
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How to find list intersection?
actual output: [1,3,5,6]
expected output: [1,3,5]
11 Answers
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What is a regular expression which will match a valid domain name without a subdomain?
I need to validate a domain name:
20 Answers
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How to pretty-print a numpy.array without scientific notation and with given precision?
I'm curious, whether there is any way to print formatted numpy.arrays , e.g., in a way similar to this:
14 Answers
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How to sort an array in descending order in Ruby
I have an array of hashes:
8 Answers
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Difference between numpy.array shape (R, 1) and (R,)
In numpy , some of the operations return in shape (R, 1) but some return (R,) . This will make matrix multiplication more tedious since explicit reshape is required. For example, given a matrix M , if we want to do numpy.dot(M[:,0], numpy.ones((1, R))) where R is the number of rows (of co...
cartesian product in pandas
I have two pandas dataframes:
11 Answers
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