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How can I replace two foreach loops to one assignment (mb two array_map functions)? [duplicate]

I have two arrays and I want to get the result array where each element is kind of cartesian product of these 2 arrays. With foreach's it look

How to split data into 3 sets (train, validation and test)?

I have a pandas dataframe and I wish to divide it to 3 separate sets. I know that using train_test_split from sklearn.cross_validation, one can divide the data

JavaScript - Preventing octal conversion

I'm taking a numerical input as an argument and was just trying to account for leading zeroes. But it seems javascript converts the number into octal before I c

Fetch returns promise instead of actual data even after using 'then' [duplicate]

I am making a simple fetch call in my component, which looks like this var x = fetch(SOME_URL, SOME_POST_DATA) .then((respon

Create executable with python 3.7 PyQt5 and cx_Freeze but DLL Failed to load

I developed a "not so simple" GUI with PyQt5 via Anaconda 3 (Python 3.7) and Designer. I have 3 different .ui files that I import in my program. When I run cx_

concurrent access to a uint64 in golang [closed]

If multiple goroutines access one uint64, the read will never get some other value than the ones that are written to that uint64. Is this corr

Get the option value row Id from a display tag table on a jsp, into a struts 1

I am using display tag to display data in a table on a JSP. I want to display a dropdown within display table tag. My jsp structure and what I am currently tryi