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How to add an extra column to a NumPy array
Let’s say I have a NumPy array, a :
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Print multiple arguments in Python
This is just a snippet of my code:
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Convert a Scala list to a tuple?
How can I convert a list with (say) 3 elements into a tuple of size 3?
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?
Can someone explain why the result I want, "hi", is preceded with a letter 'b' and followed with a newline?
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Java ArrayList - how can I tell if two lists are equal, order not mattering?
I have two ArrayList s of type Answer (self-made class).
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How to print color in console using System.out.println?
How can I print color in console? I want to show data in colors when the processor sends data and in different colors when it receives data.
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cartesian product in pandas
I have two pandas dataframes:
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What's the purpose of using braces (i.e. {}) for a single-line if or loop?
I'm reading some lecture notes of my C++ lecturer and he wrote the following:
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What is the difference between static_cast and C style casting?
Is there any reason to prefer static_cast<> over C style casting? Are they equivalent? Is their any sort of speed difference?
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Selecting multiple columns in a pandas dataframe
I have data in different columns but I don't know how to extract it to save it in another variable.
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