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What is the purpose and use of **kwargs?
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Copying PostgreSQL database to another server
I'm looking to copy a production PostgreSQL database to a development server. What's the quickest, easiest way to go about doing this?
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Modifying a subset of rows in a pandas dataframe
Assume I have a pandas DataFrame with two columns, A and B. I'd like to modify this DataFrame (or create a copy) so that B is always NaN whenever A is 0. How would I achieve that?
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How can I compare two lists in python and return matches
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Any good boolean expression simplifiers out there? [closed]
I was refactoring old code and encountered several IF conditions that were way too complex and long and I'm certain they can be simplified. My guess is that those conditions grew so much because of later modifications.
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Why is volatile needed in C?
Why is volatile needed in C? What is it used for? What will it do?
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case-insensitive list sorting, without lowercasing the result?
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What is the difference between \r and \n?
... \n different? I think it has something to do with Unix vs. Windows vs. Mac, but I'm not sure exactly how they're different, and which to search for/match in regexes.
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pandas DataFrame: replace nan values with average of columns
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Javascript array search and remove string?
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