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What is the most efficient way to create a dictionary of two pandas Dataframe columns?

... 196 In [9]: pd.Series(df.Letter.values,index=df.Position).to_dict() Out[9]: {1: 'a', 2: 'b', 3: 'c...
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How do I convert seconds to hours, minutes and seconds?

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How to pause for specific amount of time? (Excel/VBA)

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How to check if a variable is an integer in JavaScript?

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Creating a dictionary from a csv file?

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How to display request headers with command line curl

... 771 curl's -v or --verbose option shows the HTTP request headers, among other things. Here is some s...
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count the frequency that a value occurs in a dataframe column

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Convert nested Python dict to object?

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Detect if value is number in MySQL

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Select top 10 records for each category

I want to return top 10 records from each section in one query. Can anyone help with how to do it? Section is one of the columns in the table. ...