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how to check the dtype of a column in python pandas

I need to use different functions to treat numeric columns and string columns. What I am doing now is really dumb: 6 Answer...
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How to strike through obliquely with css

I need something like this: 11 Answers 11 ...
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How to serialize an object into a string

I am able to serialize an object into a file and then restore it again as is shown in the next code snippet. I would like to serialize the object into a string and store into a database instead. Can anyone help me? ...
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PostgreSQL - fetch the row which has the Max value for a column

I'm dealing with a Postgres table (called "lives") that contains records with columns for time_stamp, usr_id, transaction_id, and lives_remaining. I need a query that will give me the most recent lives_remaining total for each usr_id ...
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Useless use of cat?

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Python, compute list difference

In Python, what is the best way to compute the difference between two lists? 14 Answers ...
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Keyboard shortcut to “untab” (move a block of code to the left) in eclipse / aptana?

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How to plot two columns of a pandas data frame using points?

I have a pandas data frame and would like to plot values from one column versus the values from another column. Fortunately, there is plot method associated with the data-frames that seems to do what I need: ...
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What is reflection and why is it useful?

What is reflection, and why is it useful? 21 Answers 21 ...
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Does Python have an ordered set?

Python has an ordered dictionary . What about an ordered set? 14 Answers 14 ...