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Escape double quotes in a string
Double quotes can be escaped like this:
6 Answers
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Efficient way to apply multiple filters to pandas DataFrame or Series
I have a scenario where a user wants to apply several filters to a Pandas DataFrame or Series object. Essentially, I want to efficiently chain a bunch of filtering (comparison operations) together that are specified at run-time by the user.
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Generic List - moving an item within the list
So I have a generic list, and an oldIndex and a newIndex value.
10 Answers
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Increment a value in Postgres
I'm a little new to postgres. I want to take a value (which is an integer) in a field in a postgres table and increment it by one. For example if the table 'totals' had 2 columns, 'name' and 'total', and Bill had a total of 203, what would be the SQL statement I'd use in order to move Bill's total t...
Looping over a list in Python
I have a list with sublists in it. I want to print all the sublists with length equal to 3.
4 Answers
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Check whether a variable is a string in Ruby
Is there anything more idiomatic than the following?
6 Answers
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What is the difference between save and export in Docker?
I am playing around with Docker for a couple of days and I already made some images (which was really fun!). Now I want to persist my work and came to the save and export commands, but I don't fully understand them.
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How to redirect stderr and stdout to different files in the same line in script?
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5 Answers
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ruby convert array into function arguments
Say I have an array. I wish to pass the array to a function. The function, however, expects two arguments. Is there a way to on the fly convert the array into 2 arguments?
For example:
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Prevent row names to be written to file when using write.csv
Commands:
2 Answers
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