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Naming returned columns in Pandas aggregate function? [duplicate]
I'm having trouble with Pandas' groupby functionality. I've read the documentation , but I can't see to figure out how to apply aggregate functions to multiple columns and have custom names for those columns.
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How to check whether a pandas DataFrame is empty?
How to check whether a pandas DataFrame is empty? In my case I want to print some message in terminal if the DataFrame is empty.
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How can I do DNS lookups in Python, including referring to /etc/hosts?
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Specifying rails version to use when creating a new application
I have two versions of rails (2.1.0 and 2.2.2) installed in my computer.
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pandas: How do I split text in a column into multiple rows?
I'm working with a large csv file and the next to last column has a string of text that I want to split by a specific delimiter. I was wondering if there is a simple way to do this using pandas or python?
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What is the difference between exit(0) and exit(1) in C?
Can anyone tell me? What is the difference between exit(0) and exit(1) in C language?
11 Answers
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Git Tag list, display commit sha1 hashes
so the git tag command lists the current git tags
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How to catch integer(0)?
Let's say we have a statement that produces integer(0) , e.g.
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what does -webkit-transform: translate3d(0,0,0); exactly do? Apply to body?
what does -webkit-transform: translate3d(0,0,0); exactly do?
Does it have any performance issues? Should I just apply it to the body or individual elements? It seems to improve scroll events drastically.
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How to generate random SHA1 hash to use as ID in node.js?
I am using this line to generate a sha1 id for node.js:
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