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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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Split string into an array in Bash
In a Bash script I would like to split a line into pieces and store them in an array.
22 Answers
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How can I find all of the distinct file extensions in a folder hierarchy?
On a Linux machine I would like to traverse a folder hierarchy and get a list of all of the distinct file extensions within it.
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possible EventEmitter memory leak detected
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Get Element value with minidom with Python
I am creating a GUI frontend for the Eve Online API in Python.
9 Answers
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How to obtain the last path segment of a URI
...at is a URI . how is it possible to get the last path segment (that in my case is an id)?
12 Answers
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How to generate unique ID with node.js
How to set a variable value with database query callback? How I can do it?
13 Answers
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Commands out of sync; you can't run this command now
I am trying to execute my PHP code, which calls two MySQL queries via mysqli, and get the error "Commands out of sync; you can't run this command now".
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Error: Could not find or load main class in intelliJ IDE
I'm a beginner in Java and am trying to run my code using IntelliJ that I just installed as my IDE with JDK 1.7. The following piece of code keeps does not even compile and keeps giving me the error:
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Create a dictionary with list comprehension
I like the Python list comprehension syntax.
14 Answers
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