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How to organize large R programs?
When I undertake an R project of any complexity, my scripts quickly get long and confusing.
11 Answers
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How do you sign a Certificate Signing Request with your Certification Authority?
During my search, I found several ways of signing a SSL Certificate Signing Request:
2 Answers
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Any idea why I need to cast an integer literal to (int) here?
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How do I 'git diff' on a certain directory?
git diff actually runs a diff on all source code. How do I do this on a certain directory, so that I can view modifications on files underneath it?
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How to disable XDebug
I think that my server became slow since I installed XDebug.
So, in order to test my hypothesis I want to disable XDebug completely.
I've been searching for tutorials on how to do this but I can't find such information.
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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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How to enumerate an enum with String type?
For example, how can I do something like:
42 Answers
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@property retain, assign, copy, nonatomic in Objective-C
As someone that's new to Objective-C can someone give me an overview of the retain, assign, copy and any others I'm missing, that follow the @property directive? What are they doing and why would I want to use one over another?
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How to remove from a map while iterating it?
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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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