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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
...function, empty categories are dropped by default. You can change this behavior by adding .drop = FALSE . However, this doesn't work when using summarise with dplyr . Is there another way to keep empty categories in the result?
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Remove an element from a Bash array
I need to remove an element from an array in bash shell.
Generally I'd simply do:
20 Answers
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Design patterns or best practices for shell scripts [closed]
Does anyone know of any resources that talk about best practices or design patterns for shell scripts (sh, bash etc.)?
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Why XML-Serializable class need a parameterless constructor
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How to overload functions in javascript?
Classical (non-js) approach to overloading:
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Mimicking sets in JavaScript?
I'm working in JavaScript. I'd like to store a list of unique , unordered string values, with the following properties:
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How to rsync only a specific list of files?
I've about 50 or so files in various sub-directories that I'd like to push to a remote server. I figured rsync would be able to do this for me using the --include-from option. Without the --exclude="*" option, all the files in the directory are being synced, with the option, no files are.
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lodash multi-column sortBy descending
There's a nifty method to sort an array of objects based on several properties:
7 Answers
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How to change Xcode Project name
I have developed my app in Xcode for iPhone, in start I have just named it without secnec now I want to change my app name I have replace my old app name with new one as I have found the name in my app, but its still giving me one error...
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