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filter for complete cases in data.frame using dplyr (case-wise deletion)

Is it possible to filter a data.frame for complete cases using dplyr? complete.cases with a list of all variables works, of course. But that is a) verbose when there are a lot of variables and b) impossible when the variable names are not known (e.g. in a function that processes any data.frame). ...
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Error: Cannot access file bin/Debug/… because it is being used by another process

When I debug my project, I get following error: 27 Answers 27 ...
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Express next function, what is it really for?

...te'). Do you now the purpose of these, when would you like to propagate an error, and when would you like to jump to a certain route? – Andreas Selenwall Oct 30 '12 at 6:23 8 ...
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Moving decimal places over in a double

...se double or float, you should use rounding or expect to see some rounding errors. If you can't do this, use BigDecimal. The problem you have is that 0.1 is not an exact representation, and by performing the calculation twice, you are compounding that error. However, 100 can be represented accurat...
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Mark error in form using Bootstrap

...ave gone wrong</span> </div> <div class="form-group has-error"> <label class="control-label" for="inputError">Input with error</label> <input type="text" class="form-control" id="inputError"> <span class="help-block">Please correct the error&...
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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f

...er may have the wrong class in your xib. I downloaded your project. The error you are getting is 'NSUnknownKeyException', reason: '[<UIViewController 0x3927310> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key string.' It is caused by the Second vi...
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Error “can't use subversion command line client : svn” when opening android project checked out from

...N client (can't manage to do it from within Android Studio), then get this error message after importing the project to Android Studio: ...
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How to view the assembly behind the code using Visual C++?

I was reading another question pertaining the efficiency of two lines of code, and the OP said that he looked at the assembly behind the code and both lines were identical in assembly. Digression aside, how could I view the assembly code created when a program is compiled. ...
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Django Rest Framework - Could not resolve URL for hyperlinked relationship using view name “user-det

...ViewSets were working just fine and all of a sudden I get this frustrating error: 17 Answers ...
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Node.js client for a socket.io server

... will automatically try to reconnect }); socket.on('error', (error) => { console.log(error); }); share | improve this answer | ...