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Summarizing multiple columns with dplyr? [duplicate]

...be great: summarize(df, a:c, d=paste(d, collaspe =',' ) . Just want to put more original columns in for reference – biocyberman Aug 8 '15 at 17:28 1 ...
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How do you stop tracking a remote branch in Git?

... @GabrielStaples I agree. For more on remote tracking: stackoverflow.com/a/44081446/6309, stackoverflow.com/a/38202006/6309 and stackoverflow.com/a/28341622/6309 – VonC Sep 6 at 9:24 ...
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How do I import CSV file into a MySQL table?

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Strip all non-numeric characters from string in JavaScript

... Thanks csj; anyplace to find more info on \D ? – p.campbell Dec 7 '09 at 19:55 35 ...
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Multiple commands on same line

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Difference between $(window).load() and $(document).ready() functions

... @MichaelButler: You need to be more clear in your comment. 1) You're talking about the USER executing more $(document).ready code after the DOM is ready. That's such a small use case that it probably wasn't worth confusing everyone with mentioning it. 2)...
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How can I unstage my files again after making a local commit?

...d in this answer is actually what git commit --amend does; but with a much more complicated workflow. This does not answer the question OP asked, in spite of giving a good direction (git reset). – 7heo.tk May 12 '15 at 11:26 ...
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Make Div overlay ENTIRE page (not just viewport)?

...osition fixed work in IE6?! I know probably nobody cares much about IE6 anymore. – Marco Demaio May 17 '10 at 22:04 ...
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What is the difference between `git merge` and `git merge --no-ff`?

... To more directly answer the OP's question: they aren't always different, but if they are, it's clear from gitk or git log --graph that the fast-forward merge didn't create a merge commit, while the non-fast-forward one did. ...
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Difference between static class and singleton pattern?

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