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Extracting specific columns from a data frame
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how do I execute a further command onto this subset? E.g. I want to compute the rowMean: "df1 %>% rowMeans(select(A, B, E))" does not work.
– Ben
May 11 at 6:14
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Mailto links do nothing in Chrome but work in Firefox?
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I believe the default is to run the mail client on the computer. I know at work, it will run thunderbird; if they have outlook installed it may run outlook, etc. Personally, it did not run gmail by default, I had to set it up that way.
– kennypu
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Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
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62
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How to add number of days to today's date? [duplicate]
...things javascript, the built-in date processing is extremely powerful, but completely non-intuitive.
– Joel Coehoorn
Sep 29 '10 at 1:41
10
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Create array of all integers between two numbers, inclusive, in Javascript/jQuery [duplicate]
...feeScript has this convenience, but you'd still have to run it through the compiler - slow or inconvenient, and you'd remain clueless as to how to do it by hand. I sincerely hope we're not going to replace the 'just use jQuery' era with 'just use CoffeeScript'
– meouw
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What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
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525
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How do you get a list of the names of all files present in a directory in Node.js?
...u're using gulp to read in a directory of source order dependant files and compile them into a single executable.
– r3wt
Apr 7 '16 at 20:59
3
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Exclude .svn directories from grep [duplicate]
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37
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dynamically add and remove view to viewpager
...dn't see any other relevant answers.
First, here's my adapter; hopefully comments within the code are sufficient:
public class MainPagerAdapter extends PagerAdapter
{
// This holds all the currently displayable views, in order from left to right.
private ArrayList<View> views = new Arra...
How to Parse Command Line Arguments in C++? [duplicate]
What is the best way of parsing command-line arguments in C++ if the program is specified
to be run like this:
10 Answers
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