大约有 48,000 项符合查询结果(耗时:0.0666秒) [XML]
data.frame rows to a list
...mp;
}
res.attr("names") = x.attr("row.names");
return res;
}
Now caompare with purrr:
benchmark(
purrr = by_row(x, function(v) list(v)[[1L]], .collate = "list")$.out,
rcpp = df2list(x)
)
Results:
Benchmark summary:
Time units : milliseconds
expr n.eval min lw.qu median m...
How to get a function name as a string?
... the answer I'd like to see. Other answers assume that the caller already knows the function name, which is nonsense in the context of this question.
– Richard Gomes
Jul 11 '13 at 16:43
...
How to vertically center content with variable height within a div?
... Then I noticed that most transform related stuff is -webkit- prefixed and now it works. So just as a reminder: Don't forget to add the -webkit- prefix too.
– miho
Mar 6 '15 at 19:20
...
How to find/identify large commits in git history?
...post's script worked, I found it painfully slow. So I rewrote it, and it's now significantly faster on large repositories. Have a look: gist.github.com/nk9/b150542ef72abc7974cb
– Nick K9
Jun 23 '14 at 19:46
...
How to clone all remote branches in Git?
...track the remote branch, which usually means the origin/branch_name branch
Now, if you look at your local branches, this is what you'll see:
$ git branch
* experimental
master
You can actually track more than one remote repository using git remote.
$ git remote add win32 git://example.com/users/j...
Pointers in Python?
I know Python doesn't have pointers, but is there a way to have this yield 2 instead
9 Answers
...
Will iOS launch my app into the background if it was force-quit by the user?
...m not sure it'll solve the issue, but it may assist you with debugging for now.
share
|
improve this answer
|
follow
|
...
Why does the JVM still not support tail-call optimization?
...ementation and MLVM has listed the feature as "proto 80%" for some time now.
4 Answers
...
Broken references in Virtualenvs
...
I deleted my entire virtualenv dir. now i cannot remove symlinks. Non of the solutions mentioned on this page work for me on mac. i still get same error "image not found . Abort trap: 6"
– Aseem
Jul 3 '18 at 7:24
...
How do I squash two non-consecutive commits?
...he rebase will be aborted.
#
# Note that empty commits are commented out
Now you change the file that it looks like this:
pick aaaaaaa Commit A
squash ddddddd Commit D
pick bbbbbbb Commit B
pick ccccccc Commit C
And git will now meld the changes of A and D together into one commit, and put B an...
