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To find whether a column exists in data frame or not
... colnames(dat))
– toto_tico
Jun 28 '16 at 13:47
Awesome answer. How do I extend this if I'd be looking for columns 'd'...
How to git reset --hard a subdirectory?
...d-worktree'.
– VonC
Mar 14 '13 at 9:16
1
Sorry, but that's too complicated for the task at hand. ...
Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
...ication.apk
– petrsyn
Dec 22 '15 at 16:39
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Calculate distance between two points in google maps V3
...ful? Just asking :)
– pie6k
Apr 26 '16 at 15:32
2
Shouldn't it be var R = 6371; for Km?
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Query to list all stored procedures
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edited Dec 16 '19 at 18:14
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How to debug Visual Studio extensions
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Android XML Percent Symbol
...%%", "%");"
– zaid
Dec 11 '10 at 22:16
4
using formatted=false works nicely. This is how I used i...
How to Set focus to first text input in a bootstrap modal after shown
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How to determine if a process runs inside lxc/Docker?
...in those paths
– Andy
Nov 21 '15 at 16:29
4
Does not work for lxd/lxc containers, but stackoverfl...
How to abort an interactive rebase if --abort doesn't work?
...r's HEAD to the commit it expects.
git update-ref refs/heads/master b918ac16a33881ce00799bea63d9c23bf7022d67
Then, abort the rebase again.
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