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Extract a dplyr tbl column as a vector
...gt;% pull(5)
[1] 3.90 3.90 3.85 3.08 3.15 2.76 3.21 3.69 3.92 3.92 3.92 3.07 3.07 3.07 2.93 3.00 3.23 4.08 4.93 4.22 3.70 2.76 3.15 3.73 3.08 4.08 4.43
[28] 3.77 4.22 3.62 3.54 4.11
A nice way to do this in v0.2 of dplyr:
iris2 %>% select(Species) %>% collect %>% .[[5]]
Or if you pr...
Git: Cannot see new remote branch
...re on out?
– hybrid9
Oct 7 '12 at 1:07
1
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Express: How to pass app-instance to routes from a different file?
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edited May 12 '15 at 7:25
royhowie
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
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Why does it occur and what happens when it occurs?
Times beyond 03:14:07 UTC on Tuesday, 19 January 2038 will 'wrap around' and be stored internally as a negative number, which these systems will interpret as a time in December 13, 1901 rather than in 2038. This is due to the fact that the num...
What is the difference between bool and Boolean types in C#
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answered Sep 25 '08 at 17:39
Kent BoogaartKent Boogaart
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How do I get a platform-dependent new line character?
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Brian McCutchon
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answered Oct 16 '08 at 18:45
Alex BAlex B
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String literals: Where do they go?
... I not try to alter it?
Because it is undefined behavior. Quote from C99 N1256 draft 6.7.8/32 "Initialization":
EXAMPLE 8: The declaration
char s[] = "abc", t[3] = "abc";
defines "plain" char array objects s and t whose elements are initialized with character string literals.
This declaration is i...
jQuery UI - Close Dialog When Clicked Outside
... in the dialog ?
– personne3000
Nov 25 '13 at 10:08
@personne3000 - actually you're right about the context, that the ...
How to select only 1 row from oracle sql?
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answered Jan 19 '12 at 0:25
mindvirusmindvirus
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How to add 'ON DELETE CASCADE' in ALTER TABLE statement
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edited Dec 25 '16 at 15:02
David Silva-Barrera
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answ...
