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Applying a function to every row of a table using dplyr?
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22
The idiomatic approach will be to create an appropriately vectorised function.
R provide pmax ...
Reset C int array to zero : the fastest way?
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edited Mar 3 '17 at 16:22
answered Feb 5 '12 at 2:25
Mat...
T-SQL datetime rounded to nearest minute and nearest hours with using functions
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declare @dt datetime
set @dt = '09-22-2007 15:07:38.850'
select dateadd(mi, datediff(mi, 0, @dt), 0)
select dateadd(hour, datediff(hour, 0, @dt), 0)
will return
2007-09-22 15:07:00.000
2007-09-22 15:00:00.000
The above just truncates the seconds and minu...
How can I escape a double quote inside double quotes?
...r Mortensen
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answered Feb 28 '15 at 20:50
kenorbkenorb
105k4949 gold ba...
Addressing localhost from a VirtualBox virtual machine [closed]
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22 Answers
22
Active
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How to darken a background using CSS?
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answered Apr 22 '14 at 0:45
shinshin
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Stack vs heap allocation of structs in Go, and how they relate to garbage collection
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0016 (s.go:21) TEXT myFunction3+0(SB),$8000000-8000016
0017 (s.go:22) LEAQ chunk+-8000000(SP),DI
0018 (s.go:22) MOVQ $0,AX
0019 (s.go:22) MOVQ $1000000,CX
0020 (s.go:22) REP ,
0021 (s.go:22) STOSQ ,
0022 (s.go:24) LEAQ chunk+-8000000(SP),SI
0023 (s.go:24) LEAQ .noname+0...
How do you detect Credit card type based on number?
...[0-9]{6,}$ Visa card numbers start with a 4.
MasterCard: ^5[1-5][0-9]{5,}|222[1-9][0-9]{3,}|22[3-9][0-9]{4,}|2[3-6][0-9]{5,}|27[01][0-9]{4,}|2720[0-9]{3,}$ Before 2016, MasterCard numbers start with the numbers 51 through 55, but this will only detect MasterCard credit cards; there are other cards ...
CSS content property: is it possible to insert HTML instead of Text?
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answered Dec 22 '10 at 0:10
BoltClock♦BoltClock
601k141141 gold badges12621262 silver badges12641264 bronze badges
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What's the difference between tilde(~) and caret(^) in package.json?
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jgillichjgillich
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