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Bash: If/Else statement in one line
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Reinderien
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answered Jun 19 '13 at 23:52
William PursellWillia...
Check if string contains only digits
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Syntle
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answered Nov 22 '09 at 15:26
Scott EverndenScott ...
Using pg_dump to only get insert statements from one table within database
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232
if version < 8.4.0
pg_dump -D -t <table> <database>
Add -a before the -t ...
Spring: Why do we autowire the interface and not the implemented class?
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edited Oct 15 '12 at 16:39
answered Oct 15 '12 at 15:57
V...
First-time database design: am I overengineering? [closed]
... others on this question thus far pretty much cover it. Good job!
2 & 3) The performance hit you will take will largely be dependent on having and optimizing the right indexes for your particular queries / procedures and more importantly the volume of records. Unless you are talking about well...
How can I change an element's text without changing its child elements?
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edited May 23 '17 at 11:54
Community♦
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answered Nov 5 '10 at 14:40
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How can I make git do the “did you mean” suggestion?
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MotoWilliams
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answered Mar 2 '11 at 12:44
jamessanjamessan
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what's the correct way to send a file from REST web service to client?
... bluish
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answered Sep 3 '12 at 16:18
Philipp ReichartPhilipp Reichart
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Drop data frame columns by name
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937
You can use a simple list of names :
DF <- data.frame(
x=1:10,
y=10:1,
z=rep(5,10),
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