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Add new row to dataframe, at specific row-index, not appended?
...ll:
existingDF <- as.data.frame(matrix(seq(20),nrow=5,ncol=4))
r <- 3
newrow <- seq(4)
insertRow <- function(existingDF, newrow, r) {
existingDF[seq(r+1,nrow(existingDF)+1),] <- existingDF[seq(r,nrow(existingDF)),]
existingDF[r,] <- newrow
existingDF
}
> insertRow(existi...
How to disable the application pool idle time-out in IIS7?
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Call a function with argument list in python
... func(*args)
def func2(x, y, z):
print x+y+z
wrapper1(func2, 1, 2, 3)
wrapper2(func2, [1, 2, 3])
In wrapper2, the list is passed explicitly, but in both wrappers args contains the list [1,2,3].
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After array_filter(), how can I reset the keys to go in numerical order starting at 0
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Salman A
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answered Aug 4 '10 at 0:59
Daniel VandersluisDaniel Vandersl...
PHP code to remove everything but numbers
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Try this:
preg_replace('/[^0-9]/', '', '604-619-5135');
preg_replace uses PCREs which generally start and end with a /.
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Clojure 1.2.1/1.3/1.4 'proxy generated in Grails 2.0.0 runtime fails. 1.2.0 is fine
...Grails 2.0.0 (and 2.1.0-SNAPSHOT) and I wanted to update it to Clojure 1.3.0 and add clojure.tools.logging .
1 Answer
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
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SQL keys, MUL vs PRI vs UNI
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Matt HealyMatt Healy
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Why does the indexing start with zero in 'C'?
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Keith Thompson
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answered Sep 6 '11 at 13:29
Massimiliano Pel...
Cleanest and most Pythonic way to get tomorrow's date?
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Esteban Küber
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answered Oct 1 '09 at 22:49
Kamil SzotKamil S...