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Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
... Soviut
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answered Mar 28 '13 at 22:36
redhotvengeanceredhotvengeance
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Omit rows containing specific column of NA
...thusly:
DF <- data.frame(x = c(1, 2, 3), y = c(0, 10, NA), z=c(NA, 33, 22))
completeFun <- function(data, desiredCols) {
completeVec <- complete.cases(data[, desiredCols])
return(data[completeVec, ])
}
completeFun(DF, "y")
# x y z
# 1 1 0 NA
# 2 2 10 33
completeFun(DF, c("y", "...
How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)
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answered Dec 22 '11 at 16:28
AbizernAbizern
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Location Services not working in iOS 8
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Jean-François Fabre♦
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answered Jun 5 '14 at 14:58
özgözg
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How to check if one of the following items is in a list?
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answered Apr 11 '09 at 15:22
Joe KobergJoe Koberg
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How do I raise a Response Forbidden in django
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edited Jul 3 '19 at 14:22
andyhasit
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answered ...
Why can outer Java classes access inner class private members?
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edited Aug 22 '18 at 21:09
MAC
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an...
string.ToLower() and string.ToLowerInvariant()
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answered Nov 4 '13 at 22:05
AaronLSAaronLS
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jQuery.active function
...f I am wrong.
– Kishore Relangi
Jun 22 '13 at 16:49
27
This is now called $.active, btw.
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What's the difference between F5 refresh and Shift+F5 in Google Chrome browser?
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DanDan
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