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How to insert element as a first child?
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edited May 19 '15 at 20:31
Mr. Polywhirl
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a...
How does Amazon RDS backup/snapshot actually work?
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JoshuaJoshua
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Closing WebSocket correctly (HTML5, Javascript)
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113
According to the protocol spec v76 (which is the version that browser with current support imple...
Omit rows containing specific column of NA
...nction and put it into a function 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...
Useful example of a shutdown hook in Java?
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edited Sep 23 '11 at 2:48
trashgod
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Why does HTML think “chucknorris” is a color?
...s c00c0000000
Pad out to the next total number of characters divisible by 3 (11 -> 12)
c00c 0000 0000
Split into three equal groups, with each component representing the corresponding colour component of an RGB colour:
RGB (c00c, 0000, 0000)
Truncate each of the arguments from the right down...
How to sort Map values by key in Java?
...time to lookup an element, but for a TreeMap the lookup time will be about 3 times slower (assuming Log2). Moving from 1000 to 100,000 will be about 6 times slower for every element lookup.
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How can I plot separate Pandas DataFrames as subplots?
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jorisjoris
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Difference between WebStorm and PHPStorm
...ll only be available in WebStorm v9 (quite few months from now, lets say 2-3-5) -- if using/comparing stable versions ONLY.
UPDATE (2016-12-13):
Since 2016.1 version PhpStorm and WebStorm use the same version/build numbers .. so there is no longer difference between the same versions: functionality...
Sync data between Android App and webserver [closed]
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+100
I'll t...