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Performance of static methods vs instance methods
...ethods, can reduce some of the costs discussed at http://joeduffyblog.com/2011/10/23/on-generics-and-some-of-the-associated-overheads/ in the case where that given static isn't called for a given type. As he puts it "As an aside, it turns out that extension methods are a great way to make generic ab...
How to trigger the window resize event in JavaScript?
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401
Where possible, I prefer to call the function rather than dispatch an event. This works well if...
Maven parent pom vs modules pom
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answered Jan 4 '10 at 21:17
Pascal ThiventPascal Thivent
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Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)
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20 Answers
20
Active
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Omit rows containing specific column of NA
... 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 2 10 33
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How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
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answered Nov 3 '10 at 7:08
Aristotle PagaltzisAristotle Pagaltzis
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vertical align middle in
I want to keep the height of #abc div at 50px and text to align vertically in the middle of the div .
10 Answers
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Getting parts of a URL (Regex)
...ers
and anchors e.g.
https://www.google.com/dir/1/2/search.html?arg=0-a&arg1=1-b&arg3-c#hash
^((http[s]?|ftp):\/)?\/?([^:\/\s]+)((\/\w+)*\/)([\w\-\.]+[^#?\s]+)(.*)?(#[\w\-]+)?$
RexEx positions:
url: RegExp['$&'],
protocol:RegExp.$2,
host:RegExp.$3,
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Loop inside React JSX
...the arguments to a function call would go:
return tbody(
for (var i = 0; i < numrows; i++) {
ObjectRow()
}
)
See how the function tbody is being passed a for loop as an argument – leading to a syntax error.
But you can make an array, and then pass that in as an argument:
v...