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How can you find out which process is listening on a port on Windows?
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2797
New answer, powershell
Get-Process -Id (Get-NetTCPConnection -LocalPort YourPortNumberHere).O...
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 to count the number of set bits in a 32-bit integer?
...ately to keep the table small.)
If you know that your bytes will be mostly 0's or mostly 1's then there are very efficient algorithms for these scenarios.
I believe a very good general purpose algorithm is the following, known as 'parallel' or 'variable-precision SWAR algorithm'. I have expressed th...
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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How to float 3 divs side by side using CSS?
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answered Feb 27 '16 at 23:38
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How can I fix WebStorm warning “Unresolved function or method” for “require” (Firefox Add-on SDK)
...de>
– skatsumata
Nov 26 '13 at 9:27
11
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How can I get the ID of an element using jQuery?
...t;div id="test"></div>
Or through the DOM:
$('#test').get(0).id;
or even :
$('#test')[0].id;
and reason behind usage of $('#test').get(0) in JQuery or even $('#test')[0] is that $('#test') is a JQuery selector and returns an array() of results not a single element by its defaul...
Where to install Android SDK on Mac OS X?
...directory in the .Trash
– James
Jul 27 '12 at 16:10
9
@James you mean OSX, not iOS ;)
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Removing viewcontrollers from navigation stack
...k before negative vote.
– Nitin
Mar 27 '15 at 9:23
7
this method removes a viewcontroller indeed ...