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Grouping functions (tapply, by, aggregate) and the *apply family
...b = 1:3, c = 10:100)
lapply(x, FUN = length)
$a
[1] 1
$b
[1] 3
$c
[1] 91
lapply(x, FUN = sum)
$a
[1] 1
$b
[1] 6
$c
[1] 5005
sapply - When you want to apply a function to each element of a
list in turn, but you want a vector back, rather than a list.
If you find yourself typing unlist(lapp...
Metadata file '.dll' could not be found
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How to detect if multiple keys are pressed at once using JavaScript?
...ving a problem with Paste on a Mac (Chrome). It successfully gets keydown 91 (command), keydown 86 (v), but then only keyups the 91, leaving 86 down. List of keys: Up: 91, Down: 86. This only seems to happen when letting go of the command key second - if I let go of it first it correctly register ...
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Using curl to upload POST data with files
...JIUzI1NiIsInR5cCI6ImFjY2VzcyIsInR5cGUiOiJhY2Nlc3MifQ.eyJ1c2VySWQiOjEsImFjY291bnRJZCI6MSwiaWF0IjoxNTExMzMwMzg5LCJleHAiOjE1MTM5MjIzODksImF1ZCI6Imh0dHBzOi8veW91cmRvbWFpbi5jb20iLCJpc3MiOiJmZWF0aGVycyIsInN1YiI6ImFub255bW91cyJ9.HWk7qJ0uK6SEi8qSeeB6-TGslDlZOTpG51U6kVi8nYc' \
-H 'content-type: applicati...
How to switch to the new browser window, which opens after click on the button?
... SuryaSurya
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded
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Vitalii FedorenkoVitalii Fedorenko
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Can you nest html forms?
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91
The second form will be ignored, see the snippet from WebKit for example:
bool HTMLParser::for...
How to get current memory usage in android?
...d developerandroid developer
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Select SQL Server database size
...NLINE SIMPLE 16404.13 15213.00 192.69 1191.13 15.55 2015-11-10 10:51:02.000 44.59 NULL NULL
10 locateme ONLINE SIMPLE 1050.13 591.00 2.94 459.13 6.9...