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Java: Get last element after split
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@dotsid, I would leave this responsibility to the caller, hiding runtime exceptions is dangerous
– dfa
Jul 25 '09 at 12:27
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Add EBS to Ubuntu EC2 Instance
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Thanks a lot for this! I was totally confused by the /mnt directory and wrongly assumed that my extra EBS volume (/dev/xvdf) that I told AWS to attach at instance creation was already mounted. Also, the mapping between what AWS shows (/dev/sdf) and (/dev/xv...
Jquery bind double click and single click separately
Is there something in jquery that would allow me to differentiate between behavior on double click and single click?
14 Ans...
Difference between exit(0) and exit(1) in Python
... code means a successful exit.
This is useful for other programs, shell, caller etc. to know what happened with your program and proceed accordingly.
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How to disable anchor “jump” when loading a page?
...bably don't need it if it's in jQuery's $(function() { anyway. You don't really need the location.hash, but it's nice leaving it in so browsers may not have to do anything. Also reminds you what the scrollTo is for!
– dave1010
Sep 7 '10 at 13:50
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Less aggressive compilation with CSS3 calc
....5em"); }
In Less 1.4.0 we will have a strictMaths option which requires all Less calculations to be within brackets, so the calc will work "out-of-the-box". This is an option since it is a major breaking change. Early betas of 1.4.0 had this option on by default. The release version has it off by...
Bring a window to the front in WPF
... simply using myWindow.Show() and sometimes it wasn't on top. I placed a call to myWindow.Activate() immediately afterwards and it worked.
– Bermo
Aug 26 '09 at 4:54
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Recursively counting files in a Linux directory
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Actually, on some platforms, you do need to spell out find .
– tripleee
Jun 8 '19 at 8:33
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type object 'datetime.datetime' has no attribute 'datetime'
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Datetime is a module that allows for handling of dates, times and datetimes (all of which are datatypes). This means that datetime is both a top-level module as well as being a type within that module. This is confusing.
Your error is probably based ...
Does the ternary operator exist in R?
... 2*3 : 4
[1] 6
> y
[1] 1
> y <- (1 ? 2*3 : 4)
> y
[1] 6
Finally, you can do very similar way with c:
`?` <- function(x, y) {
xs <- as.list(substitute(x))
if (xs[[1]] == as.name("<-")) x <- eval(xs[[3]])
r <- eval(sapply(strsplit(deparse(substitute(y)), ":"), fun...