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NumPy: function for simultaneous max() and min()
...n optimized C version ...):
subroutine minmax1(a,n,amin,amax)
implicit none
!f2py intent(hidden) :: n
!f2py intent(out) :: amin,amax
!f2py intent(in) :: a
integer n
real a(n),amin,amax
integer i
amin = a(1)
amax = a(1)
do i=2, n
if(a(i) > amax)then
amax = a(i)
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Drop unused factor levels in a subsetted data frame
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That's fine for a one-off, but in a data.frame with a large number of columns, you get to do that on every column that is a factor ... leading to the need for a function such as drop.levels() from gdata.
– Dirk Eddelbuett...
What is the purpose of “&&” in a shell command?
... - what is the purpose of &&?
In shell, when you see
$ command one && command two
the intent is to execute the command that follows the && only if the first command is successful. This is idiomatic of Posix shells, and not only found in Bash.
It intends to prevent the ...
How exactly does tail recursion work?
...on't understand your question. I converted the function into an equivalent one but without explicit recursion (that is, without explicit function calls). If you change the logic into something non-equivalent, you may indeed make the function loop forever in some or all cases.
–...
When should one use final for method parameters and local variables?
...the code more difficult to understand with finals all over. If I'm in someone else's code, I'm not going to pull them out but if I'm writing new code I won't put them in. One exception is the case where you have to mark something final so you can access it from within an anonymous inner class.
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How do I find out which DOM element has the focus?
...crolldivs', 0 or 1 of those divs is scrollable by arrow keys. If you click one, that div is focused. If you click outside all, the body is focused. How do you find out which scrolldiv is focused? jsfiddle.net/rudiedirkx/bC5ke/show (check console)
– Rudie
Oct 22...
Eclipse: All my projects disappeared from Project Explorer
It seems like all my projects (except one) disappeared from the view Project Explorer.
33 Answers
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Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
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img {max-width:100%;} is one way of doing this. Just add it to your CSS code.
http://jsfiddle.net/89dtxt6s/
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Visual Studio build fails: unable to copy exe-file from obj\debug to bin\debug
...und stupid, but I tried all these solutions, running VS2010 on Windows 7. None of them worked except the renaming and building, which was VERY tedious to say the least. Eventually, I tracked down the culprit, and I find it hard to believe. But I was using the following code in AssemblyInfo.cs...
[a...
How to remove all white spaces in java [duplicate]
...and removes all the white space within that line.
the line can consist of one word or more.
14 Answers
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