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Ruby Metaprogramming: dynamic instance variable names
...o love Ruby
– jschorr
Oct 2 '13 at 15:41
can you please explain how in hash.each &method(:instance_variable_set), ...
How can I git stash a specific file?
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edited Jan 28 '19 at 7:59
piet.t
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answered Mar...
Escape regex special characters in a Python string
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pyfuncpyfunc
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Define all functions in one .R file, call them from another .R file. How, if possible?
...s will work:
> source("abc.R")
> source("xyz.R")
> fooXYZ(3)
[1] 5
>
Even if there are cyclical dependencies, this will work.
E.g. If abc.R is this:
fooABC <- function(x) {
k <- barXYZ(x)+1
return(k)
}
barABC <- function(x){
k <- x+30
return(k)
}
and...
What is the maximum possible length of a query string?
...) also states there is no limit, but indicates the hostname is limited to 255 characters because of DNS limitations (section 2.3.3).
While the specifications do not specify any maximum length, practical limits are imposed by web browser and server software. Based on research which is unfortunately ...
How to get exit code when using Python subprocess communicate method?
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jQuery append fadeIn
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robsch
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answered Jun 11 '09 at 0:09
Ben BlankBen Blank
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How to tell bash that the line continues on the next line
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Paolo
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answered Oct 6 '10 at 9:58
GuillaumeGuillaume
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What does “Receiver type 'CALayer' for instance message is a forward declaration” mean here?
I'm porting a block of code from an iOS4 project to iOS5 and I'm having some troubles with ARC. The code generates a PDF from a screen capture.
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Updating and committing only a file's permissions using git version control
Just turned an some.sh file into an executable ( chmod 755 ... ), the permissions were updated but not the content. Is there a way to commit the file into git, so that the executable bit will be restored/set on clone / checkout / pull ?
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