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How to avoid annoying error “declared and not used”
...eclared and not used
}
becomes
package main
import (
_ "fmt" // no more error
)
func main() {
i := 1 // no more error
_ = i
}
As said by kostix in the comments below, you can find the official position of the Go team in the FAQ:
The presence of an unused variable may indicate...
Argparse: Required arguments listed under “optional arguments”?
...uld “hack into it” and change the name of the optional ones, but a far more elegant solution would be to create another group for “required named arguments” (or whatever you want to call them):
parser = argparse.ArgumentParser(description='Foo')
parser.add_argument('-o', '--output', help='O...
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
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Expert R users, what's in your .Rprofile? [closed]
...file files of other people both useful and instructive about the language. Moreover, while I have some customization for Bash and Vim , I have nothing for R.
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Codesign error: Provisioning profile cannot be found after deleting expired profile
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129
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How to store custom objects in NSUserDefaults
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37
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Tools for making latex tables in R [closed]
...r to brew::brew(). Not sure if it is better, but the package certainly has more stuff. In either case I like this approach since it gives more flexibility in the tex code while not sacrificing reproducibility.
– Richard DiSalvo
Nov 22 '16 at 21:25
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Opacity of div's background without affecting contained element in IE 8?
...l value, which works the same way as the opacity value.
See this page for more info: http://css-tricks.com/rgba-browser-support/
The down-side, is that this doesn't work in IE8 or lower. The page I linked above also lists a few other browsers it doesn't work in, but they're all very old by now; al...
Check free disk space for current partition in bash
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