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Pass variables to Ruby script via command line
...ARGV.each do|a|
puts "Argument: #{a}"
end
then
$ ./test.rb "test1 test2"
or
v1 = ARGV[0]
v2 = ARGV[1]
puts v1 #prints test1
puts v2 #prints test2
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Linux: compute a single hash for a given folder & contents?
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123
One possible way would be:
sha1sum path/to/folder/* | sha1sum
If there is a whole directory t...
Why is #!/usr/bin/env bash superior to #!/bin/bash?
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237
#!/usr/bin/env searches PATH for bash, and bash is not always in /bin, particularly on non-Lin...
Why historically do people use 255 not 256 for database field magnitudes?
You often see database fields set to have a magnitude of 255 characters, what is the traditional / historic reason why? I assume it's something to do with paging / memory limits, and performance but the distinction between 255 and 256 has always confused me.
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Android Replace “…” with ellipsis character
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… is the unicode for "…" so just replace it. It's better to have it as one char/symbol than three dots.
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Get user info via Google API
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122
Add this to the scope - https://www.googleapis.com/auth/userinfo.profile
And after authorizati...
Change how fast “title” attribute's tooltip appears
... want customization you may take a look at third party plugins such as qTip2 which mimic it using divs and stuff and provide you full control.
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In Gradle, is there a better way to get Environment Variables?
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244
Well; this works as well:
home = "$System.env.HOME"
It's not clear what you're aiming for. ...