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Circle line-segment collision detection algorithm?
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Can I invoke an instance method on a Ruby module without including it?
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The module_function approach below will avoid breaking any classes which include all of Mods.
module Mods
def foo
puts "Mods.foo"
end
end
class Includer
include Mods
end
Includer.new.foo
Mods.module_eval do
module_function(:foo)
public :foo
end
Includer.new.foo # this would brea...
How to get the mouse position without events (without moving the mouse)?
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CALL command vs. START with /WAIT option
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How can I call controller/view helper methods from the console in Ruby on Rails?
...rency('123.45')
=> "R$ 123,45"
If you want to use a helper that's not included by default (say, because you removed helper :all from ApplicationController), just include the helper.
>> include BogusHelper
>> helper.bogus
=> "bogus output"
As for dealing with controllers, I quo...
Check whether user has a Chrome extension installed
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