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 endofline.wordpress.com
The Strange Ruby Splat | End of Line
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One Base Class to Rule Them All
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postmodern - introducing command_mapper
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Ruby : What is the *(asterix) in function param : *arg - My Daily Technical Notes [ Ruby, Rails, Gems, Server Ops]
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| | The*is thesplatoperator.It expands anArrayinto a list of arguments, in this case a list of arguments to theHash.[]method. (To be more precise, it expands any object that responds toto_ary/to_a, orto_ain Ruby 1.9.) To illustrate, the following two statements are equal: method_name arg1, arg2, arg3 method_name *[arg1, arg2, arg3] It can also be used in a different...
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Small objects and pointer tagging | Max Bernstein
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| Optimizing bytecode interpreters by avoiding heap allocation