I\'m trying to understand the difference between *(1..9) and [*1..9] If I assign them to variables they work the same way
I\'m wanting to use the &method(:method_name) idiom when there\'s more than one object required by method_name. Can I do this under Ruby 1.9?
In Python and Ruby (and others as well, I\'m sure). you can prefix an enumerable with * (\"splat\") to use it as an argument list. For instance, in Python:
If I have a method like: def sum *numbers numbers.inject{|sum, number| sum += number} end How would I be able to pass an array as numbers?
When looking at开发者_JS百科 the source code for raphael or g.raphael or other libraries I\'ve noticed the developer does something like this:
New to Ruby and work开发者_如何学Cing on a problem where I\'m trying to accept multiple splat arguments in the method. I think I understand why it\'s giving me the compile error, but I\'m not sure how
I\'m trying to write some PowerShell functions that do some stuff and then transparently call through to existing built-in functions.I want to pass along all the arguments untouched.I don\'t want to h
This code seems to create an array with a range from a to z but I don\'t understand what the * does. Can someon开发者_如何学Ce please explain?
Run the following code, a = [1, 2, 3, 4, 5] head, *tail = a p head p tail You will get the result 1 [2, 3, 4, 开发者_开发技巧5]
I wanted to create a cross-platform 2D game engine, and I would like to know how to create a cross-platform project with Makefile, so I can compile it to the platforms I choose with custom rule for an
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