I have been struggling with a problem for the past days in a Ruby on Rails App I\'m currently working on. I have different countries and for each country we use different Amazon S3 buckets. Amazon S3
Given: s = \"foo_bar_path\" How can I eval or constantize s, and pass arguments to it, such as my final result would be the equivalent of:
I would like to know how I would write a function that can 开发者_运维知识库accept as a parameter an associative container that itself accepts two or more template parameters. For example, if I want t
I\'m struggling to find a good reason why the following code does not compile. It gives me the following error.
How I can get all instance method names in the baz method call, which are only present in the Bar module (without other instance methods of this class) ?
I know that I can dynamically define methods on a class using define_method, and that I specify the parameters this method take开发者_高级运维s using the arity of the block.
I\'开发者_如何转开发d like to remove a class method that gets added to my class via the include function. For example:
I don\'t know if this can even be achivieable, but given these set of functions\\class: float plus1(float x) { return x+1; }
I know C++ template metaprogramming is Turing-complete. Does the s开发者_如何转开发ame thing hold for preprocessor metaprogramming?Well macros don\'t directly expand recursively, but there are ways we
What is this piece of code doing? class Object r开发者_JAVA技巧emove_const :File end Is it completely deleting[1] the class? When I call File.instance_methods after that piece of code, it\'s just s
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