Complete ruby noob. I have a value which I want to check against several numbers (1,4,7) and if it equals any 开发者_如何学运维of them, return false.
This question already has answers here: Closed 12 years ago. Possible Duplicate: Numeric comparison difficulty in R
I know that to filter an element with an atttribute called attrName which has value attrValue I do: filter(\"[attrName=\'attrValue\']\")
Please suggest some website or some book that deals with these topics in really good detail. I need to have a better understanding of th开发者_高级运维ese concepts (in reference to C++):
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