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Javascript ã§ sprintf( "%04d" 987 ); ãããããã¨æã£ã var i = 123 ( "000" + i ).substr(-4) //=> 0123 ãªãã»ã©ï¼ substr ã¨çµã¿åãããã°ããã®ã > ( ("000") + 1 ) '0001' > ( ("000") + 1 ).substr(-1) '1' > ( ("000") + 1 ).substr(-3) '001' > ( ("000") + 1 ).substr(-4) '0001' > ( ("000") + 10 ).substr(-4) '0010' [1,2,3,4,5,6,7,8,9,10]. map(function(e){return e*e*e ;}). map(function(e){ return ("000" + e).substr(-4) }).join("
Is there any ready function which converts camel case Strings into underscore separated string? I want something like this: "CamelCaseString".to_underscore to return "camel_case_string". ...
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