How do I check, in DrScheme, whether a string contains a given character / sub开发者_如何学JAVAstring? How do I include the proper module if it is defined in a module?In DrScheme, assuming the languag
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a
I\'m trying to find the \"best\" implementation of a multi-argument \"compose\" in Scheme (I know it\'s a builtin in some implementations, but assume for the moment I am using one that doesn\'t have t
In Chapter 9 of the Little Schemer, the Author presents the following two functions (define Q (lambda (str n)
% isn\'t defined. modulo only works on integers. I want something equivalent to Java开发者_StackOverflow社区script\'s modulo / c\'s fmod.I don\'t know scheme, but mathematically you could do something
Is there a for loop or for each loop in Scheme ? I\'ve been searching around and found there is a keyword \"every\" but the scheme compiler language I\'m using does not have this function pre-build i
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a
开发者_StackOverflow中文版like convert (1 2 3 4) to 1234~The problem is characterized by coalescing a list into a single value, strongly suggesting use of a fold:
pow, ^, ** doesn\'开发者_C百科t work, and Scheme seems to be too common a word to be able to effectively google it.From R5RS Standard Pocedures:
I realize this is a total n00b question, but I\'m curious and I thought I might get a better explanation here than anywhere else.Here\'s a list (I\'m using Dr. Scheme)
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