摘要：其实很简单Ruby的Array类自带了min方法可以求出最小值，然后调用Array的index方法传入元素值就可以求出下标1 a = [1, 2, 3, 4, 5, 6] 2 theMin = a.min #=> 1 3 theIndex = a.index(a.min) #=> 0 阅读全文

摘要：做解密发现的：1 m={}2 File.open("test1.txt") do |f|3 f.each_line do |line|4 line.chomp! #去除每行结尾的回车(\n)，加!可以改变line5 line.spl... 阅读全文

摘要：flag = FileTest::exist?("LochNessMonster")flag = FileTest::exists?("UFO")# exists? is a synonym for exist?OK了 阅读全文