我正在尝试使用RVM安装Ruby 1.9.3-p392。我收到以下错误: - Searching for binary rubies, this might take some time.
ruby-1.9.3-p392 - #configure
ruby-1.9.3-p392 - #download
There is no checksum for 'https://rvm.io/bina
我有一本书模型,它是一个Ruby脚本,指定价格在节目中提到的某些预定书名。以下是书籍模型的外观: - class Book
attr_accessor :books
def initialize books
puts "Welcome to setting book price program"
@books = books
end