小编Ind*_*a K的帖子

我正在使用rspec-rails 3.0.1测试rails 4.1.0应用程序.rspec命令正在打印有关我在应用程序中使用的gem的大量警告.我在下面列出了一部分输出.我想知道是否有可能抑制这种情况.

/home/indika/Documents/rails/news_app/config/initializers/kramdown.rb:6: warning: method redefined; discarding old convert_img
/home/indika/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/kramdown-1.4.0/lib/kramdown/converter/html.rb:259: warning: previous definition of convert_img was here
/home/indika/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/mail-2.5.4/lib/mail/network/delivery_methods/sendmail.rb:53: warning: shadowing outer local variable - to
/home/indika/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/factory_girl-4.4.0/lib/factory_girl/find_definitions.rb:16: warning: File.exists? is a deprecated name, use File.exist? instead
/home/indika/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/factory_girl-4.4.0/lib/factory_girl/find_definitions.rb:16: warning: File.exists? is a deprecated name, use File.exist? instead
/home/indika/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/factory_girl-4.4.0/lib/factory_girl/find_definitions.rb:16: warning: File.exists? is a deprecated name, use File.exist? instead
/home/indika/Documents/rails/news_app/spec/factories/news_articles.rb:1: warning: method redefined; discarding old ruby_iterator_code
/home/indika/Documents/rails/news_app/spec/factories/news_articles.rb:1: warning: previous definition of ruby_iterator_code was here
/home/indika/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/database_cleaner-1.3.0/lib/database_cleaner/configuration.rb:45: warning: instance variable @cleaners not initialized
/home/indika/.rbenv/versions/2.1.1/lib/ruby/gems/2.1.0/gems/rouge-1.5.1/lib/rouge/regex_lexer.rb:136: warning: …

在MySQL中,INT数据类型的存储要求是否随表中存储的实际值而变化？

我正在使用Ruby和BinData gem 实现数据结构.我需要实现一个Choice值.根据BinData文档,可以选择实现:

class MyData < BinData::Record
  uint8  :type
  choice :data, :selection => :type do
    type key #option 1
    type key #option 2
  end
end

我需要在选择中有一个默认选项:

class MyRecord < BinData::Record
    uint8 :type
    choice :mydata, :selection => :type do
            uint32 0
            uint16 1
    end
end

如果type不是0或1在上面的代码中,如何处理？