如何使用ruby啟動瘦服務器? require':無法加載此類文件-應用(LoadError) [英]How can I start my thin server using ruby? require': cannot load such file — app (LoadError)
在ruby中,我怎么知道哪個模塊被定義為'load'或'require'? [英]in ruby, how can I know what module is defined as result of a 'load' or 'require'?