我是ruby的新手,想更深入地了解活动记录库。我应该从哪里开始呢?是否有任何印刷/在线书籍/资源可供我浏览?我偶然看到了由Kevin Marshall,Chad Pytel和Jon Yurek所著的"Pro Active Record: Databases with Ruby and Rails“一书。
val receiptDetails = headerView.findViewById(R.id.tb_receipt_details) as TextView val invoiceDetails = headerView.findViewById(R.id.tb_invoice_details) as TextView
val summary = headerVi