免责声明:我是python的新手!usefullines = [line for line in file until stopterm in line]usefullines = [] usefullines.append(line) break
这不是世界末日,但是由于Python语法的其余部分是如此简单,我希望有一个1思想&
我有两种型号的user_item和user_item_images。user_item.rbvalidates :user_item_images, presence: {message: "You must include a picture" }belongs_to :user_item
我有一个嵌套表单,只