Although no data was serialized, the sample must implement this method to cover the component initialization when the instance is created as part of a template.
尽管未对数据执行序列化,但是当作为模板的一部分创建实例时,样例必须实现这个方法来涵盖组件初始化。
Although we do not need this for the blog itself, it will be needed later as part of the RSS feed.
尽管blog本身并不需要此字段,但后面需要将其用作rss提要的一部分。
It is not quite the same sort of argument, however, as the one about limiting knowledge, although this is surely part of it.
这是不太一样的说法,不过,由于其中约有限制知识虽然这是必然的一部分。
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