Kafka 2.3发布后官网的Consumer参数中增加了一个新的参数:group.instance.id.下面是这个参数的解释: A unique identifier of the consumer instance provided by end user. Only non-empty strings are permitted. If set, the consumer is treated as a static member, which means that only one i
看代码学知识之(2) ListView无数据时显示其他View 今天看的一块布局是这样的: <!-- The frame layout is here since we will be showing either the empty view or the list view. --> <FrameLayout android:layout_width="match_parent" android:layout_height="0dip" and