How do I obtain the number of bytes before allocating the byte size of the array \'handsize\' as shown below as the incoming ByteArray data are sent in 3 different sizes. Thanks.
12123上怎么举报违法占用应急车道？应急车道是救命车道，普通车辆是不能占用的，如果在高速上发现有人占用了应急车道该怎么办呢？下面小编就为大家带来举报的流程吧。
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