[ 48.008575] usb 4-3: >Device not responding to set address.[ 48.212421] usb 4-3: >device not accepting address 9, error -71
[ 48.324451] usb 4-3: >Device[ 48.528340] usb 4-3: >Device not responding to set address.[ 48.732165] usb 4-3</e
在sql中搜索RFID的最快方法是什么?如果有具有4个字节作为标识符RFID,那么我可以进行搜索 Where u.RFID1 = a And u.RFID2 = z And u.RFID3 = e And u.RFID4 = r " 或者我可以把RFID做成一个大的 ((RFID1*256+RFID2)*256+RFID)*256+RFID4 and search for that va