How does android ble4.0 determine the readable, writable and notifiable attribute of BluetoothGattCharacteristic

how does android ble4.0 determine the readable, writable and notifiable attribute of BluetoothGattCharacteristic

Mar.15,2021

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3a4bd-2c207.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3a4bd-2c207.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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