When I started Version 1.2.1 of Apache IoTDB on the client side, then a warning popped out with the information: WARNING: Failed to load history java.lang.IllegalArgumentException: Bad history file syntax! The history file "/home/pi/.iotdb history-1505998205-6667-3586402 may bean older history
. Can I delete this history file from the directory to deal with this warning? I want to know are there any other things I need to do?
$db_user="root"; $db_host="localhost"; $db_password="root"; $db_name = "fayer"; $conn = mysqli_connect($db_host,$db_user,$db_password,$db_name) or die ("couldn t connect to server"); // perform query ...