mysql怎么设定explicit_defaults_for_timestamp=1
执行一下SQL语句时显示
SET GLOBAL explicit_defaults_for_timestamp = 1;
>> ERROR 1227 (42000): Access denied; you need (at least one of) the SUPER privilege(s) for this operation
打开设置为最大音量的应用程序。
NotificationManager n = (NotificationManager) getApplicationContext().getSystemService(Context.NOTIFICATION_SERVICE);
if(n.isNotificationPolicyAccessGranted()) {
AudioManager mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
int m
我的表单中有checkedlistbox、textbox和combobox。我得到了这个错误:-
The variable name '@Provision' has already been declared. Variable names must be unique within a query batch or stored procedure.
Must declare the scalar variable "@BloodGroup".
以前,当我没有为checkedlistbox使用for循环时,它工作得很好。在使用for循环时,我的combobo