我每天都会重复闹钟.但它会有几秒或几分钟的错误.我怎样才能让它更准确?
PendingIntent pendingIntent = PendingIntent.getBroadcast(getActivity(), notificationId, myIntent, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager alarmManager = (AlarmManager)getActivity().getSystemService(Context.ALARM_SERVICE);
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.HOUR_OF_DAY, 12);
calendar.set(Calendar.MINUTE, 30);
long startUpTime = calendar.getTimeInMillis();
if (System.currentTimeMillis() > startUpTime) {
startUpTime = startUpTime + 24*60*60*1000;
}
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, startUpTime, 24*60*60*1000 , pendingIntent);
Run Code Online (Sandbox Code Playgroud) 我正在尝试创建一个大尺寸阵列(约80000*80000)
我试过了
int *bigarray = new int[80000*80000];
Run Code Online (Sandbox Code Playgroud)
但它给了我错误
抛出'std :: bad_alloc'的实例后调用terminate
():std :: bad_alloc
我想要做的是创建一个社交网络的边缘矩阵.
任何人都可以告诉我如何创建一个大型数组或任何其他方法来解决它?
谢谢!