java cooperated with opencv to write a small monitoring software based on usb camera under windows system. saved on disk in the form of 8 photos per second, resulting in too many fragmented files. it takes too long to delete using the normal delete com...
PHP business interface, you need to write a detection script. Executing the script in the monitoring system can self-check, but the parameters of the interface are not fixed. How to deal with this generally? for example, the interface of an order, the ID...
it doesn t seem to work like this. 1D represents the increment of the past 24 hours, not from zero today. sum(increase(sms_count[1d])) also, how can this query be written to display increments according to the range selected by grafana s time range?...