Programming VIP

Work sharing - (demand: save the pictures locally for three months) Demand profile Recently, I have encountered such a demand in my work: save the image data of a business locally for three months. In our work, such a similar demand is common, so I share my practice this time as a reference for you. Specific needs There is a table i ...

Task scheduling refers to the automatic execution of tasks based on a given time point, a given time interval or a given number of executions 1. Preface Let's take a simple example: create a thread and let it run all the time in the while loop. The sleep method is used to achieve the effect of timed tasks. This can be implemented quickly and ...