Recent practice creeper, to take a practice to climb CSDN BBS post,
Plan is on every plate of pending , resolved and essence post title to crawl
Climb up to the first plate HongMeng OS BBS essence post when empty, crawl problems not
When climbing to the second plate EdgeX Chinese community BBS resolved is null, the problem then
The problem is the database are repeated
Such a situation should with what method to solve is better?