how do users recover lost passwords? Note that it is not reset. all the passwords were saved as md5 at the beginning, but they can still be found? $password = md5 (trim ($_ POST [ "password "])); the database is full of md5 values, so you can t g...
ie prints the web page, the first page has content, from the second page starts to show blank, excuse me bosses, is there any solution? ...
problem description at present, a module is to be implemented, and different business components are rendered within the module according to different scenarios, so the function of this module component is similar to that of distribution. so I need t...
this is the case now. I use mongodb in scrapy to remove duplicates def process_item (self, item, spider): url = item[ file_url ] name = item[ name ] result = self.post.aggregate( [ {"$group": {"_id": {"url&qu...
pass in a set of data and draw a smooth curve. ...