cAuth.sql ...
how to give an answer to the satisfaction of the interviewer? ...
requirements: js dynamically calculates the header width and fixes the header. problem: the width of the th of thead obtained by using jquery width () is different between the two browsers chrome: firefox: ...
http is a stateless protocol that cannot identify who is accessing the application. So use token as the key between the client and the server for identification. but when does the front-end request need to carry token? Is it necessary to access those in...
use sql to query the database, and if there is no data in the field, set the data in the field to a certain value? How to write such sql ? ...