problem description I have read a lot of articles on the Internet, and they all say that optimistic locks are generally the way to add version fields and use CAS. However, we all know that it is very troublesome to implement this solution in a project...
the element-ui dialog component is used internally in iframe. Can it be popped up in the parent layer of the iframe? this is a background management system, the back end does not allow the separation of front and rear, as long as I put out the static ...
<html> <srcipt > 1 <srcipt > 2 .... < html> there must be no problem when loading. If I want to get a specified srcipt tag, I can get the element by getting the < script > array and then using the su...
problem description now you want to customize the pop-up layer of an input box, hoping that the default input box will not be displayed when input gets focus the environmental background of the problems and what methods you have tried take the ini...
Vueaxioshttp: locahost ...net::ERR_CONNECTION_REFUSED? header("Access-Control-Allow-Origin:*")...
Under what circumstances will recvfrom return Invalid argument? I have set the last two parameters to nullptr , but this still happens . the general process is as follows: class socketTCP { public: ... private: int fdTCP; int fdUDP; }; b...