public String save (@ RequestBody @ Valid Stad stad) there is no problem when there is only an object. Now, when saving the object, there is still a file to upload at the same time. because the object encapsulates json in the data, can I convert the...
I installed mingw on my computer and then downloaded the openssl source code installation prompt as follows: Perl v5.10.0 required--this is only v5.8.8, stopped at. configure line 12 BEGIN failed--compilation aborted at. configure line 12 then I ...
how to break down components, there will be a lot of communication code between components, and the loss outweighs the gain, but in this way, there is too much code, which is difficult to maintain. is there any good solution, The page has five piece...
could not initialize proxy-no Session error occurs when querying data after dubbo+SSH application starts the environmental background of the problems and what methods you have tried tried to add serialization types to the configuration related c...
I am downloading Meituan takeout data now, but there are three problems. one is that the address of the restaurant always changes. As soon as I got the list of restaurant URLs at the first level, the second level showed that I did not have access to the...
two input boxes, listen for the keydown event to one of the input boxes, and assign its value to the other box, but the value is always one bit less, so there is no problem with the keyup event <div class="test"> <input class=...