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...
problem description the sdk used is aliyun-log-php-sdk (I put Ali s source code on it myself). There are frequent errors in sentry these days . error message is Request is failed. Http code is 500. The return json is {"errorCode":&quo...
there is a DC_CommodityItem table, and the primary key is CommodityItemID . I want to delete one of the data. If there are other tables that use CommodityItemID as a foreign key, I may report an error how to find a table that uses CommodityItemID as a ...
as shown in the figure, how to access $data? outside anonymous functions more elegantly ...
I originally downloaded node via nvm (v7.8.0), when node had integrated npm (figure 1), and I installed another npm globally through this npm (figure 3). Recently I downloaded node via nvm (v10.15.0), but I don t see npm in the folder (figure 2). Is the...
what technologies, frameworks and libraries are needed to achieve a house-wide roaming effect such as Kujiale ? I don t have this kind of experience at all. I hope God can give me some guidance . www.kujiale.com ...