I want to use hibernate validation to implement back-end data validation. As required, I need to introduce EL dependencies. But when I added the javax.el dependency to .run, the following bugs, appeared and I looked up a lot of answers online. But still...
in the Html page, using el expressions, there is no problem binding backstage values, but how to use background methods to deal with values? <th:block th:each="post : ${users.list}"> <tr th:cid="${post.uid}"> &l...
in the process of WEB development, for example, when a runtime exception occurs in the Dao layer, the exception information can be captured and printed in the WEB exception handler. However, when requesting to which Dao layer, it is assumed that there a...
Qiniuyun calls OCR ID identification API, Authorization: Qiniu < AccessKey >: < Sign > Generation method Auth auth = Auth.create(acKey, scKey); String signature = auth.signRequestV2("http: ai.qiniuapi.com v1 ocr idcard?uri=http: img3.red...
problem description if there are too many choices of the mechanism, the drop-down box will not be seen, the mechanism will appear outside the selection box, and I have a fixed length . the environmental background of the problems and what methods you...
after the front end is developed in React, you want to try the front and back end separate deployment. then uses koa2 and http-proxy-middleware to implement the proxy. const Koa = require( koa ) const path = require( path ) const proxy = require( ...
topic description I wrote a chart using the echars framework, which has been implemented in a div, but I also need to use this chart on other pages, so can I encapsulate this div as a component and use it on other pages sources of topics and their o...