The project uses springboot1.3.7 and the default jackson-databind version: 2.8.5, but now we have a dependency package that needs to use jackson-databind2.9.6, otherwise an error will be reported: java.lang.NoSuchMethodError: com.fasterxml.jackson.data...
< H2 > how to use jackson to deserialize nested json fields to objects < H2 > { "id":1, "name":"Bitcoin", "quote":{ "USD":{ "price":9283.92, "market_cap":158055024432 } } } deserial...
< H2 > demand < H2 > what I want to do is to trigger (.size) lazily load all the data of the associated table when needed, do not load the data of the associated table when not needed, and do whatever I want. < H2 > question < H2 > my table entity...
spring boot automatically formats attributes of time type as string (String), when controller outputs an object as @ ResponseBody. I don t want to do this. I want to calculate time at the front end, so I want spring to output the properties of time typ...
there is no problem with the junit unit test, but there is an error when you pack it into a war package and run it in tomcat and use postman to send a simulation request. this is the code part. You want to implement the hot loading function of the jar ...
the fasterxml.jackson.core package is used to parse the map data and return it in json format. The specific method is that the return method called by writeValue (Writer w, Object value), is universal, and there is no problem with the return of other bus...
SpringBoot is configured with jackson format, but it does not take effect spring: datasource: url: jdbc:mysql: localhost:3306 test?useSSL=false username: root password: root driver-class-name: com.mysql.jdbc.Driver platform: mysq...
which orm framework is better for node + koa + mysql. I hope you can let me know if you have used it. Thank you very much ....
the default program entry for projects created using create-react-app is index.js,. The default home page is public index.html. But I want to do multiple web pages in the project, how can I associate index.js and index.html in the about directory? ...
problem description as the title, my original idea was to make something like RocketDock, but first of all, I began to encounter difficulties when I drew the form. If you set the Opacity of the form to 0, then all the controls on the form together wit...
what is the solution to left alignment if there is not enough item on the last line of flex-box? ...
The granularity of the data stored in the table is relatively fine, so you need to make statistics according to the two fields in the table. select B.col2,count(col2),sum(t.num) from ( select col1,col2,count(col3) as num from A where A.stat...