start with java code: public class TUtil { public static <T> T getT(Object o, int i) { try { return ((Class<T>) ((ParameterizedType) (o.getClass() .getGenericSuperclass())).getActualTypeArguments...
use ParameterizedType in the class to get the generic class of the entity class of the class has the following code: public class Demo<T> { private Class<T> clazz; public T getDemo() throws InstantiationException, Illegal...
description wants to be a data component similar to orm. If you encounter this problem, convert the response of a [] map [string] interface {} into a structure array of the corresponding type . ideas read the source code of orm and some articles on...
Thread 1 and thread 2 get the a method of class A through reflection at the same time, so which part of the method obtained by thread 1 and thread 2 is in memory? Are thread 1 and thread 2 getting the same method address? ...
about the problem of Java, we usually get the results by using the stack as a keyword to the search engine. :) the problem encountered this time is a bit interesting, and the procedure is very simple, so just ask a question. what s wrong with the fol...
is there any other way to dynamically create objects by reflection ...
problem description as shown in the title, an array uses v-for to loop through the array for rendering. When the user clicks the delete button, the corresponding array elements should be deleted and the dom should be updated. but I don t know why...
ask everyone if iView supports mobile? ...
for example, in the nodejs environment, there is a global variable global, which I defined directly when I didn t use typescript before. for example, redis instances and database instances are all defined as global instances. When it comes to typescrip...
example: you need to enter an image name in the input box, click the upload button to get the image in the project directory, and then upload it to the backend in the form of multipart form-data. Since there is no place to click to open the file box, I ...
server { listen 80; server_name localhost; location a { root test nginx a; index index.html index.htm; try_files $uri index.html =404; } location b { root test nginx b; index ind...