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 ...
has not done much front-end, the company s business needs to temporarily learn the vue, please ask the eldest brother to advise. I sent a reference called "cur_project " in the subcomponent through props. There is a subarray "list_dbsource " in "c...
< H2 > about the bitmap exported by cutterman in pnhotoshop. < H2 > 1, suppose I have a @ 2x mobile design artboard of 750mm 1334 and a bitmap with the original size of 600x300 (not vector graphics and shapes, ordinary bitmaps) 2@2x1.5@2x 3cut...
var a=[ [ 1 2 3 ], [ 4 5 6 ] ]; var b= [ [78910], [11121314], [15161718], [19202122] ]; concatenate each element in array a (1p2p3, etc.) with ...
the latest vue scaffolding, vue-cli3 failed to introduce mint-ui completely according to the tutorial on the official website of mint-ui. import Vue from vue import MintUI from mint-ui import mint-ui lib style.css import App from . App.vu...
pytorch has been successfully installed according to conda install pytorch torchvision cudatoolkit=10.0-c pytorch cuda and cudnn on the official website. Through the nvcc instruction, you can see that it is Cuda compilation tools, release 10.0, V1...