java
a high level computer programming language
-
JavaScript filtering multi tier data structurelet promotGroups = [ { "promotionId":"1111111111", "promotionName"...2 answers -
On the use of Java for do object classRead the introduction of do, dto and VO on the Internet. There is a question about do. The...1 answers -
Questions about TCP's four waveLocal IP: 192.168.1.77 The client and server capture packets on the same machine as follow...1 answers -
Springboot requests view to be added automatically . VM suffix errorThe code is such a simple request background request: /** * 定向去首页 * * @return */ @RequestM...0 answers -
Spring security is used in spring boot 2.0 projects. How can I set it to call the custom login pageSpring security is used in spring boot 2.0 projects. It always enters the default login pa...0 answers -
0 answers -
Is the empty string equal to?Beginners java, Title Requirements: display "enter name" on the screen, and then s...2 answers -
Does spring AOP custom annotation declare that AOP pre notification does not take effect on a class?Annotated code @Documented @Inherited @Target({ElementType.METHOD, ElementType.TYPE}) @Ret...1 answers -
How to design Dao layer and service layer after using mybatis plus?Previously, we used mybatis, Dao layer to write all kinds of SQL statements, and service l...1 answers -
Questions about the performance of PageHelper, the mybatis paging plug-inLet's talk about the basic situation first The usage of mybatis paging plug-in PageHel...2 answers -
In Android development, the client connects to the server through socket. Every time a message is sent, a new port will be opened. Can the port be fixed?Recently, I wrote an Android client login program to connect to the server. Every time I c...2 answers -
How can springddatajpa create a pageable that is not paged but sortedpublic Pageable createPagenation() { int page = WebClass.requestToInt("pageNo"); i...1 answers -
Calculation of byte number of C language stringDaniel, why is the number of bytes of s 10 and that of T 6? Isn't it true that the sys...3 answers -
Kafka consumer group distribution problemThe scenario is to use Kafka to collect the front-end request data, and the back-end start...2 answers -
For JSON string signature encryption, the string from the stream looks the same as that on the postman, but the result of signature encryption is different. Why?I call an interface written by myself, and the incoming JSON string is as follows: { "...2 answers