🔎 This is JAVA Chengxian road. Pay attention to my learning JAVA and don't get lost 👍 If it helps you, give the blogger a free praise to show encouragement Welcome 🔎 give the thumbs-up 👍 Comment collection ⭐ ️
This chapter introduces the construction method, inheritance, rewriting, overloading and creation method in detail. The whole arti ...
Posted by bsamson on Thu, 10 Mar 2022 21:04:59 +0100
Demo prototype project that follows the compilation principle and main process to print 1 + 1 Results
Printing 1 + 1 results is so complicated that it is not a dazzling skill, but only for simple display: 1. Lexical analyzer; 2. Parser; 3. Script compiler; 4. There are four processes for compiling executors, because the ...
Posted by Big_Ad on Thu, 10 Mar 2022 20:14:59 +0100
🍅 Programmer Xiao Wang's blog: Programmer Xiao Wang's blog
🍅 Welcome to like 👍 Collection ⭐ Leaving a message. 📝
🍅 If you have an editor's error and contact the author, if you have a good article, welcome to share it with me, I will extract the essence and discard the dross.
🍅 Learning route of java self-study: Learning route of ...
Microservice architecture is an architecture mode. It advocates dividing a single application into a group of small services. Services coordinate and cooperate with each other to provide final value for users. Each service runs in its own process, and services cooperate with each other through lightweight communication mechanism (usually RESTFU ...
Posted by mudasir on Thu, 10 Mar 2022 11:26:51 +0100
Shiro550, as a classic loophole of HW in 2020, has attracted countless heroes to bow downIn that year's competition, many students won the core targets and difficult targets all over the country through 550. They benefited a lot from their participation, both in attack and defenseAlthough it is a local test WP written two years ago, the vulnera ...
Posted by Allan- on Thu, 10 Mar 2022 10:47:23 +0100
1, Introduction to EasyExcel
1. Application scenarios for Excel import and export2. EasyExcel features3. Case 1: Excel write operation by easyexcel4. Case 2:EasyExcel reading operation 2, Add function of course classification (back end)
1. Introducing easyexcel dependency2. Use the code generator to generat ...
Posted by amylisa on Thu, 10 Mar 2022 06:02:45 +0100
SpringBoot-24 - detailed explanation of jackson configuration of default Json framework
How spring boot returns JSON data
At present, there are three JSon formats provided by SpringBoot:
Default jackson Gson JsonB fastjson (this is provided by Alibaba and is now widely used in China)
We can see all these in the spring boot autoconfigur ...
Posted by Immortal55 on Thu, 10 Mar 2022 04:49:37 +0100
No Dialect mapping for JDBC type: 1111 problem solution
Error reporting reason
Because each database has its own dialect, and the simple understanding of dialect is to make a mapping relationship for the unique data types and functions of some databases, and 1111 can't find the corresponding value of dialect because there is no mapping relati ...
Posted by strangesoul on Thu, 10 Mar 2022 04:23:36 +0100
Note: mybatis plus is configured with multiple data sources. After adding transactions, the data source switching fails1, Scene descriptionFor multiple data sources used in the project, Impl has a method: MethodA.@Service
public class XXXXServiceImpl extends ServiceImpl<XXXXMapper, XXXX> implements XXXXSe ...
Posted by twister47 on Thu, 10 Mar 2022 03:42:50 +0100
Why write business code?Share a painful project maintenance experience directly to see if you have similar experience. At that time, I took over a maintenance project and received the task of adding a new display field as soon as I went to work. I thought it should be a small demand that can be solved in minutes, but I didn't expect it to start ...
Posted by rurouni on Thu, 10 Mar 2022 02:05:36 +0100