Programmer Think

Configured with springboot @EnableTransactionManagement @Transactional But things don't work at all. First, the first point: Spring's AOP transaction management is rollback for runtimeException by default, which is unchecked exceptions. unchecked exception exceptions are subclasses of runtimeException. Do not roll back if you encounter check ...

Hello, I'm Silent Wang Er, a programmer as tall as Huang Jiaju and as beautiful as Liu Dehua (I don't trust to watch around friends).From the age of the two idols, you can tell that I'm over 10 years old, but to be honest, I've always believed that I'm only 18 because learning makes me young.This article is going to talk about "Spring's A ...

Interpreter Pattern refers to a given language that defines a representation of its grammar and defines an interpreter that uses that representation to interpret sentences in the language.It is a mode of parsing according to the prescribed grammar. For example, a compiler can interpret source code compilation as machine code so that the CPU can ...

This chapter covers the redis interface Aspect signature swagger2 1. Install redis on Linux centOS server. Go to the Internet for specific installation commands. It's relatively simple. I used the config set maxmemory policy volatile LRU policy 2. Create an empty module project Add pom dependency <dependencies> <dependency> ...

Opening chapter Today's websites basically have the function of email registration. After all, they can send users some spam recommendations on a regular basis It is very important. To get back to the point, first of all, we need to make a few points clear ==What information do you need for email registration? = = Basic: email address, passwo ...

Click to go to: Alibaba big fish - error code of SMS interface call (error reason and handling method) Previous: Alibaba big fish SMS service - sending verification code and SMS notice User registration -- SMS verification code (Java integrated Alibaba big fish SMS service) 1, analysis 2. Back end code 2.1. Alibaba big fish tool class (smutil ...

Yunqi information:[ Click to see more industry information]Here you can find the first-hand cloud information of different industries. What are you waiting for? Come on! This year's Wuhan University is not as crowded as before, but the beautiful cherry blossom is still blooming alone in spring Wuda has opened a live broadcast of Cherry Blossom ...

1 simplified configuration Spring provides a simplified configuration for literals, reference beans, and collections, so if you don't use the special features in the complete configuration, it is recommended to try to use a simplified configuration. 1.1 face value 1.1.1 literal attribute Before simplification: <property name="na ...

Give an example: For example, you should know that the @ Repository, @ Service, @ Controller annotations in the Spring framework are all marked by the @ Component annotation in the source code Question: Can you find the classes marked by @ Repository, @ Service, @ Controller by scanning @ Component annotation in native reflection or Spring ...

About the use of the mybatis generator plug-in, the main task is to write the configuration file of the plug-in. The database information used in this instance is as follows. The database name is world, including three tables: city, country, and country The structure of the city table is as follows: The country table structu ...