Xing's Blog

Explain how AWS evaluates policies when a principal makes a request to access a resource.

Spring Boot Integration with JdbcClient

Spring Boot Integration with Postgres

Spring Boot Integration with MySQL

@Transactional annotation is used to define the scope of a single database transaction. If there is an exception thrown in the method, the transaction is rolled back. If the method completes successfully, the transaction is committed.

LocalStack is a cloud service emulator that runs in a single container on your laptop or in your CI environment.

HashMap class is a very common class in Java. It is used to store name-value pairs.

Rename a branch in Git locally and remotely.

Iterate elements in a HashMap using different methods in Java.

To run MySQL using Docker Compose

Understand SQL statements is very important for database developers. In this article, we will discuss the execution order of SQL statements.

JSON Navigation with Jayway JsonPath: A Comprehensive Guide

Jackson ObjectMapper

Spring Boot WebClient class is a non-blocking, reactive client to perform HTTP requests.

Spring Boot auto-configuration makes it easy to configure your application.