Ruby, Rails, Java, Redmine & Backend Blog

Technical posts by Anderson Alvarez Vásquez about Ruby, Rails, Java, ActiveRecord, Redmine, PostgreSQL, SQL, backend interviews and practical software engineering.

• Spring Boot Validation Explained with Practical Examples
• JPA vs Hibernate Explained for Backend Developers
• Spring Boot REST API Best Practices for Backend Developers
• ArrayList vs LinkedList in Java for Backend Developers
• HashMap vs ConcurrentHashMap in Java for Backend Developers
• Java Collections Framework Explained for Backend Developers
• Exception Handling in Java for Backend APIs
• Java Records Explained for Backend Developers
• Dependency Injection Explained With Java and Ruby Examples