1. Imagine You Have a Motorcycle and a Bicycle 🏍️🚲 Hey, developers! Today, let's learn another important SOLID principle in Java: the Liskov Substitution Principle (LSP). Don't worry about…
1. Imagine You Work in a Restaurant 🍽️ Hey, developers! Today, let's learn another important SOLID principle in Java: the Interface Segregation Principle (ISP). Don't worry about the technical…
1. What Is the Dependency Inversion Principle? Hey developers! Today, let's learn one of the important SOLID principles in Java: the Dependency Inversion Principle (DIP). Don't worry about the…
Authentication and Authorization for Backend Engineers Authentication and authorization are two of the most fundamental concepts in backend engineering. Almost every modern application needs to answer two questions: Who…
Serialization and Deserialization: A Practical Guide for Backend Engineers When building backend systems, we constantly move data between different applications, services, and machines. A browser sends data to a backend…
When a client such as a web application, mobile app, or another service sends a request to a backend server, the server needs to understand what the client wants to…
Understanding HTTP for backend engineers, where it all starts * ### 1. Core Principles of HTTP HTTP (Hypertext Transfer Protocol) is an application-layer protocol (Layer 7 in the OSI…
