What is dependency injection
Dependency injection is today one of the most misunderstood concept in modern web development. Learn it the hard way.
Read More 19
Servlet to Spring: Adding in memory database
In this part of “Build a shopping cart hard way”, we will learn how to use persistence and JDBC.
Read More 41
What is primary key in SQL
Primary key is often misunderstood concept by most of the developer, when you say primary key, do you mean natural key or synthetic key?
Read More 4
What is a database?
Have you ever tried building your own database? If you did, how hard do you think it would be?
Read More 5
