Clean Code
Tell Don’t Ask - Learn to Talk to Your Objects
The Tell Don’t Ask principle explained with samples and Code Kata for you to train skills.
Clean Code
The Law of Demeter by Example
Learn the two rules of shy programming - The Law of Demeter explained with examples.
Clean Code
The OOP Has Been Explained Wrongly to Me
Years ago, when I was learning the basics of software development, I did not understand OOP correctly. It took me years to fix this mistake, so here is a start for you.
Architecture
DDD: Carving Out Read Models From The Application
Splitting application into microservices is not trivial, but with DDD approach it can be done simply. Learn, how we extracted a module with ease without changing core process logic.
Architecture
What Is HTTP 422 And Why You Should Use It?
HTTP status code 422 is not very common to use. However, returning Unprocessable Entity error will make your responses more meaningful. Learn when to use HTTP 422 and make your REST API easier to consume.
Testing
Optimise Testcontainers For Better Tests Performance
Startup of Testcontainers might take long time, but there are are multiple ways to speed them up. Use them to reduce test feedback loop!
Testing
Introduce Any Testcontainer Into Your Spring Application
Learn how to test your Spring application with infrastructure exactly the same as on your production.