Mario Cervera's Blog

Mario Cervera's Blog

My Talk at the 1st International Conference on TDD

Jul 28, 20215 min read

Last July 10th, we could witness the first International Conference on Test-Driven Development (TDD). It was a historic event. The lineup included big names such as GeePaw Hill and one of the original signatories of the Agile Manifesto: James Greenin...

My Talk at the 1st International Conference on TDD

Refactoring long lists of parameters

Feb 10, 20218 min read

There seems to be no agreement in the software engineering community about how many parameters are too many for a function. This should come to no surprise. The ideal number of parameters for a function need not be the same as the ideal number of par...

Refactoring long lists of parameters

Are design patterns still relevant?

Dec 29, 202010 min read

Design patterns became popular during the 90s, when the “Gang of Four (GoF)” (Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides) wrote the well-known book: "Design Patterns: Elements of Reusable Object-Oriented Software" This book is one...

Are design patterns still relevant?

Big O notation and the Bachmann-Landau family

Nov 28, 20208 min read

Most of us, software engineers, are familiar with (or, at least, have heard of) the well-known "Big O" notation (O-notation for short). The reasons are diverse. O-notation is a concept that arises frequently in technical interviews, so it is likely t...

Big O notation and the Bachmann-Landau family

What is the essence of clean code?

Nov 16, 202010 min read

When we hear the term “Clean Code”, we usually think about the well-known book that was written by Robert C. Martin (also known as Uncle Bob): “Clean Code: A Handbook of Agile Software Craftsmanship” (2009) Ever since this book was published, the t...

What is the essence of clean code?

7 non-obvious benefits of automated testing

Oct 26, 20205 min read

I started exploring the fascinating world of test automation seven years ago. Right from the start, it was clear to me that testing has important benefits. Anywhere I read back then, I found people describing how testing leads to savings in developme...

7 non-obvious benefits of automated testing