Mario Cervera's Blog

Mario Cervera's Blog

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Mario Cervera

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Software craftsman. I write about Software Engineering (clean code, design, testing, ...) and also about Algorithms & Data Structures.

Common test smells

Sep 21, 2021 6 min read

Most of us are familiar with the problems exhibited by the systems that contain design smells (understanding the term “smell” as defined in Martin...

Common test smells

Code Structure vs Behavior in TDD

Aug 12, 2021 6 min read

Recently, I wrote a post about my talk at the 1st International Conference on Test-Driven Development (TDD). The post covers the part where I discuss...

Code Structure vs Behavior in TDD

My Talk at the 1st International Conference on TDD

Jul 28, 2021 5 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...

My Talk at the 1st International Conference on TDD

Refactoring long lists of parameters

Feb 10, 2021 8 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...

Refactoring long lists of parameters

Are design patterns still relevant?

Dec 29, 2020 10 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...

Are design patterns still relevant?

Big O notation and the Bachmann-Landau family

Nov 28, 2020 8 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...

Big O notation and the Bachmann-Landau family