Approximating square roots with Newton's method
Newton’s method is a way to approximate the roots of an equation. The idea is to start with an initial...
Blog
Dhemy’s blog is packed with articles on software development, productivity, data structures and algorithms, plus a sprinkle of personal musings!
How to organize your unit tests
One day, in the school of medicine, the lecturer told us an important thing about naming. He was explaining the...
What is a unit test
When I started writing this article few months ago, I got blocked by the idea of I’m going to write...
Math Notes about Sum Formulas
I’m working on enhancing my skills, expanding my knowledge and increasing my chances to pass technical interviews. Mathematics plays an...
We need more tests
Well, It’s not about Coronavirus pandemic this time 😷. Moisés Belchín Martínez (Moi), my awesome ex-CTO, keeps repeating these words...
PHP Real-world use cases of singleton design pattern
The singleton pattern ensures that a class has only one instance and provides global access to it. Okay, many developers...
How to test Elasticsearch in PHP applications
Starting from Elasticsearch 8.0, they introduced multiple breaking changes in the Elasticsearch client library. This article is intended to v...