Posts

Read about Machine Learning, Software Architecture and good software craftsmanship practices.

What is software architecture?

Why is the word architect in our industry not always associated well? Should an architect participate in programming? What is software architecture really like? Is it possible to describe architecture in one sentence?

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The right way to call assertion in PHPUnit

During the preparation of TDD workshops, I began to think about how to write assertions. It turns out that there are several possibilities, but is there the only correct one?

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Text data classification with BBC news article dataset

The goal of this post is to explore some of the basic techniques that allow working with text data in a machine learning world. I will show how to analyze a collection of text documents that belong to different categories.

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Clustering Chicago robberies locations with k-means algorithm

Using the real dataset of crimes committed in Chicago, I will divide the robbery locations into a bunch of different clusters. Then I will try to visualize results and answer the question of whether we have chosen well parameters for our algorithm.

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Binary heap implementation in PHP

Short explanation what is binary heap and how to implement it in pure PHP from scratch. I will show you how to compare it with native solution (SPL). Performance results are surprising.

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When the expert becomes a leader

Very often in the life of an expert there is a moment when he wants (or it must) to become a leader. These are two different roles that are very difficult to reconcile with each other. In this post I will present some useful techniques that can help experts become a good leader.

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Write your own simple chess AI in PHP

A brief history of how to start writing your own chess engine in PHP. You will learn some basic algorithms, prepare a solid foundation allowing for further development and finally I will consider how you can push your AI further.

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Design Patterns - Strategy

One of the main assumptions of good project programming is the 'Open/closed' principle, which says that classes should be closed for modification, but open to extension. The strategy pattern allows you to easily maintain this standard in your code.

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