@marcin-wosinek

Changes in programming made possible with AI

Dec 22, 2025 · 2 min read · I’ve been working in programming for the last 16 years. Let’s see what changes I see in our industry that are enabled by generative AI. Rapid prototyping The last few months, I’ve been working on a set of WordPress plugins, related to event organizat...

Advantages of unit testing—with examples in Jasmine

Feb 15, 2024 · 5 min read · Writing unit tests takes time and effort. Nonetheless, many teams insist on writing them anyway—that’s because of the benefits they bring to a project. Those benefits are mainly the following: fast feedback—unit tests speed up each iteration of twea...

Pure functions and basic tests in Jasmine

Feb 8, 2024 · 5 min read · Pure functions are the perfect case for unit testing. For a given input, we always expect the same output—there is no internal state involved. Let’s take a look at a few examples and some simple tests that check if the methods work as expected. Jasmi...

How to prepare for a job interview

Feb 1, 2024 · 4 min read · Let’s say you have a job interview in a few days. How should you prepare for it so that you can make an informed decision about joining the company, as well as make sure that your interests are taken care of? Prepare your questions An interview is a ...

How to build a demo project

Jan 25, 2024 · 8 min read · Creating example projects is a common way of showing your skills to potential employers. Let’s take a look at what’s important to keep in mind when building personal projects with an eye toward impressing prospective employers. Simplicity Building ap...