Blog
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5 reasons why you should write unit tests
Unit tests are short, automated tests that verify the behavior of individual modules, or “units” of code. These units can be functions, methods, or classes. Each test checks whether a given function behaves as expected—for example, by confirming it returns the correct result for a specific input. Example of a Unit Test Let’s say we…
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Differences between thenReturn and thenAnswer in Mockito
The Mockito framework is one of the most popular testing tools in Java, especially useful for creating unit tests. One of the most important tasks in testing is simulating the behavior of objects to check how the code under test reacts to them. Mockito allows you to do this by stubbing methods using thenReturn and…
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Progressive Web App (PWA): What is it and why is it worth using?
A Progressive Web App, or PWA, is an approach to building web applications that combines the advantages of websites and mobile apps. A PWA offers fast access, ease of use, offline functionality, and the ability to be installed on a device without needing to download it from the App Store or Google Play. Nowadays, more…
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Blockchain and mobile applications – Which industries can benefit?
Blockchain is a technology that is increasingly being used outside of the world of cryptocurrencies. Its properties, such as decentralization, security, and transparency, make it a key tool in many sectors. When combined with mobile applications, blockchain opens new possibilities for various industries. How can these industries benefit from it, and which sectors are likely…
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How to make money from a mobile app in 2025? Monetization models that work
Creating a mobile app is not just about having an innovative idea and good technology, but also about a well-thought-out monetization model. To make an app profitable, it’s important to choose the right earning strategy already at the planning stage. Which monetization models work best? Below are the most popular ways to generate revenue from…
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4 recommended web hostings
Choosing the right hosting for a website is an important step in its development. The appropriate provider will provide you with stability, speed, and technical support to avoid problems with the site’s operation. In this post, we’ll take a look at four recommended companies: MyDevil.net, Small.pl, LH.pl and dHosting.pl each of them has its own…