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Quality Assurance

Improve your tests and codebase by „Mutation Testing” – part 2

In the previous article I presented the main idea of Mutation Testing. In order to better understand this concept, so far, my reflections covered only […]
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Quality Assurance

Improve your tests and codebase by „Mutation Testing” – part 1

All experienced developers have a good understanding of how significant for the quality of the product is a source code covered by high quality test […]
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Quality Assurance Gradle Spring boot TestNG REST assured

Testing Spring Boot Application secured with JSON Web Tokens using REST-assured library

REST-assured is a very well crafted library making test effort a lot simpler and more efficient. Combined with Spring Boot, gradle and TestNG, it allows […]
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Java

Functional programming in Java – introduction to Vavr.io

Vavr (formerly called Javaslang) is a functional library for Java 8+ that provides persistent data types and functional control structures. It enables writing Java code in […]
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Quality Assurance Continous Integration

Interaction with TeamCity using service messages and REST api

This article treats about interactions with TeamCity – about controlling its flow or getting useful information. All interaction examples will in form of python snippets […]
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DIY micro-engineering Arduino

Arduino microcontroller programming for beginners

Check how simple and easy it is to program Arduino microcontroller. Its compact, powerful, goes with hundreds of additional components that allow you to feel […]
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Java Spring

Spring AOP in practice – measure method execution time

In this article we will take a closer look at Aspect Oriented Programming (AOP) with a little help from Spring Framework. AOP is powerful tool […]
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Java

Introduction to Ratpack

Ratpack is a set of Java libraries that enable writing efficient HTTP applications. It’s built on Netty event-driven networking engine. In some cases it may be considered as […]
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Java Quality Assurance Cucumber

Custom formatters in Cucumber

I’ve been working with cucumber-java test framework for some time now and I must admit, I really like what is possible to achieve by using […]
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Python

Reinforcement Learning with Q-Learning

Reinforcement learning is a type of machine learning that does not require a dataset to learn from. It can learn from the experience it gathers. […]
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