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Front-end

Simple Observable-based Store in Angular

Since Flux and Redux gained popularity, the approach to front-end architecture has changed drastically. The idea of a store with global application state, unidirectional data […]
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Java Spring Spring boot

Spring Boot – just run your application

Spring Boot is an framework, based on top of Spring Framework, to build Java applications as fast as snapping fingers. It provides things such as […]
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Java Querydsl

A Quick introduction to Querydsl compared to JPA 2 Criteria Api

Querydsl is a Java open-source project that supports statically typed queries. It provides a typesafe querying layer on top of JPA, JDO, JDBC and other […]
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mikrousługi
Microservices

Iść w mikrousługi czy nie, oto jest pytanie

Systemy rozproszone funkcjonują już w świecie od jakiegoś czasu. Założenie tworzenia aplikacji na dużą skalę i o dużej dostępności jest z nami od lat 70-tych. […]
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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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