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Mockito

Leveraging Mockito’s MockConstruction for Effective Unit Testing

Anastasios Antoniadis

Explore when and why mocking constructor calls is essential in unit testing, including handling external dependencies, complex initialization, side effects, and more. This guide delves into scenarios where mocking constructors enhances test isolation and reliability, especially in legacy code and third-party libraries, ensuring focused and efficient testing practices.

Java

Leveraging Primitive Type Streams in Java 8

Anastasios Antoniadis

Explore the power and efficiency of Primitive Type Streams in Java 8, including IntStream, LongStream, and DoubleStream, for processing collections of primitive data types. Learn how to leverage these specialized streams for enhanced performance and code readability, with practical examples and advanced use cases that demonstrate their application in statistical operations, data processing pipelines, and custom aggregations.

Hibernate

Understanding the “Detached Entity Passed to Persist” Error in JPA and Hibernate

Anastasios Antoniadis

Dive into the intricacies of the 'Detached Entity Passed to Persist' error in JPA and Hibernate. Our article elucidates the causes, implications, and effective solutions for managing entity states, offering best practices to avoid common pitfalls in Java persistence management.

Java

Resolving SLF4J: Class Path Contains Multiple SLF4J Bindings

Anastasios Antoniadis

Learn how to resolve the "SLF4J: Class path contains multiple SLF4J bindings" warning in Java applications. Follow our detailed guide to identify, choose, and exclude unwanted SLF4J bindings, ensuring predictable and efficient logging behavior.

Javascript

How to Check if a Variable is a String in JavaScript

Anastasios Antoniadis

In JavaScript, determining the type of a variable is a common necessity, especially given the language’s dynamically typed nature. This ...

Python

How to Print Binary Representations in Python: A Comprehensive Guide

Anastasios Antoniadis

In Python, dealing with binary data is a common requirement, especially when working with low-level systems programming, data encoding, compression ...

Elasticsearch

How to Insert Documents into Elasticsearch: A Comprehensive Guide

Anastasios Antoniadis

Elasticsearch, a powerful open-source search and analytics engine, allows you to store, search, and analyze large volumes of data quickly ...