Software

Java

Understanding the Difference Between when() and doXxx() Methods in Mockito

Anastasios Antoniadis

Explore the key differences between Mockito's when() and doXxx() methods for stubbing in Java unit tests. Learn when to use each method for effective mocking, including scenarios for return methods, void methods, and handling exceptions, to enhance your unit testing practices and improve software quality.

Bash

Splitting Strings into Arrays in Bash: A Comprehensive Guide

Anastasios Antoniadis

Learn how to split strings into arrays in Bash using various methods, including the read command, IFS variable, tr command, and awk. This comprehensive guide covers examples and best practices for efficiently handling text processing tasks in Bash scripting, ensuring you can tackle simple to complex data manipulation with ease.

Kotlin

Transforming Lists to Maps in Kotlin: A Detailed Guide

Anastasios Antoniadis

Learn how to efficiently transform lists into maps in Kotlin using associateBy, associateWith, and associate functions. This detailed guide covers basic transformations, custom key-value pair creation, and handling duplicate keys, providing you with the tools to manage collections effectively in your Kotlin applications.

Computer Science

Exploring the Worst Sorting Algorithms

Anastasios Antoniadis

Dive into the intriguing world of the worst sorting algorithms, including BogoSort, SlowSort, StoogeSort, and SleepSort. Discover their unique inefficiencies and the valuable lessons they teach about algorithmic efficiency, computational complexity, and creative thinking in computer science.

Bash

Generating UUIDs in Bash: A Comprehensive Guide

Anastasios Antoniadis

Learn how to generate UUIDs in Bash with this comprehensive guide. Explore various methods including uuidgen, openssl, and reading from /proc/sys/kernel/random/uuid, providing you with multiple options to efficiently create universally unique identifiers in Unix-like systems for scripting, automation, and more.

Hibernate

Resolving Hibernate Mapping Exception – Unknown Entity

Anastasios Antoniadis

Learn how to resolve the "Hibernate Mapping Exception – Unknown Entity" error in Java. This guide covers common causes like missing annotations, configuration issues, and solutions to ensure Hibernate recognizes your entity classes, along with best practices for smooth ORM operation in your applications.

Java

Mastering the Jersey JAX-RS Client for RESTful Communication

Anastasios Antoniadis

Explore how to effectively use the Jersey JAX-RS client for consuming RESTful services in Java. This comprehensive guide covers setup, making HTTP requests, handling responses, and utilizing advanced features like asynchronous requests and interceptors, equipping developers with the knowledge to integrate RESTful communication seamlessly into their Java applications.

Java

Handling Duplicate Keys When Producing Maps Using Java Stream

Anastasios Antoniadis

Learn how to handle duplicate keys gracefully when producing maps using Java Stream. This guide explores strategies like choosing or combining duplicates and collecting them into custom collections, providing practical examples to ensure robust and error-free code in your Java applications.

Spring Boot

Understanding Cache Eviction in Spring Boot

Anastasios Antoniadis

Discover how to implement and manage cache eviction in Spring Boot applications effectively. Learn about the @CacheEvict annotation, strategies for conditional and complete cache invalidation, and best practices for ensuring your cached data remains accurate and efficient. This guide provides insights into configuring cache eviction policies and optimizing application performance with Spring Boot's caching capabilities.

Linux

How to Embed Subtitles into a Video Using FFmpeg

Anastasios Antoniadis

Videos have become an important medium for storytelling, education, and entertainment in the digital age. However, subtitles are essential to ...

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