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SOLID Principles

Cheat sheets for several programming languages and IT related tools.

ASP.NET Core MVC Todo Application - Learning SOLID Principles & Dependency Injection

A todo management application built with ASP.NET Core MVC, demonstrating best practices including Single Responsibility Principle (SRP), Dependency Inversion Principle (DIP), and Dependency Injection patterns. Features session-based storage with clean architecture and separation of concerns.

Object-Oriented Programming mastery (UML, SOLID, design-patterns, ...)

Mario in the magical land of Mushroom Kingdom with the help of Java and great object-oriented design principles!

Object Oriented Programming Cakrawala University 2024/2025

Object Oriented Programming Cakrawala University 2024/2025

Object Oriented Programming Cakrawala University 2024/2025

Overview of programming principles

Szallas.hu Backend Developer Test Application - A Laravel 10-based test REST API project with Dockerized services (PHP, MySQL, Nginx, Node.js) and optional CLI commands for data management. Includes setup instructions for Docker and non-Docker environments, testing tools like PHPUnit and PHPStan, and CSV-based database seeding.

A task management application built with Laravel 10 for the backend and Vue 3 for the frontend. It features task creation, modification, filtering, time tracking, and completion management. The app is fully containerized with Docker and includes services for Nginx, PHP, MySQL, PHPMyAdmin, Node.js, and Selenium for automated testing.

Refactored an existing codebase for a 3D printer program, which initially required extensive manual input. Applied design patterns and softwaredevelopment principles to improve the code structure, enhance maintainability, and automate key processes. This resulted in a more efficient, user-friendly program with reduced manual intervention and increased automation.

Example interview assignment for mid-senior level software engineering position. Assignment took ~2 days (8-12 hours) to complete. This demonstrates knowledge of software design/engineering using SOLID design principles, UML class diagrams, user story development, requirements gathering, and software implementation using modern C++.

Features 3x Activities fashioned to enable a user to Create | Read | Update | and Delete weather information for cities. The weather information is acquired using a Weather REST API. Click each city for more and LongClick to remove a city from list.