https://www.chinesepowered.com/tags/design-patterns/Recent content in Design-Patterns on Chinese Powered LabsHugoen-usMon, 02 Jan 2023 09:25:31 +0000https://www.chinesepowered.com/tutorials/singleton/Mon, 02 Jan 2023 09:25:31 +0000https://www.chinesepowered.com/tutorials/singleton/<h2 id="introduction-to-the-singleton-pattern"> Introduction to the Singleton Pattern <a class="anchor" href="#introduction-to-the-singleton-pattern">#</a> </h2> <p>The Singleton pattern is one of the most well-known and frequently discussed design patterns in software engineering. As a creational design pattern, it addresses the fundamental question: how do we ensure that a class has exactly one instance throughout the lifetime of an application while providing a global access point to that instance?</p> <p>This pattern is particularly valuable in scenarios where having multiple instances of a class would lead to incorrect behavior, resource conflicts, or unnecessary overhead. Common examples include database connection managers, logging services, configuration managers, and cache implementations.</p>https://www.chinesepowered.com/tutorials/delegate/Mon, 02 Jan 2023 09:21:38 +0000https://www.chinesepowered.com/tutorials/delegate/<h2 id="what-are-delegates"> What Are Delegates? <a class="anchor" href="#what-are-delegates">#</a> </h2> <p>In programming, a <strong>delegate</strong> is a type that represents a reference to a method with a specific signature. Think of it as a sophisticated, type-safe function pointer that enables you to treat methods as objects that can be passed around, stored, and invoked dynamically.</p> <p>Delegates are fundamental to event-driven programming and callback mechanisms, providing a powerful way to write flexible and extensible code. They form the backbone of many design patterns and are essential for understanding modern programming paradigms.</p>