Category: Software architecture
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Principle of least Astonishment
The Principle of least Astonishment in software architecture, also known as POLA, is a design principle that aims to minimize surprise and confusion for users when interacting with software systems. It suggests that the behavior of a system or software should align with users’ expectations based on their prior knowledge and experiences. This principle is…
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The Law of Demeter
The Law of Demeter, or the principle of least knowledge, is a design guideline in software architecture. It suggests that objects should have limited knowledge or dependencies on other objects. Instead of directly interacting with multiple objects, an object should only communicate with its immediate neighbors. The Law of Demeter is essential in software development…
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CQRS (Command Query Separation Principle)
The Command Query Separation Principle (CQRS) in software architecture is a design principle that advocates for separating the operations that change the state of an application (commands) from those that retrieve information (queries). Bertrand Meyer, the creator of the Eiffel programming language, first introduced it. CQRS is essential because it allows for a clearer separation…
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YAGNI (You Ain’t Gonna Need It)
YAGNI stands for “You Ain’t Gonna Need It.” This principle in software architecture suggests not implementing functionality until necessary. The idea behind YAGNI is to avoid over-engineering and waste of resources by focusing on delivering only what is currently needed. The YAGNI principle was popularized as part of Extreme Programming (XP), an agile software development…
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KISS (Keep It Simple, Stupid)
The KISS principles, which stand for “Keep It Simple, Stupid,” are software architecture guidelines emphasizing the importance of simplicity and minimalism. They were not invented explicitly by a single individual but emerged as a widely accepted principle in various fields, including software development. The KISS principles are important because they help address the complexity problem…
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DRY (Don’t Repeat Yourself)
Dry principles, also known as DRY (Don’t Repeat Yourself), are software development guidelines that emphasize avoiding code duplication. The main idea behind DRY is to promote code reusability and maintainability by ensuring that each piece of knowledge or logic within a system has a single, unambiguous representation. Andrew Hunt and David Thomas coined the DRY…
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SOLID Principles
The SOLID principles in software architecture are a set of guidelines that help developers design and structure their code to make it more maintainable, scalable, and easier to understand. SOLID stands for: – Single Responsibility Principle (SRP): A class should have only one reason to change. – Open/Closed Principle (OCP): Software entities should be open…
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Software architecture
What is the difference between a design pattern and an architectural pattern? Design patterns and architecture patterns are two different types of patterns used for software development. Design patterns are concerned with the design of a software system and how to make it easier to understand, maintain, and modify. On the other hand, architecture patterns…
Pavel Maxim
CodeRider
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