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Featured 19 Jan 2026

Strategy Pattern – replacing algorithms at runtime

The Strategy Pattern allows the definition of multiple interchangeable algorithms, each encapsulated in a separate class. The context can change the strategy used at runtime, without modifying the client code, facilitating extensibility and adherence to the Open/Closed principle.

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16 Jan 2026

State Pattern – changing behavior based on state

The State Pattern is a behavioral design pattern that allows an object to change its behavior when its internal state changes, without resorting to complex if or switch statements. By moving the logic specific to each state into separate classes, the code becomes cleaner, more extensible, and easier to maintain, making it ideal for C# applications with dynamic flows and variable rules.

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14 Jan 2026

Observer Pattern – reactive notifications between objects (event-driven)

The Observer Pattern allows objects to be automatically notified when the state of another object changes. It is the foundation of event-driven architectures, being ideal for reactive applications, dynamic UIs, and distributed systems.

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13 Jan 2026

📊 TIOBE Index – January 2026

The TIOBE Ranking – November 2025 confirms the major industry trends: Python strengthens its leading position, C makes a strong comeback, and C# continues impressive growth. We analyze the developments, the surprises of the month, and what these changes mean for developers.

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12 Jan 2026

Memento Pattern – saving and restoring the state of objects

The Memento Pattern is a behavioral design pattern that allows saving and restoring the state of an object without exposing its internal structure. It is the ideal solution for functionalities such as Undo / Redo, change history, and state snapshots in modern .NET applications.

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08 Jan 2026

Mediator Pattern – centralized communication between components

Mediator Pattern is a behavioral design pattern that enables communication between components through a central object (mediator), reducing direct dependencies and increasing architectural clarity. In this article, you will see how the Mediator Pattern can be applied in a .NET (C#) application, including practical examples and real scenarios from modern applications (UI, business logic, DDD).

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19 Dec 2025

Iterator Pattern – traversing collections without exposing internals

The Iterator Pattern allows traversing collections without exposing their internal structure. In this article, we discuss when and why to use Iterator, how it separates traversal logic from the collection, and how you can correctly implement it in C# for cleaner, more extensible, and testable code.

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17 Dec 2025

Interpreter Pattern – interpretation and execution of expressions

The Interpreter Pattern is a behavioral design pattern that allows the interpretation and evaluation of expressions defined by a simple grammar. It is useful for rule engines, mathematical expressions, filters, and DSLs in .NET applications.

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15 Dec 2025

Command Pattern – actions treated as independent objects

The Command Pattern transforms actions into independent objects, allowing complete decoupling between the initiator of a request and the execution logic. It is ideal for undo/redo, command queues, macros, and extensible architectures.

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