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Behavioral patterns deal with object interconnection and algorithms. • The Chain of Responsibility pattern The Chain of Responsibility pattern offers
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posted @ 2024-08-19 10:37
ZhangZhihuiAAA
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Behavioral patterns deal with object interconnection and algorithms. • The Strategy pattern Several solutions often exist for the same problem. Consid
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posted @ 2024-08-19 10:37
ZhangZhihuiAAA
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Primer In this primer, we start with the most basic possible example and then we’ll add new capabilities one by one. Simple example: A descriptor that
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posted @ 2024-08-18 21:05
ZhangZhihuiAAA
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# Note that this function is already available in the math module as fsum(). def number_sum(n): if n == 0: return 0 else: return n + number_sum(n - 1)
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posted @ 2024-08-17 10:05
ZhangZhihuiAAA
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A structural design pattern proposes a way of composing objects to provide new functionality. • The adapter pattern The adapter pattern is a structura
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posted @ 2024-08-16 16:02
ZhangZhihuiAAA
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Creational design patterns deal with different aspects of object creation. Their goal is to provide better alternatives for situations where direct ob
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posted @ 2024-08-16 09:26
ZhangZhihuiAAA
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• Single responsibility principle (SRP) • Open-closed principle (OCP) It emphasizes that software entities, such as classes and modules, should be ope
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posted @ 2024-08-16 09:18
ZhangZhihuiAAA
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Introduced in Python 3.8 via the typing module, Protocols offer a more flexible approach than ABCs, known as structural duck typing, where an object i
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posted @ 2024-08-15 22:03
ZhangZhihuiAAA
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Encapsulate What Varies One of the most common challenges in software development is dealing with change. Requirements evolve, technologies advance, a
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posted @ 2024-08-15 21:40
ZhangZhihuiAAA
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A natural way to deal with uncertainty is to introduce probabilistic rules. In the simplest case, we can imagine an FSM-like device having no commands
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posted @ 2024-08-15 19:53
ZhangZhihuiAAA
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