Tag: Design patterns

android

Relearn the combination of design patterns

December 7, 2023

by 吳龍

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Directory definitions use scenario code implementations to define a composite pattern, also known as a partial-whole pattern, which groups objects into a tree structure to...

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ios

Six Principles of Design Patterns (PART 1)

December 7, 2023

by Jonathan Harris-Watts

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The Single Responsibility Principle (SRP) defines that a class, interface, or method does only one thing, and that there should be one and only one...

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The back-end

State mode encoding of order status flow

December 7, 2023

by Renee Hayre

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As for the design and implementation of the state mode of order state flow, there are different events for different processing and order state flow...

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The front end

(4) Observer mode | volume free to learn

December 7, 2023

by Alexandra Fowler

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The Observer pattern (also known as the publk-subscribe pattern) defines a one-to-many dependency between objects. When the state of an object changes, all dependent objects...

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The back-end

Design Pattern – Abstract Factory pattern

December 7, 2023

by Craig Jensen-Middleton

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Abstract Factory 1. The schema definition is actually abstracted from a series of related Factory methods. When programs need to deal with different families of...

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android

Memo mode

December 7, 2023

by Renee Rose

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To capture the internal state of an object without breaking encapsulation and store the state outside of the object so that the object can be...

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The back-end

The essence of Coding (design pattern) — The factory pattern of getting what you want

December 7, 2023

by Tracy Cooper

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1. What is factory mode? The factory model is like a milk tea shop. If you need anything, tell him and they will make it...

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The back-end

Simple use of strategy patterns for design patterns

December 6, 2023

by Amani Chander

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The strategy pattern, which defines a family of algorithm classes, encapsulates each algorithm separately so that they can be replaced with each other. Policy patterns...

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android

Relearn the adapter pattern for design pattern

December 6, 2023

by 徐冠霖

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What is the directory adapter pattern? The mission of the adapter pattern? Specific implementations of the adapter pattern Class adapter and object adapter What is...

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android

Parse prototype patterns and light and dark copies

December 6, 2023

by John Gibb

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The prototype pattern is a creative design pattern. The prototype indicates that the pattern has a sample instance, from which the user copies an object...

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The front end

JS design Pattern Introduction (11)- Mediator pattern

December 6, 2023

by Jessica Morales

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The role of the mediator pattern is to decouple objects from each other. By adding a mediator object, all related objects communicate through the mediator...

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reading

Object-oriented design principles

December 6, 2023

by Tracy Crosby MD

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Just as Newton's three laws occupy their place in classical mechanics, the open and closed principle is the cornerstone of object-oriented reusable design or OOD....

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The back-end

The 7 Principles of Java design patterns

December 6, 2023

by Norman Roberts

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1. Introduction to the single responsibility principle: For classes, a class should be responsible for only one responsibility. For example, Type A is responsible for...

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android

Design pattern – Strategic pattern

December 6, 2023

by James Klein

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Strategy pattern strategy pattern: belongs to the behavior design pattern, is one of the relatively simple design pattern, in the code is relatively simple and...

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The back-end

Design Pattern 9 — Builder pattern

December 6, 2023

by Wendy Daniels

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Today's lecture is about the Builder pattern, so what is the Builder pattern? When should you use the Builder pattern? Come and have a look.

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android

Design Patterns Note 01 — Design Principles

December 6, 2023

by Manikya Bhatti

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These six principles are more or less familiar, and we do not cover them all when we type code. The reason is not that the...

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The back-end

Five principles of object-oriented programming SOLID- Richter substitution principle, interface isolation principle, dependency inversion principle

December 6, 2023

by Rhea Sachar

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In plain English, LSP Substitution Principle means that subtypes must be able to replace their parent base types. If you find that

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The back-end

I want to learn the decorator pattern of design patterns

December 6, 2023

by Joshua Robinson

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I want to learn the Decorator pattern of Design Patterns This is my 11th day of the August Text Challenge. I want to learn the...

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reading

Design Pattern series – Template method pattern

December 6, 2023

by Sarah Carter

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Updates continue at...... Here's a quick look at 23 design patterns to remember. Define the algorithmic skeleton of an operation, deferring some steps to subclasses....

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The back-end

JAVA Design pattern observer pattern

December 6, 2023

by Miss Chloe Perry

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Java design pattern of the observer pattern, this article summarizes the definition of the web, and combined with their own development of the application, hoping...

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The back-end

How important it is that programs designed by advanced programmers can be decoupled!

December 6, 2023

by 張慧君

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Throw the cup for the horn, look at my eyes to act, see the fire on the south, this is in gaha? This is actually...

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reading

Learn about the Builder pattern

December 6, 2023

by Alice Murdoch-Nielsen

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The Builder pattern definition: Separates the construction of a complex object from its representation so that the same construction process can create different representations. Two...

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android

Proxy patterns for design patterns

December 6, 2023

by Joanna Andrew

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This is the second day of my participation in the more text challenge. The use of the more text Challenge proxy mode adds a layer...

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android

Understand the observer mode from RecyclerView source code

December 6, 2023

by Chloe Webb

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A one-to-many dependency before defining an object so that when an object changes state, all objects that depend on that object are notified and updated...

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The code of life

Design patterns part 2 creative design patterns chapter 3 abstract factory patterns (B: Java++ implementation)

December 6, 2023

by Levi Adkins

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This article is a Java implementation of the Abstract Factory pattern. Create product A. Create product B. Implement product A. System.out.system.out. Implement product B. System.out.system.out....

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The back-end

Design pattern – Factory method pattern

December 6, 2023

by Luke Blick

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When to use the factory method pattern to care about the product rather than how it was generated, hiding the generation of complex objects. The...

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The front end

Design pattern – singleton pattern

December 6, 2023

by Ivana Dave

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Advantages The singleton mode has only one instance in memory, reducing memory overhead. Instances that are frequently created or destroyed avoid multiple resource usage. Disadvantages...

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The back-end

“Design Patterns” – Talk about agency patterns

December 6, 2023

by Richard Mcclain

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This is the 21st day of my participation in the August More Text Challenge. Proxy mode What is a proxy mode? For example, if you...

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The front end

Framework source code to improve the extensibility of the design pattern

December 6, 2023

by Amani Chander

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We write the code for certain requirements of the service, but the demand is not invariable, when the requirements change, if our code has a...

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The back-end

Interpreter pattern for design pattern

December 6, 2023

by Samantha Edwards

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It belongs to the behavioral pattern. Given a language, Define a representation for its grammar along with an interpreter that uses the representation to interpret...

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