Recent questions tagged design

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design patterns - Cross cutting concern example

What is a good example of a cross-cutting concern? The medical record example on the wikipedia page seems ... a better understanding of AOP. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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design patterns - Javascript - if with asynchronous case

My question is a bit regards concept. A lot of times there is this such situation: if(something){ someAsyncAction( ... me figure it out? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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design patterns - Can you create instance properties dynamically in PHP?

Is there any way to create all instance properties dynamically? For example, I would like to be able to ... should be stored in a separate instance property. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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design patterns - Double dispatch in C#?

I have heard/read the term but don't quite understand what it means. When should I use this technique and how ... it? Can anyone provide a good code sample? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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design patterns - ASP.NET MVC - Should business logic exist in controllers?

Derik Whitaker posted an article a couple of days ago that hit a point that I've been curious about ... code and logic spread out across different controllers. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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601 views

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design patterns - Best way to build a Plugin system with Java

How would you implement a Plugin-system for your Java application? Is it possible to have an easy ... is the license compatible with commercial developement? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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design patterns - What is Proxy Class in C++

What is a Proxy Class in C++? Why it is created and where it is useful? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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design patterns - Ways to eliminate switch in code

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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639 views

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design patterns - Can't combine Factory / DI

Just assume I have some class Foo, that has two dependencies: an ISerializer<T> and an IFileAccessHandler. Now this ... Any ideas? Am I missing something here? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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design patterns - How to implement serialization in C++

Whenever I find myself needing to serialize objects in a C++ program, I fall back to this kind of pattern: class ... , OO-way of handling serialization in C++? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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design patterns - What is this practice called in JavaScript?

When you wrap your JavaScript code in a function like this: (function(){ var field = ...; function doSomthing() ... of web pages. What is this practice called? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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615 views

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design patterns - Which Typesafe Enum in C++ Are You Using?

It is common knowledge that built-in enums in C++ are not typesafe. I was wondering which classes ... have) Possibility to iterate over enum values. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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design patterns - Can any one provide me a sample of Singleton in c++?

I write a singleton c++ in the follow way: class A { private: static A* m_pA; A(); virtual ~A(); public: static A* ... = &self; } return m_pA; } A::~A() { } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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862 views

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design patterns - Marker Interfaces in Java?

I was being taught that Marker interface in Java is an empty interface and is used to signal to compiler ... How are Annotations better than Marker Interfaces? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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554 views

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design patterns - How to implement the activity stream in a social network

I'm developing my own social network, and I haven't found on the web examples of implementation the stream ... the actions stream and for the actions itselves? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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818 views

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design patterns - C# producer/consumer

i've recently come across a producer/consumer pattern c# implementation. it's very simple and (for me at least) very ... ); } return queue.Dequeue(); } } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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613 views

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design patterns - Subclassing a Java Builder class

Give this Dr Dobbs article, and the Builder Pattern in particular, how do we handle the case of subclassing a ... the builder calls are in the correct order. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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579 views

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design patterns - How will I know when to create an interface?

I'm at a point in my development learning where I feel like I must learn more about interfaces. I frequently ... on how to understand this concept. Thank you. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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568 views

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design patterns - What is a wrapper class?

What is a wrapper class? How are such classes useful? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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design patterns - Are Singletons really that bad?

This question already has answers here: Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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design patterns - Examples of Delegates in Swift

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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design patterns - Long list of if statements in Java

Sorry I can't find a question answering this, I'm almost certain someone else has raised it before. My problem ... boggling to understand in a few months time. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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635 views

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design patterns - Abstract class vs Interface in Java

I was asked a question, I wanted to get my answer reviewed here. Q: In which scenario it is ... better at providing common functionality for unrelated classes. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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592 views

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design patterns - Implementing Singleton with an Enum (in Java)

I have read that it is possible to implement Singleton in Java using an Enum such as: public enum MySingleton ... instantiated? Who is doing new MySingleton()? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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600 views

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design patterns - What's an Aggregate Root?

I'm trying to get my head around how to properly use the repository pattern. The central concept of an ... the repository pattern, what is an aggregate root? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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674 views

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design patterns - What is dependency injection?

There have been several questions already posted with specific questions about dependency injection, such as when to use it ... should or shouldn't it be used? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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620 views

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design patterns - Structuring go project for this use case

Closed. This question is opinion-based. It is not currently accepting answers. question from:https://stackoverflow.com/questions/65842069/structuring-go-project-for-this-use-case...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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610 views

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design patterns - how to fix circular references in javascript

I have a class Game has a property guiGame which is an instance of GuiGame const Game = function() { ... .com/questions/65861440/how-to-fix-circular-references-in-javascript...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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