DesignPatterns | DesignPatterns samples by csharp on dotnetcore Summary | Architecture library

 by   WeihanLi C# Version: Current License: MIT

kandi X-RAY | DesignPatterns Summary

kandi X-RAY | DesignPatterns Summary

DesignPatterns is a C# library typically used in Architecture applications. DesignPatterns has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

DesignPatterns samples by csharp on dotnetcore Summary of design patterns in "Big Talk Design Patterns" / C# (.NET) code
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              DesignPatterns has a low active ecosystem.
              It has 114 star(s) with 52 fork(s). There are 7 watchers for this library.
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              It had no major release in the last 6 months.
              There are 1 open issues and 0 have been closed. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of DesignPatterns is current.

            kandi-Quality Quality

              DesignPatterns has 0 bugs and 0 code smells.

            kandi-Security Security

              DesignPatterns has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              DesignPatterns code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              DesignPatterns is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

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              DesignPatterns releases are not available. You will need to build from source code and install.

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            DesignPatterns Key Features

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            DesignPatterns Examples and Code Snippets

            No Code Snippets are available at this moment for DesignPatterns.

            Community Discussions

            QUESTION

            Iterating over a composite
            Asked 2021-Mar-18 at 13:51

            In the Head First Design Patterns book, the authors describe using an iterator to traverse over composite data structures. They provide some sample code which, when executed, prints out a series of menu items stored within the composite. However, if you try to call the iterator more than once, it no longer works as expected and won't produce any results. The following code appears to be causing the problem:

            ...

            ANSWER

            Answered 2021-Mar-18 at 13:51

            As the linked issue says in the comments:

            Source https://stackoverflow.com/questions/66691393

            QUESTION

            Main code in running but the other code doesn't run
            Asked 2021-Jan-29 at 08:07

            I am learning design pattern in python and the subject is singleton objects so, I was writing my main code as PRO003 and import it into PRO004. This is PRO003 Code:

            ...

            ANSWER

            Answered 2021-Jan-29 at 08:07

            Class __SingletonObject is not be instantiated

            Source https://stackoverflow.com/questions/65950188

            QUESTION

            Is this a correct implementation of the strategy pattern (JAVA, Fly method of ducks)?
            Asked 2020-Dec-18 at 20:57

            I just want a quick lookover that I implemented the different fly strategies correctly.

            The program simply consists of a duck class that uses an interface for its fly method. The interface has different implementations (namely SimpleFly and NoFly), and a switch statement chooses the correct method based on the specie enum.

            As I understand, the strategy pattern is meant to avoid duplicate code between child classes at the same level, which decreases maintainability and extensibility. So instead we abstract out the related algorithms to interfaces and choose them as needed.

            CODE:

            ...

            ANSWER

            Answered 2020-Dec-18 at 20:48

            I would point out a couple issues of semantics and terminology.

            • It's confusing to have a method named fly that can be implemented as not flying. Naming the method tryToFly or documenting the method as merely an attempt are two ways of addressing this confusion. The software principle to reference here is Liskov Substitution.
            • The base class does not implement one of the strategies; rather, it composes a strategy. The purpose of the Strategy pattern is to avoid subclassing through composition.
            • To reiterate one of the comments, Duck should accept an instance of IFly directly in its constructor (or a setter method) rather than switching on an enum. Another goal of the Strategy pattern is to avoid branching logic.

            The essence of the pattern is that you've avoided creating multiple subclasses of Duck by instead creating multiple implementations of IFly. This has the advantage that those IFly implementations can be reused without a complex inheritance hierarchy, e.g. WILD and CITY can share one strategy.

            As mentioned in the comments, strategies also have the advantage that a Duck could change its strategy at runtime. For example, IFly might be implemented by Soar and Glide so that a Duck would switch between these different strategies depending on the wind.

            Source https://stackoverflow.com/questions/65337927

            QUESTION

            PHP Fatal error: Class 'PHPUnit\Framework\TestCase' not found with PHPUnit 6 and PHP 7.0
            Asked 2019-Aug-23 at 20:43

            I am playing with php 7 and phpunit 6. Here is the test I wrote:

            ...

            ANSWER

            Answered 2017-Feb-14 at 11:16

            I found the answer:

            I was excuting my test with this command line:

            Source https://stackoverflow.com/questions/42222836

            QUESTION

            Could not load requested class exception for a class implementing Spring Security UserDetails
            Asked 2019-Jun-07 at 22:03

            I use a LocalContainerEntityManagerFactoryBean to setting up a JPA EntityManagerFactory. Among the scanned entities I scan with setPackagesToScan I have a User entity that implement spring security interface UserDetails.

            When I lunch my application I have this error:

            ...

            ANSWER

            Answered 2019-Jun-05 at 13:20

            I bypassed the problem by removing the implementation of the UserDetails interface from my User entity, and set up a new mechanism to recover the GrantedAuthority necessary for Spring Security. But I still do not understand why this interface implementation poses a problem with setPackagesToScan used by the JPA EntityManagerFactory.

            If somone can give us an explanation?

            Source https://stackoverflow.com/questions/56457782

            QUESTION

            What's the right way to make a pair with unique_ptr?
            Asked 2018-Jun-30 at 15:11

            I am trying to make_pair with a unique_ptr like in the example below

            (The code is a C++ implementation of the Facade Design pattern)

            ...

            ANSWER

            Answered 2018-Jun-30 at 15:08

            Is this due to the old version of G++ shipped by Apple?

            No. It is because you are trying to copy the unique pointer by passing it to make_pair and insert.

            std::unique_ptr is not copyable. In fact it is move-only. Change to:

            Source https://stackoverflow.com/questions/51116065

            QUESTION

            Best way to test a method's outcome with JUnit and Mockito
            Asked 2018-Feb-25 at 19:32

            I am trying to test the method:

            ...

            ANSWER

            Answered 2018-Feb-25 at 19:32

            I'd follow the XP rule of doing the simplest thing that could possibly work. You don't need to mock anything, so just use the objects directly.

            Source https://stackoverflow.com/questions/48975814

            QUESTION

            How to make an object that can be referenced by everything?
            Asked 2018-Jan-31 at 05:48

            I am trying to make a class ShapeManager which is instantiated only once, and have a base class Shape(and all of its children) have access to it. This would result in a structure that looks like this:

            ShapeManager
            Shape
            Square
            Triangle
            Circle

            ...

            ANSWER

            Answered 2018-Jan-31 at 03:26

            Don't try and make a global variable accessible through all your code. Make a certain object accessible only to who needs it. Thus, make a private ShapeManager in Shape and pass it through Shapes constructor.

            But it's still strange that Shape has to have access to ShapeManager.

            EDIT - Comment by the author: My main motivation to creating a ShapeManager is to store a reference to m_shapes, m_world, and m_gen, but i didn't want every shape object to have those 3 reference variables.

            You can have a struct that stores your 3 reference variables and each object that needs access to them would have a private struct.

            Some other file:

            Source https://stackoverflow.com/questions/48533357

            QUESTION

            Purpose of passing factory object in Simple Factory Design Pattern (Head-First)?
            Asked 2017-Nov-28 at 15:28

            I am from C++ background, recently started learning Design Patterns.

            I am facing problems with this code from Head First Design Patterns:

            Link: PizzaStore.java

            ...

            ANSWER

            Answered 2017-Nov-28 at 15:19

            PizzaStore class already contains a SimplePizzaFactory object

            Well, PizzaStore have a non-initialized attribute of type SimplePizzaFactory. In the PizzaStore constructor, that attribute is initialized with a reference to the constructor argument. This is an usual pattern in Java code.

            The passed-on object is not initialized with any data (which needs to be copied by PizzaStore Constructor)

            There is no need to add initialization code in the constructor, is asumed that the SimplePizzaFactory is already initialized. That factory is not copied, is referenced by the PizzaStore attribute, so the factory inside the PizzaStore, after the constructor is executed, is an already initialized object.

            Source https://stackoverflow.com/questions/47534853

            QUESTION

            Create collection of stubs with mockito
            Asked 2017-Jun-05 at 17:27

            I want to create Collection of stubs so that first Item when I call getId() method return 0, second Item.getId() return 1 and so on. Value of getId() method must be equal index of element. I try this

            ...

            ANSWER

            Answered 2017-Jun-05 at 16:06

            What you need to do is to mock Item as well.

            Source https://stackoverflow.com/questions/44372919

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

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