C# is a multiparadigm, managed, garbage-collected object-oriented programming language created by Microsoft in parallel with the .NET platform
0
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0answers
2 views
C# Separate Online Store into Different Solutions and Nugets
I am creating an Online Shopping Cart store.
It is built through Net MVC Core.
There is a Front End View website: html, css, razor.
Then we have backend code design for Customers: including shopping ...
-1
votes
1answer
33 views
What's the most efficient way to get every item of specified type in a list and do a `For each` loop on them?
Knowing that GameObjects is of type List<GameObject>, take this unoptimized implementation of what I'm trying to achieve :
GameObjects.FindAll(x => x is Paddle).Cast<Paddle>().ToList()....
0
votes
0answers
13 views
Putting some business logic in repositories versus keeping it out of repositories entirely?
I know most (if not all) business logic should reside in its own layer, but what is the general consensus of putting some basic business logic inside of the repository layer itself?
My scenario:
We ...
2
votes
1answer
81 views
Should namespaces within a single project act as boundaries?
When working within a single project that contains multiple namespaces, should these namespaces be treated as boundaries? Or is it acceptable that any namespace can access any other namespace?
For ...
0
votes
1answer
28 views
Is it good practice to use data API for access cross platform
All,
Question: Should I have a common data access API between various cross platform applications or keep the data access specific to the UI even though it would result in duplication?
Background: ...
1
vote
4answers
355 views
What do OOP languages gain from having constructors that always return an object?
In what seems like a deliberate design decision, C++ does not have a null value for objects and references. This makes using objects and references very elegant since we don't have to perform null ...
1
vote
2answers
63 views
Practices for encapsulating collections in aggregate roots
How exactly should AddSomething methods in aggregate roots look like? Should I construct the objects in a call to the method, or should they be constructed inside the method?:
For example:
public ...
5
votes
2answers
328 views
Should a class be responsible for its own configuration
In my workplace I am seeing an issue which I feel is wrong, but I am open to the idea that maybe the way I do it is wrong.
A minor example would be a class accepting configuration
//pull config from ...
1
vote
2answers
76 views
Better to block on async with HttpClient than use synchronous API like WebRequest?
I have been a staunch advocate of never blocking on async code. I felt it was always better to use a synchronous API than to run the less efficient state machine generated by the compiler even if ...
1
vote
2answers
56 views
WCF vs ASP.NET - Binary IPC
I have a windows service and a remote IIS server that need to communicate without any user interaction. As I can’t guarantee the two machines will be on the same network; the service will connect to ...
3
votes
4answers
568 views
C# has no friend class - what are better options
I return to this question every couple of years, so now i decided to solve it once and for all, by asking here.
So, the sequence:
I'm writing a simple application that parses Json file (...
-1
votes
0answers
37 views
Automatic code editing to obey SA1201 StyleCop Rule
I added StyleCop to my project, and started editing it to make it more readable, but now I realized that there are about 1000 warnings about SA1200.
Is there any way to automatically edit it in whole ...
4
votes
5answers
431 views
Newbie question: Should all class public methods come from an interface?
I'm currently learning about TDD techniques, one of the suggestion is to test only public methods and skip the private ones. I have also been reading about Mocking. If I want to mock a certain method, ...
0
votes
0answers
32 views
How to design parallel web api in c# .net 4.5?
I am trying to design a web api that can get data from an external server but with limitations. I'm trying to figure out how best to design it to be efficient.
My api has an endpoint that takes an ...
-1
votes
0answers
61 views
WinForms to React?
I have a gigantic WinForms based application that is written in C# ( and some VB.Net ) but follows good architecture patterns ( MVP to keep a lot of logic out of the WinForms code-behinds, an ORM and ...
0
votes
1answer
67 views
Querying MongoDb after scheme change
The database schema of an application is rarely fixed, due to new development the schema has to change. This also applies to a schema-less solution like MongoDB. There is documentation on how to ...
4
votes
4answers
158 views
Should custom exceptions live with the interface or the implementation?
I have an interface IMyService in a class library.
I have an implementation of this interface MyService in a separate class library.
MyService may raise a custom exception CustomException.
Should ...
1
vote
4answers
185 views
Problem with async/await pattern — in C# and JavaScript — how to return sync value
In old-style await'less NodeJS, when you call a function that had an asynchronous aspect, you'd pass in the well-known callback which gets called when the asynchronous portion is done. This didn't ...
0
votes
1answer
89 views
Should services be used in a ViewModel
So I have a service which is injected in my controller via dependency injection. I can either use it in the controller multiple times to convert a value when assigning to a particular property in a ...
1
vote
0answers
59 views
Is there a pattern/cleaner way of saving a large object with multiple nested classes?
I'm in the midst of a rather large project which involves decomposing a very old and large ColdFusion legacy application and creating some .NET services in it's place. Due to this, there are some ...
0
votes
1answer
61 views
Method for loading and running user defined code in .NET windows application
Are there any patterns that address how to have and application load and run user defined code at run-time? I am looking into developing a C# library that the users of a Test Executive application (...
0
votes
3answers
208 views
C# algorithm that can read special logical expressions
I have a need to implement a special logical operations algorithm. The task has been assigned to store the logical conditions in a database and have C# code read the information and select the ...
0
votes
1answer
40 views
Is it worth allowing HttpClient injection in my library?
I'm making a library for other developers to use and it's for communicating with a 3rd party web service. I read the issue that come up around HttpClient and I would like to handle this properly, so ...
1
vote
2answers
122 views
DDD Best practices
I'm developing some test web-project for my self to learn DDD and good architectural practice at all. So application, basically, is a simple photo manager.
I'm developing 3-tier architecture and for ...
0
votes
3answers
162 views
Base class responsibility
can base class contain protected methods that are not to be used by all descendant classes?
I have this situation:
EntityA: has some methods that handle activities
EntityB: has some methods that ...
0
votes
1answer
41 views
Model/Passive view/Presenter - Are one to many relationships between view and presenter valid?
I am maintaining an application that I refactored using the MVP pattern. I use the passive view pattern meaning my view is as dumb as possible only forwarding its events via its interface to my ...
0
votes
3answers
97 views
Can Aggregate Root Factory create the root, and it's internal classes?
Currently, my aggregates and value objects have protected constructors and some of them are being created by static factory methods inside the aggregate with descriptive names. It creates a nice DSL ...
0
votes
0answers
56 views
Decoupling logic and data access from service layer
I would appreciate some feedback on the following design choices, also whether the IDisposable pattern I'm using is good in this case. I've tried to follow what Microsoft suggests when implementing ...
0
votes
3answers
77 views
Abstract responsibility from caller without introducing complexity
I have two classes:
public class Child {
public List<Vector2> localPoints;
public List<Vector2> localEdges;
}
public class Parent {
public List<Child> children;
...
-1
votes
0answers
23 views
Steps needed to convert XML (with industry specification) into python usable HDF5 (containing pandas and metadata)
I have been wandering stack exchange websites to figure out which one should I ask this question on. I hope I am right to post this here.
I have over 5gb XML data files stored on hard disk. These ...
12
votes
5answers
3k views
Does it make sense to define an interface if I already have an abstract class?
I have a class with some default/shared functionality. I use abstract class for it:
public interface ITypeNameMapper
{
string Map(TypeDefinition typeDefinition);
}
public abstract class ...
0
votes
2answers
139 views
Get data from the byte array
I have a byte array and a value defining the type of the data stored in it (string, int, ...). What is the best way to get this data? I have two options in my mind:
Call a method which gives the type ...
1
vote
1answer
58 views
Collection of APIs making up one Application - How to manage?
We have inherited an application that is made up of small .NET web API's. Each API has its own Visual Studio SLN and git repo. All of the APIs are published to one folder ("All") and that folder is ...
5
votes
5answers
244 views
Tests independecy vs. architectural design
So, I'm doing a project that needs to consume a REST service. I'm using C#, and I'm writing implementation myself with HttpClient class. I also try to create some Unit Testing for my library, but that ...
2
votes
1answer
210 views
C# design to force the virtual method to be called from the override, or something similar
We can do something like this:
// in base class
protected virtual void Init(){
//do stuff that all objects need to do
}
//in derived class
protected override void Init(){
base.Init(); // if ...
1
vote
1answer
77 views
sequential command processing with an async io cloud upsert
We are new to c# and still trying to grok the async idioms.
We have a windows service that requires us to iterate a list of results queried from a PC database to feed the parse cloud server (which ...
-2
votes
1answer
66 views
Should I use a strongly typed programming language for an integration with a JSON RPC 2.0 API?
I have to integrate with another company's API, which they unfortunately decided to write in JSON RPC 2.0.
If you're not familiar with JSON RPC, it's a lightweight RPC protocol that defines a ...
1
vote
3answers
274 views
Easy to maintain ways that helps code readability in C#?
Say we start with a base class that states if an object is valid or not (included one interface and two child classes for discussion purpose), like:
interface IValid
{
bool IsValid();
}
public ...
-1
votes
0answers
63 views
C# RTMP Streaming
I need to stream a webcam feed from a desktop application including a voice from the microphone through RTMP.
I am using WPF for the UI and C# as the programming language, what are the best options ...
1
vote
1answer
107 views
Am I waiting for the new C# 8 'record' feature?
I'd like an immutable class, or rather a class whose properties are initialised (whether they have public/private setters or not), in the constructor:
public class MyClass
{
public string ...
2
votes
2answers
115 views
Pattern Matching in OO code
I have a situation where I need to model objects that don't share common attributes but represent same logical entity. Now, based on their type they will have different attributes (properties).
To ...
2
votes
1answer
40 views
Net Automatic Serialization vs Custom Serialization Difference
In C#, what is the difference between Automatic serialization and Customer Serialization? Also what is Reflection? I know this stuff is not simple, if someone can explain in lay man's term, that would ...
5
votes
1answer
303 views
Is there a thing as “too many threads”
I wasn't sure if here or SO was the right place to ask this, but here goes anyway.
So I want to improve a system that is currently running. It has services and many stand alone apps, but none of ...
5
votes
2answers
137 views
Is it worth implementing Entity Framework when calling a single stored select?
I'm currently building a web application for my enterprise level business internship. This web application will track data from three different sources: a DB2 database, a SQL Dynamic database, and an ...
-1
votes
0answers
34 views
OpenIdConnect with JwtBearer does not want to work
Is it possible to combine OpenIdConnect specyfications with resource's authorization based on JwtBearer?
In each example of using OpenIdConnect eg. in IdentityServer the AuthenticationScheme was ...
0
votes
6answers
110 views
How to restrict method's parameter to the class, where the method is overridden
I have quite simple class hierarchy:
public class Base
{
//...
public virtual void AssignFrom(Base baseObj)
{
//DoSomeStuff
}
}
public class DerivedA : Base
{
//...
...
1
vote
1answer
132 views
How to handle a large amount of very specific use cases
So I'm writing a program that runs quite a few different tests. Which tests are ran varies based on which UI elements are selected by the user. For example, on one form I have 7 radio buttons and 6 ...
0
votes
3answers
99 views
Repository Pattern and Joined Queries
In conjunction with Unit Tests and Dependency Injection I (and my primary coworker) are exploring Repositories. However we cannot come to a solid plan of action for implementation.
In a basic ...
0
votes
0answers
42 views
Provide extension points to library
I have a library that provide some common logic for reading settings from multiple sources.
the library uses a chain of responsibility to populate instances of objects that will contains the settings ...
0
votes
0answers
30 views
Update Redis Cache in real time in microservice
I have 2 microservices api in dotnet core
microservice1
-------------Database1
---------------------users_table (gets list of all users)
microservice2
-------------Database2
---------------------...
