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Real-Time Web App Made Simple with MVVM Pattern over SignalR - Part 1

by dsuryd

SignalR is great for building real-time web functionality. MVVM is great for developing your front-end. What if they can be used together? This tip will show how to do just that, using as example a simple project to do live chart on a web browser.

Robust C++: Initialization and Restarts

by Greg Utas

Structuring main() and quickly recovering from memory corruption

Software Principles and Patterns Revisited

by PureNsanity

Fundamental aspects of software design and understanding individual elements of principles and patterns

Application Architecture - Grab Fried Onion Rings And Throw Spear Into Onion Architecture And Domain Driven Design

by Habibur Rony

This will cover how to use Domain Driven Design in your application according to the Onion Architecture. There are short descriptions about architecture Category / Style, N-Layer / N-Tier Architecture, Template Method Pattern and Facade Design Pattern.

Latest Articles

Building a Plugin Architecture with Managed Extensibility Framework

by Nicolas DESCARTES

How to build a plugin architecture in C# ?

C# OpenAI Library that Supports Assistants stream API

by Higty

C# OpenAI library Assitants, ChatCompletion, FineTuning, ImageGeneration and more

C# Anthropic Claude Library! You Can Call Claude API Easy and Intuitive

by Higty

C# Anthropic Claude library

CQRS Pattern in C# and Clean Architecture – A Simplified Beginner’s Guide

by Dev Leader

CQRS pattern in C#, clean architecture for better software development, code examples, best practices

All Articles

Architecture

Real-Time Web App Made Simple with MVVM Pattern over SignalR - Part 1

15 Jul 2017 by dsuryd

SignalR is great for building real-time web functionality. MVVM is great for developing your front-end. What if they can be used together? This tip will show how to do just that, using as example a simple project to do live chart on a web browser.

Robust C++: Initialization and Restarts

20 Sep 2022 by Greg Utas

Structuring main() and quickly recovering from memory corruption

Software Principles and Patterns Revisited

28 Feb 2017 by PureNsanity

Fundamental aspects of software design and understanding individual elements of principles and patterns

design-patterns

Application Architecture - Grab Fried Onion Rings And Throw Spear Into Onion Architecture And Domain Driven Design

5 May 2017 by Habibur Rony

This will cover how to use Domain Driven Design in your application according to the Onion Architecture. There are short descriptions about architecture Category / Style, N-Layer / N-Tier Architecture, Template Method Pattern and Facade Design Pattern.

design-patterns

Cross Cutting Concerns in .NET Applications

27 Nov 2015 by Christian Vos

How to use Microsoft Unity Interception as a solution for cross cutting concerns in a .NET application

C# OpenAI Library that Supports Assistants stream API

18 Mar 2024 by Higty

C# OpenAI library Assitants, ChatCompletion, FineTuning, ImageGeneration and more

cobj: Polymorphism in Plain C

7 Jun 2016 by GProssliner

cobj is a preprocessor based generator for interface based polymorphism

microcontroller

Building React Web Apps on .NET Core

21 Mar 2017 by dsuryd

Simple, lightweight, yet powerful way to build real-time React + C# .NET web apps with dotNetify-React.

Building Resilient .NET Applications with Polly

22 Jan 2024 by Nicolas DESCARTES

How to write resilient .NET applications ?

Visual Studio debug console for iPhone

21 Aug 2012 by Jaime Olivares

An architectural proposal to integrate mobile and .Net applications

A Simplified Parameterized Query Class in Classic ASP

19 Mar 2014 by David Cantrell

In which a class that wraps an ADO Connection object and makes it more developer-friendly is discussed.

Enterprise is Dead, Long Live Agile!

7 Oct 2018 by TheCodeKing

This article considers what is needed for traditional corporations to transform from an enterprise mindset and become agile.

T-SQL reporting engine

20 Jun 2013 by Levente Kupás

If you have big reports which run slowly, you may use this T-SQL based engine to speed-up them.

SQL-Server-2008

The Elements of Software Development

18 Aug 2021 by Rob Kraft

Choose wisely how we spend our limited time on creating software and improving processes

How to Configure AWS HTTP API Gateway for ECS with HTTPS Listener

7 Oct 2023 by Fred Song (Melbourne)

Use Amazon ECS and API Gateway to implement Microservice

Architechture for interactive site

29 Jan 2012 by Espen Harlinn

Have a look at http://umbraco.com/[^]I think that will do nicely - just watch the video :)Best regardsEspen Harlinn

CQRS with Decoupled Messaging - Part II

4 Mar 2016 by Rishabh S Ajmera

Second post in a series of articles that show practical application of CQRS architecture with emphasis on decoupling messaging as infrastructure component

The High-Governance of No-Framework - Part 2

18 Jun 2016 by Chris Solutions

The implementation of a no-framework client application using high-level developer governance.

A Robust and Elegant Single Instance WPF Application Approach Using WCF

18 May 2017 by Jon Campbell

How to utilize WCF to allow a single instance of any WPF application without needing mutexes, extra assemblies, or special "hacks".

Class Diagramming Relationships: A Practical Analysis

1 Mar 2018 by Jon McKee

Analyzing and improving existing class diagramming paradigms

Tutorial for Building Microservice Applications with Azure Container Apps and Dapr – Part 1

8 Sep 2022 by Taiseer Joudeh

Part 1 of a 10 post tutorial where we will build a full microservices app using Dapr and then deploy it to Azure Container Apps

Digging Yourself Out of a Big Ball of Mud

23 Mar 2015 by Duncan Edwards Jones

What to do (and how to do it) when confronted with a big ball of mud

Useful code and examples of managing integration server between RTMP streaming software and content sources like IP PBX or online meeting services

16 Feb 2016 by Andy South

We have established a goal to decide, what solution (as in a combination of software and services) among those we chose allows extending the audience of an event with minimum efforts.

server-management

Leveraging IoC In WPF

26 May 2016 by Dilip Nandakumar

Using Dependency Injection to manage navigation and assigning data context in MVVM design.

The High-Governance of No-Framework - Part 3

16 Jun 2016 by Chris Solutions

With evidence in hand, no-framework is the perfect alternative to frameworks.

web_development

Domain-Driven Design: Tactical Design Patterns. Part 2

6 Jan 2017 by Sergii Grybniak

Knowing tactical design patterns within the DDD approach is as important as having a deep understanding of strategic design patterns. In this article, I explain everything you need to know about DDD's tactical modeling process.

Architecture with Docker for Two-tier Application

9 Oct 2018 by Nitin M. Patil

This article will share knowledge of creating a two-tier application using Docker Container.

Exploring an Example Vertical Slice Architecture in ASP.NET Core – What You Need To Know

10 Dec 2023 by Dev Leader

In this article, we'll look at building a flight booking app using vertical slice architecture.

2 Feb 2010 by Pete O'Hanlon

There's no one design pattern that I would say that I prefer. Typically, the large developments I work on demand multiple patterns, from Observers, Mediators, MVVM/MVC/MVP, Facades, Data layers and the likes.

Need advice on rearchitecting a company's entire system?

19 Mar 2011 by Goalie35

Hello.A friend of mine approached me about re-architecting his company's entire system. They're a somewhat small company but are starting to grow pretty quickly and their current system is outdated and takes too much manual labor to interact with. I don't normally deal with architecture of...

SQL-Server-2005

Suggestion for Application Architecture

28 Dec 2011 by #realJSOP

0) Use SQL Server for the database.1) Create your app in the form of either a asp.net web page or a Silverlight module.Writing desktop apps that require deployment adds to the cost. A web site can be accessed by hundreds of users simultaneously, and if deisgned appropriately, it can allow...

SQL-Server-2008

Suggestion for Application Architecture

28 Dec 2011 by Wendelius

First question I'd ask is what tools, environments, languages etc you're familiar with. The second thing are the requirements. Do you need access to local (client side) resources (disks, drivers etc) or programs (Office interop and so on).Those two should narrow down the possibilities. If no...

SQL-Server-2008

Projects and DLL's: How to keep them managable?

8 Feb 2012 by Sergey Alexandrovich Kryukov

First thing you have to think about is dependency layers. You should design then the way each layer serves a platform for the above layers. If should be in sync with your build process; all code in a layer should depend on one of more layers below it, never on anything above.You should...

Projects and DLL's: How to keep them managable?

7 Feb 2012 by Sergey Alexandrovich Kryukov

This is a separate topic: but please consider adding some plug-in architecture.Please see some motivation in my comments in our discussion over my previous answer on this page. Introductory notes: plug-ins should not create any dependencies. More exactly, no assembly should depend on...

CQRS with Decoupled Messaging - Part III

4 Mar 2016 by Rishabh S Ajmera

Third post in series of articles that show practical application of CQRS architecture with emphasis on decoupling messaging as infrastructure component

CQRS with Decoupled Messaging Part V

4 Mar 2016 by Rishabh S Ajmera

Fifth and final post in a series of articles that show practical application of CQRS architecture with emphasis on decoupling messaging as infrastructure component

Uechi APM Web is an APM (Application Performance Management) Open Source Server Performance Monitor

7 Oct 2016 by Paulo Uechi

Uechi APM Web is an APM (Application Performance Management) Open Source Server Performance Monitor written and developed in Java and C # for all Linux and Windows platforms. The Uechi.APM.Web offers a complete resource for unlimited monitoring servers in real time. Have full control of the CPU cons

Domain-Driven Design: What You Need to Know About Strategic Modeling. Part 1

1 Dec 2016 by Sergii Grybniak

If you want to rely on strategic modeling to make the development process more efficient, domain-driven design is what you need.

Technical due diligence checklist

23 Apr 2017 by DataBytzAI

A useful list when licensing/buying technology assets into your organisation or taking on ownership of an existing project yourself.

Structure / architecture of an application using different programming languages

2 Aug 2019 by Richard MacCutchan

Take a look at Calling Native Functions from Managed Code | Microsoft Docs[^]. A very simple example: UserDll.h #pragma once #define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers // Windows Header Files: #include #include // The...

Structure / architecture of an application using different programming languages

3 Aug 2019 by RickZeeland

You might find this article interesting: C++/C# interoperability[^] Also recent Visual Studio versions handle C++ dll's a lot better than before and can automatically generate "Interop" dll's. What Visual Studio uses under the hood is Tlbimp.exe (Type Library Importer)[^] Another option might...

Extend base project to dedicated customer projects

20 Feb 2022 by OriginalGriff

I'd go the "customer project" route, and derive customer classes from the main base where there are changes. That's the simple way to do it, and it gives you automatic updates for bug fixes if needed. The other two solutions require a lot of...

Resource with sample code to implement software architectures?

24 Sep 2022 by Greg Utas

I know of no such thing, although a few might exist for specific domains. Architecture diagrams and books are intended for software architects: that is, people with a reasonable amount of experience developing software. That experience will give...

Plugin Architecture in ASP.NET Core – How to Master It

31 Jul 2023 by Dev Leader

For this post, we'll delve into plugin architecture, exploring how they can be leveraged in ASP.NET Core to create more flexible and maintainable applications.

Null-Safety in the Practical Type System (PTS)

14 Dec 2023 by ChristianNeumanns

The "absence of a value" is among the most important concepts a type system has to deal with.

Implementing Clean Architecture in Go

25 May 2023 by Bohdan Stupak

Clean architecture example implemented in Go

C# Anthropic Claude Library! You Can Call Claude API Easy and Intuitive

18 Mar 2024 by Higty

C# Anthropic Claude library

2 Feb 2010 by dan!sh

Design patterns, IMHO, depend on type of application rather than just the scale of the application.

Personalize .NET Configuration Files with NANT

20 Sep 2010 by Florian DREVET

Brings you the ability to personalize your configuration files per developer, per machine, per configuration...

A question about DLL's and Enums...

3 May 2011 by #realJSOP

If your interfaces/classes rely on the enums, and the ui relies on the interfaces/classes/enums, I'd put the enums into the same assembly as the interfaces/classes. This way, you can resuse the interfaces/classes and their enums in another app (if that is the aim).If you're not planning any...

A question about DLL's and Enums...

3 May 2011 by Hemant__Sharma

@Naerling - ... It is not logic, it is not abstract and it is not UI...But it's an option/indicator for an object or operation. For example DialogBoxs' types should be added to the same assembly where DialogBox class are defined. Again when DialogBox result is returned it will be a...

Agile Software Development + SOLID(OOD) Code Sample

21 Jul 2011 by Mohammad A Rahman

There is good book about this which isAgile Principles, Patterns, and Practices in C#Robert C. Martin and Micah Martinand all the source code of that book is here[^].I hope this might help you.:)

advantage of 4-tier architect compared to 3-tier architect

3 Jan 2012 by Chris Meech

I've always found 4 tires much more stable than 3 tires. :)

11 Oct 2013 by ASP.NET Community

MSDN has an excellent section on Architecting ASP.NET Applications.patterns & practices' Web Client Software Factory on CodePlex! - This factory

Using XPath to Query the Internet

10 Dec 2013 by Bruce Yang CL

A way to query the data from Internet

Mapping expressions Expression<Func<UserVM, object>> to Expression<Func<UserVM, object>>

18 Jan 2016 by Sascha Lefèvre

I don't know if it can be done with AutoMapper. But this is how you could do it yourself, not including the Repository-call. There's a generic and non-generic version of the mapping-method; I think you should be able to use the generic one.using System;using...

entity-framework

A Business Case for Good Design

21 Nov 2018 by Yisrael Lax

Why poorly written code is expensive code

design-patterns

Strive for Short-Lived Synchronous Communication

1 Nov 2021 by Bohdan Stupak

Short tip explaining the importance of asynchronous communication

How to structure / model a rpg console paragraph game

26 Jun 2023 by Richard MacCutchan

This is the Quick Answers forum, for specific technical questions. Your question is far too broad to be answered here. You need to do some research into the technologies that you will be working with.

How to structure / model a rpg console paragraph game

26 Jun 2023 by Graeme_Grant

This may be a little left-field, however one of the most famous text adventure games was Zork 1. The source code for this game is now in the public domain: GitHub - devshane/zork: The DUNGEON (Zork I) source[^]. If that is a little bit too much...

3rd Party API Integration Pattern

14 Nov 2023 by Nish Nishant

Record Types in the Practical Type System (PTS)

12 Nov 2023 by ChristianNeumanns

This article explains why we need native record types, and how they work in PTS.

CQRS Pattern in C# and Clean Architecture – A Simplified Beginner’s Guide

15 Feb 2024 by Dev Leader

CQRS pattern in C#, clean architecture for better software development, code examples, best practices

2 Feb 2010 by Md. Marufuzzaman

Which design pattern you prefer for large scale software development?

2 Feb 2010 by Abhinav S

Large scale - you would need tons of patterns.However, facade might be a start.Also, I suppose you would be making this multi-tiered or layered.

Entity Framework 4 - Implementing Interfaces against Entities

29 Dec 2010 by Pete O'Hanlon

What you are talking about is Persistence Ignorance, and is a feature that is supported in EF. Effectively, you want to convert the entity into a POCO. You should read this[^] for details on how to do this.

Test Last development: A primer for unit testing of legacy code.

27 Jan 2011 by caloia

Many teams have not yet fully embraced TDD or have legacy code in their codebase. This article is for teams that need to get test coverage of legacy code or developers who write tests after the fact,

Need advice on rearchitecting a company's entire system?

20 Mar 2011 by #realJSOP

If he wants a richer application, and you want something web based, it seems like Silverlight would be the perfect fit.Other than that, use SQL Server 2008 instead of 2005 (it's more secure and more closely tied in to reporting services), put the database server on a separate box, and use a...

SQL-Server-2005

create n tier architecture in asp.net with different datasource

3 Jul 2011 by Christian Graus

What does NHibernate have to do with anything ? As these are two databases, all you need to do, is write stored procs in each database that take the same paremeters and return the same values, and let the user specify a connection string in the web.config, to whatever DB type they prefer. You...

create n tier architecture in asp.net with different datasource

3 Jul 2011 by Abhinav S

You will need to handle this in the DAL layer. However, using Oracle and SQL Server together within the same app is never an easy thing to do. Be especially vary of handling large objects and also date formatting when using them together.

create n tier architecture in asp.net with different datasource

3 Jul 2011 by PSK_

You can use Data Access Application Block provided by Microsoft. I have used this for one application which runs on Oracle or SQL server. To know more about this visithttp://msdn.microsoft.com/en-us/magazine/cc163766.aspx[^]

Projects and DLL's: How to keep them managable?

4 Feb 2012 by Sander Rossel

I was wondering what is the best and most maintainable way to seperate your dll's?I am building a WinForms application that makes use of Classes I want to re-use in other applications. So here's the catch:Let's say I build a library called StringManipulator, put it in a seperate project...

Projects and DLL's: How to keep them managable?

4 Feb 2012 by Christian Graus

This is why making a dll for every helper class is a dumb idea. I would break things apart mostly to seperate things that a project may not use, or to limit the size of my main exe, such as, I have a dll with a lot of the UI images we use that are large, so I don't need to ship those in essence...

how to send gridview row values to other page

2 Apr 2012 by Prasad_Kulkarni

Check this one: Passing values from datagrid to another page[^]Hope it helps..

best architecture and scenario for hosting high traffic web application on two server?

17 Apr 2012 by crazedDotNetDev

I believe you don't have enough data to define the best architecture. Performance is never a one size fits all kinda thing. You have an existing system, so I'd...Check out the hardware to make sure it's not having any failures. Run the Performance Monitor to look at disk/memory/CPU usage,...

Windows Architecture books

21 Nov 2012 by Sergey Alexandrovich Kryukov

I would rather trust...

differnt types of customer

2 Feb 2013 by Dell.Simmons

I'm an amateur programmer. I sell online in various forums and write my own software to help with sales processing. So say I have a SQL database that has a customer table in it called SQL.Customer. If I make a sale online I can download a feeBay.Customer object with pretty much the same info...

differnt types of customer

2 Feb 2013 by Matthew Faithfull

I would say SA's approach is correct in general. However if you cannot change the object types in question because the definitions belong to someone or something else then you have a slightly different problem.In this case I would use a form of mediator object which 'pretends' to be the type...

How to Set BASE CLASS with value

25 Apr 2013 by Anubhava Dimri

Hi Experts,I have a class OLDCar in which have some properties and methods and i have not access to change and create methods here.So i need to create a NEWCAR Class there base class is OLDCar. then how can i set the value of base class in clild class.class OLDCAR{}class...

How to Set BASE CLASS with value

26 Apr 2013 by CHill60

With apologies to patel_vijay for expanding on his solution ...Quote:Or you can acess the base class properties in deried class using this or base keyword. here is an example...Say you have something set up like public class OldCar{ protected int aHiddenProp; public int...

advantage of 4-tier architect compared to 3-tier architect

29 Oct 2013 by Vishal Pand3y

Read This

.net Rule Engine for CPOE-EMR app

20 Mar 2014 by Norman Paterson

Hi, yes I've evaluated rules engines after using the .Net 3.5 engine, and although the rules editor has a lot to be desired, especially because it's a sample project, I find the Microsoft provided rules engine is the best. A lot simpler than Inrule, which has better looking editors but is more...

Character Encoding: how to check whether the character is single byte or multiple byte

14 Jul 2014 by CPallini

See the UTF-8 encoding at Wikipedia[^]. According to the table, (the first byte of) a single byte character has the most significant bit cleared (0). You may test such a condition by ANDing such byte with 0x80 (that is 10000000 in binary).Similarly, all two-byte characters starts with the 110...

How do I route commands to the command handler using WCF/REST?

25 Aug 2014 by Duncan Edwards Jones

Has anyone got any samples or good ideas on exposing the command handler part of a CQRS framework through REST? Ideally I'd like some way of generating the routing table "auto-magically" from the ICommand implementing classes - any thoughts?The command definition interface looks...

how we define unit testing in classes?

30 Nov 2014 by Kornfeld Eliyahu Peter

AS OG told - you must learn...You may start with this: https://www.syncfusion.com/resources/techportal/ebooks/unittesting[^]

Does in 3 tier architecture DAL,BLL and the UI has to be in separate systems

7 Jun 2015 by Kornfeld Eliyahu Peter

You have to learn the difference between tier and layer...DAL, UI and so are layers and representing logical separation of the system you designedTier on the other hand is about physical separation of the different logical parts of the system...

Composition Over Inheritance

22 Jan 2016 by Mojtaba_Sarooghi

"HAS-A can be better than an IS-A relationship" What do you think about this sentence? Recently, I came across this topic quite a lot and we were discussing that in our team.

Design scale able, throughput and availability WCF service

9 Aug 2017 by David_Wimbley

The problem with a question like this, and what Graeme_Grant brings up is that the company wants you to answer these questions, not get strangers on the internet to answer them for you. If you were to use google and research the fundamentals of your issues you bring up yourself that's one thing...

Large scale application

6 Apr 2018 by Dave Kreskowiak

This isn't a good question. We know nothing at all about your application, what it's supposed to be doing, ..., nothing. The very best you're going to get to such a question is a bunch of opinions on "what's my favorite stack". The problem is most of them probably won't be good for your...

Newbie question about interfaces

15 Nov 2018 by F-ES Sitecore

An interface is just a guarantee that the class implements the properties\methods on the interface, there is nothing stopping the class using other properties and methods though. So I'd reduce your IPrinter interface to just the Print method. interface IPrinter { void Print(); } public...

Structure / architecture of an application using different programming languages

2 Aug 2019 by Nelek

I have a working project in c++ using a library done in c++ and partially c. Now I have the use case where I need to interact with (corrected after spotting a missunderstanding) my c++ project using that library from c#. I just added the files and the needed #includes to my first project, then...

Any great programming to show 3D render of mind bunches?

16 Jan 2020 by Richard MacCutchan

Google is the place to search for documents on the subject.

Multiple-client-type solution architecture in ASP.NET.

28 Jan 2020 by MadMyche

Your assigned project at the business level is not always going to be the same as your programming project. The backend requirement of your assignment is to use SOA (Service Orientated Architecture). This should be a standalone project and if it were mine I would use WebAPI for this. Your...

entity-framework

Layered Application Architecture with a Homogeneous Layer Structure

15 Nov 2021 by Alexey Skripka

The architecture of a multilayer application with homogeneous layer structure is described.

Unit of Work Pattern in C# for Clean Architecture: What You Need To Know

15 Feb 2024 by Dev Leader

Integrate Unit of Work Pattern in C# with Clean Architecture for efficient programming, benefits and C# code examples

design-patterns

Union Types in the Practical Type System (PTS)

30 Nov 2023 by ChristianNeumanns

Union types (aka sum types, variants, choice types) provide an elegant solution for frequent programming tasks.

Data Replication for DBMS using the Commit Log

24 Jul 2021 by Arctype SQL

As a business expands, the need to ethically leverage data is not a luxury anymore, but a necessity.

all design patterns are same i mean(ui do't interactive with business layer) is this is correct

29 Jan 2010 by jameschowdary

Hi , i tried factory pattern i understood, my doubt is all design patterns are same i mean(ui do't interactive with business layer) is this is correct

all design patterns are same i mean(ui do't interactive with business layer) is this is correct

29 Jan 2010 by Christian Graus

I don't understand your question. The UI layer MUST interact with the business layer. Do you mean that most design patterns don't interact with the UI layer ? No, that's not true. Some design patterns, such as MVC, are intimately tied with the presentation layer.