The .NET Framework is a software framework for Microsoft Windows operating systems. It includes an implementation of the Base Class Library, Common Language Runtime, and Dynamic Language Runtime. It supports many programming languages, including C#, VB.NET, F# and C++.

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What does “Stateful” means in Stateful ViewModel in MVVM

I was reading about some XAML patterns, and there was the Stateful ViewModel, according to what I read it has nothing different than what we as just the "ViewModel". Here's a description for example ...
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69 views

C#/.NET multithreaded application design

The application to be designed serves as a bridge between two different systems. One natively speaks TCP (RS232 actually, but there's a COM->ETH server in the line of communication) - the other one is ...
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25 views

Why does the EF query plan cache eviction algorithm reduce the cache to its cleanup trigger size, causing a perpetual cleanup?

The cache eviction algorithm for query plan caching in Entity Framework is described in section 3.2.2 as this: Once the cache contains a set number of entries (800), we start a timer that ...
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56 views

Relationship between .NET for Linux and Mono [on hold]

Microsoft announced last year that .NET will be open sourced. How does this impact the relationship between Mono and .NET for Linux. Will .NET Linux supersede Mono or will parts of of Mono go into ...
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1answer
70 views

Using C#-MSSQL for smartphone apps cloud back-end with large user-base? [on hold]

We are going to develop a Smartphone application (Will be cross-platform in the long-term with Android,Windows and iOS front-ends) with a expected users around 500 thousands. We need a cloud back-end ...
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1answer
49 views

Any library or dll to use to give a free lancers project from clients who accept your work but not pay [closed]

I've been thinking about getting into the free lance field (using sites like guru.com or freelance.com). Something I see in the FAQ's is that there's been numerous instances where the client got an ...
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0answers
37 views

What OpenID Connect flow is right for me?

Here's the deal. I have a .NET MVC5 web application that I'm moving up to the OpenID Connect standard. I also would like to be able to access controller methods from a mobile app (much like an API) ...
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3answers
43 views

How to test Windows .NET TCP program handling of connection failure [closed]

I've written my own C# TCP communications module (using SocketAsyncEventArgs, although that's presumably irrelevant). My module runs at both ends of the connection, client and server. As part of the ...
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3answers
115 views

Many different classes that need similar functionality. Best approach?

I have many (at the moment around 30) different message classes in an application I am creating. Each of these messages need to be serialized and deserialized. However, the process of serializing and ...
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1answer
91 views

Under what cirumstances would type 'System.Object' qualify for serialization?

I'm in charge of a comprehensive serialization format with support to serialize runtime objects (any derived type of Object). I can't find a sane scenario where one would choose to serialize an ...
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1answer
116 views

How to optimize the application with huge number of database requests per minute

I have to provide free demo of some service to end users in my application. Free demo could be of 30 mins, 1 hours, 5 hours etc. (predefined time) for a new user for one time only. User can also ...
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2answers
138 views

How do you find out what resources are unmanaged?

Looking through the .NET documentation, specifically the WebRequest class, I don't see any information indicating that I should wrap an instantiation of it in a using statement. Even the provided ...
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4answers
3k views

Should one use Dependency Injection even if the class is used only once? [duplicate]

During a code review I have started having a bit of a dilemma as to whether use dependency injection or not. I would like to hear your thoughts, because this is kind of an ongoing theme and would help ...
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1answer
115 views

What's the point/Use of writing out just the method signatures for an API in .Net Web Api

I have been asked to write the signatures for and API end points GET/POST/PUT methods. I'm having a hard time wrapping my head around what the point of this is. My co-worker asked if I could do this ...
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3answers
3k views

How much work should I place inside a lock statement?

I am a junior developer working on writing an update for software that receives data from a third-party solution, stores it in a database, and then conditions the data for use by another third-party ...
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0answers
14 views

C# How to define TcpListener for IP address [migrated]

I have looked through some examples of TcpListeners and TcpClients , and in one example the server side TcpListener is declared like this TcpListener listener = TcpListener.Create(8080); ...
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0answers
33 views

Receive data using TcpListener and TcpClient and distinguish between file and raw data [migrated]

I am having a really hard time figuring out how to make my program work, here is what it is: Server and Client apps Client app will send data to the Server directly, using TcpClient Client app will ...
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1answer
53 views

Where view models inside Web project of n-tier application should be placed?

Let's assume we have an ASP.NET MVC web application with following tiers: Business logic Entities (business domain and database POCOs) Common (resources, consts) Data access (database EF queries, ...
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3answers
1k views

Best way to define, start and stop threads in C#

I am making a little program, which have few Threads, constantly running. At some point, I may want to stop one of them, and then, after random period of time, to start it again. So first, what is the ...
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2answers
111 views

Server and Client apps that will send files and other info to each other

I am trying to do a Server and Client programs, that will communicate with each other, but I can't figure out the best way to do it, so let me explain what I need: The Server app should be able to ...
0
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1answer
36 views

MVC: Creare sub folders under View

I am working on a small ERP Application and using MVC5 for it. I have several Modules in the application and each module contain several web pages (Views, you can say). i.e: for School application I ...
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2answers
116 views

Simple TimeZones

I need to send out emails based on a timestamp. But the timestamp must be what the user expects it to be. The timestamp is set by the user submitting an object. E.g Al from L.A in the U.S saves an ...
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3answers
176 views

C# Subject Observer Architecture question

I'm making a C# application using the Subject Observer design pattern in a slightly different way. I am passing the Provider Class, implementing IObservable (this has the OnNext() method that ...
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1answer
60 views

Use of FindWindow and window handles within a Windows service

I've got a third-party vendor who is installing a series of Windows services to a (Windows 2008 R2) server in my control. Whilst attempting to run each service under its own least-privilege account, ...
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2answers
85 views

Is storing data that rarely changes in-memory a good candidate for a singleton/cache?

I have a class called DataPoint that is defined like the following. Currently, it goes through each property on an object and based on the DataPoint, it does some formatting like padding, trimming, ...
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1answer
46 views

Peculiar architecture interfacing .NET to AutoCAD out-of-process

I have written a set of classes to interact with AutoCAD from an out-of-process .NET assembly, but it seems like my class architecture and interactions are unusual. I am struggling to find a better ...
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1answer
194 views

When designing a data structure, should I implement very inefficient operations for convenience?

(I've added the .NET tags because the data structures are for .NET, and this question should be considered in the context of the conventions for that platform.) I'm writing a library of immutable and ...
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5answers
98 views

How much data from a web service should I expose in a library?

I'm working on a personal project, a library that can access the weather forecasts and other weather related data from it. However, a lot of the returned data is sometimes quite redundant or simply ...
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1answer
41 views

proper exception handling (throwing/message) dll libary

I just wrote a dll library using vb.net. while testing, i got an error which i did not initially use a try-catch block. The code is Try 'The first four bytes are for the Command ...
2
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1answer
82 views

Mixing REST and websocket in the same API

A bit of background first, I'm working on an application that manages a piece of physical equipment with motors, stuff like that. When I started on the project, there was an existing application, ...
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2answers
60 views

What's the correct way to architect multiple ASP.NET MVC applications dealing with similar data?

I am currently working to replace a bunch of legacy applications. The first one is getting close to being released, which will mean I will be starting the second one. Each application deals with a ...
6
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1answer
408 views

What is the purpose of Code analysis and when do I need to use it?

I heard about Visual Studio's Code analysis but never used one. I've read MSDN, but still don't understand the real use of Code analysis. Isn't it the same as StyleCop? Somewhere, FxCop was also ...
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2answers
100 views

What naming convention should you use for data objects solely meant for parameters

This is my pseudocode for DAL: CusOrderDTO GetCustomerOrder(DateTime OrderDate, string customerCode) CusOrderDTO orderSet = new CusOrderDTO() * query data from database, populate CusOrderDTO ...
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0answers
100 views

How is CancellationToken.IsCancellationRequested updated?

I've been doing some refactoring today and I encountered one interesting thing. I've extracted a method from a code which uses a cancellation token passed to it in order to check if the user did not ...
2
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3answers
212 views

3 tier architecture in .NET web applications

Nowadays most systems are designed as web apps. In the .NET world the famous three tier architecture is usually translated like this. Front End (Web Application) Middle Tier (custom DLLs using an ...
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1answer
111 views

Using and referencing external executables in a solution

I have an application written in AS3 which I need to be able to start up from my C# application. I have a prototype that does this just fine but my question is in relation to how I would arrange my ...
2
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1answer
207 views

Reducing the complexity of over-designed code

I have just started working at a company where I have inherited a C# codebase from a previous developer. I know programming well, have an engineering degree + an (unfinished, several year long) PhD ...
21
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4answers
2k views

Is it worth even checking to see if Guid.NewGuid() is Guid.Empty?

In one of the projects I'm working on the following pattern is seen on a fairly regular basis: var guid = Guid.NewGuid().ToString(); while (guid == Guid.Empty.ToString()) { guid = ...
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0answers
56 views

Should all public API POCO value-type properties be nullables?

I use nullable value types a lot when designing classes that have properties which may remain null, i.e. when the object is being persisted. For example: public int? MyProperty { get; set; } My ...
0
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2answers
112 views

Create the fields in class level then instantiate inside methods or create and instantiated inside methods

I'm a newbie in software development. Just wondering which code is better and why should I continue which pattern should I follow. First Snippet: Class TestClass { private Object1 field = null; ...
3
votes
1answer
227 views

Tracing an object

Suppose I want an object with a list of strings and every method that this object gets passed to adds its name to the list of strings. Basically it's a stack trace, except unlike a stack trace it ...
1
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1answer
121 views

One dll or many? [duplicate]

I currently have one "library" dll that has one module for each topic: Text, Reflection, Security, Math, FileSystem, FTP, Mail, Serialization, etc. In each module are public helper methods that may ...
2
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0answers
51 views

Injecting data processing logic into class

I want find more elegant and appreciate way to inject processors into CommandProcessorDispatcher class. Or it can be another one solution (the goal is separate each command processing logic to ...
5
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1answer
288 views

Should the expected value be hard-coded into the Assert

My own personal preference would be to use a variable, but maybe there are reasons against this? I haven't been able to find any resources that state the pros or cons of using one of these over the ...
0
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3answers
252 views

How to save complex data to file/disk?

I am working on a side project for a small business owner (my father) and part of the requirements for the application include saving customer and job related data in a way that it can easily be ...
2
votes
1answer
138 views

How much physical memory is consumed by the stack of a .NET thread?

In Stephen Cleary's article in MSDN magazine "Introduction to Async/Await on ASP.NET" he says that "every thread pool thread on a modern OS has a 1MB stack." (modern OS == Windows 7/8 for this ...
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5answers
185 views

Exception handling and 3rd party library

I'm currently having an issue with a 3rd party control library provider. They have an exception occulting culture that gets in the way of my general fail-fast approach when developing software. An ...
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0answers
49 views

Reading large files for ETL program POC

I'm looking for some information on how to increase the performance of reading large text files for use in an ETL process. We're currently using a proprietary program that is more of a scripting ...
2
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1answer
248 views

Avoiding closures

I have a data structure in the form of a tree. Each node represents a cardboard box. The boxes can contain child boxes. public class CardboardBox { public int Id {get; set;} public int ...
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2answers
89 views

How to store users' info in network app?

I'm currently working on a school project that aims at creating a P2P chat client for users on the same network. For now, it will only be used by users on the same LAN network. But hopefully,I will to ...