C# is a multiparadigm, managed, garbage-collected object-oriented programming language created by Microsoft in parallel with the .NET platform

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3
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1answer
285 views

Correct placement of Methods in OOP

Which Class should contain a method which has dependencies on multiple classes? I've coded up a specific example to avoid generalizations. In this example we have an initial requirement : ...
3
votes
4answers
646 views

Design method to return List of objects

I need to create a method which will return a List of IRule objects. This is what I have written, am I correct in the approach? Or should I follow any patterns/principles? public IList<IRule> ...
1
vote
1answer
146 views

Multi-threaded winforms with multiple child forms using sockets

I develop application with two main option grouped by groupBox in main form. First option is run server with specific behaviour for example I choose TCP protocol, type IP address, port number and ...
3
votes
3answers
418 views

Functional vs object-oriented style in C#

I'm learning functional programming and face the following confusion when applying it to my C# projects: I begin by writing pure, static functions and use function composition. After the code ...
1
vote
1answer
271 views

Should I use: One event multiple subscribers or multiple events multiple subscribers

I am writing a data acquisition application. I wondering whether I should use one event multiple subscribers or multiple events multiple subscribers. I am worried about performance. Also could I ...
0
votes
0answers
72 views

Is using Interface implemented by single class a not recommended practice? [duplicate]

I have several classes in C#, not just POCO class but with methods and implementations. Each of those classes implement one Interface. e.g. IPerson implemented by Person class. Employee implements ...
15
votes
7answers
1k views

What's the idea behind naming classes with “Info” suffix, for example: “SomeClass” and “SomeClassInfo”?

I'm working in a project which deals with physical devices, and I've been confused as how to properly name some classes in this project. Considering the actual devices (sensors and receivers) are one ...
0
votes
0answers
47 views

Using regions in C# applications [duplicate]

What is cons and pros using #region - #endregion tags in a C# application? Generally people are asking as disadvantages of using #regions. But I am asking if there is some advantages of #regions. I ...
2
votes
0answers
50 views

Argument over performance using Convert.ChangeType in Web Applications [duplicate]

A debate has been going on at work about using Convert.ChangeType. A couple of fundamental assumptions to this discussion are delineated below: 1. The discussion is within the context of web ...
2
votes
1answer
75 views

Which approach for coding a 'texture atlas'?

For a game project, I have a couple of textures coming from multiple sources and I need to pack all these within a single texture atlas. Example for a racing game circuit, there are textures for : ...
1
vote
2answers
402 views

How to unit test static void methods? [duplicate]

How does one go about unit testing static void methods? I have a few more questions: Is it necessary to unit test database queries like insert, select and update queries ? If so, how does one test ...
0
votes
1answer
482 views

A CLR SQL Server Stored Procedure calling an ASP.NET Web API

We are developing a big system with SQL Server database, ASP.NET Web API 2.2 services and another external services. We need to load more data on a table while we process the current data on it. To ...
4
votes
4answers
348 views

Legitimate cases of having .equals() behaving inconsistently with .compareTo()?

Java documentation says it's "strongly recommended" to have them behaving consistently. But are there legitimate cases of java/c#/python/etc Object.equals() method behaving inconsistently with the ...
2
votes
1answer
95 views

Application plugin system - interfaces - adding new features

Imagine I have an application, which have plugin system. public class MyPlugin : Plugin { public override ExecuteImpl (Context ctx) { // do something... } ...
2
votes
2answers
241 views

When it makes sense to implement C# explicit operator?

Follow-up of Is my usage of explicit casting operator reasonable or a bad hack? One of the users commenting on that question said that it's really bad if the casting operator creates a new object ...
22
votes
5answers
3k views

Is my usage of explicit casting operator reasonable or a bad hack?

I have a big object: class BigObject{ public int Id {get;set;} public string FieldA {get;set;} // ... public string FieldZ {get;set;} } and a specialized, DTO-like object: class ...
0
votes
1answer
92 views

Is the regex syntax in .net 3.5 the same as the regex syntax in the latest version of .net framework in c#?

Is the regex syntax in .net 3.5 the same as the regex syntax in the latest version of .net framework in c#?
0
votes
1answer
209 views

Custom serializer or create base class which implements IXmlSerializable?

I am working on a project where I have very specific xml serialization specifications, that is: Some properties are elements, some are attributes Some properties are required others aren't Some ...
0
votes
0answers
104 views

Is there a better way to retrieve a ViewModel container starting from a Model?

I'm trying to figure out a more efficient method. To start, I have a viewmodel wrapping around a model. The model itself collectively becomes a tree. We'll call each model a Fragment: public class ...
5
votes
4answers
1k views

How to add a property to an object you can't change?

Let's say that I'm using a library and I would like to add a property that doesn't exist to an existing class. In this case, I'd like to add Color as a property of Fruit. namespace Library { ...
0
votes
2answers
95 views

Data integrity, BinaryWriter, C#

I've developed a data acquisition system for a scientific experiment. An FPGA buffers the scientific data in a FIFO and a C# program empty this FIFO at a rate of ~45MB/s. Because the duration of the ...
7
votes
3answers
573 views

Enterprise software: Where should the code go? [duplicate]

I recently went for an interview with a software company that claims to write enterprise level software. During the interview, the interviewer remarked that its better to use the database simply to ...
0
votes
1answer
97 views

Sharing core repository and object mapping logic between Unit of Work methods

I'm wondering if there is a better way to do this or if I'm doing some anti-pattern here. Like I say in the subject, I'm trying to share repository calls and object mapping logic between Unit of Work ...
0
votes
0answers
106 views

Enterprise Mashups. A good approach for .net

I'm in the middle of trying to talk our management into letting us do a portal that sits across the many, many systems that we use. I believe in using the best tool for the job so we have a good ERP, ...
2
votes
1answer
159 views

How much trouble can the use of Singleton class as Model cause?

In my latest WPF applications I've been using a Singleton class, that I call Model, to contain all my application's logic, such as file reading, information handling, etc.. In the WPF Views or ...
3
votes
2answers
218 views

Factory for creating a singleton instance

We have some legacy code that has a bunch of singletons all over the place (written in C#). The singleton is a fairly "classic" implementation of the pattern: public class SomeSingleton { ...
4
votes
2answers
590 views

Where to put a common database connection for my classes

I have several classes (Repositories) which do the task of saving/retrieving some objects in/from database; all of them need to establish a connection to one database. I thought in order to avoid ...
3
votes
1answer
177 views

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 ...
2
votes
2answers
120 views

Sharing info objects between objects?

I'm making a game and I have several cards that are created during the game. Each card needs some info, which is shared between cards of the same type. So I have a class CardInfo, which holds a name ...
1
vote
1answer
52 views

Down Sides to Using Properties as Opposed to Method Variables [closed]

I am debating the pros and cons of a couple of utility classes I have. The classes have a couple of properties which are set prior to calling the class methods. However, I was wondering if there are ...
0
votes
1answer
86 views

How can I avoid an SDK requirement for an end-user unless he uses a specific function?

One of the modes of my program uses Microsoft Kinect but the user may never decide use that mode. I want to make it so the libraries for that functionality are only looked for and loaded if he uses ...
1
vote
1answer
540 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 ...
11
votes
3answers
1k views

How to monitor a long-running program programmatically

What I've currently got can be summed up with this pseudo code: public static void Main(string[] args) { var listOfObjects = Database.GetObjectsToUploadToOnlineService(); ...
2
votes
1answer
122 views

Alternatives to #if when polymorphism doesn't seem possible

There are couple of places where #if seems to give you abilities that polymorphism doesn't: Conditionally specifying base class When a section contains code that is not recognised by a compiler on ...
2
votes
2answers
214 views

How/when to “build” a Singleton that stores configuration data

I am a junior developer (think "intern-level" experience) working at a small shop more or less alone on a project that consumes data from a database, processes it, and inserts the results into another ...
1
vote
2answers
407 views

Generics in C# Test Class

I'm learning about unit testing in C#. Languages_Service and PlaceOfWork_Service are classes for SOAP services which Microsoft Navision generated for me. There are several methods that are very ...
-1
votes
1answer
74 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 ...
1
vote
1answer
189 views

Excel worksheet population and fomatting is slow

I have written a VSTO plugin in C# which populates several worksheets. During the population process cell values or formula are added one at a time according to user-definable criteria taken from a ...
1
vote
0answers
108 views

Partially Fulfilled Specification Pattern

We have a model (IPayableModel) with a boolean property indicating that a user may or may not pay for the item. A set of specifications defining criteria that would disqualify the model from payment ...
0
votes
1answer
239 views

How to upload a C# project to Github without visual studio [closed]

I would like to know How to upload a C# project to Github without visual studio? What do i need and how would I do it?
0
votes
0answers
230 views

Using xsd2Code and custom c# classes

I am using the xsd2code class generator to generate classes based on a schema file provided by a system vendor. This vendor also provides a REST API to access data via Web Services, and I've had a ...
-3
votes
2answers
130 views

Confusion about Constructors and properties [closed]

So im doing a project with a guy and I see in His code something like this: public class Foo() { private string example; public String Example { { get; set; } } public ...
1
vote
2answers
99 views

To convert to accurate data types or maintain default type of string

Scenario: I have a web application that records and checks data against two temp tables (1 table being a temp source and the other being a destination for the application). These temp tables are ...
1
vote
2answers
198 views

How do I do SQL Server mapping with a new Desktop application written in C#? [closed]

In 2 weeks I will be starting a new job as a software developer in a company that currently does not employ any professional programmers. My first task will be to rewrite a Excel/VBA application in ...
2
votes
1answer
108 views

Two way communication between Form and plugins

I have started to develop a support tool for an old legacy system that is no longer maintained but still needed for the foreseeable future. The legacy system offers few, clunky and error prone methods ...
0
votes
2answers
127 views

Handling Business Logic/Validation Race Conditions

I'm working on a Training Enrollment web application with the following (simplified) features: Maintenance (Add, Edit, Deactivation) of Trainings Student sign-up Student enrollment to Active ...
173
votes
9answers
12k views

Why do many exception messages not contain useful details?

It seems there is a certain amount of agreement that exception messages should contain useful details. Why is it that many common exceptions from system components do not contain useful details? A ...
1
vote
1answer
124 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 ...
-1
votes
1answer
136 views

override resolution behavior in c#

I tried the following piece of code public abstract class Entry3 { public abstract void Method1(); public virtual void Method2() { Console.WriteLine("Entry3.Method2"); } } public abstract ...
2
votes
1answer
93 views

Ambiguity of seemingly clear method names in APIs

(The question is language-agnostic, but to illustrate the point, I wrote the examples in C#.) Say I'm trying to model the behavior of "components" that communicate via "ports". I might model this ...