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

learn more… | top users | synonyms

3
votes
3answers
483 views

Should I try it straight or should I first check if it can be done?

I have a set of items, and each item in the set must be unique. Item are composed from multiple properties and each property of each item can be changed. But after each change every item in the set ...
1
vote
0answers
53 views

Switch Configuration of Several .Net Programs for Several Sections in a Simple Way

We build a highly configurable .Net Client/Server application. (Client is C#/WPF, Server is C#/WebService) There is a single code base, but each customer has its own 'profile'. The profile ...
2
votes
1answer
254 views

How to solve this problem of duplicate code with a design pattern [duplicate]

This is what I am doing, Creating a new Pdf document using Aspose Pdf Adding few different types pages you know introduction page, table of content pages etc... Adding some further documents to it ...
0
votes
1answer
171 views

Interface or boolean?

I have a CustomObject class which has the abilities like being Clickable, KeyPressable and Movable. I created interfaces: IClickable, IKeyPressable and IMovable and make different CustomObject classes ...
15
votes
2answers
879 views

Is there some sort of systematic strategy for designing and implementing GUIs?

I am using Visual Studio to create a GUI application in C#. The Toolbox serves as a nifty component palette that allows me to easily drag and drop buttons and other elements (for clarity I'll say ...
0
votes
1answer
129 views

What is the correct way to bind few classes with similar functionality?

I want to do this in the right way to learn I have a few classes which have only one method. For example: public class RedColorText { public void AddRedColorText(string text) { ...
0
votes
2answers
60 views

Releasing updates to Windows Services and Websites from build

I've got an solution which consists of Windows Services and websites. When updating the applications currently, the following steps are undertaken Build of solution Post build tasks copy the DLLs ...
12
votes
4answers
1k views

This way I'm writing this code is testable, but is there something wrong with it I'm missing?

I have an interface called IContext. For the purposes of this it doesn't really matter what's it does except the following: T GetService<T>(); What this method does is look at the current DI ...
0
votes
4answers
247 views

Identifying user of a webapp

For a small webapp I want to be able to identify a user. The issue is, if the user cheats in some manner, I want to be able to forbid him the usage of my application. I already have done extensive ...
1
vote
1answer
220 views

OOP best practice: Optional referenced-type paremeter

I know in C#, by default, referenced type variables are passed by reference to a method. I have a function which sometimes I just need its return value and sometimes both return value and the changes ...
1
vote
1answer
244 views

How to write unit tests for a piece of code that has a data context?

I am new to unit testing and using Microsoft's unit testing library for following piece of code. When I execute the code normally it executes fine, however when I run unit test written for this code I ...
3
votes
1answer
134 views

Unit testing a template class after refactoring

I am cleaning up my code by way of removing duplicates, and found two classes that were almost identical, out of 55 lines, only a single predicate in an if statement differed between them. Both ...
5
votes
4answers
188 views

Using struct to enforce validation of built-in type

Commonly domain objects have properties which can be represented by a built-in type but whose valid values are a subset of the values which may be represented by that type. In these cases, the value ...
7
votes
4answers
267 views

Are noncontiguous arrays performant?

In C#, when a user creates an List<byte> and adds bytes to it, there is a chance it runs out of space and needs to allocate more space. It allocates double (or some other multiplier) the size of ...
1
vote
1answer
792 views

Two way Communication between Server and Clients

Situation: We have a web application running on a server. This application needs to fetch data from some other PC(Clients), which are on a different network. On the clients' pc there are WCF hosted ...
2
votes
4answers
254 views

Two classes that behave identically yet are semantically different

I am writing a program which is a similar to Ruby's Active Record Migrations, in which that every migration has both an "Up" and "Down" in terms of creating a change to the database, "Up" meaning ...
0
votes
1answer
100 views

To what extent can impact analysis of a code change be automated?

I'm not sure how possible it even is but as a programmer I have a sense of risk involved when I'm making changes to a code base. I've never seen a tool which basically tells me, as I'm coding, how ...
0
votes
1answer
82 views

Generating URL's that fill forms on my site

I have a asp.net web forms page where admins can search by user last name and then select them and approve or deny their access to the site. When users request access, an email is sent out informing ...
1
vote
1answer
89 views

Generic delegates (C#) in Scala?

I wanted to know if there is an equivalent of the C# generic delegates in Scala. The reference website is: http://msdn.microsoft.com/en-us/library/dd233060.aspx I'm trying to make a complete ...
0
votes
2answers
128 views

Flexible and easy to use settings class

I am thinking about a way to create a flexible "settings class" in C#. The question is: How to provide a confortable way to provide default values to the settings. I want the programmer to access the ...
18
votes
1answer
1k views

Confusion between F# and C# [duplicate]

I am fairly new to functional programming and C#/F#. What is unclear to me is: Can you do functional programming in C# and/or in F#? Or is it something like, you write some OO code in C#, and some FP ...
18
votes
4answers
5k views

If MVC is “Separation of Concerns” then why was Razor Syntax introduced?

My question is related to MVC design pattern and Razor Syntax introduced by Microsoft. While learning MVC design pattern I was told that the idea is based upon a principle known as Separation of ...
3
votes
3answers
373 views

What kind of user info is ok to be stored as plain text in SQL Database?

I'm practicing around building e-commerce asp.net applications that allows for users to register to the site and their user credentials are stored in a MySQL database. In my sample project the ...
4
votes
4answers
987 views

Refactoring: When to add a new class in the project?

When do you feel that you need a new class (maybe when you are developing or after development for refactoring purpose)? Maybe I can start from my existing variables and think how I can reorganize ...
0
votes
2answers
574 views

Clients connect to WCF or SQL Server

I was wondering what is the prefered way of accessing data from a server in a client application. The data will be stored on the server in an SQL database and I have previously used the following 2 ...
2
votes
1answer
128 views

Silverlight-based “area of influence” algorithm

I am in the process of developing a tool for a game called MechWarrior: Online which defines a map of an area of space called the Inner Sphere. Essentially, this map is a set of points (planets) on a ...
1
vote
1answer
208 views

why “new” keyword is not contextual keyword?

Based on: C# Keywords Keywords are predefined, reserved identifiers that have special meanings to the compiler. and Based on: Contextual Keywords A contextual keyword is used to provide a ...
1
vote
1answer
250 views

In C#, performance wise, an object's size does matter when you access one of its members through a reference?

It may be a stupid question but in C#, performance wise, an object's size or complexity does matter when you access one of its members through a reference? Or only that specific member is all that ...
-4
votes
1answer
177 views

ERP system with C#? [closed]

I'm in intermediate level in C#, and I want to specialize in ERP field. what qualifications required in the programmer to be qualified as an ERP developer. at the moment my knowledge about ERP is not ...
4
votes
4answers
578 views

readability vs shorter code in returning from function [closed]

In something as simple as int sq(int x) { int y = x*x; return y; } versus int sq(int x) { return (x*x); } the former function requires an extra IL step. EDIT: IL code from the first example, ...
4
votes
2answers
475 views

What are the valid uses of static classes?

I noticed that nearly every time I see programmers using static classes in object oriented languages such as C#, they are doing it wrong. The major problems are obviously the global state and the ...
1
vote
1answer
110 views

How to store/deal with data available to other classes

I'm writing a CAD program. Let's say I have in input class, this class reads various data from a text file and creates lots of lists/dictionaries and .... These data need to be accessed by other ...
0
votes
1answer
93 views

Tracing and Logging per item instead of per application

I'm building a service in .NET that process "things" in the background and I'd like to trace the execution of these things per item, not per application. Most logging frameworks (I'm familiar with ...
1
vote
2answers
238 views

Is using multiple static classes with maximum one public method is a good idea

I'm writing a structural detailing (CAD) software for concrete buildings in C#. I have defined like hundreds of static classes each with one public method and if needed some private methods. Each one ...
15
votes
8answers
3k views

Is it good practice to inherit from generic types?

Is it better to use List<string> in type annotations or StringList where StringList class StringList : List<String> { /* no further code!*/ } I ran into several of these in Irony.
0
votes
0answers
80 views

adding model specific CRUD operation web api endpoints

Are there are any major design flaws / smells in creating a web api as described below The models I have public class CourseModel { public String Name {get; set;} public ...
3
votes
2answers
330 views

C# static practices coming from dynamic background

I have been dappling in C# after coming from several years in PHP. I don't find the language particularly difficult, although there are considerably more constructs for me to get used to. My question ...
-1
votes
1answer
53 views

How to use MeshGrid method in Accord.Math Matrix Class? [closed]

I am using the Accord.Math Namespace for Visual Studio in c#. I am trying to use the method MeshGrid<> under the Matrix class for the Accord.Math namespace. However, I am unsure how to implement ...
1
vote
1answer
102 views

OK to make a method generic just to pass in a System.Type?

Sometimes I have a function that takes a System.Type parameter, like: public void Foo(Type type) { // do something with "type" ... } This must be called like this: Foo(typeof(MyType)); I ...
1
vote
0answers
73 views

How does one enforce the implementation of a static method? [duplicate]

Of course the answer to the question above is, "you can't". But I didn't have a better way of describing what I'm looking for. If I did, I wouldn't be asking this question. My problem stems from a C# ...
5
votes
2answers
273 views

Should I use events or abstract methods?

Lets say I create an abstract class that manages some network functionality for me. I want to be able to be notified when something changes. For example: OnConnect or OnDisconnect. Should I create ...
7
votes
3answers
1k views

When to use .ToString() when concatenating a string in C#?

int a = 1; int b = 2; int sum = a + b; string expression = "Expression: " + a + " + " + b + " = " + sum; Console.WriteLine(expression); //displays Expression 1 + 2 = 3 Should I use: string ...
0
votes
2answers
104 views

Interface inherits from interface without specifying new member

Is it some kind of bad design to have something like this: public interface IFooStream { long Length { get; } long Position {get; set;} //... } public interface ...
2
votes
1answer
222 views

C# OOP Class Usage [duplicate]

I am just being picky and really wanted some of my code to look, feel, and be used a specific way but am not sure if its possible. I have a class I created that can be used like this ...
1
vote
1answer
168 views

Is it OK for an interface to only communicate half of how something should work?

I have a service where certain other services can report their status to. By status I don't mean whether they are running or not, but whether they have received data. The point is that other services ...
0
votes
4answers
148 views

What is the preferred way to hold a file over multiple requests in MVC

I am building a wizard and the first step of this wizard is to let the user select a file. In the following steps I need this file to display some data from it and as a final step I have to import ...
17
votes
14answers
3k views

Is there ever a reason to use an array when lists are available? [closed]

It seems like List<T> in C# can do everything an array can do and more, and seems also just as efficient in memory and performance as an array. So why would I ever want to use an array? I'm ...
0
votes
2answers
101 views

Track a series of choices with a single number

I want to track a series of scored questions in a single number (the total score). Is that possible? and how? For example, I have 30 questions with either 3 or 2 choices. For any given question, the ...
3
votes
2answers
236 views

Using reflection vs creating a new class

I and a friend are having an argument on what is the better technique to use in the following scenario: An application we need to test has a number of components (lets call them Eggs); each component ...
2
votes
3answers
1k views

Why using string[] args in all main methods?

I'm a beginner in learning programming. I ask about using the string array in main method as a parameter. Why not writing the Main() method without the string array? What is the point of having this ...