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
votes
1answer
147 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
211 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
291 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
1k 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
263 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
108 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
92 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
108 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
133 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
384 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
999 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
721 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
137 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
211 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
257 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
207 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
580 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
490 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
121 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
109 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
246 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
89 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
348 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
56 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
126 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
281 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
106 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
223 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
154 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
103 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
244 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 ...
-1
votes
4answers
105 views

Adding non distinct elements to a dictionary

Suggestions on a good pattern to follow to add elements to a dictionary where you want to add an element if it does not exist, else do nothing The 2 approaches I can think of are ...
1
vote
1answer
387 views

Efficiency of C# dictionaries

C# dictionaries are a simple way to find if something exists etc etc. I have a question though on how they work. Let's say instead of a dictionary I use an ArrayList. Instead of using ContainsKey (or ...
9
votes
5answers
2k views

Which are the cases when 'uint' and 'short' datatypes are a better fit than the standard int(32)?

I understand the differences in capacity and values they can represent but it seems as though people always use Int32 regardless of whether it is appropriate. No one ever seems to use the unsigned ...
3
votes
5answers
774 views

Creating a sort of 'in-language compiler'

I'm not saying I want to create a whole new compiler that's completely independent. I'm using C# Windows Forms and I want users to be able to write filtering syntax in a textbox withing my managed ...
0
votes
1answer
78 views

Is automatic conversion to collection types from non-collection variable a good idea? [closed]

Consider public void Do(string[] aBunchOfStrings) { } or public void Do(IReadOnlyList<string> aBunchOfStrings) { } Would it be a bad idea to allow the function call Do("woei"); resolve ...
0
votes
3answers
135 views

Various methods manipulating same member variable versus each takes inputs and provides output [closed]

As software design paradigm which is better? to let various methods manipulate a member variable, or define each method or function to take some inputs and provide some outputs? For example class ...
3
votes
1answer
149 views

Usage of this keyword in constructor chaining?

I am reading msdn documentation for this keyword. They gave three usages for this keyword as follows To qualify members hidden by similar names To pass an object as a parameter to other methods To ...
3
votes
3answers
416 views

ASP.NET MVC should I reference the DAL from the UI?

I am developing an ASP.NET MVC application, and I have three projects: UI (with the system.web.mvc reference, BL and DAL references) BL (business facade and business objects) DAL (contains my ...
-1
votes
3answers
180 views

Cleaner C# without unneeded indents [closed]

In OO languages, at least C#, everything has to be in a class. Sometimes, everything is in a namespace as well. Just about literally all the code in one class is going to be automatically indented ...
0
votes
2answers
206 views

if a c# interface contain only getter and setter definition, is it a code smell?

A project that I am working on has the following code for interface example: using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Test { public ...
0
votes
3answers
341 views

Using action array vs Switch Case [closed]

I have an occasion of code in which I will draw a different set of buttons in a screen (depending on the number of the buttons). One thought (and my current implementation) is to use an action array ...