C# & .NET questions and answers
C# language features, LINQ, ASP.NET and the runtime. Page 1 of 20.
Interview Questions practice on Codemia
Over 8,000 real interview questions from top companies, searchable by company and role.
Answers 1-60
- A definitive guide to API-breaking changes in .NET
- A difference in style IDictionary vs Dictionary
- A fast array shift implementation in C?
- A fatal error occurred. The folder /usr/share/dotnet/host/fxr does not exist
- A property or indexer may not be passed as an out or ref parameter
- A reference to the dll could not be added
- A single threaded client/server in C# with file upload, download
- AcceptTcpClient and AcceptTcpClientAsync difference
- Access parent DataContext from DataTemplate
- Access textbox from another method or Async
- Accessing ASP.NET Core DI Container From Static Factory Class
- Accessing UI Main Thread safely in WPF
- Accessing UI Main Thread safely in WPF
- Accumulating sum in one line in C
- ActionT vs Standard Return
- Activator.CreateInstance Performance Alternative
- Add client certificate to .NET Core HttpClient
- Add new item in existing array in c.net
- AddIdentity vs AddIdentityCore
- Adding an anonymous Task to ListTask does not execute it after calling .WaitAll C
- Adding an average parameter to .NET's Random.Next to curve results
- Adding CSS class to Html.BeginForm
- Adding line breaks to c comments for Intellisense
- Adding List<T>.Add another list
- Adding scripting functionality to .NET applications
- Adding string to StringBuilder from async method
- Adjusting CommandTimeout in Dapper.NET?
- Adjusting decimal precision, .net
- ADO Async all the way down the tubes?
- ADO.NET Entity Framework Update Wizard will not add tables
- Algorithm for implementing C yield statement
- Algorithm or C library for identifying 'keywords' in a set of messages?
- Alternative to BackgroundWorker that accepts more than one argument?
- Alternative way to update status asynchronously than BackgroundWorker
- Alternatives to AutoMapper
- Ambiguous extension method
- An attempt was made to load a program with an incorrect format even when the platforms are the same
- An elegant way to consume all bytes of a BinaryReader?
- Analogues of Java and .NET technologies/frameworks
- Anonymous method in Invoke call
- Ant colony optimization using .NET
- Any decent C profilers out there?
- Any decent text diff/merge engine for .NET?
- Any good implementation of Actors for C?
- Any way to override .NET Windows Service Name without recompiling?
- Anyone know a good workaround for the lack of an enum generic constraint?
- Anything wrong with NOT signing a .NET assembly?
- ApartmentState for dummies
- ApartmentState for dummies
- App.config User vs Application Scope
- App.Config vs. AppName.exe.Config
- AppDomain await async Task prevent SerializationException
- Application Crashes With Internal Error In The .NET Runtime
- Application_Error handler isn't fired when use prefix async
- Application window sent behind other windows on closing different thread C
- application/json constant in .NET framework
- Apply function to all elements of collection through LINQ
- Apply stroke to a textblock in WPF
- AppSettings get value from .config file
- appsettings.json vs appsettings.Environment.json in .NET Core apps
Course
Intermediate
27 lessons
14 hours
OOD Fundamentals
Master object-oriented design from first principles, SOLID, design patterns, and classic interview problems with hands-on coding.
View the course