Tagged articles - C#

Found 179 articles tagged with C#

Limit number of tasks running at the same time in .NET
How to throttle number of running tasks to a specific number in C#
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Limiting the number concurrently running Tasks is not that often requirement in a code, but eventually you'll find yourself in the situation that for the most likely performance issues you'll have to limit number of concurrently running Tasks. One of these situations is when you have long running operations in the Task. If you spin up to many Tasks you will seriously degrade your application performance...read more
How to get client IP Address in ASP.NET Core 2
Fetching client IP address in ASP.NET Core
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As ASP.NET was evolving, there were different ways accessing client IP address from the request. The way to do it WebForms and MVC Web application is simply accessing request of the current HTTP context ...read more
Building advanced .NET Core Global Tool using CommandLineUtils package
Overview on the new feature in .NET Core 2.1 and how to build and use your own tool
 
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Microsoft introduced a new feature called Global Tool with the new .NET Core release 2.1. Essentially, global tools are simple console applications which can be invoked from the console...read more
Generate C# models from Protobuf proto files directly from Visual Studio
Generating C# classes inside .NET Core project from proto using protogen
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I wrote about boosting performances by choosing the right serialization in .NET projects. The top best performing according to my tests and many of the online comparisons are Apache Avro and Google Protocol Buffer (Protobuf) serialization...read more
Token based authentication and Identity framework in ASP.NET Core - Part 3
Setting up asymmetric key token based authentication in ASP.NET Core application on top of Identity Framework
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Recently I wrote about setting up .NET Core Identity Framework and Token based authentication in ASP.NET Core using symmetric key signing. The downside of this approach is that both identity and resource server share the same key for signing and validating the token...read more
Token based authentication and Identity framework in ASP.NET Core - Part 2
Setting up token based authentication in ASP.NET Core application on top of Identity Framework
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In article Token based authentication and Identity framework in ASP.NET Core - Part 1 I described how to setup identity library for storing user accounts. Now we are going to setup ASP.NET Core Web API project to issue the token for authenticated users so they can access protected resources. Identity Web API instance will be separated from from the resource Web API, so we'll have eventually two and possibly in future more resource services which will all use single identity server fr authentication and issuing access tokens. ...read more
Token based authentication and Identity framework in ASP.NET Core - Part 1
Setting up Identity Framework in ASP.NET Core application
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In ASP.NET Core identity framework is introduced as a membership provider making user management, authentication and authorization. It is built on to Entity Framework Core ORM which allows you to be storage type independent...read more
Sending email in ASP.NET Core using SmtpClient and dependency injection
Using dependency injection to send email in ASP.NET Core
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Starting with .NET Core 2.0, Microsoft introduced SmtpClient, identical implementation as in .NET 4. This made sending emails from the application a lot easier as there is functionality out of the box and you do not have to rely on the 3rd party nuget packages. If you inspect this class, you will see that the only interface it inherits is IDisposable, so it does not give you many options for injection unless you wrap it with your own implementation and interface, but since we are not going to go that deep into the dependency injection, we'll just focus on creating a client instance using .NET Core dependency injection framework. ...read more
Clean service stop by handling SIGTERM on Linux with .NET Core 2.1
Application stop with SIGTERM handling in .NET Core 2.1 on Linux using generic host
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Some time ago I wrote about setting up .NET Core service/daemon on Linux. Back than I was using .NET Core 2.0 SDK on both development Windows machine and Linux host machine...read more
Use different configuration based on environment value in ASP.NET Core
Different configuration per environment in ASP.NET Core
 
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In .NET framework, having separate configuration is possible by having different web.config or app.config file transformations since in .NET framework configuration is stored in XML format. You can check more on this in article Separate configuration files per build config in Visual Studio IDE...read more
How to setup ASP.NET Core run on Debian Linux with Nginx
Hosting and running ASP.NET Core project on linux
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In two previous articles (How to setup .NET Core 2 on Debian or Ubuntu Linux distro the easy way & Setting up .NET Core service/daemon on Debian Linux OS) I explained how to setup and run .NET Core based applications and how to run them as a Linux daemon. In this article we are going to take it one step further...read more
Setting up .NET Core service/daemon on Debian Linux OS
How to run .NET Core application as daemon on Linux
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I found a lot of articles out here on this subject, but non of them actually made the daemon work from the first time. There was always some catch I had to chase and found in some other article posted online. In this article I will try to cover as much as possible how to setup .NET Core daemon working on a clean Debian 9 Linux machine...read more
Error handling in ASP.NET Core Web API
Generating the proper response for exceptions in ASP.NET Core WepApi
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Both Web API in .NET 4.5 and later and Web API in ASP.NET CORE have great error handling support out of the box. You can specify you global handler and control your response to a client when exception happens. ...read more
SETNX with TTL in .NET using StackExchange.Redis
Set key if it does not exist in redis with expiry using StackExchange.Redis
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Recently I needed to set redis key if it is not present with specific expiry time to use it as some logical flag. I knew tat you can use SETNX command for this but did not have any info how to set the expiry time. After some time going through redis documentation and articles found online I found a SET method overload for the redis-cli. ...read more
Generic string to primitive type converter in C#
Converting string data to any primitive type in .NET and .NET Core
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Often case when you need to convert String to a different type which is most of the time a primitive type in C# is when you are reading values from configuration. In both .NET and .NET Core, reading from configuration return plain String value...read more

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