Posts tagged asp.net-core
Subtag of .net · 3 child tags
Context I noticed that an application was flooding the database with simple SELECTs. The investigation revealed some bugs in the health check which theoretically implemented caching (to avoid quer...
Note: this is based on my question on SO and subsequent activity there I am trying to add resilience using Polly to HTTP calls that are performed using Refit library. I am using the Refit factory...
I have just created an ASP.NET Core 6 application and added NLog support for logging: NLogBuilder.ConfigureNLog("nlog.config").GetCurrentClassLogger() However, this API is almost deprecated as ...
Context This Q&A from SO suggests that throwing exceptions is incredibly expensive when compared to returning values (return codes): that with return codes instead of exceptions the same pr...
I am using MediatR in an ASP.NET Core 3.1 application and I want use a generic query and a generic request that deals with getting lists of some standard items I am using in drop-downs and similar:...
I am caching some very static information (changes once per day) in my ASP.NET Core application. This is normally done when needed ("lazy"). One such cache item is a 50K list of items that are tak...
One of the legacy applications our team manages contained the following pattern (in the controller): // initialization private readonly IServiceScopeFactory _serviceScopeFactory; public FooCon...
A few of my services rely on LazyCache and they use it by injecting IAppCache. For unit testing, I would like to mock this. I have found MockCachingService, but it does not do any caching (as spec...
I have an ASP.NET Core 5 web application that provides functionality that involves file upload + rather large processing (memory consumption mainly). After each processing (with success or not) the...
Issue I have recently discussed with a friend a performance issue he and his colleagues have encountered in an ASP.NET Core 5 application (a checkout app, microservices architecture). The problem...
After upgrading a Web application from ASP.NET Core 3.1 to ASP.NET Core 5.0, it worked fine on an existing server. However, when deployed on a server that had only .NET 5.0 installed, the applicat...
Context Our team has begun migrating a pretty old internal application and one aspect that got my attention is the impersonation. This is implemented as follows: only administrators are allowed...
Context My ASP.NET Core application got stuck in Production with a 5xx error. By inspecting the logs, I have noticed that a database error occurred during application initialization, namely a SQL ...
I have to add health checks to a rather new application (Web API, not a microservice) and I and a colleague are not agreeing about what other systems I should include in the check. This application...
I am slowly modernizing an older ASP.NET Core Web API and one of the steps involved migrating from database first to code first. Now, all schema changes and seeding is covered by migrations which ...
I have recently started a project based on the clean architecture principle and noticed that it did not rely on generic repositories since Entity Framework's DbSets are doing the job just fine. In ...
This is an unanswered code review request of mine from Code Review Stack Exchange. Overview I have developed a small ASP.NET Core 3.1 Web API that provides information that is rarely changed (sever...
This is basically an unanswered code review request of mine from CodeReview Stack Exchange. I want to be able to log as accurately as possible, the time spent by a certain Web API action in an ASP....
I am working at a proof-of-concept for porting an ASP.NET MVC application to an ASP.NET Core API + Angular SPA. One of the features of the existing application is the ability of an admin (typically...
Note: This is basically a question from Stack Overflow that was closed for a very long period of time and I fear it might get closed again as primarily opinion based. I am wondering if my ASP.NET C...
