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During Startup.ConfigureServices During application startup, the Startup.ConfigureServices method is called to register services and configuration with DI.This method allows those services to be consumed across the application. However. During the execution ...

NOTE: Refer to this page for how to register and consume a background service: Consuming NET Core Background Service with DI General Lots of the ceremony of a background service has been wrapped up and tested, in this class: BackgroundService_Base NOTE: As ...

To properly consumes a background service from a controller or another service, it must be registered with DI. As well, since it’s a background service… it must be running… and probably a singleton. NOTE: If you are looking for how to generate an instance of...

People make lots of references to Microsoft articles about how to properly handle Dispose in derived class types.But, there is literally no article on the Microsoft that actually shows this use case.So, here’s a collected method, based on a few references, tes...

NOTE: If you are looking for how to access DI services, see this: HowTo Access DI Services Here are the steps to duplicating the .NET Dependency Injection process, to create a ServiceProvider instance. This is especially useful in unit testing, for classes an...

When you create unit tests for class types that directly use DI to retrieve dependencies, you will need a way to give them a reference to a service provider (IServiceProvider). This is transparently done by the runtime.But, we have to mimic it for unit testin...

Suppress Async Warning Project-Wide Since we have several calls to base classes for diagnostics and such that are async, it's a good idea to standardize on all Test methods be async. The problem is that not every test method contains an awaited call. so, we ...

There are some cases where it is necessary to suppress IDE compiler warnings that apply to the entire project. This can be warnings that occur several times across the source files. Or, it can be for a compiler warning that the project’s framework target is ...

If the compiler is giving you warnings about nullable reference types, then you may need to enable nullables in the csproj file. This can happen when you declare a public class property, like this: public TaskConfigBase? ConfigBase { get; set; } Sin...

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Documentation Open the Network VLANs listing, and add a new entry for the VLAN. Main Switch Config The main switch will need to be updated, so VMs in the new VLAN can reach the router. Log into the main switch at: 192.168.1.20. From the ma...

Since we have some libraries that still output to NET Framework targets, some workarounds are required because of some design choices that have been made in the MSTest library and Test Explorer. MSTest Project Styles (SDK vs Non-SDK) NOTE: This only applies ...

Sometimes, a unit test needs to ensure a particular exception type occurs. Here’s how to check that a particular exception and message occurs. The catch is that, when executing code inside a unit test framework, such as MSUnit, any exception thrown by code i...

Here’s a list of elements for unit testing in Visual Studio using MSTest. Documentation for Visual Studio Testing is here: GitHub - microsoft/vstest-docs: Documentation for the Visual Studio Test Platform. Necessary Packages The following packages are neces...

If you are using MSTest as your testing framework, and want to leverage the test functionality from OGA.Testing.Lib, here are the minimal classes and structure you will need. For a cheat-sheet on MSTest framework usage, see this: Unit Test Cheat Sheet Depend...

Here’s some notes on the limitations imposed by IOS for Xamarin and MAUI applications. These apply to both Xamarin and MAUI apps written for iOS. Basically, the iOS kernel prevents any application from generating dynamic code at runtime. So, any usage of JI...

Setting the Host Name Get the current hostname with this:  hostnamectl To set it, use this: sudo hostnamectl set-hostname new-hostname (replace new-hostname) Once set, confirm it with the previous command. Now, you need to update the hostname in your h...

Here's a couple ways to validate the machine account of a PC in an Active Directory domain: dsregcmd /status If successful, it will output a device state of DomainJoined: yes. NOTE: It outputs several blocks of info. So, you may have to scroll up to see t...

Remote Access For accessing the postgres database from outside the host or from a docker container on the host, you must setup the Postgres instance to listen on a network adapter other than localhost. To do this, locate the postgresql.conf file in: /etc/pos...

Here’s a list of .NET datatypes, and how best to store each one. .NET Datatype PostGreSQL DataType datetime (UTC) timestamp without time zone Guid uuid float real double double precision ...