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The instance of entity type 'IdentityUserLogin<string>' cannot be tracked because another instance with the same key value for {'LoginProvider', 'ProviderKey'} is already being tracked

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InvalidOperationException: No service for type Mic

.NET 7
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InvalidOperationException: No service for type Microsoft AspNetCore Identity UserManager 1[Microsoft AspNetCore identity IdentityUser] has been registered

.NET 7
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You don't want to miss out on this [New Book is no

GENERAL
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You don't want to miss out on this [New Book is now available]

GENERAL
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Connection Timeout Expired. The timeout period el

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Connection Timeout Expired. The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement. This could be because the pre-login handshake

HOME
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SqlException: A connection was successfully establ

SQL
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SqlException: A connection was successfully established with the server, but then an error occurred during the login process.

SQL
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Understanding Sequences in Transact-SQL (SQL Study

SQL
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Understanding Sequences in Transact-SQL (SQL Study Material)

SQL
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Cannot consume scoped service Microsoft.AspNetCore

.NET 7
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Cannot consume scoped service Microsoft.AspNetCore.Identity.IRoleStore from singleton 'Microsoft.AspNetCore.Identity.RoleManager

.NET 7
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SqlException: Cannot insert the value NULL into co

ENTITY FRAMEWORK
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SqlException: Cannot insert the value NULL into column 'Id', table 'dbo.TableName'; column does not allow nulls. INSERT fails. The statement has been terminated

ENTITY FRAMEWORK
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Login failed for user . (Microsoft SQL, Error: 184

SQL
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Login failed for user . (Microsoft SQL, Error: 18456)

SQL
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Azure SSH: Permission denied (publickey): How to a

SERVERS
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Azure SSH: Permission denied (publickey): How to add Public Key to Azure Virtual Machine (VM) to login with SSH Key

SERVERS
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How do you get an ID of recording getting inserted

SQL
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How do you get an ID of recording getting inserted in sql

SQL
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pull access denied for microsoft/mssql-server-lin

DOCKER-COMPOSE
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pull access denied for microsoft/mssql-server-linux, repository does not exist or may require 'docker login': denied: requested access to the resource is denied

DOCKER-COMPOSE
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Return url is required

.NET 7
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Return url is required

.NET 7
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Asp.Net Core 3.1 Razor View Error: CS1963: An expr

.NET 7
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Asp.Net Core 3.1 Razor View Error: CS1963: An expression tree may not contain a dynamic operation

.NET 7
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Asp.Net Core 3.1 Identity Error:InvalidOperationEx

.NET 7
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Asp.Net Core 3.1 Identity Error:InvalidOperationException: Cannot create a DbSet for 'ClassModal' because this type is not included in the model for the context

.NET 7
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[Solved] System.InvalidOperationException: 'Unable

QUESTIONS
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[Solved] System.InvalidOperationException: 'Unable to track an entity of type 'EntityName' because its primary key property 'Id' is null

QUESTIONS
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Microsoft.AspNetCore.Antiforgery.AntiforgeryValida

.NET 7
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Microsoft.AspNetCore.Antiforgery.AntiforgeryValidationException: The required antiforgery cookie ".AspNetCore.Antiforgery.9TtSrW0hzOs" is not present

.NET 7
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We're unable to complete your request invalid_requ

SQL
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We're unable to complete your request invalid_request: The provided value for the input parameter 'redirect_uri' is not valid. The expected value is a URI which matches a redirect URI registered for this client application.

SQL
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IIS Tweak Performance Settings

SERVERS
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IIS Tweak Performance Settings

SERVERS
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What is the best practices for creating a robots.t

RESEARCH
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What is the best practices for creating a robots.txt file

RESEARCH
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IIS Application Pool LocalSystem Account

SERVERS
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IIS Application Pool LocalSystem Account

SERVERS
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SqlException: A connection was successfully establ

.NET 7
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SqlException: A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0 - The certificate chain was issued by an authority that is not trusted.)

.NET 7
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Entity Framework Core Error: Unable to track an en

ENTITY FRAMEWORK
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Entity Framework Core Error: Unable to track an entity of type "Model Class Object" because primary key property 'id' is null

ENTITY FRAMEWORK
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The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastr

.NET 7
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The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastructure.DefaultTempDataSerializer' cannot serialize an object of type 'System.Decimal'

.NET 7
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SqlExeption: Cannot insert explicit value for iden

SQL
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SqlExeption: Cannot insert explicit value for identity column in table when IDENTITY_INSERT is set to OFF

SQL
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How to Remove Duende IdentityServer from Blazor We

.NET 7
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How to Remove Duende IdentityServer from Blazor Web Assembly Application in Visual Studio 2022

.NET 7
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How to get a Shell from Home Assistant OS running

HOME
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How to get a Shell from Home Assistant OS running on the Proxmox Server

HOME
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[Easy Fix] Linux Ubuntu 18.04 SFTP Error "Received

RESEARCH
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[Easy Fix] Linux Ubuntu 18.04 SFTP Error "Received message too long" using FileZilla

RESEARCH
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ObjectDisposedException: Cannot access a disposed

.NET 7
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ObjectDisposedException: Cannot access a disposed context instance. A common cause of this error is disposing a context instance that was resolved from dependency injection and then later trying to use the same context instance elsewhere in your application

.NET 7
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Entity Framework Core Error: To change the IDENTIT

ENTITY FRAMEWORK
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Entity Framework Core Error: To change the IDENTITY property of a column, the column needs to be dropped and recreated

ENTITY FRAMEWORK
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Migrate Existing Asp.Net Web Site to .Net Core

.NET 7
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Migrate Existing Asp.Net Web Site to .Net Core

.NET 7
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The endpoint is configured to use HTTP1.1 and HTT

RESEARCH
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The endpoint is configured to use HTTP1.1 and HTTP/2, but TLS is not enabled. HTTP2 requires TLS application protocol negotiation. Connections to this endpoint will use HTTP1.1

RESEARCH
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What does TRIM function do in T-SQL

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What does TRIM function do in T-SQL

RESEARCH
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How to Connect to Linux Ubuntu 20 using Remote Des

LUNUX
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How to Connect to Linux Ubuntu 20 using Remote Desktop from Windows

LUNUX
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How to get another User Claims or Add User to a Ro

.NET 7
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How to get another User Claims or Add User to a Role in Asp.Net Core Application

.NET 7
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Top 10 Things to Look Forward to in 2024

OTHER
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Best Vacation Hotspot in Nebraska, Iowa and South

GENERAL
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Best Vacation Hotspot in Nebraska, Iowa and South Dakota

GENERAL
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Best Vacation Hotspot in Nebraska, Iowa and South

GENERAL
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Best Vacation Hotspot in Nebraska, Iowa and South Dakota [Enjoy]

GENERAL
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The instance of entity type 'IdentityUserLogin<str

.NET 7
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The instance of entity type 'IdentityUserLogin<string>' cannot be tracked because another instance with the same key value for {'LoginProvider', 'ProviderKey'} is already being tracked

.NET 7
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ASP.Net Core 2.2 MVC Error g.cshtml.cs: The type o

HTML5
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ASP.Net Core 2.2 MVC Error g.cshtml.cs: The type or namespace name ErrorViewModel could not be found (are you missing a using directive or an assembly reference). File Error.g.cshtml.cs

HTML5
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How do you use CONCAT_WS function in T-SQL

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How do you use CONCAT_WS function in T-SQL

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What is the difference between Cookie based Authen

RESEARCH
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What is the difference between Cookie based Authentication and Bearer

RESEARCH
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Entity Framework Core 6 and 7 Tips and Tricks

ENTITY FRAMEWORK
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Entity Framework Core 6 and 7 Tips and Tricks

ENTITY FRAMEWORK
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SQL Server Tips and Tricks

SQL
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SQL Server Tips and Tricks

SQL
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Drupal 8 Installation on Linux Systems

LINUX
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Drupal 8 Installation on Linux Systems

LINUX
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How to Setup the Development Environment using Vis

COMPUTER PROGRAMMING
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How to Setup the Development Environment using Visual Studio

COMPUTER PROGRAMMING
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Server-Side Development

COMPUTER PROGRAMMING
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Server-Side Development

COMPUTER PROGRAMMING
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Asp.Net MVC Development Notes

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Asp.Net MVC Development Notes

.NET 7
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Identity Login

How to Scaffold or Generate a Custom Identity Logi

How to Scaffold or Generate a Custom Identity Login UI in Asp.Net Core 3.1

How to Sign Out a User when Session Expires in Asp

How to Sign Out a User when Session Expires in AspNetCore

The instance of entity type 'IdentityUserLogin<str

The instance of entity type 'IdentityUserLogin<string>' cannot be tracked because another instance with the same key value for {'LoginProvider', 'ProviderKey'} is already being tracked

InvalidOperationException: No service for type Mic

InvalidOperationException: No service for type Microsoft AspNetCore Identity UserManager 1[Microsoft AspNetCore identity IdentityUser] has been registered

You don't want to miss out on this [New Book is no

You don't want to miss out on this [New Book is now available]

Connection Timeout Expired. The timeout period el

Connection Timeout Expired. The timeout period elapsed while attempting to consume the pre-login handshake acknowledgement. This could be because the pre-login handshake

SqlException: A connection was successfully establ

SqlException: A connection was successfully established with the server, but then an error occurred during the login process.

Understanding Sequences in Transact-SQL (SQL Study

Understanding Sequences in Transact-SQL (SQL Study Material)

Cannot consume scoped service Microsoft.AspNetCore

Cannot consume scoped service Microsoft.AspNetCore.Identity.IRoleStore from singleton 'Microsoft.AspNetCore.Identity.RoleManager

SqlException: Cannot insert the value NULL into co

SqlException: Cannot insert the value NULL into column 'Id', table 'dbo.TableName'; column does not allow nulls. INSERT fails. The statement has been terminated

Login failed for user . (Microsoft SQL, Error: 184

Login failed for user . (Microsoft SQL, Error: 18456)

Azure SSH: Permission denied (publickey): How to a

Azure SSH: Permission denied (publickey): How to add Public Key to Azure Virtual Machine (VM) to login with SSH Key

How do you get an ID of recording getting inserted

How do you get an ID of recording getting inserted in sql

pull access denied for microsoft/mssql-server-lin

pull access denied for microsoft/mssql-server-linux, repository does not exist or may require 'docker login': denied: requested access to the resource is denied

Return url is required

Return url is required

Asp.Net Core 3.1 Razor View Error: CS1963: An expr

Asp.Net Core 3.1 Razor View Error: CS1963: An expression tree may not contain a dynamic operation

Asp.Net Core 3.1 Identity Error:InvalidOperationEx

Asp.Net Core 3.1 Identity Error:InvalidOperationException: Cannot create a DbSet for 'ClassModal' because this type is not included in the model for the context

[Solved] System.InvalidOperationException: 'Unable

[Solved] System.InvalidOperationException: 'Unable to track an entity of type 'EntityName' because its primary key property 'Id' is null

Microsoft.AspNetCore.Antiforgery.AntiforgeryValida

Microsoft.AspNetCore.Antiforgery.AntiforgeryValidationException: The required antiforgery cookie ".AspNetCore.Antiforgery.9TtSrW0hzOs" is not present

We're unable to complete your request invalid_requ

We're unable to complete your request invalid_request: The provided value for the input parameter 'redirect_uri' is not valid. The expected value is a URI which matches a redirect URI registered for this client application.

IIS Tweak Performance Settings

IIS Tweak Performance Settings

What is the best practices for creating a robots.t

What is the best practices for creating a robots.txt file

IIS Application Pool LocalSystem Account

IIS Application Pool LocalSystem Account

SqlException: A connection was successfully establ

SqlException: A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0 - The certificate chain was issued by an authority that is not trusted.)

Entity Framework Core Error: Unable to track an en

Entity Framework Core Error: Unable to track an entity of type "Model Class Object" because primary key property 'id' is null

The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastr

The 'Microsoft.AspNetCore.Mvc.ViewFeature.Infrastructure.DefaultTempDataSerializer' cannot serialize an object of type 'System.Decimal'

SqlExeption: Cannot insert explicit value for iden

SqlExeption: Cannot insert explicit value for identity column in table when IDENTITY_INSERT is set to OFF

How to Remove Duende IdentityServer from Blazor We

How to Remove Duende IdentityServer from Blazor Web Assembly Application in Visual Studio 2022

How to get a Shell from Home Assistant OS running

How to get a Shell from Home Assistant OS running on the Proxmox Server

[Easy Fix] Linux Ubuntu 18.04 SFTP Error "Received

[Easy Fix] Linux Ubuntu 18.04 SFTP Error "Received message too long" using FileZilla

ObjectDisposedException: Cannot access a disposed

ObjectDisposedException: Cannot access a disposed context instance. A common cause of this error is disposing a context instance that was resolved from dependency injection and then later trying to use the same context instance elsewhere in your application

Entity Framework Core Error: To change the IDENTIT

Entity Framework Core Error: To change the IDENTITY property of a column, the column needs to be dropped and recreated

Migrate Existing Asp.Net Web Site to .Net Core

Migrate Existing Asp.Net Web Site to .Net Core

The endpoint is configured to use HTTP1.1 and HTT

The endpoint is configured to use HTTP1.1 and HTTP/2, but TLS is not enabled. HTTP2 requires TLS application protocol negotiation. Connections to this endpoint will use HTTP1.1

What does TRIM function do in T-SQL

What does TRIM function do in T-SQL

How to Connect to Linux Ubuntu 20 using Remote Des

How to Connect to Linux Ubuntu 20 using Remote Desktop from Windows

How to get another User Claims or Add User to a Ro

How to get another User Claims or Add User to a Role in Asp.Net Core Application

Top 10 Things to Look Forward to in 2024

Top 10 Things to Look Forward to in 2024

Best Vacation Hotspot in Nebraska, Iowa and South

Best Vacation Hotspot in Nebraska, Iowa and South Dakota

Best Vacation Hotspot in Nebraska, Iowa and South