Solved Solutions to computer programming Errors

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

.NET 7
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The instance of entity type 'IdentityUserLogin<str

TECHNOLOGY
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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

TECHNOLOGY
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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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How to use CTE in another CTE

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How to use CTE in another CTE

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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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User Control (ASP.Net)

.NET 7
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User Control (ASP.Net)

.NET 7
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How to make Navigation to increase user experience

COMPUTER PROGRAMMING
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How to make Navigation to increase user experience

COMPUTER PROGRAMMING
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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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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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Know your end user (Market Segmentation)

COMPUTER PROGRAMMING
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Know your end user (Market Segmentation)

COMPUTER PROGRAMMING
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There is no remote user 'distributor_admin' mapped

SQL
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There is no remote user 'distributor_admin' mapped to local user '(null)' from the remote server 'repl_distributor'.

SQL
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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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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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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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[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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IIS Tweak Performance Settings

SERVERS
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IIS Tweak Performance Settings

SERVERS
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IIS Application Pool LocalSystem Account

SERVERS
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IIS Application Pool LocalSystem Account

SERVERS
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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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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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Server-Side Development

COMPUTER PROGRAMMING
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Server-Side Development

COMPUTER PROGRAMMING
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EF Core 6 Error: Error Number:262,State:1,Class:14

ENTITY FRAMEWORK
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EF Core 6 Error: Error Number:262,State:1,Class:14 CREATE TABLE permission denied in database

ENTITY FRAMEWORK
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How to Make An Application to Meet Expectations

COMPUTER PROGRAMMING
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How to Make An Application to Meet Expectations

COMPUTER PROGRAMMING
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How to get a User ID in Asp.Net Core 3.1 (ClaimPri

.NET 7
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How to get a User ID in Asp.Net Core 3.1 (ClaimPrincipal) in a Service Repository

.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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What does TRIM function do in T-SQL

RESEARCH
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What does TRIM function do in T-SQL

RESEARCH
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How to Optimize Software performance

COMPUTER PROGRAMMING
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How to Optimize Software performance

COMPUTER PROGRAMMING
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Mysql create and grant privileges short cut

SQL
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Mysql create and grant privileges short cut

SQL
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Putty: Server refused our key

RESEARCH
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Putty: Server refused our key

RESEARCH
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How to make Web Application valuable

COMPUTER PROGRAMMING
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How to make Web Application valuable

COMPUTER PROGRAMMING
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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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Docker on Raspberry Pi Error .Net Core 3.1 Error:

DOCKER
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Docker on Raspberry Pi Error .Net Core 3.1 Error: standard_init_linux.go:211: exec user process caused "exec format error"

DOCKER
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[emerg] 28713#28713: open() "/var/run/nginx.pid" f

SERVERS
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[emerg] 28713#28713: open() "/var/run/nginx.pid" failed (13: Permission denied)

SERVERS
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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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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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Graphs Data Structure

COMPUTER PROGRAMMING
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Graphs Data Structure

COMPUTER PROGRAMMING
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drupal 8 website can't upload images

TECHNOLOGY
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drupal 8 website can't upload images

TECHNOLOGY
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Best way to create a Form in MVC (aspnet 6)

.NET 7
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Best way to create a Form in MVC (aspnet 6)

.NET 7
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The configured execution strategy 'SlqServerRetryi

.NET 7
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The configured execution strategy 'SlqServerRetryingExecutionStrategy' does not support user-initiated transactions. Use the execution strategy returned by DbContext.Database.CreateExecutionStrategy()' to execute

.NET 7
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Error unprotecting the session cookie

QUESTIONS
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Error unprotecting the session cookie

QUESTIONS
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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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Why Software Design and Architecture is very impor

COMPUTER PROGRAMMING
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Why Software Design and Architecture is very important

COMPUTER PROGRAMMING
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Enable Administrator Acc On Windows 10

WINDOWS
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Enable Administrator Acc On Windows 10

WINDOWS
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Installing SiteKiosk 9 on Windows 11 shows only Bl

WINDOWS
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Installing SiteKiosk 9 on Windows 11 shows only Black Screen

WINDOWS
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ERRO[0031] Can't add file ProjectFile to tar: arch

DOCKER-COMPOSE
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ERRO[0031] Can't add file ProjectFile to tar: archive/tar: missed writing 84 bytes

DOCKER-COMPOSE
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Solved! How to Import Data from SQL file into Post

SQL
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Solved! How to Import Data from SQL file into Postgres Database through Bash Command

SQL
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User Identity

How to Sign Out a User when Session Expires in Asp

How to Sign Out a User when Session Expires in AspNetCore

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 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

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

How do you get an ID of recording getting inserted

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

How to use CTE in another CTE

How to use CTE in another CTE

Understanding Sequences in Transact-SQL (SQL Study

Understanding Sequences in Transact-SQL (SQL Study Material)

User Control (ASP.Net)

User Control (ASP.Net)

How to make Navigation to increase user experience

How to make Navigation to increase user experience

InvalidOperationException: No service for type Mic

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

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

Know your end user (Market Segmentation)

Know your end user (Market Segmentation)

There is no remote user 'distributor_admin' mapped

There is no remote user 'distributor_admin' mapped to local user '(null)' from the remote server 'repl_distributor'.

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

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

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

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

[Solved] System.InvalidOperationException: 'Unable

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

IIS Tweak Performance Settings

IIS Tweak Performance Settings

IIS Application Pool LocalSystem Account

IIS Application Pool LocalSystem Account

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

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

Server-Side Development

Server-Side Development

EF Core 6 Error: Error Number:262,State:1,Class:14

EF Core 6 Error: Error Number:262,State:1,Class:14 CREATE TABLE permission denied in database

How to Make An Application to Meet Expectations

How to Make An Application to Meet Expectations

How to get a User ID in Asp.Net Core 3.1 (ClaimPri

How to get a User ID in Asp.Net Core 3.1 (ClaimPrincipal) in a Service Repository

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

What does TRIM function do in T-SQL

What does TRIM function do in T-SQL

How to Optimize Software performance

How to Optimize Software performance

Mysql create and grant privileges short cut

Mysql create and grant privileges short cut

Putty: Server refused our key

Putty: Server refused our key

How to make Web Application valuable

How to make Web Application valuable

What is the difference between Cookie based Authen

What is the difference between Cookie based Authentication and Bearer

Docker on Raspberry Pi Error .Net Core 3.1 Error:

Docker on Raspberry Pi Error .Net Core 3.1 Error: standard_init_linux.go:211: exec user process caused "exec format error"

[emerg] 28713#28713: open() "/var/run/nginx.pid" f

[emerg] 28713#28713: open() "/var/run/nginx.pid" failed (13: Permission denied)

SqlException: A connection was successfully establ

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

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]

Graphs Data Structure