Solved Solutions to computer programming Errors

InvalidOperationException: <ClassName xmlns='http://tempuri.org/'/> was not expected

.NET 7
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Uncaught SyntaxError: "[object Object]" is not val

HTML5
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Uncaught SyntaxError: "[object Object]" is not valid JSON

HTML5
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Internal Server Error 500 is not returned in Http

QUESTIONS
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Internal Server Error 500 is not returned in Http Response using Kestrel Web Server (White Screen of Death) AspNet 6

QUESTIONS
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Sr. Software Engineer

TECHNOLOGY
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Sr. Software Engineer

TECHNOLOGY
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Nginx (Error) 503 Bad Gateway

SERVERS
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Nginx (Error) 503 Bad Gateway

SERVERS
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What is ConfigureAwait(true) in Asp.Net Core 3.1 C

.NET 7
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What is ConfigureAwait(true) in Asp.Net Core 3.1 C#

.NET 7
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How to Add Cookies to the Http Response in AspNet

.NET 7
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How to Add Cookies to the Http Response in AspNet 6 MVC

.NET 7
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How to Optimize Web Server for Faster Response Tim

TECHNOLOGY
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How to Optimize Web Server for Faster Response Time

TECHNOLOGY
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[Solved] FastCGI, Drupal, Nginx, PHP7.2-FPM Error

SERVERS
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[Solved] FastCGI, Drupal, Nginx, PHP7.2-FPM Error upstream sent too big header while reading response header from upstream

SERVERS
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Http 204 Status Code leads to Chrome downloading a

NETWORK
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Http 204 Status Code leads to Chrome downloading a File

NETWORK
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resolv.conf no such file or directory

SERVERS
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resolv.conf no such file or directory

SERVERS
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[AspNet 5 Entity Framework 6 Error] InvalidOperati

.NET 7
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[AspNet 5 Entity Framework 6 Error] InvalidOperationException: The property "ModelName.Id" has a temporary value while attempting to change the entity's state to "Modified". Either set a permanent value explicitly, or ensure that the database is configured to generate values for this property.

.NET 7
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How to Call a Soap Web Service from Asp.Net Core

.NET 7
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How to Call a Soap Web Service from Asp.Net Core

.NET 7
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How to Deserialize XML into Object in Asp.Net Core

.NET 7
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How to Deserialize XML into Object in Asp.Net Core 3.1

.NET 7
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RedisTimeoutException: Timeout awaiting response (

RedisTimeoutException: Timeout awaiting response (outbound=0KiB, inbound=0KiB, 5094ms elapsed, timeout is 5000ms),

OTHER
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nest - ElasticSearch Order By String

.NET 7
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nest - ElasticSearch Order By String

.NET 7
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InvalidOperationException: Unable to resolve servi

.NET 7
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InvalidOperationException: Unable to resolve service for type 'Microsoft.AspNetCore.Http.IHeaderDictionary' while attempting to activate

.NET 7
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Lazy Loading Images from CSS Instead

FRONT-END
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Lazy Loading Images from CSS Instead

FRONT-END
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Performance Tuning for ASP.NET Web Applications

.NET 7
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Performance Tuning for ASP.NET Web Applications

.NET 7
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Web API Return Pure Json Data

DATABASES
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Web API Return Pure Json Data

DATABASES
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InvalidOperationException, A second operation star

ENTITY FRAMEWORK
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InvalidOperationException, A second operation started on this context before a previous operation completed.

ENTITY FRAMEWORK
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Cannot insert the value NULL into column 'Id', tab

RESEARCH
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Cannot insert the value NULL into column 'Id', table 'TableName'; column does not allow nulls. INSERT fails

RESEARCH
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Solved! IIS not serving CSS, Images and JavaScript

JAVASCRIPT
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Solved! IIS not serving CSS, Images and JavaScript

JAVASCRIPT
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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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Ubuntu 23.10 Failed to start ssh.service - OpenBSD

LINUX
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Ubuntu 23.10 Failed to start ssh.service - OpenBSD Secure Shell Server

LINUX
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Chat GPT Code in C#

OTHER
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Solved: How NOT To Show XML In Json Returned By AS

TECHNOLOGY
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Solved: How NOT To Show XML In Json Returned By ASMX WebService

TECHNOLOGY
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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 Razor Error: CS1003: Syntax erro

.NET 7
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Asp.Net Core 3.1 Razor Error: CS1003: Syntax error, ',' expected

.NET 7
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docker-compose 404 page not found AspNet running i

DOCKER
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docker-compose 404 page not found AspNet running inside Docker Container

DOCKER
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How to Integrate Google Search Console API in Asp.

How to Integrate Google Search Console API in Asp.Net Core using C#

OTHER
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Pinterest API Error "You are not permitted to acce

QUESTIONS
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Pinterest API Error "You are not permitted to access that resource"

QUESTIONS
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[Solved] Visual Studio is Failing to Build

TECHNOLOGY
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[Solved] Visual Studio is Failing to Build

TECHNOLOGY
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Nginx.service: Control process exited, code=exited

SERVER
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Nginx.service: Control process exited, code=exited status=1 (Failed to start LSB: Stop/start nginx)

SERVER
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Software Best Practices Learned by Experience

SYSTEM DESIGN
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Software Best Practices Learned by Experience

SYSTEM DESIGN
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What are the best way to write high performant C#

TECHNOLOGY
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What are the best way to write high performant C# Code

TECHNOLOGY
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Performance Tuning in Entity Framework Core 5 and

.NET 7
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Performance Tuning in Entity Framework Core 5 and AspNet 5

.NET 7
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Why is the boolean fuzzy query in elasticsearch no

ALGORITHMS
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Why is the boolean fuzzy query in elasticsearch not returning results

ALGORITHMS
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error execution phase upload-config/kubelet: Error

error execution phase upload-config/kubelet: Error writing Crisocket information for the control-plane node: nodes "Master" not found To see the stack trace of this error execute with --v=5 or higher

OTHER
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RuntimeBinderException: 'System.Dynamic.DynamicObj

.NET 7
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RuntimeBinderException: 'System.Dynamic.DynamicObject'does not contain a definition for 'Modal'

.NET 7
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Microsoft SQL Server, Error: 258

SQL
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Microsoft SQL Server, Error: 258

SQL
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SQL Server Import and Export Wizard Error: Data co

SQL
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SQL Server Import and Export Wizard Error: Data conversion failed. The data conversion for column "Column 0" returned status value 4 and status text "Text was truncated or one or more characters had no match in the target code page

SQL
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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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SiteKiosk Object Reference not set to an instance

TECHNOLOGY
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SiteKiosk Object Reference not set to an instance of an object

TECHNOLOGY
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Sql Server Error: Unable to modify table. The co

SQL
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Sql Server Error: Unable to modify table. The conversion of a date data type to a datetime data type resulted in an out-of-range value. The statement has been terminated

SQL
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Sql Server Error: the log for the database is not

SQL
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Sql Server Error: the log for the database is not available

SQL
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response Error 401

What is going on with LinkedIn Access token respon

What is going on with LinkedIn Access token response Error 401

Connection error 401: permission denied - invalid

Connection error 401: permission denied - invalid PVE ticket

how to solve 401 unauthorized error in postman

how to solve 401 unauthorized error in postman

What is the difference between Cookie based Authen

What is the difference between Cookie based Authentication and Bearer

InvalidOperationException: <ClassName xmlns='http:

InvalidOperationException: <ClassName xmlns='http://tempuri.org/'/> was not expected

Uncaught SyntaxError: "[object Object]" is not val

Uncaught SyntaxError: "[object Object]" is not valid JSON

Internal Server Error 500 is not returned in Http

Internal Server Error 500 is not returned in Http Response using Kestrel Web Server (White Screen of Death) AspNet 6

Sr. Software Engineer

Sr. Software Engineer

Nginx (Error) 503 Bad Gateway

Nginx (Error) 503 Bad Gateway

What is ConfigureAwait(true) in Asp.Net Core 3.1 C

What is ConfigureAwait(true) in Asp.Net Core 3.1 C#

How to Add Cookies to the Http Response in AspNet

How to Add Cookies to the Http Response in AspNet 6 MVC

How to Optimize Web Server for Faster Response Tim

How to Optimize Web Server for Faster Response Time

[Solved] FastCGI, Drupal, Nginx, PHP7.2-FPM Error

[Solved] FastCGI, Drupal, Nginx, PHP7.2-FPM Error upstream sent too big header while reading response header from upstream

Http 204 Status Code leads to Chrome downloading a

Http 204 Status Code leads to Chrome downloading a File

resolv.conf no such file or directory

resolv.conf no such file or directory

[AspNet 5 Entity Framework 6 Error] InvalidOperati

[AspNet 5 Entity Framework 6 Error] InvalidOperationException: The property "ModelName.Id" has a temporary value while attempting to change the entity's state to "Modified". Either set a permanent value explicitly, or ensure that the database is configured to generate values for this property.

How to Call a Soap Web Service from Asp.Net Core

How to Call a Soap Web Service from Asp.Net Core

How to Deserialize XML into Object in Asp.Net Core

How to Deserialize XML into Object in Asp.Net Core 3.1

RedisTimeoutException: Timeout awaiting response (

RedisTimeoutException: Timeout awaiting response (outbound=0KiB, inbound=0KiB, 5094ms elapsed, timeout is 5000ms),

nest - ElasticSearch Order By String

nest - ElasticSearch Order By String

InvalidOperationException: Unable to resolve servi

InvalidOperationException: Unable to resolve service for type 'Microsoft.AspNetCore.Http.IHeaderDictionary' while attempting to activate

Lazy Loading Images from CSS Instead

Lazy Loading Images from CSS Instead

Performance Tuning for ASP.NET Web Applications

Performance Tuning for ASP.NET Web Applications

Web API Return Pure Json Data

Web API Return Pure Json Data

InvalidOperationException, A second operation star

InvalidOperationException, A second operation started on this context before a previous operation completed.

Cannot insert the value NULL into column 'Id', tab

Cannot insert the value NULL into column 'Id', table 'TableName'; column does not allow nulls. INSERT fails

Solved! IIS not serving CSS, Images and JavaScript

Solved! IIS not serving CSS, Images and JavaScript

How to Optimize Software performance

How to Optimize Software performance

Ubuntu 23.10 Failed to start ssh.service - OpenBSD

Ubuntu 23.10 Failed to start ssh.service - OpenBSD Secure Shell Server

Chat GPT Code in C#

Chat GPT Code in C#

Solved: How NOT To Show XML In Json Returned By AS

Solved: How NOT To Show XML In Json Returned By ASMX WebService

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 Razor Error: CS1003: Syntax erro

Asp.Net Core 3.1 Razor Error: CS1003: Syntax error, ',' expected

docker-compose 404 page not found AspNet running i

docker-compose 404 page not found AspNet running inside Docker Container

How to Integrate Google Search Console API in Asp.

How to Integrate Google Search Console API in Asp.Net Core using C#

Pinterest API Error "You are not permitted to acce

Pinterest API Error "You are not permitted to access that resource"

[Solved] Visual Studio is Failing to Build

[Solved] Visual Studio is Failing to Build

Nginx.service: Control process exited, code=exited

Nginx.service: Control process exited, code=exited status=1 (Failed to start LSB: Stop/start nginx)

Software Best Practices Learned by Experience

Software Best Practices Learned by Experience

What are the best way to write high performant C#