How To
How to set data attribute in JQuery
1/14/2025 4:19:57 AM 353
In jQuery, you can set a data attribute using the .data() method or by directly manipulating the data-* attribute using .attr().
How to add class to element in Javascript
1/14/2025 3:02:22 AM 148
In JavaScript, you can add a class to an HTML element using the classList property and the add() method.
How to implement an asynchronous socket in C#
1/13/2025 2:33:04 AM 331
A socket is the endpoint for two-way communication between two processes operating over a network.
How to fix InvalidOperationException: No service for type 'Microsoft.AspNetCore.Identity.UserManager'
1/11/2025 3:25:13 AM 2.68K
To resolve the error 'InvalidOperationException: No service for type 'Microsoft.AspNetCore.Identity.UserManager[Microsoft.AspNetCore.Identity.IdentityUser]' has been registered,' follow these steps when customizing ASP.NET Core Identity.
System.InvalidOperationException: Unable to resolve service for type while attempting to activate
1/11/2025 2:18:51 AM 740
The error System.InvalidOperationException: Unable to resolve service for type while attempting to activate typically occurs in .NET applications when the dependency injection (DI) container is unable to resolve or instantiate a service that is being requested.
Unable to resolve service for type 'Microsoft.AspNetCore.Identity.RoleManager'
1/11/2025 1:59:06 AM 1.23K
The error "Unable to resolve service for type 'Microsoft.AspNetCore.Identity.RoleManager'" in ASP.NET Core typically occurs when the dependency injection can't find or inject a required service.
How to Download Crystal Reports for Visual Studio 2019
1/11/2025 1:39:26 AM 1.78K
To download and install Crystal Reports for Visual Studio 2019, follow these steps.
How to take a screenshot with Selenium WebDriver
1/10/2025 8:42:50 AM 174
Taking screenshots in Selenium WebDriver is a key feature for automated testing, allowing testers to capture visual evidence of issues, bugs, or test failures.
Sending JSON in .NET Core
1/10/2025 8:31:40 AM 129
In .NET Core, the Microsoft.Azure.Storage.Queue package has been replaced with the Azure.Storage.Queues package, and the CloudQueueMessage you used to send messages via queue.AddMessageAsync() has been simplified into the SendMessageAsync(string) method.
Writing Files Asynchronously with Multiple Threads in .NET Core
1/10/2025 8:29:52 AM 209
When building applications that need to write to a file from multiple threads, it's crucial to ensure thread safety and avoid race conditions.
Manipulating XML Google Merchant Data with C# and LINQ
1/10/2025 8:21:06 AM 151
When working with data from the Google Merchant Center, you often receive a Google Product Feed, typically in XML format, containing product information.
Set Local Folder for .NET Core in C#
1/10/2025 8:15:16 AM 119
When developing a .NET Core Worker Service, you can configure the service to run as a Windows Service using the following code.
