FoxLearn | How to

How to Use regex capturing groups to extract data in C#

By Tan Lee Published on Dec 20, 2024 391

In regex, capturing groups allow you to extract and save portions of text for later use. These groups can either be unnamed and referenced by index, or they can be named for easier reference.

How to Parser CSV Data When a Field Has Commas in C#

By Tan Lee Published on Dec 20, 2024 357

When working with CSV data, commas are typically used to separate fields.

How to Run Background Tasks in ASP.NET Core with Hosted Services

By Tan Lee Published on Dec 19, 2024 395

One of the features I appreciate most about .NET Core is how easily it allows you to implement and run background tasks in an ASP.NET Core project.

Creating an Web API in ASP.NET Core

By Tan Lee Published on Dec 19, 2024 247

This article covers the fundamentals of asynchronous (async) programming and its advantages in Web APIs.

Asynchronous Programming in .NET Core

By Tan Lee Published on Dec 19, 2024 200

This article explores asynchronous programming in .NET Core C# using `async` and `await`. It covers the fundamentals of async programming, explaining how it differs from synchronous programming.

Download WebView2 Runtime

By Tan Lee Published on Dec 18, 2024 695

To download the WebView2 Runtime, follow these steps.

How == and === are different in JavaScript

By Tan Lee Published on Dec 18, 2024 242

In JavaScript, == and === are both comparison operators, but they behave differently.

How to get the input's value with a button

By Tan Lee Published on Dec 18, 2024 251

To get the value of an input using a button, you can use JavaScript to retrieve the input's value when the button is clicked.

What is the difference between let, var and const

By Tan Lee Published on Dec 18, 2024 156

In JavaScript, `let`, `var`, and `const` are used to declare variables, but they differ in terms of scope, hoisting, and mutability.

How to use .join method in Javascript

By Tan Lee Published on Dec 18, 2024 197

The `.join()` method in JavaScript is used to join all elements of an array into a single string. It takes an optional `separator` parameter that specifies how the elements should be separated in the resulting string.

How to use console.log in Javascript

By Tan Lee Published on Dec 18, 2024 201

In JavaScript, console.log() is a built-in method used to print messages to the console, typically for debugging purposes.

What is null in Javascript

By Tan Lee Published on Dec 18, 2024 194

In JavaScript, `null` is a special value that represents the intentional absence of any object value.

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