C# by Examples

How to use async and await in C#?

Learn how async and await enable asynchronous programming in C#, letting methods suspend execution without blocking the calling thread.#async#fundamentals

When to Use async/await vs Task.Run in C#?

Learn when to use async/await for I/O-bound work versus Task.Run for CPU-bound code that needs to run on a background thread in C#.#async#fundamentals#performance

How to check if string is null or empty?

Use string.IsNullOrEmpty() to check for null or empty strings in C#. Use string.IsNullOrWhiteSpace() to also catch whitespace-only strings.#fundamentals#strings

When to Use const vs readonly in C#?

const fields are compile-time constants set at declaration. readonly fields are runtime constants that can be assigned in the constructor in C#.#fundamentals#types

How to convert string to int in C#?

Use int.Parse() when the string is trusted, or int.TryParse() for safe conversion without exceptions when parsing strings to integers in C#.#fundamentals#types