Explore the fundamentals of Haskell programming, including expressions, types, and functions, and learn how to write concise code using pattern matching and guarded clauses. Understand how Haskell's statically typed type system ensures type safety and how functions can be composed and passed as arguments.

Testing is an essential part of the software development process, helping ensure your application works as expected, catches bugs early, and improves overall quality. This topic introduces Flask's testing tools, including `unittest` and `pytest`, covering the basics of testing, how to write tests for your Flask application, and best practices for testing.

Learn how to build simple web servers and clients in Go using the standard library. Discover how to handle HTTP requests, form data, and network concepts, with practical examples and key concepts to help you get started.