What is the difference between creating a "file upload" functionality using PHP native and using the Laravel framework? Describe yourself.

What is the difference between DLL and EXE files in.NET?

Scenario:  You have been tasked with building a URL file validator for a web crawler. A web crawler is an application that fetches a web page, extracts the URLs present in that page, and then recursively fetches new pages using the extracted URLs. The end goal of a web crawler is to collect text data, images, or other resources present in order to validate resource URLs or hyperlinks on a page. URL validators can be useful to validate if the extracted URL is a valid resource to fetch. In this scenario, you will build a URL validator that checks for supported protocols and file types.

What is Pandas and Pytorch for the following question below ? Please find two open-source python packages or web APIs that you find particularly interesting or that are applicable to your field of study. Please discuss the following points: 1. What sparked your interest in them? 2. How do the packages relate to your field of study or endeavor? 3. If you were to use it in an application what features in the packages would you leverage? 4. How did you find the package or APIs? 5. Is the package still actively maintained?

Q. What is the purpose of the "strict mode" in JavaScript, and how do you enable it in a JavaScript file?.