A class selector in CSS is an essential concept for web developers and designers to understand. It allows you to target specific elements on a webpage and apply styles to them. This can be a powerful tool for creating user-friendly and appealing websites, it's a must-know for anyone working with CSS
In Python, "lambda" is a keyword that is used to create small, anonymous unnamed functions. These functions are also called lambda functions. They are defined using the "lambda" keyword followed by one or more arguments, a colon, and a single expression that is evaluated when the function is called.
Most Applications on the Web rely on identifying their users for various factors including advertisements while other applications give content access to users only from a specific location. VPN and Web Proxy are popular tools that end-users use to address these issues by hiding their real identity.