Enhancement of Technical Knowledge and Skills Mathematics Stack Exchange This is a question-and-answer platform where math lovers and professionals can ask and answer questions on a range of mathematical topics. Stack Overflow This is a forum where developers and programmers can ask and answer questions about coding and software development. Coding Practices: (1) LeetCode: This site primarily focuses on data structures and algorithms. Problems are classified into easy, medium and hard. Utilization of study resources provided is recommended. (2) Codewars: Aiming to enhance users’ coding skills in an engaging way, this site offers coding problems ranging from beginner to advanced levels. (3) W3Schools: This resource is a comprehensive platform offering tutorials, examples and exercises for learning web development coding. YouTube videos: This series of 20 YouTube videos, available from an online education channel called Codebasics, is intended for revisions on algorithm and programming tasks.