HackerRank not only provides coding challenges but also has a blog and resources that cover best coding practices and data structures.
GeeksforGeeks is a comprehensive online platform, particularly known for its extensive coverage of data structures and algorithms.
LeetCode offers coding challenges related to Data structure & Algo to enhance problem-solving skills and excel in technical interviews.
freecodecamp provides free coding lessons, projects, and certifications with an emphasis on best practices in web development.
Coursera offers online courses on programming and computer science, often covering best practices in software development.
It offers coding lessons with an emphasis on coding practices. They cover a wide range of programming languages and technologies.