Topics/links I found as good read/learning.
Web-dev https://ibaslogic.com/react-tutorial-for-beginners/
CV-ML-DL https://cs231n.github.io/convolutional-networks/ https://stackoverflow.com/questions/51523765/how-to-use-opencv-connectedcomponents-to-get-the-images https://developers.google.com/machine-learning/crash-course/ml-intro
DSA https://leetcode.com/problems/target-sum/discuss/455024/DP-IS-EASY!-5-Steps-to-Think-Through-DP-Questions. https://www.youtube.com/watch?v=q15JgVVLXQg
MISC https://towardsdatascience.com/kalman-filter-interview-bdc39f3e6cf3