Free
Everybody loves free!
Write yourself a Git!
This article is an attempt at explaining the Git version control system from the bottom up, that is, starting at the most fundamental level moving up from there. This does not sound too easy, and has been attempted multiple times with questionable success. But there's an easy way: all it takes to understand Git internals is to reimplement Git from scratch.
Machine Learning Tutorial | Intellipaat
This machine learning tutorial covers what is machine learning, machine learning algorithms like linear regression, binary classification, decision tree, random forest and unsupervised algorithm like k means clustering in detail with complete hands on demo. There is machine learning complete project and machine learning interview questions as well in this machine learning full course video to prepare you for the job interview.
Data Science for Beginners (Youtube)
Data Science tutorial will help you learn what is Data Science and master the foundations of data science, data sourcing, coding, mathematics, and statistics. In this complete Data Science courses video, you will get to understand the concepts of Data Science like Supervised Learning which includes data manipulation, Data Visualization, Linear Regression, Logistic Regression, Decision Tree, Random Forest. You will also learn about Unsupervised Learning which includes k-means clustering, user-based & item-based filtering, association rule mining, etc among others.