Various section of learning sites

• Codecademy: Learn to code JavaScript, Python, etc
• Coursera and edX: Go through courses with various universities online
• Adafruit and Sparkfun: Learn hardware prototyping to link up some sensors and display their values with a web app
• Stack Overflow: Ask programming related questions online
• GitHub  and GitLabs: Look at other open source code, use them and learn from how they are coded
• Technology Review: Learn about latest engineering and development news around the world

Resource Link:  http://www.tomboy-tarts.com/sayanee-basu-builds-a-future-in-tech/

Books, we should study

http://books.sayan.ee/