Code Efficiency Courses
Corey Schafer via YouTube MIPS Assembly
Exercism Optional Chaining
egghead.io Learn Advanced Modern C++
Udemy Write quicker HTML5 and CSS 3; productivity hacks with emmet
Udemy Coding in Style
Udemy 150+ Exercises - Data Structures in Python - Hands-On
Udemy Generating Mock Data with Python - NumPy, Pandas, and Datetime Libraries
Keith Galli via YouTube Understanding Arduino Interrupts - Hardware, Pin Change & Timer Interrupts
DroneBot Workshop via YouTube BigO Notation and Time Complexity Tutorial - Code Efficiency and Algorithm Analysis
Tech with Tim via YouTube