One of the best FreeCAD tutorials.
SSH login without password
Very useful in just 2 steps ssh-keygen ssh-copy-id username@remote_host
Bebop Guitar Solos
Interview Transcribing Jazz Guitar: An Interview with Michael Kaplan The book Similar free books
Basics Programming in C
A Flash-based audio-visual seminar to introduce you to the fundamentals of the C language which will help you move on to C-based languages like C++, Java and C#. http://mindview.net/CDs/ThinkingInC/beta3
Draw a line on Visio
I was trying to draw a simple line on Visio and had to search how to do it https://support.office.com/en-us/article/Draw-a-line-6b66faa1-9016-4373-92fc-c25b35291de6
MultiBootUSB
MultiBootUSB is a cross platform software written in python which allows you to install multiple live linux on a USB disk non destructively and option to uninstall distros. http://multibootusb.org/
Homotopy Type Theory
Looks like an interesting topic, but I’m too busy to read it, so just share π Homotopy Type Theory and Univalent Foundations