Actually my house burnt to the ground, and my pc was inside, so my PC burnt.
The course was a standford course (in their old platform lagunita) by the famous Professor Jeffrey Ullman. But you can find the course (very interesting already read the book many times, before he burnt too :D) in edx : https://www.edx.org/course/mining-massive-datasets?index=product&queryID=99850d48786919886c407ba517259a5c&position=1

it’s oki, it was in June, since then, thanks to God, we are better.