I'd recommend Alex Wu system design interview books volume 1 and 2. Then Designing data intensive applications. It really gets to the point. Also there is added benefit of being ready for MAANG if that opportunity ever comes up..
That was eerie! I felt my apartment building start to rock and sway as the walls were creaking. Not something I’m used to as a NY native, and not something I loved to experience 20+ floors above the ground.
I was at a coffee shop in Astoria and it sounded like the subway running under. My first thought was that there is no line under this street (been living here forever). Then I thought maybe a jet liner flew over too close. But then judging by other people's reaction, I realized that this was an earthquake. I had no idea that you can hear earthquakes...