They definitely need to install a caching plugin. Wordpress taking your site down, even on some subpar shared host, should be a thing of the past by now.
Absolutely. I did not bother so far, since I was mostly writing for myself. But I should have before posting here; I know what the hug of death means!
Sorry about that. It looks like the MySQL database did not like the sudden influx of traffic. It's back up!
Dynamic programming doesn't automatically mean you don't have any books, or that things will be fast.
I was using Leetcode this week and realized how terrible the software is.
The login flow was broken where it kept signing me out when I tried to click “subscribe to premium”. There was no way to give them money and I was stuck in a loop.