Software craftsman. Love challenges and unsolved problems. http://igorkh.net
Today I forgot my SSH user name of my Personal page app written in Rails and hosted on Digital Ocean . Spent 30 mins of trying different user names (since root user is disabled) — then I decided that re-creating a…
I guess many of you faced once the following CPU spikes on your MongoDB server:
In this article I’m going to explain you what performance issues you may have when use unique validations in Rails models.