I also wrote a thing about coding interviews, from the employee side:

http://www.developingandstuff.com/2015/05/why-i-dont-do-codi...

* Stand on the shoulders of giants. Don't write code someone else already did, better than you http://www.developingandrails.com/2015/02/a-social-network-i...

* Embrace the keyboard http://www.developingandstuff.com/2015/01/no-mouse.html