Why I Maintain This Blog Posted on February 6, 2018August 4, 2019 by braindenny Hi there I’m Denny Zhang. A coder at work. If you are interested in VMware opportunities, here is my referral link. Many IT companies use code online judgement to evaluate candidates. Especially the big ones. e.g, Google, Facebook, Amazon, etc. When I first heard of this, I felt being humiliated. Kidding me?