It was yes, my mistake.
I read your link and it was a snoozefest, and I'm not really sure twitter posts count as references.
People want to see your code before they hire you. Github is a place to share code. That's it really - white male or not.
This is especially relevant to OP because he doesn't have commercial experience coding. Most interviewers will be nervous of this, a large portfolio accessible in a familiar format will alleviate much of their tension.
Don't forget, most interviews for the interviewer are basically an ass covering exercise. Nobody wants to be remembered as "the person that hired THAT guy".