I did a coding bootcamp. It helped in a combination of all the ways you mentioned. Most importantly, I think I needed a way to commit myself to spending 8+ hours every day on learning coding for awhile. I don't have the personality/willpower to do that on my own, although once I made the commitment I never felt like skipping a day of class. It was one of the best decisions of my life.

It was App Academy by the way, a bootcamp that was appealing to me because of its tuition-conditional-on-employment payment scheme. Which meant that I was only risking my own time and effort in learning, not an additional 10k like the poor students of the guy in the article.