What you describe you did with your blog is, in some sense, resume-driven development: you probably learned stuff in the process, which might be useful in a fut

What you describe you did with your blog is, in some sense, resume-driven development: you probably learned stuff in the process, which might be useful in a future job situation. The difference is that nobody paid you for doing all that unnecessary stuff. Doing unnecessary things for learning is good, but not what a company is paying you for, usually.