In the past I've started blogging about my dev work a few times but haven't had much success getting to actually writing posts. In most attempts ...
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Thanks for sharing! Whenever I have an idea for a side project, I always want to make it a learning opportunity, too. Then I go through feelings similar to yours about pruning what I can use so I can "be a real developer."
Of course, that just makes me forget about both the idea I had, and more importantly, the fact that just doing the side project is a learning experience already.
Make an effort to let go of those thoughts and embrace all of the great tools available! I like to stop and think that even if I was writing all my code in assembly I would still be making using of so much work that I don't even begin to understand!