As you cross the path of different level of coding skills(e.g. languages), you had to look for the resources in the internet. As for this decade, almost everything is available both videos(youtube, online learning courses etc.) and text tutorials(articles, Wikipedia, Ebooks etc.) Which one of them you feel most comfortable with for yourself? As for me, I try to find a short article to learn about the depth of the skill, then try go get some videos and also follow along books to see if the video had missed anything!
- Text Articles/Book
- Both Simultaneously