This week I focus on the successful launch of the Career Switch To Coding book on Product Hunt and 4 fantastic questions from followers of @allthecode on Instagram.The questions were:Congrats on the book launch! Any tips for anyone interested in writing and launching a book? From @pau.codesWhat’s your favourite language to work with? @takuyamatsWhen should you start to apply? @developeradamWhat kind of responsibilities are junior iOS developers given?