Two Stackoverflow surveys I found particularly interesting for 2018 were those on "Frameworks, Libraries, and Tools" and "Healthy Habits" which I've presented below . . . Jeff Lu
49,665 responses
Node.js and AngularJS continue to be the most commonly used technologies in this category, with React and .Net Core also important to many developers.
You can find the specific stackoverflow survey here Frameworks, Libraries, and Tools.
71,946 responses
Developers tell us they do not often skip meals because of their workload, and a majority say they exercise at least some. Over 60% of respondents exercise at least weekly, but the most often chosen exercise frequency is 'never'.
You can find the specific stackoverflow survey here Healthy Habits.