Questions for those with good ESRI JS web development experience:
1. JS build systems - grunt or gulp?
2. is bootstrap still the best frontend page dev for multiple devices ?
3. Sass or Less??
4. framework - backbone, angular, react or ember??
5. need for dependency management (i.e. browserify)??
6. why node.js?
7. mongoDB vs MySQL?
Thanks so much for your guidance and sharing.