Chris Richardson discusses creating Node.JS polyglot applications starting from combining an event-driven programming model with a prototype-based, weakly typed, dynamic language.
Eddy Bruel details how objects are implemented internally in SpiderMonkey as shape trees and slot vectors. This is done in order to minimize the memory footprint and obtain better JIT optimization with inline caching.
Jesse Cravens demoes setting up client-side models with various persistence solutions using data bindings, and showing how Ember’s router manages application state.
Trisha Gee demoes building a web application using Java, HTML5, Angular.js, Mongo.DB, Groovy and microservices in one hour.
Matt Debergalis highlights some of Meteor's components, showing how they work together to dramatically shorten the development cycle, whether you're a team of expert developers or just getting started.