DAX is not only an expression language, but also a query language and, when it comes to performance, the xVelocity in-memory engine is second to none. Scanning fact tables and performing leaf-level computation happens in a matter of milliseconds. Nevertheless, as with any other language, you can write good DAX or bad DAX, depending on your understanding of the engine internals. This session introduces DAX as a query language, showing the different ways of querying with DAX using real-world data. Some queries will be fast, others will need optimizations. Many practical examples based on common patterns and an analysis of the query plans will show how to get the best out of DAX.
Windows Phone 8.1 has brought hundreds of new features, enhancements, and functionality to the Windows Phone platform. In this session we will cover the big ticket items, and why they are significant game changes for mobile application development. And still there will be a lot to cover including: Geofencing, Bluetooth LE, Universal Apps, developer tool updates, HTML apps, Web Authentication Broker, CredentialLocker, background tasks and triggers, new enterprise features, and Cortana.
Every business considering Lync looks at the business case to purchase and deploy differently based on its particular vertical industry, internal environment, and communication strategy and goals. Join us to see how to develop a business case for Lync and get insight into real world examples of how customers in multiple industries have developed successful business cases to deploy Lync, including examples of areas for cost savings for different types or organizations._x000D_