Announcing ASP.NET Core 1.0 | .NET Web Development and Tools Blog

Today we are excited to announce the release of ASP.NET Core 1.0! This new release is one of the most significant architectural updates we’ve done to ASP.NET. As part of this release we are making ASP.NET leaner, more modular, cross-platform, and cloud optimized. ASP.NET Core is now available, and you can start using it today by downloading it here.

Source: Announcing ASP.NET Core 1.0 | .NET Web Development and Tools Blog

Get Tenant Id from SharePoint App | JavaScript

In rare cases, you may need to find id for Office 365 tenant or SharePoint app catalog tenant id. This solution is for you, who want to get tenant id or unique id for a SharePoint farm with in a SharePoint App using JavaScript.

This solution can only be used when host web has SharePoint App installed, reason for that is, in order to get tenant id, it uses the product id of the app. If SharePoint App is installed in the site, this solution can be used in the host web or in the app web.