In EF7, SaveChanges performance has been significantly improved, with a special focus on removing unneeded network roundtrips to your database. In some scenarios, we’re seeing a 74% reduction in time taken – that’s a four-fold improvement! 

However, at the end of the day, it's good to remember that your initial regex along the lines of [a-z0-9.-]+@[a-z0-9.-]+\.[a-z0-9]+ is quite simply... wrong. 

New In-Memory OLTP improvements in CTP3.1 include:

• Unique indexes in memory-optimized tables, to complement the support for unique constraints that was released in CTP3
• LOB data types varchar(max), nvarchar(max), and varbinary(max) in memory-optimized tables and natively compiled modules
• Indexes with NULLable key columns in memory-optimized tables

Syntax inputdate AT TIME ZONE timezone.

• Inputdate: An expression that can be resolved to a smalldatetime, datetime, datetime2, or datetimeoffset value.
• Timezone: Name of the destination time zone in standard format as enumerated by Windows. Available time zones can be found by querying sys.time_zone_info.
  

SQL Server Analysis Services (SSAS) updates allow upgrading your existing models to 1200 compatibility level and a JSON editor for SSDT;

I’ve started looking at using MediatR for my domain events implementations. To that end, I created a quick sample project using ASP.NET Core 2.0. Overall things were pretty easy to get going. If you haven’t used MediatR before, or if you’re looking for a quick intro on how to set it up for ASP.NET Core, keep reading (if not, how did you get here? Was the title not clear?). 

gridstack.js is a jQuery plugin for widget layout. This is drag-and-drop multi-column grid. It allows you to build draggable responsive bootstrap v3 friendly layouts. It also works great with knockout.js, angular.js and touch devices.  Demo  Demo

Use Visual Studio and Apache Cordova™ to easily build hybrid apps that run on iOS, Android, Windows, and Windows Phone using a single project based on HTML and JavaScript. (Note: You must have Visual Studio 2013 Update 4 installed.) 

Organize your tabs and docs into a dedicated space for each of your projects.

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Either the 'unsafe-inline' keyword, a hash ('sha256-47n3fyKunfMlzbj5WI9A+M7PCtkEBK1FdKBmeIJm6cQ='),
or a nonce ('nonce-...') is required to enable inline execution.

Refused to apply inline style because it violates the following Content Security Policy directive: "style-src 'self'".
Either the 'unsafe-inline' keyword, a hash ('sha256-U7TCPcjA7cg/qySnA1JN36C5ogRYdv4YyFAlyei7GN8='),
or a nonce ('nonce-...') is required to enable inline execution.

builder.AddStyleSrc().Self()
  .WithHash256("47n3fyKunfMlzbj5WI9A+M7PCtkEBK1FdKBmeIJm6cQ=")
  .WithHash256("U7TCPcjA7cg/qySnA1JN36C5ogRYdv4YyFAlyei7GN8=");