Input Validation for me is about validating the user input. Some people call "Name must not be empty" a business rule, I think about it as input validation. Business Rules validation is more complex, because a business rule for me is not "Name must not be empty", it is a definition of a state in the system that requires an action. Here is a definition of a business rule:

An order should be payed within 30 days, this duration can be extended, to a maximum of three times. 

Create a RESTful API with authentication using Web API and Jwt 

 recently, new formats struggled with matching the decoding rates of gzip, but lately a new contender named brotli has shown impressive results. It has been able to improve on gzip anywhere from 20% to 40% in terms of compression ratios while keeping up on the decoding rate. 

C# 7.1 is a small release with just a few (but well-chosen) new language features; useful we think, but definitely in the minor range. It’s supported by Visual Studio 2017, starting with Update 15.3. 

We recently released a small update to Team Explorer Everywhere – a cross platform command line and Eclipse plug-in for working Team Foundation Server and Visual Studio Team Services. 

The .NET team at Microsoft has been working in close collaboration with the gRPC team since November 2018 on a new fully managed implementation of gRPC for .NET Core.

We’re pleased to announce that grpc-dotnet is now available with .NET Core 3.0 today! 

Point to note that, Visual Studio 2017 version 15.9 would be the last/final release of Visual Studio 2017, as it has been designated as "Service Pack". Microsoft won't be releasing any further updates to it.