Learn what GUIDs are, how to randomly generate GUIDs, and how to copy them. Examples are given both in C# and VB.NET.
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Learn about using Captcha security as you work through a sample ASP.NET Web application.
Discover how to see whether or not your Firewall is enabled. The code provided is in both C# and VB.NET.
Explore the various ways to cater to Admin permissions in your Visual Basic programs.
Learn about just where the Internet of Things stands now, in terms of problems, security countermeasures, and responses.
Plunge into the main concepts of building claim-based security on top of a brand-new platform: ASP.NET Core (with .NET Core).
Latest CodeGuru Developer Columns
In this installment of the Xamarin series, learn about Xamarin.Forms.
Many people are still using older programming languages. Think about the pros and cons.