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  • By Dustin Ewers
    Get in Touch with Your Inner Hipster Using C# 9.0 Records csharp-9-records.png

    If you’ve been a professional developer for more than a year or two, you’ve probably heard some hipster developer rave about functional programming. Much like how music sounds better on vinyl, programming is just better in functional languages. Your IQ jumps ten points if you can write a Fibonacci generator in Lisp, and it jumps twenty points if you can accurately describe what a monad is.

    Jokes aside, like craft beer and artisan bacon, the hipsters have a point. As someone who has kids and hobbies, I can’t help you with monads, but learning about less esoteric functional programming concepts will help you write cleaner code with fewer bugs.

    Functional programming concepts have been finding their way in our general-purpose programming languages for years, and C# 9 is no exception. In the latest version of C#, Microsoft has introduced some new functional goodies, mostly around immutable programming. In this post, …

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  • By Dustin Ewers
    C# 8 – Excelling at Indexes csharp-8-indexes.png

    “There are only two hard problems in computer science: cache invalidation, naming things, and off-by-one errors.” — Riff on a joke by Phil Karlton

    After this post, one of these problems will become a little easier for you to solve: you’re going to learn about indices and ranges. While nearly everyone programming in C# uses standard indexes on a regular basis, there are some new ways of accessing arrays and lists that can make your development life a little bit easier. In a few minutes you’ll be up to speed on this C# 8.0 feature and more prepared to take on the C# 9.0 release.


    One of the first things you learn as a beginning programmer in any language is how to access an array. Most languages use a 0-based index. Some languages use 1-based array indexes (and are wrong), but the basic syntax is similar. Here are a …

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  • By Dustin Ewers
    C# 8 – Making Use of Using Declarations csharp-8-using-statements.png

    With C# 9 just around the corner, it’s a good time to look back at some of the goodness in C# 8. This post will take a look at a little syntactic sugar known as using declarations.

    Since time immemorial, C# programmers have been using the using statement to implement disposable classes safely. File I/O, databases, and web services all benefit from the using statement.

    The only downside is that adding a using statement to your code introduces a new scope block and indentation level. C# 8 using declarations eliminate that requirement.

    Review: the using keyword

    In C#, the using keyword has two purposes: The first is the using directive, which is used to import namespaces at the top of a code file. The second is the using statement. C# 8 using statements ensure that classes that implement the IDisposable interface call their dispose method. It guarantees …

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  • By Dustin Ewers
    Containerize an Existing .NET Core App with Docker and Deploy It to Azure containerize-existing-dot-net-docker-azure.png

    In a previous post you learned how to take a fresh application and deploy it to a Kubernetes cluster. While it’s great to start with a new application, most of us don’t get that luxury. Usually, you’re going to start off with something older and have to refactor and then migrate it.

    This tutorial will show you how to take an existing application, refactor it using cloud-native principles, and deploy it to Azure Kubernetes Services. By the time you’re done, you will know how to move your own applications to the cloud.

    If you would like to see a full integration of Twilio APIs in a .NET Core application then checkout this free 5-part video series. It's separate from this blog post tutorial but will give you a full run down of many APIs at once.

    Cloud Migration Patterns

    When migrating applications to the cloud, there are a handful …

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  • By Dustin Ewers
    Building A Cloud Native ASP.NET Core Application and Deploying it to Azure Kubernetes Service with Docker 7EUCzPY9JgIdXMFYmG1BWkow-WFFrnyLHtoiBRhdFWRzMC4rqJ1afaZqAR6VyBd8pB9s_XzO9AmmcJMjDeW8j7Zimys2HbbxY5qh5q27hBHVd3o2zJbHw450LnCGAZp3u2gMMVus

    As developers, we mostly focus on building applications. However, building the app is only half the story. To consider things “done,” we need to get that app deployed into the wild where people can use it. In the .NET world, there’s no shortage of ways we can host our apps, but today, I’d like to focus on building cloud native .NET applications.

    In this post, you’ll learn about building cloud native applications in ASP.NET Core. You’ll learn how to design for the cloud, spin up an Azure Kubernetes Service instance, and deploy your application into the cloud. By the end of this post, you’ll have the tools to build and deploy your own cloud native ASP.NET applications.

    What do you mean by “cloud native”?

    “Cloud native” is one of those terms that sounds obvious, but there’s a more specific definition.

    The Cloud Native Computing Foundation defines the term as follows: …

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