Practical .NET


Finding Your Objects in ASP.NET Core

Central to ASP.NET Core is the collection of objects that give you access to ASP.NET Core functionality. Here's how to access it, how to add to it and an example of how to use this technology with the "difficult" cases.

Programming Will Always Be Hard

If you're a programmer then you know that you frequently get things wrong. Sometimes you find those bugs before your application gets to production ... and sometimes you don't. Bad news: Nothing is going to help and it's not going to get any better.

Providing Constant Context for .NET Core Tests

By default, tests in the new .NET Core testing framework (xUnit) are isolated. This is a good thing ... except when you need to create a single test environment that is used by multiple tests. Here's all the ways you can provide a single environment for a set of tests in xUnit.

Writing xUnit Tests in .NET Core

There's a new testing framework in town. Here's how to use it.

Introducing the .NET Core Unit Testing Framework (or: Why xUnit?)

There's a new kid in the Visual Studio testing environment, though it's only for your .NET Core projects. You don't have to use it, but here are some reasons you'll want to.

Subqueries in LINQ

If someone tells you that LINQ doesn't support subqueries ... well, they're not wrong. But they're also not entirely correct, either. With LINQ you can meet many of the goals of SQL subqueries including the ability to build complex queries out of simpler ones.

Adding Custom Processing to Requests in ASP.NET

ASP.NET Web API and ASP.NET MVC have similar (but not identical) mechanisms that allow you to customize how your requests and responses are processed. Not surprisingly, ASP.NET Web API's implementation is both easier and more flexible than ASP.NET MVC.

Processing Every Request and Response in ASP.NET

You have at least two options for adding processing to multiple controllers without duplicating code in each of the Controllers.

Speed Up Your Application with SQL Server In-Memory Tables

If screaming speed in data access is the most important thing in your life, SQL Server's durable in-memory, memory-optimized tables are your answer. They were good in SQL Server 2014 and they're even better in SQL Server 2016, 2017 and Azure.

The Fastest Data Access Possible with Compiled Procs

If, in your "need for speed," you're looking to access and update your data as fast as possible, you can get to that goal by combining memory-optimized tables with compiled procs.

Debugging Xamarin Android Apps

You have a bunch of options for debugging Android applications built with Xamarin. Unfortunately, only one of them has worked well for Peter in all scenarios. Here are all your options with Peter's opinion on each and a recommendation on the best one.

When You're Your Own DBA: Speeding Up SQL Server

You're not a DBA but you're responsible for managing your organization's SQL Server installation. Here are some tips on what you can do to speed up all your data access.

Defining Web API Services and Clients with NSwag

The OpenAPI (Swagger) technology suite includes a file that describes your Web API service. Peter thinks it's the slickest tool available to ensure that clients can access your services.

Speeding Up Queries: How to Think About Query Plans

If you want to speed up your SQL Server queries you need to know how your application and your users actually use your database.

The 5 Essential Patterns in Xamarin Applications

There are five design patterns you'll use every time you create a smartphone application. One is imposed by the environment and one is a pattern that you've probably been avoiding when creating other kinds of applications.

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