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Selecting Groups in LINQ

Some questions can only be answered by organizing your data into groups and then finding groups that contain particular members or have particular properties.

Doing Visual Studio and .NET Code Documentation Right

Good documentation is important for any application, and it starts with documenting your code. It helps you and it helps your users.

Grouping Results in LINQ

Complex queries can be solved with a combination of simpler LINQ queries, anonymous objects and the Group/By/Into clauses. Using Group/By/Into will also give you the best possible performance for those complex queries.

Export Your ASP.NET Configuration To Reduce Restarts, Share Settings

You don't have to keep all your configuration settings in your config file. There are even some benefits to exporting sections to separate files.

Returning Raw JSON Data in Web API with Marten

Here's a trick to have Marten automatically deserialize JSON data only when you want it to.

Getting All the Results When Joining with LINQ

When you want to find all the objects that are missing a corresponding object, then you need the LINQ equivalent of an outer join. Here, step by painful step, is how to build that query.

Move from Tab to Tab in the Visual Studio Toolbox Without the Mouse

You don't need to take your hands off the keyboard to move to another tab in the Toolbox.

Getting Device-Specific When Customizing a Xamarin Forms App

Your Xamarin Forms App needs one more little tweak, and that's to make it device-specific, so users don't freak out. Unlike the Apple tweak, the Android tweak takes a bit of work.

Working with Enumerated Values in Entity Framework

If you decide on using an Enum with enumerated values in your Entity Framework class, here are the tools you'll need to make it work. But an enumerated value shouldn't be your first choice.

Shortcuts for Defining Anonymous Objects in C# and VB

Here are two ways to save some typing when defining anonymous objects. One only works in Visual Basic, though.

Pattern Matching in C# 7.0 Case Blocks

Welcome to the 21st century, C#, now that case blocks support a variety of pattern-matching formats.

Data Clustering Using R

Find the patterns in your data sets using these Clustering.R script tricks.

More Cool Stuff in TypeScript 2.0 and 2.1

A roundup of a few more features: deprecated any type, literal datatypes, read-only properties, more!

Build Your Own ASP.NET Cache with WeakReferences

You want to keep an object around only as long as you have memory available, do ya? Then you need the WeakReference class.

4 Ways To Transform a File on Windows with C++

On the Windows platform, the C++ language offers several ways to process a file. We'll look at four approaches for serial IO access.

26 Tools and Frameworks for HTML-based Desktop and Web App Interfaces

Whether you're building a Web or desktop application, here's a round-up of tools for building the interface with plain old HTML.

Enforce Referential Integrity Between Documents in Marten

Marten is PostgreSQL-based, so take advantage of relational features where it makes sense. Here's an example.

Dealing with Complexity with DTOs and Command Objects

Peter starts off with a perfectly good solution to a problem but then complicates the problem . . . and ends up moving to a different design pattern. While on that journey he has some best practices around designing Data Transfer Objects.

Convert .NET Framework Lists into Dictionaries

You probably use ToList to convert your LINQ results into Lists. It's almost as easy to convert any collection into a Dictionary whose items you can retrieve by key.

Create a UWP-Based ChatBot Using the Microsoft Bot Framework Direct Line API

Chatbots are the new mobile application. In this article, Nick demonstrates how you can integrate a bot right into your Universal Windows Platform app via the Microsoft Bot Framework Direct Line API.

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