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C# 7 and .NET Core Cookbook - Second Edition

By : Dirk Strauss, Fabio Claudio Ferracchiati

3.3 (6)

Buy this Book

C# 7 and .NET Core Cookbook

3.3 (6)

By: Dirk Strauss, Fabio Claudio Ferracchiati

Buy this Book

Overview of this book

C# has recently been open-sourced and C# 7 comes with a host of new features for building powerful, cross-platform applications. This book will be your solution to some common programming problems that you come across with C# and will also help you get started with .NET Core 1.1. Through a recipe-based approach, this book will help you overcome common programming challenges and get your applications ready to face the modern world. We start by running you through new features in C# 7, such as tuples, pattern matching, and so on, giving you hands-on experience with them. Moving forward, you will work with generics and the OOP features in C#. You will then move on to more advanced topics, such as reactive extensions, Regex, code analyzers, and asynchronous programming. This book will also cover new, cross-platform .NET Core 1.1 features and teach you how to utilize .NET Core on macOS. Then, we will explore microservices as well as serverless computing and how these benefit modern developers. Finally, you will learn what you can do with Visual Studio 2017 to put mobile application development across multiple platforms within the reach of any developer.

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Conventions

Reader feedback

Customer support

Free Chapter

New Features in C# 7.0

Introduction

Working with Tuples - getting started

Working with Tuples - going deeper

Pattern matching

Out variables

Deconstruction

Local functions

Improvements to literals

Ref returns and locals

Generalized async return types

Expression bodies for accessors, constructors, and finalizers

throw expressions

Classes and Generics

Introduction

Creating and implementing an abstract class

Creating and implementing an interface

Creating and using a generic class or method

Creating and using a generic interface

Object-Oriented Programming in C#

Introduction

Using inheritance in C#

Using abstraction

Leveraging encapsulation

Implementing polymorphism

Single responsibility principle

Open/closed principle

Exception handling

Code Analyzers in Visual Studio

Introduction

Finding and installing analyzers

Creating a code analyzer

Creating a custom code analyzer

Deploying your code analyzer within your organization only

Regular Expressions

Introduction

Getting started with regex - Matching a valid date

Sanitizing input

Dynamic regex matching

Working with Files, Streams, and Serialization

Introduction

Creating and extracting ZIP archives

In-memory stream compression and decompression

Async and await file processing

How to make a custom type serializable?

Using ISerializable for custom serialization to a FileStream

Using XmlSerializer

JSON serializers

Making Apps Responsive with Asynchronous Programming

Introduction

Return types of asynchronous functions

Handling tasks in asynchronous programming

Exception handling in asynchronous programming

High Performance Programming Using Parallel and Multithreading in C#

Introduction

Creating and aborting a low-priority background thread

Increasing the maximum thread pool size

Creating multiple threads

Locking one thread until the contended resources are available

Invoking parallel calls to methods using Parallel.Invoke

Using a parallel foreach loop

Cancelling a parallel foreach loop

Catching errors in parallel foreach loops

Debugging multiple threads

Composing Event-Based Programs Using Reactive Extensions

Introduction

Installing Rx

Events versus observables

Using LINQ to perform queries

Using schedulers in Rx

Debugging lambda expressions

Exploring .NET Core 1.1

Introduction

Creating a simple .NET Core application and running it on a Mac

Creating your first ASP.NET Core application

Publishing your ASP.NET Core application

ASP.NET Core on the MVC Framework

Introduction

Including middleware and why it is useful

Creating Controllers and using routing

Rendering Views

Choosing and Using a Source Control Strategy

Introduction

Setting up Visual Studio account management and determining which source control solution is best for you

Setting up Visual Studio GitHub integration, checking in code for the first time, and checking in changes

Working as a team using GitHub, handling and resolving conflicts in code

Creating a Mobile Application in Visual Studio

Introduction

Installing Xamarin and other required components on your Windows PC and Mac

Creating a mobile application using Apache Cordova

Creating an iOS application using Xamarin.Forms and Visual Studio for Mac

Writing Secure Code and Debugging in Visual Studio

Introduction

Encrypting and storing passwords correctly

Using SecureString in code

Securing sensitive parts of the App.config/web.config

Preventing SQL injection attacks

Using IntelliTrace, diagnostic tools, and historical debugging

Setting conditional breakpoints

Using PerfTips to identify bottlenecks in code

Creating Microservices on Azure Service Fabric

Introduction

Downloading and installing Service Fabric

Creating a Service Fabric application with a stateless actor service

Using Service Fabric Explorer

Azure and Serverless Computing

Introduction

Creating an Azure function

Providing print functionality with DocRaptor

Using AWS and S3

Creating C# Lambda functions with AWS

Creating a custom code analyzer

The real magic of code analyzers come to the fore when you create one to suit a specific need. What would qualify as a specific need? Well anything that is specific to your own business requirements that is not covered in the out-of-the-box analyzers. Don't get me wrong; the existing analyzers that are available to developers really cover a lot of good programming practices. Just take a look on GitHub by searching for C# code analyzers.

Sometimes, however, you might have a case where something is more suited to your workflow or the way your company does business.

An example of this is could be to ensure that comments on all public methods include more information than just the standard <summary></summary> and parameter information (if any). You might want to include an additional tag with the internal task ID, for example (think Jira here). Another example is making...

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