Book Image

C# Programming Cookbook

By : Dirk Strauss
Book Image

C# Programming Cookbook

By: Dirk Strauss

Overview of this book

During your application development workflow, there is always a moment when you need to get out of a tight spot. Through a recipe-based approach, this book will help you overcome common programming problems and get your applications ready to face the modern world. We start with C# 6, giving you hands-on experience with the new language features. Next, we work through the tasks that you perform on a daily basis such as working with strings, generics, and lots more. Gradually, we move on to more advanced topics such as the concept of object-oriented programming, asynchronous programming, reactive extensions, and code contracts. You will learn responsive high performance programming in C# and how to create applications with Azure. Next, we will review the choices available when choosing a source control solution. At the end of the book, we will show you how to create secure and robust code, and will help you ramp up your skills when using the new version of C# 6 and Visual Studio

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C# Programming Cookbook
Dirk Strauss
Jul, 2016 | 476 pages
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Table of Contents (21 chapters)
C# Programming Cookbook
C# Programming Cookbook
Credits
Credits
About the Author
About the Author
Acknowledgements
Acknowledgements
About the Reviewer
About the Reviewer
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
New Features in C# 6.0
New Features in C# 6.0
Introduction
Creating your Visual Studio project
String interpolation
Null-conditional operator
Initializers for auto-implemented properties and getter-only auto properties
Index initializers
The nameof expressions
Expression-bodied functions and properties
Using static
Exception filters
Using await operator in catch and finally blocks
2
Classes and Generics
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
3
Object-Oriented Programming in C#
Object-Oriented Programming in C#
Introduction
Using inheritance in C#
Using abstraction
Leveraging encapsulation
Implementing polymorphism
Single responsibility principle
Open/closed principle
4
Composing Event-Based Programs Using Reactive Extensions
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
5
Create Microservices on Azure Service Fabric
Create 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
6
Making Apps Responsive with Asynchronous Programming
Making Apps Responsive with Asynchronous Programming
Introduction
Return types of asynchronous functions
Handling tasks in asynchronous programming
Exception handling in asynchronous programming
7
High Performance Programming Using Parallel and Multithreading in C#
High Performance Programming Using Parallel and Multithreading in C#
Introduction
Creating and aborting a low-priority background thread
Increasing 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 to run multiple threads
Cancelling a parallel foreach loop
Catching errors in parallel foreach loops
Debugging multiple threads
8
Code Contracts
Code Contracts
Introduction
Downloading, installing, and integrating code contracts into Visual Studio
Creating code contract preconditions
Creating code contract postconditions
Creating code contract invariant
Creating code contract Assert and Assume methods
Creating code contract ForAll method
Creating code contract ValueAtReturn method
Creating code contract Result method
Using code contracts on abstract classes
Using contract abbreviator methods
Creating tests using IntelliTest
Using code contracts in extension methods
9
Regular Expressions
Regular Expressions
Introduction
Getting started with regex
Matching a valid date
Sanitizing input
Dynamic regex matching
10
Choosing and Using a Source Control Strategy
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, and handling and resolving conflicts in code
11
Creating a Mobile Application in Visual Studio
Creating a Mobile Application in Visual Studio
Introduction
Installing Xamarin and other required components
Creating an Android Visual Studio project using Apache Cordova
Creating an iOS application using Xamarin Forms
12
Writing Secure Code and Debugging in Visual Studio
Writing Secure Code and Debugging in Visual Studio
Introduction
Encrypting and storing passwords correctly
Using SecureString in code
Securing sensitive parts of App.config/web.config
Preventing SQL injection attacks
Using Diagnostic Tools and Historical Debugging
Setting conditional breakpoints
Using PerfTips to identify bottlenecks in code
13
Creating a Web Application in Azure
Creating a Web Application in Azure
Introduction
Creating a database in Azure for testing
Creating a web application and hosting on Azure
Using virtual machines on Azure
Index
Index

Installing Rx

Before we can begin exploring Rx, we need to install it. The easiest way to do this is using NuGet.

Getting ready

For this chapter on Rx, we will not create a separate class. All the code will be written in a console application.

How to do it…

  1. Right-click on your solution and select Manage NuGet Packages for Solution… from the context menu:

  2. In the window that is displayed afterwards, type System.Reactive in the search text box and search for the NuGet installer:

  3. At the time of writing this book, the last stable release was version 3.0.0. Next, select the projects that you want to install Rx on. For simplicity sake, we just selected it to be installed project wide:

  4. The next screenshot that is displayed is a confirmation dialog box, asking you to confirm the changes to the project. It will show a preview of the changes it will be making to each project. If you are happy with the changes, click on the OK button:

  5. A license agreement might be presented to you in the last dialog screen,...

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