Category: Uncategorized

Learn how to efficiently debug your .NET app by using Visual Studio to fix your bugs quickly.

Learning objectives

By the end of this module, you’re able to:

• Debug a .NET program with the Visual Studio debugger.
• Create breakpoints and find issues by running your code step by step.
• Inspect your program state at any execution step.

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Learn how to manage local files and directories using the System.IO classes, and how to store and retrieve C# objects using CSV files and the StreamReader and StreamWriter classes.

Learning objectives

• Describe common file input and output operations, the difference between structured and unstructured data, and common text file formats.
• Use the Path, Directory, and File classes to create, copy, move, delete, and enumerate local text files and directories.
• Implement file input and output operations using the StreamReader and StreamWriter classes and CSV files.
• Control file access using the FileStream class.
• Read and write binary files using the BinaryReader and BinaryWriter classes.
• Store and retrieve C# objects using file input and output operations.

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Discover how default implementations in interfaces enable you to add new methods directly into an interface and provide a default implementation.

Learning objectives

By the end of this training, you’ll be able to:

• Define and implement basic interfaces in C#.
• Implement default methods in interfaces.
• Use interfaces as method parameters to promote loose coupling.
• Implement and use common system-defined interfaces like IEnumerable, IDisposable, and IComparable.
• Override default implementations in specific classes.

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Automatically deploy and update a Blazor web application and its API from a GitHub repository.

Learning objectives

In this module, you will:

• Clone and run an existing Blazor web app locally.
• Create an API for the app with Azure Functions.
• Publish the app and its API to Azure Static Web Apps.

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Learn coding practices to help prevent the occurrence of NullReferenceException.

Learning objectives

In this module, you will:

• Learn how to configure the nullable context of your C# project or code.
• Use a nullable enabled context to perform automatic static flow analysis.
• Understand the different ways in which you can declare nullable types.
• Learn how and when to use various null-related C# operators:
  • null-forgiving (!) operator
  • null-coalescing (??) operator
  • null-conditional (?.) operator

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Discover how mastering interfaces can enhance your coding skills, promote flexibility, and reduce dependencies. This training will empower you to write more resilient and maintainable code.

Prerequisites

• Visual Studio Code installed with the C# Dev Kit.
• Basic knowledge of the Visual Studio Code IDE.
• Basic understanding of the C# programming language.
• Familiarity with classes.

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Take your first steps with F# – Set up your development environment, write your first F# code, and build your first application.

Learning objectives

By the end of this module, you’re able to:

• Understand what makes F# a good language for building applications.
• Write your first line of F# code.
• Build your first F# console application.

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Learn how to create classes and objects in C# and how to securely access and manage encapsulated data using class properties and methods.

Prerequisites

• Access to a Visual Studio Code environment that’s configured with the C# Dev Kit extension.
• The ability to develop C# console apps that implement business logic using iteration statements, selection statements, and custom methods.
• The ability to perform basic C# code debugging and exception handling in a Visual Studio Code environment.

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Learn how to serialize and deserialize JavaScript Object Notation (JSON) strings using the JsonSerializer class, the JsonSerializerOptions class, and Data Transfer Objects.

Learning objectives

• Explain the basics of JSON syntax and its use in data interchange and storage.
• Use the System.Text.Json namespace in C# to work with JSON data.
• Serialize C# objects into JSON strings using the JsonSerializer.Serialize method and customize the serialization process.
• Deserialize JSON strings back into C# objects using the JsonSerializer.Deserialize method and customize the deserialization process.
• Use the JsonSerializerOptions class and Data Transfer Objects (DTOs) to manage the serialization and deserialization of complex objects.

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In this module, you learn how to design an interface with properties in C#, develop a class that implements the interface, and formulate property definitions within the interface.

Learning objectives

By the end of this training, you’ll be able to:

• Design an interface property.
• Design an interface method.
• Implements an interface in a class.
• Understand the value of interfaces.

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