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Go Programming - From Beginner to Professional

Go Programming - From Beginner to Professional - Second Edition

By : Samantha Coyle
4.5 (14)
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Go Programming - From Beginner to Professional

Go Programming - From Beginner to Professional

4.5 (14)
By: Samantha Coyle

Overview of this book

Go Programming – From Beginner to Professional is a comprehensive guide that takes your proficiency in the Go programming language from novice to expert. Starting with fundamental concepts, this book covers variables, command-line tools, and working with data before delving into advanced concepts, including error handling, interfaces, and generics, harnessing Go’s latest features through hands-on exercises. Along the way, you’ll learn to structure projects using Go modules, manage packages effectively, and master debugging techniques. As you progress, you’ll get to grips with practical application-centric aspects such as command-line programming, file manipulation, and working with SQL databases. Additionally, the book explores web server development, RESTful APIs, and utilizing the Go HTTP client to interact with web applications. Further enhancing your Go skills, you’ll learn concurrent programming, testing methodologies, Go tools, and how to deploy applications in the cloud. Throughout the book, you’ll uncover Go’s hidden gems and gain insights into time manipulation, best practices, and more. By the end of this book, you’ll have worked through practical exercises and activities that’ll equip you with the knowledge and skills needed to excel as a proficient Go developer, primed for success in real-world projects.
Table of Contents (30 chapters)
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1
Part 1: Scripts
6
Part 2: Components
11
Part 3: Modules
16
Part 4: Applications
20
Part 5: Building For The Web
23
Part 6: Professional

HTTP servers

You’ve seen how to build HTTP servers in Chapter 16, Web Servers, but you might remember that there was something difficult to handle with HTTP servers, and this was the application’s state. Essentially, an HTTP server runs as a single program and listens to requests in the main Goroutine. However, when a new HTTP request is made by one of the clients, a new Goroutine is created that handles that specific request. You have not done it manually, nor have you managed the server’s channels, but this is how it works internally. You do not actually need to send anything across the different Goroutines because each Goroutine and each request is independent since they have been made by different people.

However, what you must think of is how to not create race conditions when you want to keep a state. Most HTTP servers are stateless, especially if you’re building a microservice environment. However, you might want to keep track of things with a...

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Go Programming - From Beginner to Professional
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