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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

Simple routing

The server we built in the previous exercise doesn’t do much – it just responds with a message; we cannot ask anything else. Before we can make our server more dynamic, let’s imagine we want to create an online book and we want to be able to select a chapter just by changing the URL. At the moment, if we browse the following pages, we’ll always see the same message:

http://localhost:8080
http://localhost:8080/hello
http://localhost:8080/chapter1

Now, we want to associate different messages with these different paths on our server. We will do this by introducing some simple routing to our server.

A path is what you see after 8080 in the URL, where 8080 is the port number we chose to run the server on. This path can be one number, a word, a set of numbers, or character groups separated by a /. To do this, we will use another function of the net/http package:

HandleFunc(pattern string, handler func(ResponseWriter, *Request))

Here...

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Go Programming - From Beginner to Professional
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