Book Image

Mastering Go - Second Edition

By : Mihalis Tsoukalos
Book Image

Mastering Go - Second Edition

By: Mihalis Tsoukalos

Overview of this book

Often referred to (incorrectly) as Golang, Go is the high-performance systems language of the future. Mastering Go, Second Edition helps you become a productive expert Go programmer, building and improving on the groundbreaking first edition. Mastering Go, Second Edition shows how to put Go to work on real production systems. For programmers who already know the Go language basics, this book provides examples, patterns, and clear explanations to help you deeply understand Go’s capabilities and apply them in your programming work. The book covers the nuances of Go, with in-depth guides on types and structures, packages, concurrency, network programming, compiler design, optimization, and more. Each chapter ends with exercises and resources to fully embed your new knowledge. This second edition includes a completely new chapter on machine learning in Go, guiding you from the foundation statistics techniques through simple regression and clustering to classification, neural networks, and anomaly detection. Other chapters are expanded to cover using Go with Docker and Kubernetes, Git, WebAssembly, JSON, and more. If you take the Go programming language seriously, the second edition of this book is an essential guide on expert techniques.
Table of Contents (20 chapters)
Title Page

Exercises and web links

  • Try to write a Go program that prints the invalid part or parts of an IPv4 address.
  • Can you state the differences between make and new without looking at the chapter text?
  • Using the code of findIPv4.go, write a Go program that prints the most popular IPv4 addresses found in a log file without processing the output with any UNIX utilities.
  • Develop a Go program that finds the IPv4 addresses in a log file that generated a 404 HTML error message.
  • Read a JSON file with 10 integer values, store it in a struct variable, increment each integer value by one, and write the updated JSON entry on disk. Now, do the same for an XML file.
  • Develop a Go program that finds all the IPv4 addresses of a log file that downloaded ZIP files.
  • Using the math/big standard Go package, write a Go program that calculates square roots with high precision – choose the algorithm...