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  • Book Overview & Buying Mastering Go
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Mastering Go

Mastering Go - Third Edition

By : Mihalis Tsoukalos
4.6 (16)
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Mastering Go

Mastering Go

4.6 (16)
By: Mihalis Tsoukalos

Overview of this book

Mastering Go is the essential guide to putting Go to work on real production systems. This freshly updated third edition includes topics like creating RESTful servers and clients, understanding Go generics, and developing gRPC servers and clients. Mastering Go was written for programmers who want to explore the capabilities of Go in practice. As you work your way through the chapters, you’ll gain confidence and a deep understanding of advanced Go concepts, including concurrency and the operation of the Go Garbage Collector, using Go with Docker, writing powerful command-line utilities, working with JavaScript Object Notation (JSON) data, and interacting with databases. You’ll also improve your understanding of Go internals to optimize Go code and use data types and data structures in new and unexpected ways. This essential Go programming book will also take you through the nuances and idioms of Go with exercises and resources to fully embed your newly acquired knowledge. With the help of Mastering Go, you’ll become an expert Go programmer by building Go systems and implementing advanced Go techniques in your projects.
Table of Contents (17 chapters)
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14
Other Books You May Enjoy
15
Index

Processes, threads, and goroutines

A process is an OS representation of a running program, while a program is a binary file on disk that contains all the information necessary for creating an OS process. The binary file is written in a specific format (ELF on Linux) and contains all the instructions the CPU is going to run as well as a plethora of other useful sections. That program is loaded into memory and the instructions are executed, creating a running process. So, a process carries with it additional resources such as memory, opened file descriptions, and user data as well as other types of resources that are obtained during runtime.

A thread is a smaller and lighter entity than a process. Processes consist of one or more threads that have their own flow of control and stack. A quick and simplistic way to differentiate a thread from a process is to consider a process as the running binary file and a thread as a subset of a process.

A goroutine is the minimum Go entity...

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Mastering Go
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