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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

Optimizing code

Code optimization is both an art and a science. This means that there is no deterministic way to help you optimize your code and that you should use your brain and try many things if you want to make your code faster. However, the general principle regarding code optimization is first make it correct, then make it fast. Always remember what Donald Knuth said about optimization:

"The real problem is that programmers have spent far too much time worrying about efficiency in the wrong places and at the wrong times; premature optimization is the root of all evil (or at least most of it) in programming."

Also, remember what the late Joe Armstrong, one of the developers of Erlang, said about optimization:

"Make it work, then make it beautiful, then if you really, really have to, make it fast. 90 percent of the time, if you make it beautiful, it will already be fast. So really, just make it beautiful!"

If you are really into code optimization...

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Mastering Go
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