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E-raamat: Go Recipes: A Problem-Solution Approach

4.00/5 (2 hinnangut Goodreads-ist)

Shiju Varghese

Formaat: PDF+DRM
Ilmumisaeg: 17-Nov-2016
Kirjastus: APress
Keel: eng
ISBN-13: 9781484211885

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Programming & scripting languages: general

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Formaat: PDF+DRM
Ilmumisaeg: 17-Nov-2016
Kirjastus: APress
Keel: eng
ISBN-13: 9781484211885

Teised raamatud teemal:

Programming & scripting languages: general

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Solve your Go problems using a problem-solution approach. Each recipe is a self-contained answer to a practical programming problem in Go. Go Recipes contains recipes that deal with the fundamentals of Go, allowing you to build simple, reliable, and efficient software. Other topics include working with data using modern NoSQL databases such as MongoDB and RethinkDB. The book provides in-depth guidance for building highly scalable backend APIs in Go for your mobile client applications and web client applications.

All this means that you’ll be able to write programs that get the most out of multicore and networked machines, using Go’s novel type system that enables flexible and modular program construction. You'll see how to test your Go applications so they are ready for deployment, as well as learning how to write HTTP servers to offer you maximum flexibility when dealing with remote clients.

What You'll Learn

Persist data into NoSQL databases
Build scalable backend APIs
Test your Go applications
Create HTTP web servers in Go

Who This Book Is For

Experienced programmers who have some or no prior experience with Go.

About the Author

About the Technical Reviewer

xvii

Introduction

xix

Chapter 1 Beginning Go

(26)

Introduction to Go

(1)

The Go Ecosystem

(1)

1-1 Installing Go Tools

(3)

Problem

(1)

Solution

(1)

How It Works

(3)

1-2 Setting Up Go Development Environment

(1)

Problem

(1)

Solution

(1)

How It Works

(1)

1-3 Declaring Variables

(2)

Problem

(1)

Solution

(1)

How It Works

(2)

1-4 Building an Executable Program

(2)

Problem

(1)

Solution

(1)

How It Works

(2)

1-5 Writing a Package as a Shared Library

(4)

Problem

(1)

Solution

(1)

How It Works

(4)

1-6 Reusing a Shared Library Package

(1)

Problem

(1)

Solution

(1)

How It Works

(1)

1-7 Managing Source Code Using Go Tool

(4)

Problem

(1)

Solution

(1)

How It Works

(4)

1-8 Writing and Reusing Packages

(8)

Problem

(1)

Solution

(1)

How It Works

(7)

Chapter 2 Go Fundamentals

(26)

2-1 Writing Functions in Go

(6)

Problem

(1)

Solution

(1)

How It Works

(6)

2-2 Working with Arrays

(4)

Problem

(1)

Solution

(1)

How It Works

(4)

2-3 Working with Dynamic Arrays Using Slices

(4)

Problem

(1)

Solution

(1)

How It Works

(4)

2-4 Persisting Key/Value Pairs Using Map

(4)

Problem

(1)

Solution

(1)

How It Works

(4)

2-5 Writing Clean-Up Code in Functions

(1)

Problem

(1)

Solution

(1)

How It Works

(1)

2-6 Stopping the Execution Flow of Control Using Panic

(1)

Problem

(1)

Solution

(1)

How It Works

(1)

2-7 Recovering a Panicking Function Using Recover

(1)

Problem

(1)

Solution

(1)

How It Works

(1)

2-8 Performing Error Handling

(5)

Problem

(1)

Solution

(1)

How It Works

(4)

Chapter 3 Structs and Interfaces

(22)

3-1 Creating User-Defined Types

(3)

Problem

(1)

Solution

(1)

How It Works

(3)

3-2 Adding Methods to Struct Types

(6)

Problem

(1)

Solution

(1)

How It Works

(6)

3-3 Composing Types Using Type Embedding

(5)

Problem

(1)

Solution

(1)

How It Works

(5)

3-4 Working with Interfaces

(8)

Problem

(1)

Solution

(1)

How It Works

(8)

Chapter 4 Concurrency

(28)

4-1 Writing Concurrent Programs

(4)

Problem

(1)

Solution

(1)

How It Works

(4)

4-2 Managing the Number of CPUs in Concurrency

(1)

Problem

(1)

Solution

(1)

How It Works

(1)

4-3 Creating Channels

(4)

Problem

(1)

Solution

(1)

How It Works

(4)

4-4 Using Channels for Synchronous Communication

(5)

Problem

(1)

Solution

(1)

How It Works

(5)

4-5 Using the Output of One Goroutine as the Input of Another

(5)

Problem

(1)

Solution

(1)

How It Works

(4)

4-6 Using Channels for Asynchronous Communication

(5)

Problem

(1)

Solution

(1)

How It Works

(4)

4-7 Communicating on Multiple Channels

(4)

Problem

(1)

Solution

(1)

How It Works

(4)

Chapter 5 Using Standard Library Packages

103

(26)

5-1 Encoding and Decoding JSON

103

(5)

Problem

103

(1)

Solution

103

(1)

How It Works

103

(5)

5-2 Using Command-Line Flags

108

(3)

Problem

108

(1)

Solution

108

(1)

How It Works

108

(3)

5-3 Logging Go Programs

111

(7)

Problem

111

(1)

Solution

111

(1)

How It Works

111

(7)

5-4 Archiving Files in Tar and Zip Formats

118

(11)

Problem

118

(1)

Solution

118

(1)

How It Works

118

(11)

Chapter 6 Data Persistence

129

(40)

6-1 Persisting Data with MongoDB

129

(12)

Problem

129

(1)

Solution

129

(1)

How It Works

129

(2)

Working with Collections

131

(1)

Performing CRUD Operations

131

(10)

6-2 Persisting Data with RethinkDB

141

(12)

Problem

141

(1)

Solution

141

(1)

How It Works

142

(11)

6-3 Working on Time Series Data with InfluxDB

153

(9)

Problem

153

(1)

Solution

153

(1)

How It Works

154

(8)

6-4 Working with SQL Databases

162

(7)

Problem

162

(1)

Solution

162

(1)

How It Works

162

(7)

Chapter 7 Building HTTP Servers

169

(36)

7-1 Creating Custom HTTP Handlers

170

(4)

Problem

170

(1)

Solution

170

(1)

How It Works

170

(4)

7-2 Using an Adapter to Use Normal Functions as Handlers

174

(2)

Problem

174

(1)

Solution

175

(1)

How It Works

175

(1)

7-3 Using Normal Functions as HTTP Handlers Using ServeMux.HandleFunc

176

(2)

Problem

176

(1)

Solution

176

(1)

How It Works

176

(2)

7-4 Using Default ServeMux Value

178

(1)

Problem

178

(1)

Solution

178

(1)

How It Works

178

(1)

7-5 Customizing http.Server

179

(1)

Problem

179

(1)

Solution

179

(1)

How It Works

179

(1)

7-6 Writing HTTP Middleware

180

(3)

Problem

180

(1)

Solution

180

(1)

How It Works

181

(2)

7-7 Writing RESTful API with Go and MongoDB

183

(22)

Problem

183

(1)

Solution

183

(1)

How It Works

183

(22)

Chapter 8 Testing Go Applications

205

(30)

8-1 Writing Unit Tests

205

(3)

Problem

205

(1)

Solution

205

(1)

How It Works

205

(3)

8-2 Skipping Long-Running Tests

208

(2)

Problem

208

(1)

Solution

208

(1)

How It Works

209

(1)

8-3 Writing Benchmark Tests

210

(2)

Problem

210

(1)

Solution

211

(1)

How It Works

211

(1)

8-4 Running Unit Tests in Parallel

212

(2)

Problem

212

(1)

Solution

212

(1)

How It Works

212

(2)

8-5 Writing Tests for Verifying Example Code

214

(2)

Problem

214

(1)

Solution

214

(1)

How It Works

214

(2)

8-6 Testing HTTP Applications

216

(5)

Problem

216

(1)

Solution

216

(1)

How It Works

216

(5)

8-7 Writing BDD-Style Tests

221

(14)

Problem

221

(1)

Solution

221

(1)

How It Works

221

(14)

Index

235

Shiju Varghese is a solutions architect who specializes in cloud computing solutions and distributed web apps. His current technology focus is on Go, Google Cloud, Azure, and Docker. He has been working with Web technologies since early 2000, and has developed web apps and distributed systems in Go, C#, and Node.js. His areas of interest include cloud solutions architecture, application containers, distributed systems, RESTful microservice architecture, and mobile backend as a service. Shiju has been awarded Microsoft MVP status five times. He is a regular speaker at various technology conferences.

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