Building Your First Application with Go – Packt Publishing

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Building Your First Application with Go

Building Your First Application with Go

Get practical experience and learn basic skills while developing an application with Go

About This Video

Learn the features and various aspects of Go programming

Create a production-ready web application by the end of the course

Master time-proven design patterns for creating highly reusable application components

In Detail

The Go language is a new programming language for creating concurrent applications, high-load and high-responsive software services, and complex systems. The language supports totally re-thought concepts and paradigms of software development, unlike other programming languages.

“”Building Your First Application with Go”” is your way into the world of software development. Go has a robust library and advanced techniques. This makes it a great language that can even be understood by people with no experience in programming.

Take a journey through the concepts presented by the Go language! Go is a language with no legacy, well suited for software developers, be it for beginners or experienced users.

The Go language presents fresh patterns of software development. You will learn about the core distinctive features of Go – goroutines and channels, which are used to design concurrent applications. You will gain familiarity with approaches of structuring application code, by breaking it into reusable components like functions, packages, and objects. Object-oriented programming; one of the central paradigms of modern software development, is also covered in this course. It offers the most popular and well-tested patterns for building brilliantly structured applications; the course finishes with creating a production-ready image manipulation program, which is built as a web application.

The course will help you to start building applications with Go right off the bat. Packed with examples, especially with a finished production-ready application from the final section, the course gives you the right vision of what software source code should look like.

Course Curriculum

First Application

• Bootstrapping Your Workspace (4:34)
• “Hello, world!” (4:40)
• Mastering the “go” Tool (4:54)
• First Useful Application (5:00)
• Commenting the Code (4:11)

Basic and Complex Data Types

• Variables and Constants (6:28)
• Playing with Numbers and Strings (5:37)
• Pointers and Values (3:53)
• Slices and Arrays (6:35)
• Two-dimensional Slices (2:49)
• Maps (4:30)

Control Structures

• “if-else” – Understand Your Code to Make Decisions (5:08)
• “switch” – Decisions Are Made Even Simpler (4:25)
• “for” – Mastering Cycles (6:19)
• Processing Errors (3:21)
• The “comma-ok” Notation (2:47)

Structuring Code with Functions and Packages

• Functions (6:51)
• Anonymous Functions (4:53)
• Packages (5:11)
• Package Initialization (3:16)
• Deferred Execution (4:45)

Object-oriented Programming in Go

• Structures (6:26)
• Behavior (4:08)
• Interfaces (4:35)
• Universal Interface (2:34)

Goroutines and Channels

• Goroutines Lifecycle and Parallel Execution (6:52)
• Channels (4:26)
• Buffered Channels (4:42)
• The “FanIn” Pattern (3:06)
• The “FanOut” Pattern (2:37)

Building a Web Image Manipulation Program (WIMP), Part I – Web Application

• Running a Web Server in Go (3:35)
• URL Multiplexer and Query String Parameters (3:45)
• Adding Templates (3:34)
• Caching Templates (2:57)
• Errors, Panic, and Recover (3:40)

Building a Web Image Manipulation Program (WIMP), Part II – Image Processing

• Hooking Up an Image – Encoding and Decoding (3:04)
• Color Inversion (3:04)
• Image Rotation (2:41)
• Improving the Design (4:48)
• Conclusion (2:14)