We explore the
error interface (https://godoc.org/builtin#error) more closely and explain how and why to create custom error types that you can pass wherever an
error is expected.
We also talk about some best practices in exposing and describing your custom types inside of your libraries and packages.
This screencast shows you how to use Go’s Subtests feature. Subtests are new in Go 1.7 and can help you write and organize your code much more easily. They can also help you design and build much more powerful unit and integration tests.
We finish the concurrency series by showing how to solve the “Internet Cafe” problem on Trivial Concurrency Exercises for the Confused Newbie Gopher. The solution we’ll show has a bug, however, and the extended screencast fixes it.
We show how to do use the the
html/template package (and its close sibling,
text/template). We pay special attention to templating tasks most common to web development like layouts, blocks and partials.
We describe the problem #2 on Trivial Concurrency Exercises for the Confused Newbie Gopher and then present and detail a solution to the problem.
We show how to structure and build a complete JSON API in a Go server. This screencast explains basic structuring patterns and concepts and includes code for a complete, working server that simulates a management system for a platform-as-a-service (PaaS).
We describe the problem #1 on Trivial Concurrency Exercises for the Confused Newbie Gopher and then present and detail a solution to the problem.
We explain what the optional singleton pattern is, how it can make libraries easier to use, and walk through the code for a simple library that uses this pattern.
We explain why you should profile your programs, how to do it, and (briefly) how you can improve your code based on your profile results.
We explain what
go get does, and why is isn’t sufficient for dependency management. We also explain what a reproducible build is in Go and why it’s so important, and explain why vendoring achieves reproducible builds. We then introduce Glide and show how we’d vendor the code from episode 6 using the tool.
We explain how to write full featured web applications in Go, which cover a wide variety of topics. We focus on database communication, rendering templates, and client-server communication via APIs.
The example and sample code shows a complete browser-based chat application.
This screencast expands on concepts in episode 1, but you don’t need to watch that screencast to understand this one.
Welcome to the first Go In 5 Minutes screencast!
We show how to write code that is extensible and testable and then how to write fast, correct unit tests against it.