ByteSizeGo Lessons

0 min • intermediate

Did you know you can build Mac, Linux & Windows apps using Go? Learn how!

3 min • beginner

Converting int into a string. Not as easy as you'd think!

3 min • beginner

byte and []byte to string

3 min • beginner

Learn about Go Embed and how it helps with portability

11 min • advanced

A deeper dive into error handling in go.

6 min • beginner

Errors are so important in the Go language. Learn the basics here.

3 min • beginner

What are they? Here's what you need to know

3 min • beginner

We know to wrap errors, but how can you make the additional context useful? Here's my opinion.

51 min • intermediate

goMock is a widely used mocking framework that can help make your tests more complete. Let's see how

4 min • intermediate

sync.Once is a useful package for all sorts of things, including lazy initalization. Let's explore.

7 min • beginner

A slice is a core data structure in Go. Let's learn more about them .

1 min • beginner

Short lesson on how to make Go code more readable.

3 min • beginner

Instead of putting all your startup logic in main.go, consider a run function. Let's see why.

5 min • beginner

Learn about maps in Go; how to make 'em and how to use 'em.

3 min • advanced

Learn why field alignment can be important for making applications use less memory and be more performant.

20 min • beginner

Learn how you can use Sevalla to deploy a Go application, fast!

8 min • beginner

Channels are a core concept in Go, lets see how they work!

4 min • advanced

Learning about the unsafe package can make it a little safer to use!

6 min • intermediate

Learn how to use errgroups and why they are my favourite Go package.

10 min • intermediate

In this video we'll learn how to add metrics to a Go API, so you can use them in Prometheus to get alerts!

5 min • beginner

Learn everything you need to know, including a history of, Go modules.

3 min • beginner

Learn how to debug a http request!

9 min • intermediate

Learn how to use slog and some best practises for production logging.

2 min • beginner

Learn how to use the debugging in GoLand to step through code.

30 min • intermediate

Deeper dive into using the debugger in GoLand on Table-Driven Tests

3 min • beginner

Learn about the http util package and how it makes debugging easier!

3 min • beginner

In this lesson we'll get you read to debug in VSCode.

9 min • intermediate

Let's look at how to create interfaces and mock them for tests

6 min • beginner

Iterators were added to Go, but they are kind of confusing. Let's figure them out together.

3 min • beginner

Let's see some tips and tricks to work with Go in newer versions.

6 min • beginner

Random numbers are never really that random. In older versions of Go it was much more challenging to ensure you were doing the right thing. Let's see how newer versions help us here.

3 min • beginner

Recent versions of go contains for loop changes. Lets see how they differ from the previous versions.

7 min • beginner

Let's start at the beginning and write our first Go program. We'll also learn some tips and trick for the GoLand IDE

6 min • beginner

In this video we'll explore the unique package and when/how to use it.

22 min • beginner

In this video we'll write our first API service in Go using the GoLand IDE

4 min • beginner

You can enable/disable the ability to send Telemetry data to the Go team. Let's see why you should care.

14 min • beginner

Learn how to implement client-side streaming in gRPC using Go.

14 min • beginner

Learn how to implement bi-directional streaming in gRPC using Go.

14 min • intermediate

Networks fail, and you should expect that. Learn how to defend against it.

6 min • beginner

Sometimes you can't beat manual testing, and you can still do that with gRPC.Learn how.

14 min • beginner

Learn how to implement server-streaming in gRPC using Go.

8 min • intermediate

It's important to ensure that requests do not run too long. Learn how to manage that here,

11 min • intermediate

Ensure secure communication between private services.

7 min • beginner

Learn what SSL is. If you don't know, this is a must watch!

20 min • beginner

What is kubernetes? and how do you deploy there?

11 min • beginner

Docker and Go are a match made in heaven. Learn why here.

12 min • beginner

Sometimes you can't beat manual testing, and you can still do that with gRPC.Learn how.

11 min • beginner

Let's see how you can correctly run and shutdown a Go server.

8 min • beginner

A brief intro into what gRPC is, and what the benefits are