A Dive Into the `fmt` Package
We usually use the fmt package without giving it much thought. A fmt.Printf here, a fmt.Sprintf there and on we go. However, if you’ll take a closer look, you’ll be able to get much more out of it.
Go and WebAssembly: running Go programs in your browser
For a long time, Javascript was the lingua franca amongst web developers. If you wanted to write a stable, mature web app, writing in javascript was pretty much the only way to go.
Docker and Go modules
As you may know Go 1.11 includes opt-in feature for versioned modules.
On the tension between generic code and special cases
The io.Reader and io.Writer interfaces appear in practically all Go programs, and represent the fundamental building blocks for dealing with streams of data. An important feature of Go is that the abstractions around objects such as sockets, files, or in-memory buffers are all ex...
Using Goss to validate Packer builds
Ever wanted to validate your Packer image with Goss? Well, you can! I was looking into ways to make sure that the image I just provisioned with Packer and Chef is working as expected. After some research, I found Goss, which is a tool to validate servers. So, I just needed to gl...
How to Send and Receive SMS: Implementing a GSM Protocol in Go
When developers add an SMS component in their app either for verification or notification purposes, they usually do it via RESTful API like the ones provided by Twilio.
Golang and local datastores - fast and flexible data storage
Local datastores may not be a fit if you are building a web application that may have more than a single instance and a somewhat rich data schema.
Best Practices for Using Mage To Build Your Project
On my team at Mattel, we have a magefile for every Go project (and we have several Go projects). Our use of mage has grown with the team and the projects, and it has been a big help keeping our dev practices uniform and shareable.
Postmortem debugging Go services with Delve
One day, several instances of one of our production services stopped accepting incoming traffic. HTTP requests successfully went through the load balancer reaching the instance and just hanged.
Splitting Data with Content-Defined Chunking
In this post you’ll learn what Content-Defined Chunking (CDC) is and how you can use it to split large data into smaller blocks in a deterministic way.