I've written a package for chaining context-aware handlers in Go, called Stack. It was heavily inspired by Alice. What do you mean by 'context-aware'? If you're using a middleware pattern to process HTTP requests in Go, you may want to share some data or context be...
Delve Delve is a Go debugger. Currently the project is in beta, with most of the functionality implemented, and various improvements and platform support on the way.
Handwritten Parsers & Lexers in Go In these days of web apps and REST APIs it seems that writing parsers is a dying art. You may think parsers are a complex undertaking only reserved for programming language designers but I’d like to dispel this idea.
Imagine you had access logs for a very high traffic website. How would you determine how many different IP addresses accessed your site? Or how many hits from a particular IP?
As engineers, we need to know how our applications and services are performing in realtime and isolate any problems as quickly as possible. While there is a plethora of tools to collect, store and graph metrics from infrastructure, there are fewer tools for performing analysis on...
Sourcegraph is a code search and review application that supports and analyzes code in multiple languages: Go, Python, Java, Ruby, JavaScript, and soon more. Even though we have experts in each language on our team, Sourcegraph’s core has been written in Go since day one, a...
Go at Datadog In the last year, Go has started to supplant parts of our intake pipeline at Datadog that were previously written in Python.
Advanced Reflection with Go at HashiCorp HashiCorp builds a diverse set of popular DevOps tools written in Go: Packer, Serf, Consul, and Terraform. While these tools range from desktop software to highly scalable distributed systems, their internals all have one thing in common:...
This article serves as a practical guide into how to build a Modbus driver. I use the Go (Golang) programming language because I like it . However, the principles outlined should apply to any stack. I happen to be a software engineer who works in SCADA. What does that mean? it...
Go at CoreOS When we launched the CoreOS project we knew from the very beginning that everything we built would be written in Go. This was not to make a fashion statement, but rather Go happened to be the perfect platform for reaching our goals – to build products that make...