I love the power of containers, but I’ve never loved Dockerfile. In this post we’ll build a working OCI image of a Ruby on Rails application that can run locally without the need to write or maintain a Dockerfile. You will learn about the Cloud Native Buildpack (CNB) ecosystem, and how to utilize the pack CLI to build images. Let’s get to it!
What exactly does use and mod do in Rust? And how exactly do I “require” that other file I just made? This article is what I wish I could have given a younger me.
The other day I got another question about the zombocom org on GitHub that prompted me to write this post. This org, github.com/zombocom, holds most all of my popular libraries). Why put them in a custom GitHub org, and why name it zombocom? Let’s find out.
I came to love pairing after I hurt my hands and couldn’t type. I had to finish up the last 2 months of a graduate CS course without the ability to use a keyboard. I had never paired before but enlisted several other developers to type for me. After I got the hang of the workflow, I was surprised that even when coding in a language my pair had never written in (C or C++), they could spot bugs and problems as we went. Toward the end, I finished the assignments faster when I wasn’t touching the keyboard, than I was by myself. Talking aloud forced me to refine my thoughts before typing anything. It might be intimidating to try pairing for the first time, but as Ben puts “it’s just a way of working together.”
Today is the day. How to Open Source is now available for purchase at howtoopensource.dev.
Today I’m going to share my perspective on how Ruby on Rails is developed and governed and how I feel the Basecamp “incident” impacts the future of Rails. I’m going to start out telling you what I know for sure, dip into some unknowns, and dive into some hypotheticals for fun.
TravisCI.org is dead. Long live the new CI! TravisCI.org was THE way to run CI for an open source Ruby library. It was so easy that it was seemingly effortless. Even better, it was free. Since the slow-motion collapse of the product, developers have been pushed to other CI providers. I was recently tasked with transferring CI away from Travis for my library derailed_benchmarks and chose CircleCI. This post is a little about why I chose CircleCI, a little about how the transition worked, and a little about nostalgia.
Have you ever hit an error that you just plain hate? Back in 2006, I was learning to program Ruby and following an example from a book. I typed in what I saw, hit enter, and ran into a supremely frustrating error message:
Contributing to open-source can be intimidating, especially when you’re getting started. In this post and video series, join me as I triage 11 issues on a repo that I didn’t create and don’t have much experience with.
Your app is slow. It does not spark joy. This post will show you how to use memory allocation profiling tools to discover performance hotspots, even when they’re coming from inside a library. We will use this technique with a real-world application to identify a piece of optimizable code in Active Record that ultimately leads to a patch with a substantial impact on page speed.
