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Recently, a hosting provider’s ‘upgrade’ dramatically changed the stolen CPU time on one of our systems. I investigated and found that our virtual machine’s CPU allocation had been deprioritized. The rest of the post describes “stolen CPU” and the behavior that we experienced on our virtual machine. Anyone who runs operating systems (especially UNIX or…
Last year at around this time, Github announced ReactiveCocoa. I was excited to see a Functional Reactive Programming framework made for Objective-C and found an immediate use for it in an iOS project. Since its release, there’s been a tremendous amount of activity, documentation, and blog posts around it. The point being, there isn’t an…
Occasionally I reflect on the ways I’ve changed as a developer since coming to Atomic. Recently I was struck by how much more comfortable I’ve gotten jumping into new technologies. I’ve come to realization that the only right way to approach new challenges is with gusto (and googling).
A fellow Atom recently introduced me to the Minecraft mod ComputerCraft. ComputerCraft extends the game to include virtual computers that are programmable in Lua and capable of interacting with the game world. Needless to say, I found myself rather preoccupied with Lua that weekend.
I am currently working on a project using JRuby for a server-side component. One of the team’s deployment goals has been to avoid relying on the production environment having JRuby installed in it (either globally or with RVM). Instead we have been using the jruby-complete.jar to bundle the entire JRuby runtime with our application. This…
As I wrote in my previous post, Script Away your Annoyances – Patching a Gem: Automation is good. Performing tasks manually is bad. Performing tasks manually is especially bad when the tasks are annoying. Let’s use a Ruby script to alleviate the pain of an annoying task. Today’s annoyance: testing and working through the kinks…
Vagrant 1.1 was recently released, adding support for virtualization providers other than VirtualBox. Among the providers now available is one for AWS. In switching my Vagrant workflow from VirtualBox to AWS, I ran into a problem; and in solving it, I discovered a better way to integrate Vagrant with Capistrano. 1. Vagrant Setup Vagrant 1.1…
Carl is the president and co-founder of Atomic Object