Archives For How To

This post originally appeared on Jason’s blog, Codeabout

Coming from Python, for the most part, I felt right at home in the Clojure REPL. However, one of my trustiest old tricks in the Python interpreter didn’t work nearly as well in Clojure.
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This is the first of two posts. To read the second, on metadata for BitTorrent Bundles, click here.

If you’ve followed the news lately, you’ll have noticed that BitTorrent is on its way up in the music world. When we’re not busy launching an album for Radiohead’s Thom Yorke or boosting a Madonna movie, we’re helping smaller artists knock down the castle walls that have excluded them from success in the music business.
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Every Test Automator’s dream is to slack off all day while their automation catches all the bugs.  Something that stands in the way of this paradise are visual bugs.  Though they are often minor, catching them involves an enormous amount of manual testing effort because:

  • Styling is usually shared across a project, so a change to make a button on screen A look better may make it look worse on screen B. This necessitates testing every screen individually.
  • UI-driven tests can not always catch the major ones, since tools may be able to find an element that’s been moved into a user-inaccessible area.
  • Testing is compounded by things like browser / OS compatibility, so you need to visually QA each environment individually.
  • You start having flashbacks to those awful “Find 5 Things Different About This Picture” newspaper puzzles.

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Installing Mavericks inside a virtual machine is fairly easy, but there are a few tricks to be aware of if you’re on a newer Mac. Credit to Natsuki’s post for sharing how to get the Mavericks installer to run on Apple computers with Intel Haswell CPU’s. Natsuki also notes a workaround for Apple computers with ECC RAM that requires the removal of a kernel module from the install image using iesd.

Download and install the latest VirtualBox for OS X hosts from here. We’ll be using VirtualBox so that anybody can follow these steps.

Download the Mavericks Installer App through the App Store.The Mavericks installer is provided for free by Apple for users to upgrade their computers to the latest version of OS X. We’ll be making use of the install image provided by this application to install Mavericks within a virtual machine.

While we’re waiting for the Mavericks Installer to download, lets get started on configuring our new Virtual Machine.

Create a New Virtual Machine

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