How to calculate mean, median, mode and standard deviation using Ruby, R, and Javascript.... Read More
Ruby
Ruby, Rbenv, RVM, Ruby on Rails, Gems
For the past few months, my team at USC Radio Labs has been working to solve a pretty interesting problem; how to convert 60k+ audio... Read More
I work a lot with EC2 and one thing I always have to Google is how to SSH into an AMI, Ubuntu, Fedora, or CentOS... Read More
I'm currently learning about different ways to do music fingerprinting. In this article, I'm simply identifying how to do it using Echoprint. Here's how I... Read More
There are about a dozen or so reasons why your Rails app might fail to load locally or on a host like Heroku. Below are... Read More
Here's how to convert MOV files into animated GIF's for quick preview and e-mail friendly sharing.... Read More
Elastic Beanstalk is a one-stop shop for Ruby on Rails developers to publish their apps. In this tutorial, I'll show you how to first commit... Read More
The Ruby library Rake has an awesome tool called Filelist that is great for manipulating files. For example, suppose you had an array of files... Read More
I was looking for a way to get a collection of every model using Rails console. Here are a few simple ways to do it.... Read More
This tutorial will show you how to install Jenkins on Linux Debian using VirtualBox and Vagrant. After you've installed Jenkins server, make sure you have... Read More
Heroku offer's a pretty nifty scheduler add-on for running jobs on your app at scheduled time intervals, much like cron in a traditional server environment.... Read More
I wanted to present three different ways to get data from a Model and arrange it in a descending order. Below are a few examples... Read More