AWS OpsWorks layers

Back in 2013, AWS was announcing a new service called OpsWorks. Let’s have a look on its actual state and how you can deploy your Ruby on Rails applications there.

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Quick question: how many GC tuning environment variables are available for you since Ruby 2.1.1?

My #railsrumble entry, ruined by a third-party bug.

update: made 53 points! Thank you for your support! The competition kicked off at 12:00AM UTC / 00:00 UTC on October 18th, 2014 and ended at 11:59PM / 23:59 UTC on October 19th, 2014. Had a great fun being on board with hundreds of participants around the world. Bellow are the details about my entry. The idea […]

Graphs are data structures highly useful to understand and represent many real world problems in all kinds of areas such as business, government, and science. To take advantage of graph databases we don’t need to take a Masters on Graph Theory. Instead of that, we must understand what a graph is, and be able to build one drawing it on a paper.

In this post we’ll learn how to implement a “quick add” and “quick edit” feature on active admin that you can use to give users more agility on administrative operations.

Keeping your project dependencies updated can be a boring and cumbersome task. With Bundler and Bower this task become a lot more easier. Bundler $ bundle outdated – Show all of the outdated gems in the current bundle. $ bundle update – Update dependencies to their latest versions. Bower $ bower list – List and […]

So, you never heard of Play Framework? Play is a high-productivity Java and Scala web application framework that integrates the components and APIs you need for modern web application development. Yes, it is “like Rails” for Java and Scala developers. It tries to add Ruby on Rails-like functionality to Java and Scala, such as rapid prototyping, scaffolding, […]

Step by step guide to install Ruby on Ubuntu. 1º Updating apt-get Open the terminal and run: sudo apt-get update 2º Installing some important packages sudo apt-get install build-essential openssl libreadline6 libreadline6-dev curl git-core gitk zlib1 zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison subversion 3º Instaling RVM (Ruby Version […]

Understanding a products actual job makes improving the product easier.

Hello! Check my sample application using PlayFramework and Spring Data Neo4j. This is just a skeleton app, that also features: Neo4j Graph Database Scala and Java integration CDI (javax.inject) Spring Spring Data Spring Data Neo4j Sources: See it live here: