Monthly Archives: August 2012

The NVL() function for Java and Ruby

Anyone who used PLSQL is already familiar with the NVL(foo, bar) function..

This feature lets us set a default value if the first is null.

But if you want something like that in Ruby and Java? :>
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Invitation Modal

In this tutorial I will show how to create a invitation modal, where the user puts some emails, than the application sends an invitation email for each one.

Running sample

Final version repository
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Bootstrap Project for the Tutorials

Bootstrap project contains all configuration needed to start this blog tutorials.

You just need to clone this project, run bundle install and start following the tutorials:

git clone
bundle install

Because there are already excellent tutorials available, I will not show how to configure this bootstrap application, but I will leave the tutorials that inspired me to use this tools.
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