I was playing around with Grails and JSON and came up with a small method to convert a given collection of objects into JSON (typically, domain class objects, but it would work with anything). It’s nothing new or fancy, but maybe usefull for anybody who is starting to explore Grails [...]

I often find myself trying to know which directories are consuming most of my persistent memory (I would say hard disk, but it isn’t a disk – and probably, even hard – anymore), and always get disappointed with myself for not being able to remember the way to do it [...]

In modern versions of Grails, you can use the Groovy annotation EqualsAndHashCode for generating the equals and hashCode methods of your domain classes using an AST transformation, but if you are in any 1.x.x Grails version (that uses a Groovy version prior to 1.8.0), you won’t be able to use [...]

One of the things that opens the gate to truly code reusation in Bash is, in my opinion, the hability of evaluate and set variables in a dynamic way. By dynamic, I mean that the variable name is constructed dynamically, or passed as a parameter, and ends up being in [...]

And with that huge title , I want to talk about a little technique that I like to use in Groovy by taking advantage of the method parameters with default values feature. By method configuration and method body I am refering to two typical parts of a business logic method [...]

A Grails puppet module made by OSOCO, that allows you to install diferent Grails versions in a puppet node. Has been tested with Debian and Gentoo, so it should work with Ubuntu as well, and has it source code available in Github (so it’s free software).

Android GCM Sender, a webapp that allows you to send configurable push notifications to your Android devices. Developed in Grails using the Grails Android GCM plugin and Ajaxify, and hosted in Heroku.

The execute around pattern seems to be a common practice in fuctional related languages (although probably Rafael Luque would claim that, as almost everything else , made it first appearance in Smalltalk, and Marcin Gryszko would say that is just the old plain template method ), but it’s probably kind [...]