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Grails – Hibernate-safe domain class property editor

julio 22, 2014 at 08:00

Grails automatic databinding is super powerful, but, at least in versions 2.2.x and below, is rather obscure and not very-well documented. Sometimes is not clear how a form input should be named depending on what you want to bind. An example, for a given domain class User and a property […]

Grails – No such property for class: org.codehaus.groovy.grails.web.taglib.NamespacedTagDispatcher

julio 14, 2014 at 18:15

An explanation on why, when using Grails, you might get the error “groovy.lang.MissingPropertyException: No such property: id for class: org.codehaus.groovy.grails.web.taglib.NamespacedTagDispatcher” when rendering a view or a template

Fish shell – using modules to import functions

mayo 19, 2014 at 19:59

I recently decided to give fish shell a try. I’ve always been reluctant to change my shell: bash has certainly its flaws, but it is widely spread. But lately I’m trying to go easier on embracing new things, since my natural approach is to be (extremely) skeptical about them (although […]

Grails – Is my bean a singleton?

mayo 6, 2014 at 12:50

How to discover which beans are available in Grails at runtime, and how to see the configuration of any of them.

Grails – query or criteria against a string/value pairs map property

abril 21, 2014 at 10:35

Grails gives the possibility of creating simple key/value map properties as a Map of String to String, but the documentation doesn’t show how to query by this type of properties.

This post illustrates how to query the domain class using the map property as part of the query (i.e adding a condition for the key X to have the value Y) using HQL.

Grails – my domain class instance says its class is abstract!

noviembre 18, 2013 at 09:56

Solution to the Grails problem when a domain class claims to have an abstract class as an effective class (i.e using getClass() and domainClass.class returns an abstract class) by removing the Hibernate proxy of that certain instance

Temacos traducidos: John Mayer – Stop This Train

agosto 8, 2013 at 15:06

Aunque en Europa no es especialmente conocido (al menos que yo sepa, igual es sólo en España o que yo vivo en una burbuja, que también puede ser ), John Mayer parece que es toda una celebridad en USA. Yo, para variar, lo conocí por recomendación de mi hermano (que, […]

Grails – Quickly examine a domain class associations

julio 30, 2013 at 09:00

When your Grails model gets a bit complex, you may find yourself with conflicts in your domain classes associations (I like some parts of GORM, such as dynamic finders, but I think the relationships stuff could be improved). In my case, I usually end up finding problems when I mix […]