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Author Archives: Matt Nohr
Grails Tip: Deploy to the Cloud with AppFog
Post by Matt Nohr
Aug
28
2012
AppFog (appfog.com, @appfog) is a relatively new cloud platform that lets you deploy your applications to one of a number of different cloud providers like HP Openstack, Rackspace, and Amazon Web Services. It supports a number of languages and databases, … Continue reading
Reserved Words as Grails Domain Objects
Post by Matt Nohr
Aug
14
2012
I recently ran into a SQL exception creating a simple domain class called “Group” that looked like this: class Group { static constratints = {} } When I ran my application I got this not-exactly-helpful error: | Compiling 1 source … Continue reading
GR8Conf Overview
Post by Matt Nohr
Aug
3
2012
This week was the United States GR8Conf, and we were lucky enough to have it right here in Minneapolis. GR8Conf is a conference focusing on Groovy and Grails and is held in the US, Europe, and Australia. Refactr was one … Continue reading
Understanding Grails Aliases
Post by Matt Nohr
Jun
22
2012
In Grails 2.1 (RC2 available at time of writing), Grails introduced a new “alias” command. Like the rest of Grails, there is good high-level documentation for this command. However, here are a few more details. Quick Overview You can use … Continue reading
Partial Mocks with Spock on Groovy/Grails
Post by Matt Nohr
Jun
15
2012
The Spock testing framework currently does not support partial mocks. It is easy to mock out a class, but not individual methods in a class. In almost all cases, this makes sense to me. If you really only want to … Continue reading
Zombie Run
Post by Matt Nohr
Jun
5
2012
On Saturday Ben, Luke, Matt, Matt, and Spencer completed the Zombie run in Milleville, MN. It was a 5k obstacle course that was full of people dressed as zombies. You start the race with three flags (like in flag football) … Continue reading
Grails JMX Configuration Using Annotations
Post by Matt Nohr
May
21
2012
I have a grails application that uses the JMX plugin to expose MBeans. The good part is that it automatically exposes some built in MBeans like hibernate and log4j. The bad part is that it exposes too much information for … Continue reading
Grails In-Memory Cache using Google’s Guava Library
Post by Matt Nohr
May
9
2012
In a Grails application, there are a couple of cases where you may want to consider storing data in a in-memory cache. For example: If it is expensive to read/create the data (reading across the network) If the data will … Continue reading
Create a Heat Map Using Google Docs
Post by Matt Nohr
Apr
25
2012
Using Google Docs new Fusion Tables makes it really easy to create heat maps with just a list of longitudes and latitudes. In this example, I will use the GPS data from my watch to create a heat map that … Continue reading
Switching to Eclipse/STS For Grails Development
Post by Matt Nohr
Apr
11
2012
My preferred tool for doing Grails development is the SpringSource Tool Suite (STS), which is built on the free Eclipse IDE that you download with a number of plugins already installed. It is totally free and has a number of … Continue reading
