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In 2009 I started to write about features in Grails I didn't want to forget at my blog Messages from mrhaki. The posts are relatively short and filled with code samples.

The Grails Goodness Notebook contains the blog posts about Grails. The posts are bundled and categorized into sections. Each section starts with the simpler features and ends with more advanced Grails features. The book is intended to browse through the subjects. You should be able to just open the book at a random page and learn more about Grails. Maybe pick it up once in a while and learn a bit more about known and lesser known features of Grails.

The book is updated on February 1st 2016 with the following new posts:

Run Grails Application As Docker Container
Enable Hot Reloading For Non-Development Environments
Change Locale With Request Parameter
Go To Related Classes In IntelliJ IDEA
Quickly Create GSP From Controller In IntelliJ IDEA
Using Spring Cloud Config Server
Changing Gradle Version
Getting More Information About A Profile
Using Features When Creating An Application

The book categorizes the posts in the following sections:

Configuration
The Command LIne
Grails Object Relational Mapping (GORM)
Validation
Controllers
Groovy Server Pages (GSP)
REST
The Service Layer
Grails and Spring
Internationalization (i18n)
IDE
Miscellaneous

","authors",[26],{"_14":27,"_28":29,"_5":30},"Z2lkOi8vbGVhbnB1Yi9TdG9yZTo6UHJvZHVjdEF1dGhvci82OTY4","name","Hubert A. Klein Ikkink (mrhaki)",{"_31":32},"avatar",{"_33":34,"_35":36,"_37":38},"url","https://d308did4coypzi.cloudfront.net/avatars/23486/medium/jdriven-photo.png?1747902767","styleName","medium","exists",true,"currentUser","routes/_store+/_layout","routes/_store+/_readers+/_layout","actionData","errors"]

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