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Conventions

In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.

Code words in text are shown as follows: "Create the saveNewVersion method to link the usage of the createNewVersion and applyNewVersion methods."

A block of code will be set as follows:

def saveNewVersion( params, multipartFile ) {
def version = createVersionFile( params, multipartFile )
def file = applyNewVersion( params.fileId, version )
file.save()
return file;
}

When we wish to draw your attention to a particular part of a code block, the relevant lines or items will be shown in bold:

package app
class FileController {
def fileService
def save = {
def multipartFile = request.getFile(‘fileData.data')

Any command-line input or output is written as follows:

# grails create-domain-class app.User 

New terms and important words are shown in bold. Words that you see on the screen, in menus or dialog boxes for example, appear in our text like this: "clicking the Next button moves you to the next screen".

Note

Warnings or important notes appear in a box like this.

Tip

Tips and tricks appear like this.

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