xlson

def exampleXmlString = '''<?xml version="1.0" encoding="UTF-8"?>
<persons>
	<person>
		<name>John</name>
		<lastname>Doe</lastname>
		<age>38</age>
	</person>
</persons>'''

def exampleXml = new XmlParser().parseText(exampleXmlString)

xlson

import javax.swing.*

def showTimeredMessage(String message, int afterSeconds = 600) {
    sleep (afterSeconds*1000)
    JOptionPane.showMessageDialog(null, message)
}


showTimeredMessage("Pomodoro over, get back to work! :)", 300)

xlson

#!/usr/bin/env groovy

assert args.size() == 1 : "Specify the path of the folder that needs placeholders."

def projectFolder = new File(args[0])
projectFolder.eachDirRecurse { dir ->
    if(dir.list().size() == 0) {
        def placeholder = new File(dir, '.PLACEHOLDER')
        println "Creating: $placeholder.absolutePath"
        placeholder.createNewFile()

xlson

#!/usr/bin/env groovy

/* setgrails: Script used to easily change grails version on the commandline in OS X
 * 
 * My setup:
 * /User/leo/Apps/grails		Folder where all versions of grails are installed
 * /User/leo/Apps/grails/grails		A symlink pointing to the version of grails I'm currently using
 * /User/leo/Apps/grails-1.3.1		One of the installed versions
 *
 * in ~/.profile

xlson

class Predicate {
    boolean value
    boolean asBoolean() { value }
}

// Works: 
assert new Predicate(value: true)
assert !new Predicate(value: false)
assert (new Predicate(value: true) as Boolean == true)
assert (new Predicate(value: false) as Boolean == false)

xlson

// Example of using groupBy and collect together

def values =
[[lastname: "Anderson", age: 30],
[lastname: 'Bergstrom', age: 24],
[lastname: 'Anderson', age: 45],
[lastname: 'Bergstrom', age: 40],
[lastname: 'Brown', age: 25]]

// Find average age by lastname:

xlson

Grails Runtime Exception

Error Details

Error 500: Executing action [show] of controller [org.weceem.controllers.WcmContentController] in plugin [weceem] caused exception: groovy.lang.MissingMethodException: No signature of method: org.weceem.services.WcmContentRepositoryService.resolveSpaceAndURI() is applicable for argument types: ([Ljava.lang.String;) values: [[/views/search-results, /]] Possible solutions: resolveSpaceAndURI(java.lang.String)
Servlet: grails
URI: /try-weceem/grails/wcmContent/show.dispatch
Exception Message: No signature of method: org.weceem.services.WcmContentRepositoryService.resolveSpaceAndURI() is applicable for argument types: ([Ljava.lang.String;) values: [[/views/search-results, /]] Possible solutions: resolveSpaceAndURI(java.lang.String) 
Caused by: No signature of method: org.weceem.services.WcmContentRepositoryService.resolveSpaceAndURI() is applicable for argument types: ([Ljava.lang.String;) values: [[/views/search-results, /]] Possible solutions: resolveSpaceAndURI(java.lan

xlson

// Impl of a lazyCollect method that will not execute
// until you actually ask for the value
class LazyCollectList extends AbstractList {
    
    private Closure collectClosure
    
    private List backingList
    
    private Map cached = [:]
    

xlson

#!/usr/bin/env groovy

// Validating arguments
assert args.size() == 1 : "mp4it takes 1 argument: the path to the file to be conerted into mp4"
assert new File(args[0]).exists() : "The file you specified could not be found."

def videoFilePath = args[0]
def outputFilePath = videoFilePath.replaceAll(/\.avi$/, '.mp4')

assert !new File(outputFilePath).exists()

xlson

javascript:window.open('about:blank')