kknd22

/**
 * http://stackoverflow.com/questions/13459718/could-not-serialize-object-cause-of-hibernateproxy
 * 
 * in bootstrap:
 * import hbadapter.HibernateProxyTypeAdapter
 *
 * class BootStrap {
 *
 *  def init = { servletContext ->
 *		

kknd22

#!/bin/sh

# daily backup for gradle in  gradle project
cd  C:/x/y/z
find . -name "build.gradle" -print0 2>/dev/null | xargs -0 --replace cp -P {} C:/a/b/c/d/gradle-dayily-back

kknd22

<project>
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.mycompany.myproject</groupId>
  <artifactId>my-app</artifactId>
  <version>1.0-SNAPSHOT</version>
  <name>My App</name>

  <properties>
    <org.springframework.version></org.springframework.version>
  </properties>

kknd22

/**
 * create Events.Groovy under directory <grails-project>/scripts 
**/
eventCreateWarStart = {warName, stagingDir ->
	//def wd = grailsSettings.projectWorkDir
	println "###eventCreateWarStart [${stagingDir}]"
	
	def today = System.currentTimeMillis()
	def spt_js_dir= "spt_${today}"
	

kknd22

1. List[+T] is convariant 
2. def ::(elem child):List[me]                    ----> List[child] < List[me)
3. def ::[parent >: me](x: parent):List[parent]   ----> parent::List[me] returns List[parent]

scala> class parent
defined class parent

scala> class me extends parent
defined class me