JPA – Simple JPQL with TypeQuery
This tutorial demonstrate using JPA2.0 with JQPL with TypeQuery and hibernate as vendor provider.
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JPA NamedQuery
This tutorial demonstrate using JPA2.0 with NamedQuery and hibernate as vendor provider.
Spring JavaConfig JdbcDaoSupport
This article demonstrate how to use JdbcDaoSupport in Spring JavaConfig.
AOP basic
Join Point – A point of execution of a program, such as a method call or exception thrown Pointcut – A expression that selects on one or more join points Advice – Code to be executed at each selected join
Around Advice Example With ProxyFactory
Example 1: ProxyFactory + Advice The first example will show you how to use ProxyFactory with advice and target object. 1) Create a target object need to be advice. 2) Create an advice class and add it into ProxyFactory. 3) Create a new proxy object via ProxyFactory getProxy() method. 4)
JavaConfig – SpringExpL
Suppose I have a POJO called Address, I’d like to load external resource data and replace the address line1 and line2 value.
BeanPostProcessor
Bean post-processors, a special kind of spring bean that able to received bean lifecycle callback at various stages (initialisation/destruction), and perform additional task on each bean before it’s initialisation. Example, RequiredAnnotationBeanPostProcessor is a spring bean post processor, it responsibility is to check
CustomPropertyEditor
Let’s look at how the custom property editor do the job for us. Before that I’ll first demo if we didn’t use PropertyEditor, Spring will not understand what exactly the type and how can convert. Therefore exception are throw. public
Using Spring Expression Language with value
Using SpEL is easy for externalise the value. This simple example demonstrate how to use spring expression language. Create a POJO MySetting @Component(“mySetting”) public class MySetting { private String username = “admin”; private String password = “p@ssword1”; private String database =
NodeJs – Simple console questionnaire
In this tutorial, I’ll show you how you can achieve a simple console apps that you’d like to pre-configure a set of question.