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PropertyEditors in Spring 3
Read more: PropertyEditors in Spring 3PropertyEditor is an interface that provides a support for the conversion of the value of a property (usually of type String) in an object that can be Date, URL, etc.
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Overriding the equals() and hashCode() methods
Read more: Overriding the equals() and hashCode() methodsThe equals() method is inherited from the superclass Object and determines if two instances are equal or equivalent. Usually this method should be overridden because the equals() method of the Object class is equivalent to the operator ==, which returns true if and only if the two references refer to the same object.
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The merge tag
Read more: The merge tagThe merge tag allows you to avoid an unnecessary use of nested layouts when you use the include tag.
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Displaying errors in xpages
Read more: Displaying errors in xpagesDuring the development of a lotus application with XPages is very useful to show the runtime errors on the XPages, to enable this feature check the “Display XPage runtime error page” under the tab XPages in Application Properties as shown below:
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Executing code on the creation or destruction of a bean in Spring
Read more: Executing code on the creation or destruction of a bean in SpringThere are 3 ways to execute code to create a bean in Spring: with the annotation @PostConstruct implementing the interface InitializingBean configuring the property init-method The reason why you run code when you create a bean is often to check the dependencies, and assign a default value, or automated actions such as starting a scheduled…
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Tabs and swipe views
Read more: Tabs and swipe viewsIn the post Tab Layout in Android with ActionBar and Fragment I explain how to implement tabs and in the post Swipe views I explain how to implement the swipe views or scrolling tabs using the ViewPager of the Compatibility Package. In this post I explain how to implement 3 tabs that look like those…
