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Java XPath Tutorial: How to Parse XML File using XPath in Java

XPath is a language for finding information in an XML file. You can say that XPath is (sort of) SQL for XML files. XPath is used to navigate through elements and attributes in an XML document. You can also use XPath to traverse through an XML file in Java. XPath comes with powerful expressions that ...

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Read / Write CSV file in Java

If you want to work with Comma-separated Files (CSV) in Java, here's a quick API for you. As Java doesn't support parsing of CSV files ...46 comments
Spring MVC HashMap Form Integration example

Spring MVC provides powerful way to manage form inputs. It also provides form validation functionality which is easy to integrate in any application. But other than the normal form bean mapping, recently I had ...31 comments
Spring MVC + FreeMarker (FTL) Integration example

Welcome to Freemarker Tutorial Series. In previous post we created Servlet based Hello World Freemarker Template example. We learned few APIs of freemarker and also how to integrate it with Servlet based application. Following ...23 comments
Introduction to FreeMarker Template (FTL)

FreeMarker is a Java-based template engine focusing on the MVC software architecture. Although it's mostly used for Servlet-based Web Application development, it can be used for ...12 comments

WordPress – Allow Contributors to Add / Upload Media

In Wordpress by default the Add Media functionality (called Capability in wordpress terms) is disabled for users with Contributor role. If you are hosting multiuser wordpress site where users with contributor roles logs in and ... Read More »
Excel Macro: Evaluating Formulas Dynamically

In this post, we will see how excel formulas can be picked-up dynamically in excel macros. This tutorial also covers applying cell formats dynamically. Lets consider the following example. For data setup, we open a new ... Read More »
Getting Started With Yeoman (Introduction to Yeoman)

Yeoman is a Node module to automate your front-end project build process, so that all we as a developer only need to worry about is to ... Read More »
Navigating Spring Security from thick Client to REST Webservice

When a Web Service is protected by Spring security, and we try to access that Web Service, we are presented with a login page to enter our credentials. After we provide our credentials, this information ... Read More »
HTML5 DataList Example

HTML5 Datalist is a new html tag shipped with HTML5 specification. HTML5 Datalist can be used to create a simple poor man's Autocomplete feature for a webpage. In this tutorial we will go through the ... Read More »

Spring @RequestHeader Annotation example

Let us quickly check how to access http Header information in Spring MVC Controller. Spring @RequestHeader Annotation Spring MVC provides annotation @RequestHeader that can be used to map controller parameter to request header value. Following is the ...1 comment
Spring MVC Exception Handling using @ControllerAdvice annotation

Spring MVC provides a great way to handle exceptions and errors. @ExceptionHandler annotation is core to this feature. For each Spring controller we can simply define a ...5 comments
Spring MVC Cookie example

In this post we will see how to access and modify http cookies of a webpage in Spring MVC framework. Read Http Cookie in Spring ...0 comments

org.hibernate.AnnotationException: No identifier specified for entity

When you are writing a piece of code from scratch a lot of time you do silly mistakes and still wonder why its not working. Well same thing happened the other day when I added ...22 comments
Hibernate Inheritance: Table Per Concrete Class (Annotation & XML mapping)

Welcome to Hibernate Tutorial Series. In previous tutorials we saw how to implement Inheritance in Hibernate: One Table per Subclass. Today we will see how to implement Hibernate Inheritance: One Table per Concrete Class scheme. You may ...38 comments
Hibernate Inheritance: Table Per Subclass (Annotation & XML mapping)

Welcome to Hibernate Tutorial Series. In previous tutorials we saw how to implement Inheritance in Hibernate: One Table Per Hierarchy. Today we will see how to implement Hibernate Inheritance: One Table per Subclass scheme. You may want ...27 comments