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First, before beginning this Hadoop Tutorial, let's explain some terms.

What is Big Data?

Big Data is the reality of to do business for most organizations. Big data is a collection of large data sets which can not be processed using routine data processing techniques. Big Data is no longer a giv...

Continue reading... Hadoop tutorial

While working with hibernate (which is quite popular java object relational mapper), you might have stumbled upon this exception:

Row was updated or deleted by another transaction

What does this exception really mean? Well, you're most probably trying to update an object via hibernate which was...

Continue reading... Row was updated or deleted by another transaction

Author Bio: Amy is WordPress developer by profession. She works for WordPrax - WordPress website development company and has a strong inclination for a suite of creative endeavors. Blogging meanwhile is a new found hobby for Amy.

Binding-Dropdown-Using-jQuery

Dropdown binding is perhaps one of...

Continue reading... Binding Dropdown using jQuery

Exception in thread "main" java.lang.NoClassDefFoundError

A friend of mine wanted to start to learn java, and I wanted to help him, so we created a simple Hello World example.

public class Hello {
    public static void main(String argv[]) {
        System.out.println("Hello world !");
    } 
}

Continue reading... Exception in thread "main" java.lang.NoClassDefFoundError