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Hadoop Installation Overview – Part1 – Single Node

Hadoop Installation Overview – Single Node Part1 Overview This is the part1 of Hadoop installation document, We will be covering installing hadoop on a Single VM enviroment. Both namenode and datanode will run on the same VM. Assumption This document assumes that VMWare box is already installed […]

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Hadoop Installation Overview – Part2 – Sudo Distribution

Hadoop installation Overview – Sudo Distribution Overview This is the part 2 of Hadoop installation document, in part1 we covered installing hadoop with NameNodes,DataNotes on a single VM enviroment. In Sudo Distribution, we will Install 2 instances of VM, where one machine will act as a NameNode+DataNode […]

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Git – How to Clone a Remote Branch from Github

When there are many branches, and they are at different phase of commits, we got to be extra careful that the local remote branch reflects the exact status of the remote branch. Below is the command which will allow you to clone the exact branch to your […]

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Angular Goodness – Display the JSON Object as a String for Debugging

During development, we always want to know the current status of the JSON Object, as this objects state keeps getting changed based on User actions as well as $http interaction. AngularJS, has a built in filter called JSON which allows to convert the JSON object to String […]

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Angularjs Goodness – How to run Jquery scripts/apply styles after the table has been populated by ngRepeat

It is touch sometimes for JQuery and Angular to coexist esp. when there are external jquery scripts which are also manipulating the dom and Angular is reluctant to give the control over the DOM. We had a jquery script which was applying some styles on the the […]

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Angularjs Goodness — How to highlight selected row using ngClass

angularJs, ngClass directive vests lots of CSS power in it. Here is one problem ngClass solves so effortlessly.

Problem –  highlight  selected row in a table when user clicks it,  use ngRepeat directive to display all the rows in the table.

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Java Goodness – Top 5 Must know about JPA/Hibernate for Interviews

When appearing for Java interviews, you got to be strong in your DB, here are some of the basics you must know Difference between Hibernate and JPA JPA is J2EE5 specification on how the ORM layer should be implemented, so essentially its an Interface, But Hibernate-JPA is […]

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Angular Goodness : Dividing html files into header, footer and body

Clean code is always the best code, hence its best to divide the code in different categories, the most generic we always use is the header, footer and body. So far I had used tag in JSP, but how do we do it if we just have […]

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Angular Goodness : Angular way on how to be Silent on Success of REST Request

  In Angular, lets say you are making a REST call to get a List of Contacts,  but want to do nothing on the Success callback function, how will we achieve it using Angular. The Magic lies in angular.noop() ,   to do nothing on the success callback […]

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Top 5 Features in Java 7

  One of the core principles of Agile Programming, is to keep the Code DRY.  DO NOT REPEAT YOURSELF, KEEP THE CODE DRY. Below features of Java7 demonstrates it 1. Type Inference For Generic Instance Creation * Agile DRY Feature Map<String, List<String>) myMap = new HashMap; payday […]

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