Java 8 lambda foreach Map

You must have heard about Lambda Expression introduced in Java 8. Soon we will cover detail topics on it. But now in this article i will show how to use Lambda expression to iterate Collection.

Python setup for Windows, Mac, Linux

Python is available for various platforms which includes Linux, Windows and Mac OS. So here we are going to understand how to setup python environment. For the local environment setup open the terminal window and type there “python” to know…

Java Enum (Enumerations)

In this article I’ll write about Java Enumerations which are the most elegant way to define and use constants in your application. This is the basic feature every one knows but there are some more which you might don’t know.

MapR: The Magic Which Drives Hadoop

When Google faced the trouble of analyzing huge datasets, such as web access logs and the page rank of a website. They used to employ an algorithmic approach which used to take up a lot of time and had to…

Hadoop Distributed File System

The Hadoop Distributed File System (HDFS) was developed following the distributed file system design principles. Running on commodity hardware, HDFS is extremely fault-tolerant and robust, unlike any other distributed systems.

Python date comparison

Comparing dates (or datetime objects) in Python is very easy. The basic comparison operators (==, !=, <>, >, <, >=, <=) are overloaded for the datetime object, so comparing dates is very intuitive and quick.