Hadoop Tutorial

  What is Hadoop? Hadoop is a platform for storing and processing large amounts of data in a distributed and scalable fashion. Based on the two well-known Google papers on MapReduce and Google File System, Hadoop was originally created by two engineers at Yahoo. Individuals and businesses are using Hadoop as part of their analytics … Continue reading Hadoop Tutorial

PHP Variables

  Variables: A variable is simply a container that’s used to store both numeric and non-numeric information. PHP has some simple rules for naming variables. Every variable name must be preceded with a dollar ($) symbol and must begin with a letter or underscore character,optionally followed by more letters, numbers, or underscore characters. Common punctuation … Continue reading PHP Variables