Node.js
Node is an open source runtime environment for server-side applications. It allows you to run JavaScript on the server in addition to the browser. Almost all of the new and most…
What you need to know about Data Science
A chemist studies chemical properties of objects. A biologist studies living beings. A data scientist studies data. Data is real. It has real properties. Study of data leads to information…
Linux symbolic links
A symbolic link is a link which points to another file. In Microsoft windows, this is referred to as a shortcut and in Macintosh, an alias. To create a symbolic…
Quick Introduction to Hive
Hive is an SQL language that processes and analyzes data in Hadoop. It does not require knowledge of any programming language. Hive is not suitable for OLTP, it is designed…
apache2: Could not reliably determine the server’s fully qualified domain name, using 127.0.0.1 for ServerName
Problemapache2: Could not reliably determine the server’s fully qualified domain name, using 127.0.1.1 for ServerName SolutionThis is not an error, only a warning. To fix this in Ubuntu 14.04 LTS…
PHP: How to convert XML to JSON
Converting XML to JSON is very easy in PHP. See the following code. line 1: open an empty file to write JSON line 2: load xml file line 3: convert…
Introduction to WordPress
WordPress is a free and open-source web publishing application. WordPress can be used to publish content on the Web. It allows you to create different types of content such as…
Java: How to pass command line arguments
Following simple code shows how to pass command line arguments to to Java program: Running the program Output of this program Explanation All command line arguments are passed to a String…