Anurag Rajandekar

SQL: Understanding JOINS

SQL JOINS are required when you want to match values from different tables and get the common result out of it. Depending upon various criteria we can used different joins mainly INNER Join, LEFT OUTER Join, RIGHT OUTER Join and FULL OUTER Join. Let us explore each of these type of joins in detail Data […]

SQL: Understanding basics with CRUD Operation

Introduction to SQL SQL or Structured Query Language is the language we use to work with the Relational database. Although the syntax differs from vendor to vendor, but moreover the structure of the language is same. What’s better way to learn a language than actually using it to perform some operation. CRUD Create, Retrieve, Update […]

Statistical Analysis with R

R is powerful language for doing the statistical analysis of your data and visualize the result. In the last decade, R has gained tremendous traction among the people involved in data and business analyses. Being open source, R has attracted some unique contributions from the community because of which it now stands tall when compared […]

Understanding the Difference between Web and App Server

In the world of client-server architecture, there is always a confusion related to what responsibilities are handled by a web server and an app server. In this post we will go deep into the roles played by both What is Web Server A Simple Web Server works on HTTP protocol and does the job of […]

Accessing HTML page elements in JavaScript Console

While working with HTML pages during design or prototyping, most of the times we have to access the HTML page elements and depending upon some user action values of those HTML elements can be manipulated. In this post, we will explore the ways to access different HTML elements while working with user data and manipulating […]

Using DOCTYPE in html document

Ever wondered why !DOCTYPE html is written at the beginning of an HTML document. Well, it’s not an HTML tag. It’s an instruction to the web browser to tell about HTML version which is used to write that particular HTML document.   Various DOCTYPE declarations Let us see how DOCTYPE declaration is used for different […]

JavaScript: Understanding Document Object Model (DOM)

Document Object Model or DOM is a programming interface for the document (HTML, Dynamic HTML or XML) which provide the ability to manipulate the elements (HTML tags and String literal) that makes up a document. In a normal scenario, when server sends the response in the form of an HTML page, browser takes that HTML […]