The PageRank algorithm is a central part of Google’s search engine. It was developed by Larry Page and Sergey Brin, who were then Stanford graduate students. The algorithm was designed to help Google Index web pages and provide quality search results. In a nutshell, PageRank is a “vote” regarding a…

Dijkstra’s algorithm is a method that can find the shortest path from one single vertex, i.e., the source to all other vertices of the graph, given that every edge has some positive weight. The shortest path problem is one that we very often face in real life situations. …

What is it? Kadane’s algorithm is a highly optimized method to determine a contiguous subarray from an array such that it has the maximum sum, i.e. it is used to find a group of continuous elements of array whose sum is higher than the rest. On first look it seems like that would…

A CSS Selector is a pattern of elements and other terms that tell the browser which HTML elements should be selected to have the CSS property values inside the rule applied to them. They are incredibly powerful and understanding them is necessary to style a webpage. Selectors can be divided into three broad categories: 1. Element Selectors: These simply mention the…

What is CSS? CSS stands for Cascading Style Sheets. CSS describes how HTML elements are to be displayed on a screen, i.e. it describes the presentation of your webpage. CSS saves a lot of work. It can control the layout of multiple web pages all at once. CSS controls everything from the color…

What is web development? Web development is the process of building websites and applications for the internet, or for a private network known as an intranet. It can be broken down into three layers: client-side (front end), server-side (back end) and database technology. Frontend refers to the interface the client sees and interacts with…