Session Storage in JavaScript

What is sessionStorage? sessionStorage is an object for the current session much like the localStorage, sessionStorage can also store data in the memory of the browser, but this data cannot persist over multiple sessions, it gets deleted after a page session is ended. Whenever a document is loaded in a […]

Local storage in JavaScript

What is localStorage in javascript? The local storage is the storage location provided by the browser and that allows us to store key/value pairs in a web browser to use at a later stage of time. The localStorage object stores the data without any expiration date, i.e. data stored in […]

Reloading Webpage Data Using AJAX

What is AJAX? AJAX stands for asynchronous javascript and xml. It is a technique where we can request data from the server without reloading the entire page, it is not a programming language, it is a combination of different technologies listed below Language used in ajax Html Css Javascript Php […]

Stacks In Java

Stack is a linear data structure ( an abstract data type ) with a fixed capacity. Linear data structure which is simple to use and allows adding and removing elements in a particular order i.e. a last-in-first-out (LIFO)  order. Every element enters the stack from the top and leaves from the […]


Network Programming The term network programming refers to writing programs that execute across multiple devices (computers), in which the devices are all connected to each other using a network. Such programs enable processes to communicate with each other across a network. Communication over a network takes place through protocols like […]

Power BI – DAX

What is DAX? DAX stands for Data Analysis eXpressions and is the language behind Power BI. DAX is a formula expression language used in Analysis Services, Power BI, and Power Pivot in Excel. With the help of DAX, analysts discover ways to analyze data and come up with great ideas and insights […]

Network Programming with Java Sockets

Network Programming with Java Sockets The package of the J2SE API contains a collection of classes and interfaces that provide the low-level communication details required for network programming. At the core of Java’s networking support is the concept of a socket. A socket is a software endpoint that establishes […]

Indexed sequential file organization and Chaining

Indexed sequential access file combines both sequential file and direct access file organization. In indexed sequential access files, records are stored randomly on a direct access device such as a magnetic disk by a primary key. This file has multiple keys. These keys can be alphanumeric in which the records […]