Advanced Excel refers to the capabilities and functionalities of the Microsoft Excel application that enable the user to execute intricate calculations, analyze massive amounts of data, conduct data analysis, and show data more effectively, among other things.Given how important time is in the business world, advanced Excel training may be...

Apache Hadoop is an open-source platform for big dataset storage and processing. Using a cluster of commodity hardware, it provides a stable and scalable platform for conducting big data analytics.Hadoop has become a big data cornerstone, allowing enterprises to manage, analyze, and get insights from large amounts of organized and...

Apache Spark is an open-source distributed general-purpose cluster-computing framework. Spark provides an interface for programming entire clusters with implicit data parallelism and fault tolerance.It is used for processing and analyzing a large amount of data. Just like Hadoop MapReduce, it also works with the system to distribute data...

The soaring demand for data visualization and data reporting has led to an exponential surge in the openings of Power BI jobs. Companies are in pursuit of specialists who can seamlessly deal with Power BI.  We have put together the top Power BI interview questions for beginner, intermediate and experienced candidates. These most...

Often employed in system and application development, C and C++ are strong programming languages. Operating systems and embedded systems benefit greatly from the efficiency and control that C is recognized for. Extensions like games, real-time simulations, and large-scale software systems can benefit from the object-oriented characteristics that...

Selenium WebDriver is one of the most important parts of the Selenium test-suite family, but before directly hopping onto Selenium WebDriver, we must have a basic idea about Selenium. [contact-form-7 id="76417" title="Subscriber Demo Form"] What is Selenium? Selenium refers to a suite of tools that are widely used in the testing...

Selenium Automation Testing has become very popular among testers because of the various advantages it offers. When we talk about automation testing, the first thing that often comes to mind is our favorite automation testing tool. However, it won the hearts of many testers and developers with its simplicity, availability, and ease of use. With...

In this article, I’m going to give you a general overview of a very popular and widely used client-side framework called Angular. This Angular introduction is mostly aimed at newcomer developers who have little experience with JS frameworks and wish to learn the basic idea behind Angular as well as understand its differences from...

The word polymorphism is used in various contexts and describes situations in which something occurs in several different forms. In computer science, it describes the concept that objects of different types can be accessed through the same interface. Each type can provide its own, independent implementation of this interface. It is one of the...

What is Java? Java is a programming language and a platform. Java is a high level, robust, object-oriented and secure programming language. Java was developed by Sun Microsystems (which is now the subsidiary of Oracle) in the year 1995. James Gosling is known as the father of Java. Before Java, its name was Oak. Since Oak was already a...