Hadoop and Spark are software frameworks from Apache Software Foundation that are used to manage ‘Big Data’. There is no particular threshold size which classifies data as “big data”, but in simple terms, it is a data set that is too high in volume, velocity or variety such that it cannot be stored and processed by a single computing...

Python is one of the most popular coding platforms available in the industry today. Starting from amateurs to professionals, everyone used Python to code and make applications for mobile as well as web. Being such a versatile platform, there are some aspects that are not so well known among users. One of the most significant of this is the Init...

In modern day business dynamics, there is an application for every need you can imagine. Be it for keeping track of your weekly swimming sessions or to find the best restaurants in town. Python is one language where many of these applications are built as it boasts of a wide range of features it has to offer. This article will unfold one such...

CSS selectors are used to decide the style to apply to an element on a web page. Selenium cleverly reuses them in order to choose the correct element to interact with. Here, we look at what CSS selectors are and some of the pitfalls of relying on them. What is CSS? CSS, or cascading style sheets, is the standard approach to web design....

Main function is like the entry point of a program. However, the Python interpreter runs the code right from the first line. The execution of the code starts from the starting line and goes line by line. It does not matter where the main function is present or it is present or not. Since there is no main() function in Python, when the command...

Object class is present in the java.lang package. Every class in Java is directly or indirectly derived from the Object class. If a Class does not extend any other class then it is a direct child class of Object and if extends another class then it is an indirectly derived class. Therefore the Object class methods are available to all Java...

What is PySpark? PySpark is the Python API that is attract issued by the Apache community for support python and Spark support. Using PySpark, one can easily integrate and work with the RDD program in python as well. When it comes to exploration scale data analysis, PySpark language is a good match for all your needs. Whether you build a...

A vector can be defined as a dynamic array that can grow or shrink on its own i.e. vector will grow when more elements are added to it and will shrink when elements are removed from it. This behavior is unlike that of arrays which are static. But similar to arrays, vector elements can be accessed using integer indices. A vector can be...

Many enterprises are adopting digital methods for their operation because they understood that future lies in routine operation being fully automated. Speed of execution and accuracy are the two biggest advantages of digitization. On the other side, right tool and skilled manpower are the two biggest challenges of digitization. That is why...

What is a Page Object Model? Page Object Model (POM) is a design pattern, popularly used in test automation that creates Object Repository for web UI elements. The advantage of the model is that it reduces code duplication and improves test maintenance. Under this model, for each web page in the application, there should be a corresponding...