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Data Science Interview Questions and Answers for 2021
Data science, being among the hottest career trends of this century, has been attracting eyes for all the right reasons. As leading review websites like Glassdoor and Harvard Business Review have mentioned it among the top jobs of the 21st century, the demand for data...
Career in Telecom Industry
TRAI has told that our India is currently holding the number fifth position of those who use the telephone. Our telephone holders spend 309 minutes per month. If we talk about the speed of development in telephone use then we have left behind all in the world. The...
What are Closures in JavaScript?
A closure is the combination of a function bundled together (enclosed) with references to its surrounding state (the lexical environment). In other words, a closure gives you access to an outer function’s scope from an inner function. In JavaScript, closures are...
What is Automation Testing?
The software testing industry involves two different kinds of testing- Manual and Automated. There are distinct differences between the testing types. Manual testing requires physical time and effort to ensure the software code does everything. Also, manual testers...
How to Run Hive Scripts?
Being a Data Warehousing package built on top of Hadoop, Apache Hive is increasingly getting used for data analysis, data mining and predictive modeling. Organizations are looking for professionals with a firm hold on Hive & Hadoop skills. In this post, let’s look...
How To Efficiently Use Button in HTML?
The struggle to help developers how to understand the right HTML to use for visual buttons has been written about over and over. Yet libraries, frameworks, templates, and by extension, sites & applications still continue to get it wrong. I’m going to quickly recap...
All you Need to Know About “a” tag in HTML
Redirecting someone to another page or redirecting content to your webpage is a very good way to keep things interactive. This can be made possible by the “a tag in HTML”. Let’s understand this but first What are tags in HTML? HTML tags are like keywords which defines...
How to Write a Prime Number Program in Python?
A prime number is a natural number greater than 1 and it does not have any divisor other than 1 and itself. You can write a code in Python that will help you find all the prime numbers. In this article, we will see how to write a prime number program in Python. So...
Top 8 Reasons To Learn Cybersecurity
In the present scenario, Cyber Security is becoming one of the finest options to begin your career with. The prime reason is the growing demand of the experts across the globe since last few years. It is one of the Information Technology domains which are becoming...
Why Python Is Essential for Big Data and Data Science ?
Its producers define the Python language as “…an interpreted, an object-oriented, high-level programming language with dynamic semantics. It's high-level built-in data structures, combined with dynamic typing and dynamic binding, make it very attractive for Rapid...
HTML vs HTML5 : What is New in HTML5?
You’ve probably seen many references to HTML5, along with mentions of certain features being “Deprecated” or “New” in HTML5. This can sometimes be confusing, as you find out that the way you thought you were “supposed” to do something is now not the right way at all....
Overview of Amazon Web Services
Amazon Web Services is the world’s most trending and best-suited cloud platform, offering more than 175 fully-featured services. From the fastest-growing startups to the largest enterprises, leading government agencies, and there are millions of customers using the...
SAP Certification: Overview and Career Paths
Global training in IT programs is shifting towards more standardization. Major players in the IT Market like Norton, Sun and Microsoft have designed their own certification programs and exams, as well as SAP that is credited with the establishment of different systems...
Top 3 Ethical Hacking Certifications 2020
With the rapid development of IT technologies, hackers have become an integral part of this process. We keep hearing about computer security destroyers and the problems they cause from time to time. And these hackers cause much destructive problems making it difficult...
Top 7 Technology Trends for 2020
Technology is constantly updating at such a rapid pace that it seems it is might be faster than light! A technology or a programming language that is making the rounds this week may be obsolete by the next few days! As more and more funds are invested in research and...
What is Version Control Tool? Explore Git and GitHub
In software development, distributed version control (also known as distributed revision control) is a form of version control in which the complete codebase, including its full history, is mirrored on every developer's computer. This enables automatic management...
What is the SQL Injection Vulnerability and How to Prevent it?
SQL injection is a hacking technique that was discovered more than fifteen years ago and is still proving to be devastatingly effective today, remaining a top database security priority. It was used in the run-up to the 2016 U.S. presidential election to compromise...
Get Started With the Requests Library in Python – Tutorial
The requests library is the de facto standard for making HTTP requests in Python. It abstracts the complexities of making requests behind a beautiful, simple API so that you can focus on interacting with services and consuming data in your application. In this post on...
Nagios Tutorial for Beginners – Continuous Monitoring With Nagios
Nagios now known as Nagios Core, is a free and open-source computer-software application that monitors systems, networks and infrastructure. Nagios offers monitoring and alerting services for servers, switches, applications and services. It alerts users when things go...
Top Reasons Why Big Data Analytics is the Best Career Move
Big Data Analytics—arguably the hottest skills dominating contemporary job markets, serves to be the right career choice for many. Here are some top reasons that provide a peep into the big picture. Big Data is very much in demand and everywhere. Today, almost every...
What Does if __name__ equals “__main__” Do in Python?
Today, let’s discuss something that’s all over the place in many code bases: what does if __name__ == '__main__' do in Python? Before executing code, Python interpreter reads source file and define few special variables/global variables. If the python interpreter is...
Python SystemExit Exception Explained
Some Pythonic thing around sys.exit() function. So I will explain this with the help of example. Read the code below and think about what will be in the output. 1. import sys 2. 3. def some_func(): 4. ... 5. 6. 7. def main(target): 8. try: 9. ...
Selenium Tutorial – Learn Selenium from Experts
Selenium is a popular open-source web-based automation tool. Selenium Webdriver is one of the most well known testing frameworks. It is an open source project that allows testers and developers alike to develop functional tests to drive the browser. Selenium Webdriver...
Install Docker on Ubuntu 20.04 – Tutorial
Docker is an open-source containerization platform that allows you to quickly build, test, and deploy applications as portable containers that can run virtually anywhere. A container represents a runtime for a single application and includes everything the software...
What is REST API? A RESTful Tutorial
Since the World Wide access of the internet, we have been using different applications and websites to get data for various resources. However, have you ever thought, where does this data come from? Well, it’s the servers from where we get the data. So in this article...
How to submit a form with JavaScript?
Generally, a form is submitted when the user presses a submit button. However, sometimes, you may need to submit the form programmatically using JavaScript. JavaScript provides the form object that contains the submit() method. Use the ‘id’ of the form to get the form...
What is Ethical Hacking? Introduction to Ethical Hacking
The term hacking has been around for a long time now. The terms ‘Hacking’ and ‘Hacker’ were coined in the 1960s at the Massachusetts Institute of Technology. Since then, hacking has evolved into a broadly followed discipline for the computing community. In this “What...
How does the A* Algorithm work and What is it?
Path Finding has been one of the oldest and most popular applications in computer programming. You could virtually find the most optimal path from a source to a destination by adding costs which would represent time, money etc. A* is one of the most popular algorithms...
5 Reasons why you should use React
Originally developed for Facebook by the Facebook, React is a JavaScript library that builds user interfaces for single-page applications by dividing UI into composable components. Since it requires only a minimal understanding of HTML and JavaScript, React has risen...
Learn React Router in 5 Minutes – Beginner’s Guide
Sometimes you've only got 5 minutes to spare. Instead of wasting it, let's get a 5-minute introduction to React-Router! In this tutorial, we're going to learn the basics of routing in React by building navigation for a myshop Ecommerce website. Many modern websites...
Blue Prism Interview Questions You Must Know in 2020
If you're looking for Blue Prism Interview Questions for Experienced or Freshers, you are in the right place. There are a lot of opportunities from many reputed companies in the world. The RPA market is expected to grow to more than $5 billion by 2020, from only $180...
Mulesoft Tutorial
Mulesoft Overview Mule, the runtime engine of Anypoint Platform, is a lightweight Java-based enterprise service bus (ESB) and integration platform that allows developers to connect applications together quickly and easily, enabling them to exchange data. It enables...
Python NumPy Tutorial – Learn NumPy With Examples
If you’ve been studying Python for some time, you must’ve come across NumPy. And you must’ve wondered what it is and why it is so important. NumPy stands for Numerical Python, is a library consisting of multidimensional array objects and a collection of routines for...
Top DevOps Interview Questions You Must Prepare In 2020
DevOps stands for Development and Operations. It is a new form of software development that has revolutionized the way software products are developed and distributed. The DevOps methodology focuses on providing frequent smaller upgrades rather than rare big feature...
What is Cyber Security?
Computer security, cyber security or information technology security (IT security) is the protection of computer systems and networks from the theft of or damage to their hardware, software, or electronic data, as well as from the disruption or misdirection of the...
What is Ansible?
Ansible is an automation platform that implements a much easier way to deploy applications. Ansible is an open-source automation tool used to perform tasks that encompass provisioning, configuration management, continuous delivery, application deployment, networking,...
Styling React Native Apps Tutorial
If you ever used React Native, you have probably realized that it doesn’t use normal HTML & CSS like a web application. In this Tutorial, we will discuss Styling React Native Apps and you will see everything is automatically styled based on Flexbox. The Stylesheet...
DevOps Tutorial – Learn from Experts
The DevOps is the combination of two words, one is Development and other is Operations. It is a culture to promote the development and operation process collectively. what is devops DevOps promotes collaboration between Development and Operations team to deploy code...
5G Networks : The Future Generation Network
5G networks are the future generation of mobile net property, providing quicker speeds and additional reliable connections on smartphones and different devices than ever before. Combining with-it network technology and therefore the terribly latest analysis, 5G ought...
What is Docker?
History of Virtualization Earlier, the process for deploying a service was slow and painful. First, the developers were writing code; then the operations team would deploy it on bare metal machines, where they had to look out for library versions, patches, and...
Handwritten Digits Recognition Using Neural Nets
Easy right? — Most people effortlessly recognize those digits as 504192. That ease is deceptive. You didn’t even bother about the poor resolution of the image, how amazing. We should all take a moment to thank our brains! Wonder how natural it is for...
Why Do We Write super(props) in React JS?
Why do we call super? Can we not call it? If we have to call it, what happens if we don’t pass props? Let’s find out. In JavaScript, super refers to the parent class constructor. (In our example, it points to the React.Component implementation . ) Importantly, you...
Best Telecom Training Provider in India
Today the area of telecommunication is fast moving forward in the world. This field plays an important role in our everyday life. With its help, we get in touch with people sitting far away. With the help of this technique, we have been able to see and...
What is Anaplan – Anaplan Tutorial For Beginners
Anaplan Overview Anaplan is a new-age cloud-based planning and performance management platform with use cases in Sales, Marketing, HR, Finance and IT. It connects enterprises and people that make better decisions. Anaplan is proved to achieve extreme level of...
Top 10 DevOps Tools You Must Know in 2020
As technology advances, numerous DevOps tools have been developed to make collaboration and development easier. To help you refine your DevOps strategy, we mention top 10 DevOps tools which you should use in the year 2020. 10. BitBucket BitBucket is also a tool...
Top 10 Reasons to Learn RPA
Robotic Process Automation (RPA) is a software designed to automate simple, repetitive tasks that take up a large percentage of a workers’ time, such as onboarding employees, applications processing, claims processing, and loan processing, just to name a few. RPA is...
Cyber Security Awareness Training for Employees
Can you imagine what the implications would be if the personal and financial information of every employee in your company were leaked to an intruder? The 4,000 employees of Scotty’s Brewhouse sure can. They were the victims of an email phishing scam where...
Guidewire Interview Questions & Answers
General Insurance Question Q1. What are the different types of Insurance Coverage? Ans: Insurance policy is categorised into two General or Non-life Insurance Life Insurance Q2. What do you mean by ‘insurance coverage’? Ans: The term ‘insurance coverage’...
DevOps Beginners Tutorial: Introduction To DevOps
We will learn about DevOps in the following sequence: What is DevOps? Why is DevOps is Needed? DevOps Lifecycle DevOps WorkFlow DevOps Training Curriculum DevOps Training Certification What is the future of DevOps? What is DevOps? DevOps (a clipped compound of...
Getting Started with Xamarin Forms Basics: Xamarin Tutorial
Ever since Xamarin came onto the stage several years ago, C# developers have been delighting in being able to create mobile applications that target non-Microsoft platforms. It's with quite a bit of excitement that we can now write apps in a language that is very...
