Sanjay Prajapat

Sanjay Prajapat

Sanjay Prajapat is a Data Engineer and technology writer with expertise in Python, SQL, data visualization, and machine learning. He simplifies complex concepts into engaging content, helping beginners and professionals learn effectively while exploring emerging fields like AI, ML, and cybersecurity in today’s evolving tech landscape.

291 Articles

aws devops interview questions
By Sanjay Prajapat | April 7th, 2026

Top AWS DevOps Interview Questions and Answers

AWS and DevOps together have become a powerful combination. Those with skills and knowledge in both are high in demand in organizations globally. These AWS DevOps interview questions and answers are..

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Power automate tutorial
By Sanjay Prajapat | April 7th, 2026

Power Automate Tutorial For Beginners

Time is money and every penny that a company saves adds on to its success. This can only be done with this era’s blooming technology and that is automation. Getting a smart bot to do repetitive and time consuming tasks can make big..

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Cloud Computing Interview Questions
By Sanjay Prajapat | April 7th, 2026

Top Cloud Computing Interview Questions in 2026

Cloud computing has completely transformed how businesses operate, making data storage, networking, and computing power more accessible than ever. With major companies relying on cloud services, professionals with cloud..

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what is full stack development
By Sanjay Prajapat | April 7th, 2026

What is Full Stack Development?

Full stack development is a developing process entailing both the frontend (user-facing side) and backend (server-side side) of an application. These ends are definite and crucial components of the software development process for delivering..

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Pandas Cheat Sheet
By Sanjay Prajapat | April 7th, 2026

Pandas Cheat Sheet

Struggling to manage messy or unorganized data? Pandas can fix that. No, not the animal, but the powerful Python library trusted for data manipulation, cleaning, transformation and analysis. It lets you handle large datasets in seconds with a few lines of code, making it essential in modern data work...

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numpy cheat sheet
By Sanjay Prajapat | April 7th, 2026

NumPy Cheat Sheet (Beginners To Advanced Level)

NumPy is a Python library built for fast mathematical computing, large dataset handling and scientific analysis. It works with multi-dimensional arrays that execute considerably faster than standard Python lists due to optimized memory allocation and vectorized operations. This Numpy cheat sheet provides...

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POML (Prompt Orchestration Markup Language)
By Sanjay Prajapat | April 7th, 2026

What is POML (Prompt Orchestration Markup Language)?

POML is also known as Prompt Orchestration Markup Language. It is an XML-inspired framework released by Microsoft on August 13, 2025. It is a structured way to design, organize and automate prompts for AI workflows. POML helps you in defining prompts..

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power query in excel
By Sanjay Prajapat | April 7th, 2026

How to Use Power Query in Excel?

Power Query in Excel is a great tool for streamlining data operations. It saves a lot of precious time spent on repetitive tasks like data extraction and transfer. Using this tool can simplify a major part of data operations. Do you know how to use Power Query..

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sql cheat sheet
By Sanjay Prajapat | April 7th, 2026

SQL Cheat Sheet: Basic to Advanced

SQL (Structured Query Language) is the standard language used to interact with relational databases. It can create, read, update, and delete data (CRUD), shape results for reports, run analytics, and manage database objects like tables, indexes, views, etc...

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aws interview questions
By Sanjay Prajapat | April 7th, 2026

AWS Interview Questions and Answers

With cloud computing jobs booming year over year and mastering AWS has become more crucial than ever. It can help you land your dream job as a cloud developer, cloud architect, solution architect, cloud security engineer or DevOps engineer..

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what is javascript
By Sanjay Prajapat | April 6th, 2026

What is JavaScript?

JavaScript (JS) is an interpreted and versatile programming language which is used to create interactive elements or content on web applications. JS supports both client and server side development. This client-side programming language integrates..

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java interview questions
By Sanjay Prajapat | April 6th, 2026

Java Interview Questions and Answers

Java is one of the most widely used programming languages, powering applications in top companies like Google, Amazon, Netflix, and more. Its versatility, platform independence, and strong performance make it a go-to choice for developers..

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Selenium Interview Questions
By Sanjay Prajapat | April 6th, 2026

Selenium Interview Questions and Answers

Selenium is a powerful and automated software testing tool that helps organizations to simplify application testing. It has a significant market share of 26.12% with the 2nd rank in the testing and QA category. Many reports suggest that the demand..

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Introduction To Python
By Sanjay Prajapat | April 6th, 2026

Introduction To Python (Learn Basics)

Python can be referred to as a jack-of-all-trades coding language. Coders love it for its easy-to-read style and its no-fuss approach. Guido van Rossum dreamed it up back in '91, and it has taken..

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Python Basic syntax
By Sanjay Prajapat | April 6th, 2026

Python Basic Syntax

The basic syntax of the Python programming language is an essential stepping Stone for creating a cleanly structured, high-performance program. Anyone who has used the Python programming language a few times is likely to have a good understanding of just how easy it is to read and write code because the syntax of Python is extremely simple and well-organised...

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What is Microsoft Azure
By Sanjay Prajapat | April 6th, 2026

What is Microsoft Azure and How Does It Work?

Cloud computing today is the IT infrastructure that steers new digital businesses. With more use cases and applications of cloud computing, the number of platforms are increasing too. But even amid this, the one name that is going steady..

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python testing
By Sanjay Prajapat | April 6th, 2026

A Comprehensive Guide to Python Testing

Testing in software development is not an optional step. It is a fundamental practice that ensures the code quality, stability and long-term maintainability. This guide here talks about Python testing. Python has a rich ecosystem of tools and frameworks to help developers write everything from simple checks to complex end-to-end scenarios...

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what is python used for
By Sanjay Prajapat | April 6th, 2026

What is Python Used For? 8 Real-Life Python Uses

Since the beginning, Python has been employed for software and website development. Over the years, however, its use cases have expanded and diversified exponentially.

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How To Learn Python
By Sanjay Prajapat | April 6th, 2026

How To Learn Python?

Python is the reigning name on the list of the world's top programming languages. From its years-ago use in web development to more contemporary uses in ML, data science and automation, Python has come a long way.

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Product Manager interview questions
By Sanjay Prajapat | April 6th, 2026

Product Manager Interview Questions and Answers

Project Managers are responsible for managing the entire product journey from its idea to execution. They manage internal processes, decide timelines and allocate resources to ensure that every piece...

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Python Hello World
By Sanjay Prajapat | April 6th, 2026

Python Hello World

Python is a high-level, general-purpose programming language known for its readability, simplicity, and versatility. Learning Python through the “Hello, World!” program is important. It's your first step into coding, helping you understand how programs..

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Python Functions
By Sanjay Prajapat | April 6th, 2026

Python Functions

A Python function is a named block of code designed to perform a specific task. You define it once using the def keyword and then you can execute it with different inputs. Functions are important as they allow you to encapsulate logic so you..

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what is python
By Sanjay Prajapat | April 6th, 2026

What is Python?

Python can be referred to as a jack-of-all-trades coding language. Coders love it for its easy-to-read style and its no-fuss approach. Guido van Rossum dreamed it up back in '91, and it has taken off remarkably..

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Python Comments
By Sanjay Prajapat | April 6th, 2026

Python Comments

Python comments are lines of text written to explain what the code is doing. They are ignored during the code execution by the Python interpreter. It does not affect the program’s output. Comments are used to describe the purpose of code blocks....

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ReactJS Interview Questions
By Sanjay Prajapat | April 6th, 2026

ReactJS Interview Questions and Answers

ReactJS is the magic behind the smooth interfaces of applications we use, from Instagram’s scroll to Netflix's navigation. When I first sat down to prepare for my React interview, I thought knowing components and hooks were enough. I have created..

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machine learning interview questions
By Sanjay Prajapat | April 6th, 2026

Machine Learning Interview Questions and Answers

Imagine a world where algorithms predict customer behavior with exceptional accuracy or artificial intelligence (AI) diagnoses diseases faster than ever before. This is the power of Machine Learning (ML), making it one of the top utilities..

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What Is HTML (Hypertext Markup Language)?
By Sanjay Prajapat | April 6th, 2026

What is HTML? Definition, Features, and Importance

HTML or Hyper Text Markup Language is the outline that structures every webpage you visit. It could be anything from a simple blog to a very advanced e-commerce site. The web would be a disorganized jumble of data without this standard language..

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Node.js Interview Questions
By Sanjay Prajapat | April 6th, 2026

Top Node.js Interview Questions and Answers

Are you someone who is preparing for your next Node.JS interview? This is the right guide for you to dive in. Node.js, the jungle of JavaScript has turned the script on server-side development. It continues to be a go-to tool in the developer's arsenal..

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what is php
By Sanjay Prajapat | April 6th, 2026

What is PHP Programming Language?

PHP is a free to use server side scripting language widely used for web development. It can build dynamic and data-driven websites. I have been using PHP for many years, and this experience has made my work much easier by allowing me to develop...

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Python Global Variables
By Sanjay Prajapat | April 6th, 2026

Global and Local Variables in Python

Global Variable in Python gives an efficient way of defining and accessing data in programming. Understanding how to use it is a must skill for developers. Do you know ‘what is a global variable in Python?’ This article aims to give...

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