Objective of the Chapter To provide learners with a foundational understanding of what web writing is, its significance in the digital world, and the wide-ranging opportunities it offers. This chapter also introduces the essential skills and mindset needed to succeed…
Table of Contents: What is an RDD? Creating RDDs RDD Operations Lazy Evaluation and Lineage RDD Caching and Persistence When to Use RDD vs DataFrame Summary In this chapter, we will explore one of the foundational abstractions in Apache Spark—Resilient…
In this chapter, you’ll learn how Apache Spark’s internal architecture works. Whether you’re running a job on your local machine or a massive cluster, Spark follows the same fundamental principles. Understanding these will help you write better PySpark code, optimize…
In this chapter, you’ll learn how to set up PySpark on your local machine, configure it for modern tools like Jupyter and VS Code, and optionally connect it to Hadoop. By the end of this tutorial, you’ll be ready to…
What is PySpark? PySpark is the Python API for Apache Spark, a powerful open-source distributed computing engine designed for large-scale data processing and analytics. It allows Python developers to interact with Spark’s core functionality—working with distributed datasets, running transformations, and…
Machine Learning (ML) is a subfield of artificial intelligence that enables computers to learn from data and make predictions or decisions without being explicitly programmed. It is at the heart of many modern technologies such as recommendation systems, autonomous vehicles,…
Data Science is the art and science of extracting insights from data. It blends techniques from statistics, mathematics, computer science, and domain knowledge to understand and interpret complex data. Python has emerged as the most popular programming language for data…
Web development is one of the most popular and dynamic fields in software engineering, and Python has cemented its place as a top choice for building scalable, maintainable, and powerful web applications. From creating basic websites to full-fledged RESTful APIs…
Working with dates and time is a common task in most applications — whether it’s logging events, scheduling tasks, analyzing historical data, or interacting with user input. Python offers a powerful suite of modules and classes that make handling time…
In the modern programming world, APIs (Application Programming Interfaces) play a central role in enabling communication between applications and services. Python, with its clean syntax and powerful libraries, offers robust tools for both consuming external APIs and creating your own.…