Complete Guide to Matrices

Matrices are fundamental data structures in computer science and mathematics. In competitive programming, matrices are widely used in problems involving 2D grids, dynamic programming, graph algorithms, geometry, and simulations. Basics of Matrices in Python Python doesn’t have a native matrix type. A matrix is typically represented as a list of lists: Concepts Matric Representation Initialisation … Read full article: Complete Guide to Matrices

The Ultimate Beginner’s Guide for Competitive programming Part 1

Competitive programming or sport programming is a mind sport involving participants trying to program according to provided specifications. Recursion Recursion is one of the most powerful and elegant tools in programming or even in competitive — but it can seem confusing at first. In this guide, you’ll learn what recursion is, how to identify recursive … Read full article: The Ultimate Beginner’s Guide for Competitive programming Part 1

Understanding Python Decorators: A Powerful Tool for Clean and Reusable Code

Python decorators are one of the language’s most powerful and expressive features. They allow you to extend and modify the behaviour of functions or classes without changing their actual code. This article will cover everything you need to know to understand, write, and use decorators effectively. What is a Decorator? In Python, decorators are a … Read full article: Understanding Python Decorators: A Powerful Tool for Clean and Reusable Code

Linked List: A Complete Guide

linked list

Linked Lists are one of the most fundamental data structures in computer science. Understanding their operations is crucial for interviews, system designs, and efficient programming. In this article, we’ll explore what a linked list is, and walk through all the key operations step-by-step. What is a Linked List? A Linked List is a linear data … Read full article: Linked List: A Complete Guide

Coding Level 1

Modulo % Example to show the modulus operator: Refer Extract Last Digit(s) of a Number Digit separation Reverse a number Decimal to binary Using Bitwise Refer Binary to Decimal Using bitwise Note: Both will work Both + and | work here because after shifting the last bit is 0, so no carry occurs. But | … Read full article: Coding Level 1

Mastering asyncio and Background Tasks

Python’s asyncio is a powerful library for writing concurrent code using the async/await syntax. It’s great for I/O-bound operations like network calls, database access, or file I/O—basically anything where your program waits on something. What is asyncio? asyncio lets you write concurrent code in Python using the async/await syntax. This is perfect when you want … Read full article: Mastering asyncio and Background Tasks

The Complete Guide to the ELK Stack (Elasticsearch, Logstash, Kibana)

ELK

The ELK Stack—comprising Elasticsearch, Logstash, and Kibana—is one of the most popular log management and data analytics stacks today. Developed and maintained by Elastic.co, it enables organizations to collect, process, analyze, and visualize data from multiple sources in real-time. In recent years, the ELK Stack has evolved into the Elastic Stack, which also includes Beats—lightweight … Read full article: The Complete Guide to the ELK Stack (Elasticsearch, Logstash, Kibana)