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 more

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 behavior 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 more

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 more

Understanding the Modulo Operation

In programming and mathematics, the modulus operator (%) plays a very important role but often gets overlooked. It’s a simple yet powerful tool once you know how to use it. Let’s dive into what it is, how it works, and where it is commonly used. What is Modulo? Modulo (often written as % in programming) … Read more

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 Array Reverse an Array Array Rotation Method 1: Using Mod (%) Consider it as a circular array and use the property of mod, which … Read more

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 more

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 more