In this comprehensive guide, you'll master essential SQL queries to ace your database-related interviews. Covering everything from basic commands like showing databases and creating tables to more advanced operations such as join queries and data manipulation, this blog provides detailed examples and observations to enhance your understanding. Whether you're a beginner looking to learn the ropes or an experienced developer aiming to refine your skills, this resource is designed to equip you with Read More
Are you ready to delve into React.js and elevate your skills through practical projects? This guide offers a roadmap from beginner to advanced levels, packed with a series of real-world applications designed to reinforce your React knowledge. Explore foundational concepts through projects like to-do lists and weather apps, advance to handling APIs, complex state management, and culminate with full-stack integrations. Elevate your React.js expertise by learning through doing! Read More
Explore the most efficient Sorting Algorithms for Competitive Programming and Interviews. Learn about Bubble Sort, Quick Sort, Insertion Sort, Selection Sort, Merge Sort, Radix Sort, Count Sort, Bucket Sort, Shell Sorting, DNF Sort, Pancake Sort, and Tim Sort. Master the art of sorting with our in-depth guide. Read More
This document discusses various variants of the problem of dividing n balls into *m* boxes. Markdown styles and MathJax have been added to improve readability and to display mathematical equations correctly. Read More
Enhance your dynamic programming skills with our comprehensive collection of Linear DP problems from Leetcode, categorized by difficulty level and accompanied by detailed editorials" Read More
Become a Tree Algorithms expert with our comprehensive solutions for CSES and various problem sets. Prepare for competitive programming and interviews like a pro! Read More
Explore efficient solutions and master essential algorithms for CSES Graph problems in the CSES Problem Set. I have tried to cover most of the problems here. Read More
Explore efficient solutions to the Sorting and Searching section in the CSES Problem Set. Master essential algorithms and optimize your code for optimal performance. Read More
Explore efficient solutions to dynamic programming problems from the CSES problem set and other reputable sources. Improve your algorithm optimization skills and enhance your competitive programming and interview preparation Read More
This blog provides short notes on operating systems, covering various topics such as types of operating systems, CPU scheduling algorithms, process synchronization, deadlock, memory management, paging, and disk scheduling. Read More
Learn how to smoothly transition from JavaScript to TypeScript and unlock the benefits of static typing, improved code organization, and enhanced error detection during the development process. Read More
Discover important problems related to Modified Binary Search that commonly arise in technical interviews. Binary Search is a vital algorithm utilized for efficient searching of a target element in a sorted array. This blog delves into key problem variations, effective strategies, and potential pitfalls, equipping aspiring tech interviewees with essential knowledge to confidently tackle Binary Search challenges. Read More
Uncover essential challenges and solutions related to heaps, a fundamental data structure commonly tested in interviews. This informative article delves into significant problems including heap construction, insertion, deletion, and heap sort. Explore efficient algorithms and clever techniques to optimize heap operations and handle edge cases proficiently. Enhance your understanding of heaps and elevate your problem-solving skills, equipping you for triumph in coding interviews. Read More
Explore the essential challenges of sliding window methodologies in this comprehensive blog. Gain valuable insights into the complexities involved and discover effective strategies for overcoming obstacles in data processing. Enhance your understanding of sliding window techniques, equipping yourself with the knowledge needed to tackle these critical problems with confidence during interviews and competitive programming challenges. Read More
Discover how to excel in solving interval overlapping problems in competitive programming, which revolve around manipulating and determining overlaps between intervals (ranges). This article guides you through the process of designing efficient algorithms to tackle these problems effectively. Learn key techniques such as sorting intervals based on start or end points and traversing them to identify overlaps, empowering you to confidently solve overlapping interval problems in competitive program Read More
Unlock the potential of the Two Pointer Approach with this comprehensive guide. Explore a curated selection of problems that harness the efficiency of this technique to solve a wide range of coding challenges. From basic tasks like finding pairs with a given sum to more complex problems like three-sum variants and array transformations, this guide offers real-world examples, detailed explanations, and comprehensive solutions. Sharpen your skills and gain confidence in tackling coding challenges Read More
Codechef Contest Starters provide an excellent platform for budding programmers to test their coding skills and enhance their problem-solving abilities. In this blog post, we will delve into the solutions of the problems from Codechef Contest Starters 91 Div 2. By understanding these solutions, you can sharpen your coding prowess and gain valuable insights into tackling similar challenges in the future. Read More
Learn essential strategies for scaling your web application's database to accommodate a growing user base of 10 million users. Scaling databases can be achieved through two primary methods: vertical scaling and horizontal scaling. This article provides valuable insights into selecting the most suitable approach based on your database technology and application requirements, ensuring seamless scalability for your web development projects. Read More
Discover the power of the Sparse Table, a highly efficient data structure for answering range queries on static arrays. This blog explores its applications in solving frequent range queries, such as finding the minimum, maximum, sum, or any other associative operation over a subarray. With a preprocessing time complexity of O(n log n) and an impressive O(1) time complexity for range queries, the Sparse Table is a valuable tool in scenarios where the array is static or undergoes infrequent change Read More