Latest blogs
Fresh walkthroughs from our topic hubs covering architecture, delivery, and craft.
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All Combinations of Strings that Can Be Used to Dial a Number
When dealing with dialing a number, especially in the context of phone keypad mappings (where each digit is associated with a set of charac…
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Find Cube Pairs | Set 1 (An O(n) Solution)
In the world of algorithms and problem-solving, finding cube pairs is an interesting problem. Given an array of integers, we need to determ…
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Finding the Cubic Root of a Number
The cubic root of a number \(x\) is a value \(y\) such that \(y^3 = x\). For example, the cubic root of 8 is 2 because \(2^3=8\). Finding t…
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Generating One Time Passwords and Unique Identification URLs
In our digital age, security and unique identity verification are of utmost importance. Two common techniques used for these purposes are O…
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Sub-string Divisibility by 3 Queries
In the realm of competitive programming and algorithmic problem - solving, queries related to sub - string properties are quite common. One…
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K'th Boom Number
Boom numbers are a fascinating concept in number theory. A boom number is a number that contains the digit sequence "666" in it. For exampl…
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C++ Bitset: Interesting Facts
In the realm of C++, the `std::bitset` class template provides a convenient and efficient way to handle fixed-size sequences of bits. It of…
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Android | Running your first Android app
Android is the most widely used mobile operating system globally, powering billions of devices. Developing an Android app can be an excitin…
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Count Permutations that Produce Positive Result
In the realm of combinatorics and algorithmic problem-solving, counting permutations that meet a certain condition is a common and interest…
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Finding the Number of Digits in the n'th Fibonacci Number
The Fibonacci sequence is a series of numbers where each number is the sum of the two preceding ones, usually starting with 0 and 1. The se…
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Finding the Sum of Digits of a Number Until Sum Becomes a Single Digit
In programming and mathematics, there are often interesting problems that involve manipulating numbers. One such problem is finding the sum…
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All Ways to Add Parenthesis for Evaluation
In programming and mathematical expressions, adding parentheses can change the order of operations and thus the result of an evaluation. Th…
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Choice of Area: A Comprehensive Technical Guide
The choice of area is a crucial decision in various fields, from urban planning and real estate to software development and data analysis.…
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Multiplying a Number with 10 Without Using the Multiplication Operator
In programming, there are often situations where we need to perform arithmetic operations in unconventional ways. One such task is multiply…
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Time Complexity of a Loop When the Loop Variable Expands or Shrinks Exponentially
Time complexity is the backbone of efficient algorithm design. It helps us predict how an algorithm’s runtime scales with input size, allow…
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How to Prepare for Infosys - The Complete Guide
Infosys is one of the leading global consulting and IT services companies, known for its innovative solutions and high - quality work cultu…
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Minimum XOR Value Pair
In the field of algorithms and data structures, the problem of finding the minimum XOR value pair in a given array is both interesting and…
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Unleashing the Power of Aliases in SQL
In the realm of SQL (Structured Query Language), aliases are a powerful yet often under - utilized feature. They provide a way to give a te…
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Maximum Area of Triangle Having Different Vertex Colors
In the field of computational geometry, we often encounter problems that involve finding optimal geometric shapes under certain constraints…
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Program to Find the Root of an Equation Using the Secant Method
In numerical analysis, the process of finding the roots of an equation, i.e., the values of the variable for which the equation equals zero…
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Implementation of Binomial Heap
In the realm of data structures, heaps play a crucial role in solving a variety of problems, especially those related to priority queues. A…
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Minimum Swap Required to Convert Binary Tree to Binary Search Tree
Binary trees and binary search trees (BSTs) are fundamental data structures in computer science. A binary tree is a tree data structure in…
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Getting Started with Machine Learning || Machine Learning Roadmap
Machine Learning (ML) is a thrilling and dynamic branch of artificial intelligence that empowers computers to learn from data and make pred…
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Maximizing the Sum of an N x N Sub-Matrix from a Given 2N x 2N Matrix
In the field of data analysis and matrix operations, we often encounter scenarios where we need to extract and analyze specific sub - matri…
Topic collections
Each hub distills fundamentals, playbooks, and real-world workflows so you can keep shipping with confidence.
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Backend Web Dev
Architect resilient backend systems
Design APIs, orchestrate services, and instrument observability for production workloads.
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Frontend Web Dev
Deliver delightful user interfaces
Modern frameworks, accessibility-first design, and performance budgets for polished apps.
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DevOps & CI/CD
Automate software delivery
Pipelines, infra-as-code, and release strategies that keep deployments boring and safe.
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Data Structures & Algorithms
Sharpen your CS fundamentals
Core patterns, complexity tradeoffs, and hands-on walkthroughs to level up problem solving.
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C# Tutorial
Master C# and .NET workflows
Language basics, async patterns, and real-world examples for confident application development.
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Rust Tutorial
Build fearless Rust software
Ownership, concurrency, and ecosystem tooling explained through practical guides.