Feb 12 · 11 min read · MERN Stack Complete Guide: Build Production Apps in 2025 Modern web applications demand rapid development cycles, real-time data synchronization, and seamless scalability across distributed infrastructure. Teams choosing the wrong technology stack fa...
Join discussionFeb 12 · 3 min read · Given an array of integers arr, find the sum of min(b), where b ranges over every (contiguous) subarray of arr. Since the answer may be large, return the answer modulo 10<sup>9</sup> + 7. Problem Statement Given an array: arr = [3, 1, 2, 4] We want:...
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Feb 12 · 12 min read · In most languages, the stack and heap are two ways a program stores data in memory, managed by the language runtime. Each is optimized for different use cases, such as fast access or flexible lifetimes. Go follows the same model, but you usually don’...
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Feb 5 · 5 min read · In this article I intend to provide greater insight on how to Construct a MS. Many articles exist explaining its applicability. But constructing MS might be confusing. However, after reading this article reader will be able to intuitively design diff...
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Jan 22 · 6 min read · What is a Stack? A stack is a data structure where the last thing you put in is the first thing you take out. Key Rule: LIFO (Last In, First Out) Real-Life Examples of Stack Undo / Redo in a Text Editor We type A B C in text editor, A, B , C all a...
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Jan 14 · 6 min read · The gambling industry is undergoing a major transformation as blockchain technology and cryptocurrencies redefine how players engage with online betting platforms. Traditional casino models are being replaced by faster, more transparent, and globally...
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Jan 6 · 4 min read · Stack হচ্ছে একধরনের লিনিয়ার ডাটা স্ট্রাকচার যেখানে ডাটাগুলো টপ পজিশন থেকে ইন্সার্ট ও ডিলিট হয়। অর্থাৎ , এটি LIFO Principal ফলো করে। LIFO → Last In First Outঅর্থাৎ , সবার শেষে যে ঢুকবে সেই সবার শেষে বের হবে। আরেকটু সহজ উদাহারন দিয়ে বুঝানো যাক। ধরো , ত...
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Dec 23, 2025 · 3 min read · On a microcontroller, the heap is just a region of RAM used for dynamic allocation (e.g., malloc/new) at runtime. The big difference vs a PC is: RAM is tiny, there’s no OS to manage memory for you, and fragmentation can bite hard. 1) The memory map i...
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