Hamidul Islam
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100% Hardware Utilization Guide: The Complete Guide to CPU, I/O, Memory, and Network Optimization
Complete performance optimization guide covering CPU, I/O, memory, and network bottlenecks. Learn profiling, parallelization, caching, and production patterns.
performance optimization
CPU-bound optimization
I/O-bound optimization
Oct 31, 2025
55 min read
When Atoms Meet Algorithms: How sum = 10 + 5; Travels through My Laptop
I want my code to be the best in the world, so I’m diving deep inside my computer to understand exactly what happens when I write one line of code, and how **I can optimize every step
computer-architecture
digital-logic
transistors
Oct 18, 2025
7 min read
🚀 Master System Design Hack: Build Any Architecture Layer by Layer
Skip the chaos of memorizing 100+ patterns. This framework shows you how to design systems by layers—from edge to storage—picking just 1–2 proven patterns per layer, running quick capacity calculations, and starting with the simplest implementation first. Perfect for interviews and real-world production: scale, availability, and security come naturally as you iterate.
system design
scalability
high availability
Aug 29, 2025
11 min read
The Complete Guide to Programming Principles: From Beginner to Expert
Master all essential programming principles with practical examples in TypeScript. A comprehensive guide covering SOLID, ACID, Clean Code, Architecture, and more.
programming
best-practices
software-engineering
Jun 6, 2025
37 min read
Next.js Feature-Based Architecture Guide
A comprehensive guide to scalable domain structure with TypeScript
nextjs
typescript
architecture
Jun 1, 2025
15 min read
The Limits of Human Knowledge: How Far We Can Go
We chase knowledge endlessly — from science to the stars — but what are the boundaries we can never cross? Explore the ultimate limits of human understanding and what may be humanity's final invention — all through the lens of the Qur’an
QuranicWisdom
SignsOfTheHour
SpiritualLimits
Apr 23, 2025
3 min read
JavaScript Fundamentals to Master for React Development
React itself isn't a complete departure from JavaScript; rather, it's a library that embraces modern JavaScript patterns. Strengthening your understanding of these patterns will make you more effective with React.
javascript
react
web development
Mar 28, 2025
5 min read
Professional HTML Styling: The Ultimate Guide to Accessible UI
As a frontend engineer with over a decade of experience working on enterprise applications, I've observed that the gap between amateur and professional UI development often comes down to a handful of critical styling principles. Let's dive into what makes enterprise-level HTML styling different.
HTML
CSS
WebDesign
Mar 27, 2025
12 min read
The Ultimate Guide to Multi-Tenancy in Next.js: Building Scalable SaaS Applications
Building a multi-tenant Next.js application requires careful planning and implementation, but the benefits in terms of scalability, maintainability, and resource efficiency make it worthwhile for SaaS applications.
next.js multi-tenancy
saas architecture next.js
subdomain multi-tenant
Mar 24, 2025
26 min read
The Ultimate Guide to Component Building: 15 Rules That Google Engineers Swear By
Master the art of component architecture with these expert-level rules that will transform how you build web applications. From atomic design to performance optimization, this comprehensive guide covers best practices that both beginners and senior developers need to know.
component design
web development
React
Mar 21, 2025
18 min read