Unlocking the Secrets of Tech
When it comes to database performance, understanding how Write-Ahead Logging (WAL) works is like knowing the secret sauce of database reliability. As a software engineer who’s battled database challenges for over a decade, I’m here to break down the epic face-off between PostgreSQL and MySQL’s update mechanisms. 🛠️ What Exactly is Write-Ahead Logging (WAL)? 📝 Imagine WAL … Read more
Introduction Hey there, fellow tech enthusiasts! After spending over a decade building and optimizing database systems, I’m excited to share my insights about one of the most fascinating data structures in modern computing – the Log-Structured Merge Tree (LSM Tree). What is an LSM Tree? 🤔 An LSM Tree is a data structure designed to … Read more
As a software engineer who’s been in the trenches for over a decade, I’ve handled countless file uploads to Amazon S3. Today, I’ll share everything you need to know about uploading files to S3 using Node.js, complete with practical examples and best practices. 📌 Table of Contents 🎯 Basic S3 Upload Let’s start with the … Read more
![How to Build a Smart Order Fulfillment System with MongoDB & Node.js [2024 Guide]](https://devnotes.tech/wp-content/uploads/2024/11/warehouse-management.jpg "How to Build a Smart Order Fulfillment System with MongoDB & Node.js [2024 Guide]")
Hey there, fellow developers! After spending over a decade architecting e-commerce systems, I’ve learned that efficient order fulfillment can make or break your business. Today, I’m excited to share how you can build a smart system that automatically fulfills orders from the nearest warehouse using MongoDB and Node.js. TL;DR: We’ll create a system that finds … Read more
Hey there, fellow code wranglers! After spending over a decade wrestling with JavaScript modules, I’ve got some insights that’ll save you hours of head-scratching. Let’s break down the epic battle between require vs import – two module loading techniques that have shaped modern JavaScript development. Why Module Systems Matter 🧩 Back in the wild west … Read more
Ever wondered how databases magically retrieve data in milliseconds? The secret sauce is B-tree indexes – the unsung heroes of database performance! As a software engineer who’s battled database performance challenges for over a decade, I’m excited to pull back the curtain on these incredible data structures. The B-Tree: Your Database’s High-Performance Navigator 🗺️ Imagine … Read more
Hey there, fellow coders! Today, we’re diving deep into one of the most fascinating algorithmic challenges I’ve encountered in my 10+ years of software engineering – the 3 Sum problem. Whether you’re preparing for tech interviews or just love solving puzzles, this one’s a real brain-teaser that’ll level up your problem-solving game. What is 3Sum? … Read more
As a software engineer with over a decade of experience and countless technical interviews under my belt, I can tell you that the two-pointer technique is one of those algorithmic patterns that’ll make you feel like a coding wizard. Let’s dive into this elegant approach that can turn complex array problems into manageable solutions. What … Read more
Hey there, fellow tech enthusiasts! 👋 After spending over a decade wrestling with cloud storage solutions, I’ve learned that managing data in AWS S3 is like organizing your garage – it’s all fun and games until you realize you’re paying to store holiday decorations from three years ago! Today, let’s dive into S3 lifecycle policy, … Read more
Listen up, fellow developers! After spending countless hours optimizing web applications over the past decade, I can confidently say that the AWS CloudFront S3 combo is a game-changer. Let’s dive into how these services work together to make your websites blazing fast. What’s the Deal with CloudFront and S3? 🤔 Think of Amazon S3 as … Read more