Sharafath Ali

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My Node.js Server Was Leaking Memory in Production. Here's How I Found It.

Jun 8, 20269 min read

PostgreSQL Connection Pooling Explained: How It Works and Why It Matters

May 27, 202621 min read

My PostgreSQL query went from 57ms to 1.4ms on a 1 million + row table. I didn't change the query. Here's what I did.

I was debugging a slow query on a users table with 1 million rows. EXPLAIN ANALYZE showed 57ms. I ran one SQL statement — didn't touch the query, didn't change the schema logic — and it dropped to 1.4

Jun 13, 202610 min read

Understanding Value vs. Reference in JavaScript: Differences Between Primitives and Objects

Jan 29, 20255 min read

Shallow vs. Deep Comparison in JavaScript: Unlocking React’s Performance Secrets

Jan 28, 20255 min read

Exploring Object Creation in JavaScript: A Complete Guide

In JavaScript, creating objects is as fundamental as breathing in the coding world. But did you know there are multiple ways to do it? Each method has its quirks and shines in different scenarios. Let

Jan 19, 20256 min read

The Object Nature of JavaScript: Discover Why Almost Everything Is an Object

If you’ve ever dived into JavaScript, you might have come across this quirky idea: everything, except primitives, is an object. And if you’re anything like me, your first reaction might have been, “Wa

Jan 17, 20255 min read

Beginner's Guide to React useRef: Understand with Clear, Practical Examples

When working on a React app, have you ever felt like you needed a way to keep track of something without React jumping in and saying, “Hey, let me re-render that for you”? That’s where useRef comes to

Jan 13, 20255 min read

Learn TypeScript: The Ultimate Guide for JavaScript Beginners

An Introduction to TypeScript TypeScript is a superset of JavaScript developed by Microsoft that adds the power of static typing to JavaScript. This means you can define variable types (like strings,

Jan 10, 20258 min read

Enhance React Performance: Avoid Unnecessary Re-renders Using React.memo, useMemo, and useCallback

React is a powerful library for building dynamic user interfaces, but sometimes its default behavior can lead to inefficiencies. One such behavior is the re-rendering of child components whenever a pa

Jan 9, 20257 min read

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