Feed
Pro
Search

Author

Write
Drafts

Bug0 - The AI-native e2e QA regression testing Bug0 Browsers - Cloud Chromium on demand, per-minute, live preview Passmark - The open-source AI framework for regression testing Hackathons Changelog Brand @hashnode on X Hashnode on LinkedIn Support - hello+support@hashnode.com Code of Conduct Terms Privacy Sitemap
Sign in

Search Hashnode

Search posts, tags, users, and pages

@sajjadalidev

Sajjad Ali

@sajjadalidev

Software Engineer

Lahore, Punjab, PAKJoined January 2026

About

Nothing here yet.

Available for

New Opportunities as a Frontend Engineer

Sajjad Ali's blogs

Sessions vs JWT vs Cookies: Understanding Authentication Approachessessions-jwt-cookies-sajjadalidev.hashnode.dev2 posts

How Git Works: Inside the .git Folderhow-git-works-inside-the-git-folder.hashnode.dev1 post

Master Git: Basics & Core Commandsmaster-git-basics-and-core-commands.hashnode.dev1 post

DNS Record Types Explainedsajjadalidev.hashnode.dev1 post

Master Emmet: Write HTML Faster Nowsajjadalidev-lear-emmet-toolkit-to-write-code-faster.hashnode.dev1 post

About

Nothing here yet.

Available for

New Opportunities as a Frontend Engineer

Sajjad Ali's blogs

Sessions vs JWT vs Cookies: Understanding Authentication Approachessessions-jwt-cookies-sajjadalidev.hashnode.dev2 posts

How Git Works: Inside the .git Folderhow-git-works-inside-the-git-folder.hashnode.dev1 post

Master Git: Basics & Core Commandsmaster-git-basics-and-core-commands.hashnode.dev1 post

DNS Record Types Explainedsajjadalidev.hashnode.dev1 post

Master Emmet: Write HTML Faster Nowsajjadalidev-lear-emmet-toolkit-to-write-code-faster.hashnode.dev1 post

Articles Comments

Recently published

SASajjad Aliinnodejs-handle-multiple-request.hashnode.dev·Apr 28 · 3 min read

How Node.js Handles Multiple Requests with a Single Thread

Node.js is famously efficient, but it often confuses newcomers: how can a language that only does one thing at a time handle thousands of simultaneous users? The secret isn't in doing everything at on

SASajjad Aliinsessions-jwt-cookies-sajjadalidev.hashnode.dev·Apr 28 · 4 min read

URL Parameters vs Query Strings in Express.js

When building APIs with Express.js, you need structured ways to capture data sent by clients. URL parameters and query strings are the two fundamental methods for passing this data. While both send in

SASajjad Aliinsessions-jwt-cookies-sajjadalidev.hashnode.dev·Apr 28 · 3 min read

Sessions vs JWT vs Cookies: Understanding Authentication Approaches

Choosing the right authentication strategy is a cornerstone of modern web development. Whether you're building a simple blog or a high-traffic microservices architecture, understanding the trade-offs

SASajjad Aliinasync-code-in-nodejs-sajjadalidev.hashnode.dev·Apr 28 · 3 min read

Node.js Async: Callbacks to Promises

Node.js is designed to be highly scalable, and its asynchronous nature is the foundation of that efficiency. Understanding how Node.js handles tasks allows you to write non-blocking code that performs

SASajjad Aliinlinux-file-system-hunting-sajjadalidev.hashnode.dev·Apr 22 · 3 min read

Linux File System Hunting

A Beginner’s Guide to Hunting Through the Linux File System The Linux file system can feel like a labyrinth if you are coming from Windows or macOS. Instead of drive letters like C: or D:, everything