Object-Oriented Programming (OOP) in JavaScript: A Complete Guide with Real-World Examples
Object-Oriented Programming (OOP) is one of the most widely used programming paradigms in modern software development. Whether you're building a simpl…
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25. Build Your Own API
BootCamp by Dr.Angela 1. Building Your Own APIs You can build your own APIs using frameworks like Node.js + Express. API Platforms RapidAPI : Marketpl…
The Complete Retrofit Lifecycle in a Real Android App
Most Retrofit tutorials show you isolated code snippets. This article traces the entire lifecycle of a Retrofit call — from app startup to data appear…
How I Built Production-Grade AI Systems While Still a Student
🚀 Hello, DEV Community! I'm Nader Al Shawki , a final-year AI Engineering student at Al-Razi University, Yemen. This is my first post here, and I'm ex…
Clean API Design in Node.js: A Practical Guide
Most Node.js APIs start the same way. A server.js file. A few routes. Maybe an app.js if you've read a tutorial. Everything in one place because the a…
Your First App Idea Is Hiding in a Group You Already Belong To
The worst place to look for your first app idea is nowhere. That sounds obvious, but it is what a lot of people do. They sit down, open a notebook, st…
Project-FB login Page
FACEBOOK Login Page Today i am going to share about my new project. Facebook login page at first it look easy but as a beginner its bit tough to maint…
Your Postgres will die at 50 concurrent users, not 50,000. Here is the connection pooling guide nobody handed you.
Disclosure: I am a senior backend tech lead in Paris and I run HostingGuru, a small European PaaS for solo founders and small teams. This article ment…
Wildcard DNS Records: Uses, Risks, and Best Practices
A single DNS record can answer for an unlimited number of subdomains. Add one wildcard entry, and suddenly anything.yourcompany.com , literally-anythi…
Is DevOps Worth Learning in 2026? An Honest Answer for Indian Freshers
Key Takeaways Yes, DevOps is worth learning in 2026 but only if you approach it with the right stack, not just theory. Freshers can realistically star…
How Recruiters Scan Resumes in 6 Seconds (What They Actually Look For)
How Recruiters Scan Resumes in 6 Seconds (What They Actually Look For) Most job seekers imagine recruiters carefully reading every word on their resum…
AI Isn't the Tool Anymore : You Are
Two years ago, I used AI the same way most people did, as a fancy search engine. It felt like a novelty. Fast forward to today, and that relationship …
Day 31 of learning MERN Stack
Hello Dev Community! 👋 It is officially Day 31 — stepping straight into my second month of documented full-stack engineering! Fresh off the 30-day mil…
While My Friends Were Playing Games, I Was Pressing BREAK
How a curious kid with a ZX Spectrum became an engineer who builds AI from scratch When I was a kid in the early '90s, every boy in my class dreamed a…
Picking a Phone Verification Method: SMS, Flash Call, Phone Call, and Data Verification
When your app needs to confirm that a user actually owns the phone number they gave you, the pattern looks the same from the outside: send something t…
Build a Private AI App Platform with Dify and Ollama
Build custom AI apps - chatbots, RAG pipelines, and agents - entirely on your own hardware with Dify and Ollama. No monthly fees, no data leaving your…
CKA Overview & Exam Pattern: The Kubernetes Certification That Actually Tests Your Skills
🚀 CKA Exam Overview: What Every Kubernetes Engineer Should Know Before Starting If you're working in DevOps, Cloud Engineering, Platform Engineering, …
HLD Fundamentals #1: Network Protocols
Network Protocols Network protocols define how computers communicate over a network. Whether you're opening Instagram, sending a WhatsApp message, wat…
I Built a Developer Tool in 2 Days. Distribution Took 2 Weeks and Still Counting.
This isn't a success story. It's an honest account of what it actually feels like to build something real from India and try to get the world to notic…
Coder, Programmer, and Software Developer: Understanding the Journey
Many people use the terms coder, programmer, and software developer interchangeably. While they overlap, they represent different levels of responsibi…
10 API and Database Blunders Every Beginner Makes (and How to Fix Them Before Production Bites Back)
You wrote your first REST endpoint. You ran your first SELECT * . Things worked. Life was good. Then a colleague casually mentioned "idempotency key,"…
The First Message Sent Over the Internet Was 'LO'
The first message ever sent across the network that became the internet was not "Hello, world." It was not a grand declaration. It was two letters, tr…
CSS box-shadow: The Complete Guide to Multi-Layer Shadows
The box-shadow property is one of the most underused tools in CSS. Most developers use it for a single subtle drop shadow and stop there — but the ful…
RAG (Retrieval-Augmented Generation) Explained for Beginners: Build AI Applications Using Your Own Data
Introduction Large Language Models (LLMs) such as ChatGPT, Gemini, and Claude are incredibly powerful. They can answer questions, generate code, summa…
Weekly Dev Log 2026-W09
🗓️ This Week Completed the SwiftUI app development tutorial and tested the app I built on a real iPhone🦾 Learned the overall flow of building an iOS a…
Hello IT World! Why I’m "Learning in Public" at sandycodesdev 🚀
Hey guys! 👋 My name is Sandeepa (but you can call me Sandy). I’m a third-year software engineering undergraduate student at SLIIT. If you are reading …
Low-Level System Design (LLD) in Java: A Beginner's Guide
Introduction When preparing for software engineering interviews, many developers focus heavily on Data Structures and Algorithms. However, as you move…
🚀 AWS VPC Project: Build a Production-Ready Architecture with EC2, ALB, ASG & Bastion Host
In the previous articles, we learned about: VPC subnets Internet Gateway Route Tables Security Groups Network ACLs DNS and Route 53 Until now, we have…
Mixture of Experts (MoE) Explained Simply: How Modern AI Models Get Bigger Without Getting Slower
Hello, I'm Shrijith Venkatramana. I'm building git-lrc, an AI code reviewer that runs on every commit. Star Us to help devs discover the project. Do g…
Prompts to Production — A Full Stack Application by Sonnet with Catalyst
If you're anything like me, you think vibe coding is the most overhyped term in software development right now. Not because it doesn't work. But becau…