Hello, DEV! My Journey Into Software Development Starts Here
👋 Hi, I'm Muhammad Nouman Ijaz — and This Is My First Post on DEV! Every developer has a story, and this is the beginning of mine being shared publicl…
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Your First Java Application — Running Code End to End
You've installed Java. You've written your first "Hello World" class. Now comes the part that actually matters: turning that file into a running progr…
Foundation vs. Instruct vs. Chat Models: One Question, Three Answers
A hands-on tutorial you can run for free in Google Colab. Run it yourself: open foundation_instruct_chat_tutorial.ipynb in Google Colab and run every …
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…
JWKS explained: what every developer should know
When it comes to security, certificates are used everywhere since the early days of the web. While storing them in PEM/DER format has always been comp…
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…
Returning Multiple Values from Functions in Swift
When you want to return a single value from a function, you write an arrow and a data type before the opening brace: func isShinobi ( name : String ) …
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…
HTTP vs HTTPS — What Actually Happens When You Visit a Website
By Sailee Shingare | M.S in Computer Science, Northern Illinois University Every time you visit a website, your browser and the server have a conversa…
Freelancing Got Easier When I Stopped Carrying the Whole Project in My Head
When people imagine freelancing, they usually picture freedom. Flexible schedule. Working for yourself. Laptop life. Coffee shop mythologies. The usua…
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…
What is DevOps? A Plain English Guide
Pipeline & Prompts | Byte size guides on DevOps, Cloud and AI Ever Wondered How Netflix Never Seems to Go Down? Think about this for a second. Net…
Why I Stopped Pretending to Know Everything (and Started Asking "Dumb" Questions)
Not long ago, I was in a meeting where someone said, "We'll just validate that through the API layer." I nodded along, as if I knew exactly what that …
PCM Audio Explained: How Sound Becomes Numbers
Whenever you listen to a WAV file, record audio through a microphone, or process speech data for machine learning, you are likely working with PCM aud…
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…
Your .env file is probably already in your Git history. The 15-minute audit (and the 5 habits that stop new leaks for good).
Disclosure: I am a senior backend tech lead in Paris and I run HostingGuru, a small European PaaS. This article mentions HostingGuru once near the end…
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…
ATS-Friendly Resume Tips: How to Beat the Bots and Reach a Human Recruiter (2026)
You applied to 30 companies. Heard back from none. Your skills match the job description. Something is wrong. Most likely culprit: ATS — the invisible…
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…
10 Git Commands I Wish I Learned Sooner
We all learn Git the hard way. You start with add , commit , push — and that works until the day you accidentally commit to main or delete a branch yo…
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…
Building Groupie Tracker in Go
As part of my apprenticeship at Zone01 Kisumu, my team and I built Groupie Tracker — a web app that fetches live music artist data from an external AP…
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…
Docker Security Best Practices for Beginners
Docker is a game-changer for developers—making it easier to package, ship, and run applications. But with great power comes great responsibility. Whet…
Day 29 of learning MERN Stack
Hello Dev Community! 👋 It is officially Day 29 of my journey to master the MERN stack! Tomorrow marks a full month of consistency, and today I wrapped…
3 Basic JavaScript concepts to start your React Journey: Part 1
As the title suggests, we're going to look at three fundamental JavaScript concepts that will help you start your React learning journey. These aren't…
What Are the Basic Concepts of Coding? A Complete Beginner's Guide
Have you ever wondered how websites, mobile apps, video games, or even calculators work? Behind all of these technologies is something called coding .…
Give Your Local AI Tool-Calling Superpowers with Open WebUI and MCP
Want a ChatGPT-like experience where your AI can search the web, read your files, query databases, and run code? Open WebUI + MCP makes it possible - …