Claude Code is the most powerful AI coding tool available today. But most developers use maybe 20% of what it can do. They type a prompt, get code back, and move on. This article shows you the other 80%. The patterns, commands, and workflows that separate casual users from power users. If you have not set up Claude Code yet, start with the Claude Code Setup Guide. This article assumes you can already run claude in your terminal and have used it for basic tasks. ...

Before you can run any containers, you need to install Docker. This tutorial covers every installation option: Docker Desktop for macOS and Windows, and Docker Engine for Linux servers. Last updated: June 2026. Docker pricing and features change frequently. Always check docker.com/pricing for the latest information. Docker Desktop vs Docker Engine There are two main ways to run Docker: Docker Desktop is a GUI application for macOS and Windows. It includes Docker Engine, Docker CLI, Docker Compose, built-in Kubernetes, and a visual dashboard. It is the easiest way to get started. ...

Vibe coding is powerful. It makes you faster. But if you use it for everything, you will build fragile software, miss critical bugs, and slowly lose the skills that make you a good developer. This article is the honest guide. Six situations where you should NOT vibe code — and what to do instead. If you are new to vibe coding, start with What is Vibe Coding? first. This article assumes you already know the basics. ...

You have read about vibe coding. You have picked your tool. Now it is time to actually do it. This article walks you through a complete vibe coding session — step by step, with real prompts and real AI output. We will build a working CLI tool from nothing. By the end, you will understand the core cycle of vibe coding: prompt, review, test, iterate. If you have not set up your tools yet, read the Claude Code Setup Guide or install Cursor first. For help choosing, see Choosing Your AI Coding Tool. ...

Docker is the most popular containerization tool in the world. According to the 2025 Stack Overflow Developer Survey, Docker is one of the most widely used tools among professional developers, with usage continuing to grow year-over-year. But what is Docker? And how is it different from a virtual machine? In this tutorial, you will learn what Docker is, how containers work, and why developers use Docker for everything from local development to production deployments. ...

You want to start vibe coding. You have read the guides. You are ready. But there are three major tools — Claude Code, Cursor, and GitHub Copilot — and everyone has a different opinion about which one is best. Here is the truth: the best tool depends on how you work, what you build, and how much you want to spend. This article helps you make that choice. If you want a feature-by-feature comparison, read our Cursor vs Claude Code vs Copilot article first. This article goes deeper — it covers stacking tools together, budget tiers, and newer tools entering the market. ...

Every time you type a web address and press Enter, a hidden lookup runs before the page even starts loading. Your computer does not know where the website lives. It only knows its name. This post explains exactly how DNS turns that name into a number your computer can connect to. In simple steps. The Problem: Names vs Numbers Every device on the internet is reached by an IP address — a number like 142.250.72.196. Routers move traffic using these numbers, not words. ...

In February 2025, Andrej Karpathy posted a simple tweet. He described how he codes now — just talking to AI, accepting whatever it produces, and barely reading the code. He called it “vibe coding.” That tweet changed how millions of developers think about writing software. This guide goes deep. If you want the short version, read What is Vibe Coding? first. This article explains the full picture — the mindset, the methodology, and how to actually do it well. ...

This is the final article in the DevTools series. In the previous 17 articles, you learned Git, Docker, and SQL separately. Now you will use all three together to build and deploy a real project. We will build a simple task management API with a PostgreSQL database. You will set up a Git repository with feature branches, write the API, Dockerize everything, add a CI/CD pipeline with GitHub Actions, and deploy it to a server. ...

You have been practicing with SQLite. It is great for learning. But for real projects, you need a real database. PostgreSQL (often called “Postgres”) is the most popular open-source relational database. It is used by companies of all sizes, from startups to enterprises. In this article, you will set it up, connect to it, and learn its unique features. In the previous article, you learned about indexes and performance. Now you will put everything together with a production-ready database. ...