Step-by-Step Practical Guides
Learn to use the best AI tools in 15 minutes or less. New guides added daily.
Use Codex to write code on the web with AI agents
In this tutorial, you'll learn how to use OpenAI's Codex to make your first code change in a GitHub repository without writing a single line yourself. By the end, you'll know how to connect a repository, plan your changes, let AI agents handle the implementation, and open a pull request from start to finish.
How to Build Your Own AI Assistant with Gemini Gems
Google now lets anyone build a custom AI assistant in minutes - no coding required.The feature, called Gems, runs on Google's Gemini platform and is free to use. You give it a name, describe how you want it to behave, and upload any knowledge files it should reference. That's it.The practical applications are immediate: a writing assistant tuned to your style, a research helper for a specific domain, a customer service bot trained on your FAQ. What previously required developer time and API integrations now takes a five-minute setup.
How to create prompts that feel like magic
Most people are still writing prompts wrong. This guide shows how to structure a prompt so it works like magic. Follow this structure and you'll get sharper and more consistent results.