
Compare Perplexity AI, ChatGPT, and Google for research. Discover which AI tool is best for academic research, fact-checking, market research, and learning new topics.
Master essential regular expressions with these five practical patterns for email validation, URL matching, phone numbers, password strength, and log parsing.
Learn the most common SQL mistakes that hurt developers in interviews and on the job. From missing indexes to SQL injection vulnerabilities, avoid these pitfalls to advance your career.
Learn how to build a production-ready RAG (Retrieval-Augmented Generation) chatbot using Next.js, Supabase with pgvector, and AI embeddings. Step-by-step tutorial for JavaScript developers.

Discover which AI assistant is best for your needs in 2026. We compare ChatGPT (GPT-5.2), Claude (Opus 4.5), and Gemini (3 Pro) across features, pricing, coding, writing, and more. Find your perfect AI match.

A comprehensive SQL quick reference covering SELECT queries, filtering, JOINs, aggregations, subqueries, CTEs, window functions, and data manipulation commands for daily use.
Discover advanced prompt engineering techniques that will transform how you use AI. Learn chain-of-thought prompting, role assignment, few-shot examples, and more to get dramatically better results from ChatGPT and other AI tools.

Learn what Supabase is, how it compares to Firebase, and why developers are choosing this open-source Backend-as-a-Service platform for their projects.
Learn what vector databases are, how they work under the hood, and why they're essential for AI applications. Understand embeddings, similarity search, and when to use vector databases vs traditional SQL.

JavaScript XML parsers block your JS thread and kill performance. Learn how to use native modules for fast, non-blocking XML parsing in React Native.
Discover how JavaScript developers can build production-ready AI agents without learning Python. Learn about autonomous agents, tool calling, RAG, and full-stack AI applications using Node.js, TypeScript, and the Vercel AI SDK.