Developer Fundamentals
The essentials every modern developer needs. From landing your first job to mastering REST APIs, vector databases, and the web technologies powering 2026.
All Guides
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Career & Getting Started
Career Change to Developer: Your Step-by-Step Guide
Realistic timeline, costs, paths (self-taught vs bootcamp), and how to land your first developer job.
Frontend Developer Roadmap 2026: 6 Months to Job-Ready
Month-by-month plan from HTML to React — everything you need to be job-ready in 6 months.
Web Development Trends 2026
AI-assisted coding, React Server Components, edge computing, TypeScript — what's shaping the modern web.
Web Fundamentals
Learn JavaScript for Beginners: Complete 2026 Guide
Variables, functions, DOM, async/await — everything you need to launch your web dev career.
TypeScript vs JavaScript: When to Use Each in 2026
Key differences, when each is the right choice, and how to migrate safely.
REST API Tutorial: Build & Test APIs Like a Pro
REST design, HTTP methods, authentication, and testing with Node.js and real code examples.
JSON Format Tutorial: Complete Guide for Developers
Syntax, data types, nested structures, and parsing in JavaScript and Python.
Regex Tutorial: Regular Expressions Explained
Syntax, patterns, groups, and lookaheads with real-world examples in JavaScript and Python.
Developer Tools
Vector Databases & AI Search
What is a Vector Database? Complete Beginner's Guide
How embeddings and similarity search work, and why RAG depends on a vector database.
ChromaDB Tutorial: The Complete Beginner's Guide (2026)
Collections, embeddings, metadata filtering, persistence, and RAG pipeline integration in Python.
Pinecone vs ChromaDB vs pgvector: Which Vector DB to Use?
Side-by-side comparison: setup, cost, performance, and a clear decision framework.
Build a Semantic Search Engine from Scratch
Document ingestion, text chunking, sentence-transformer embeddings, and ChromaDB in Python.
Vector Database Optimisation: Chunking & Scaling
Advanced chunking strategies, HNSW index tuning, embedding model selection, and hybrid search for production.
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