Featured Tutorials
Build a Code Agent
Create an intelligent code agent with Langchain and powerful, codegen-powered tools
Visualize Your Codebase
Generate interactive visualizations of your codebase’s structure, dependencies, and relationships.
Mine Training Data
Create high-quality training data for LLM pre-training similar to word2vec or node2vec
Delete Dead Code
Remove unused imports, functions, and variables with confidence.
API Migrations
API Migration Guide
Update API calls, handle breaking changes, and manage bulk updates across your codebase.
SQLAlchemy 1.4 to 2.0
Update SQLAlchemy code to use the new 2.0-style query interface and patterns.
Flask to FastAPI
Convert Flask applications to FastAPI, updating routes and dependencies.
Python 2 to 3
Migrate Python 2 code to Python 3, updating syntax and modernizing APIs.
Code Organization
Organize Your Codebase
Restructure files, enforce naming conventions, and improve project layout.
Improve Modularity
Split large files, extract shared logic, and manage dependencies.
Manage TypeScript Exports
Organize and optimize TypeScript module exports.
Convert Default Exports
Convert between default and named exports in TypeScript/JavaScript.
Testing & Types
unittest to pytest
Convert unittest test suites to pytest’s modern testing style.
Increase Type Coverage
Add TypeScript types, infer types from usage, and improve type safety.
Documentation & AI
Create Documentation
Generate JSDoc comments, README files, and API documentation.
Prepare for AI
Generate system prompts, create hierarchical documentation, and optimize for AI assistance.
Each tutorial includes practical examples, code snippets, and best practices.
Follow them in order or jump to the ones most relevant to your needs.