#Python

Extract Structured Data from Documents with Claude Tool Use and Pydantic

Build a Python pipeline that sends invoice PDFs or images to Claude, forces a structured response via tool use, and returns a fully validated Pydantic model.

Tutorial · 1mo ago0

Ditch pip and pyenv: Manage Your Entire Python Toolchain with uv

One Rust-powered tool replaces pip, pip-tools, and pyenv. Learn to install Python versions, create virtual environments, and lock dependencies in minutes.

Tutorial · 1mo ago0

The Elegant Razor of Norvig’s Lispy

Why a 130-line Python script from 2010 remains the ultimate masterclass in language design and domain-specific engines.

Article · 1mo ago0

Profile and Fix a Slow Python Service Using py-spy Flame Graphs

Attach py-spy to a live process with zero code changes, read the flame graph to pinpoint an O(n²) bottleneck, and verify a 1000x+ speedup — all without restarting your service.

Tutorial · 1mo ago0

Analyze Images and PDFs with Google Gemini's Multimodal API in Python

Send a photo or a PDF to Gemini 1.5 Flash and get back clean, structured JSON — in under 50 lines of Python.

Tutorial · 1mo ago0

Defend Your LLM App Against Prompt Injection and Jailbreaks

Build a practical two-layer defense—regex heuristics plus an ML classifier—and an output guardrail that blocks attacks before they reach your model or your users.

Tutorial · 1mo ago0

Sliding-Window Rate Limiting for FastAPI with Redis

Protect your Python API from hammering and credential-stuffing with a per-IP and per-token rate limiter backed by Redis — before you ship to production.

Tutorial · 1mo ago0

Bootstrap an Arch Linux Dev Machine: pacman, yay, and a Full Toolchain

Go from a fresh Arch install to a fully equipped dev environment — AUR helper, a slick shell prompt, and Node.js, Python, and Rust — in under an hour.

Tutorial · 1mo ago0

Build an LLM-as-Judge Eval Pipeline in Python

Ship a repeatable scoring harness that sends model outputs to a GPT-4o judge and tracks accuracy, relevance, and safety scores across releases—so you catch regressions before users do.

Tutorial · 1mo ago0

Build a Multi-Step Research Agent with LangGraph, Claude, and Tool Calling

Wire up a stateful, looping agent that searches the web, scrapes pages, and compiles a structured markdown report — all driven by Claude tool calls and a LangGraph state machine.

Tutorial · 1mo ago0

Mapping Codebases to Knowledge Graphs for AI Coding Agents

Graphify turns complex repositories into structured, queryable knowledge graphs to give AI assistants instant architectural context.

Article · 1mo ago0

Lint, Format, and Test Python on Every Commit with pre-commit and Ruff

Wire up pre-commit hooks so broken or unformatted Python is caught automatically before it ever reaches your branch.

Tutorial · 1mo ago0

Ship an MCP Server in Python That Exposes Your Internal API to LLMs

Wrap a corporate REST API in three typed tools using FastMCP, inspect them locally, and connect them to Claude Desktop—without ever exposing credentials to the model.

Tutorial · 2mos ago0

Deploy a FastAPI App to Fly.io with Managed Postgres

Scaffold a notes API with FastAPI and SQLAlchemy, containerize it, attach a Fly Postgres cluster, and ship the whole thing to Fly.io Machines in under 15 minutes.

Tutorial · 2mos ago0

Self-Host a Local LLM with Ollama: From Install to Production-Style API

Stand up open-weight models on your own hardware, call them over an HTTP API from real code, and learn how quantization and VRAM actually constrain what you can run.

Tutorial · 2mos ago0