Step-by-step guides
AI, ML, DL, dev, data, DevOps and more — step-by-step, with the gotchas other guides skip.
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66 articles
ai-tutorialsBuild a Python scraper that drives Playwright, screenshots a rendered page, sends the image to Claude Sonnet 4.6, and validates the output with Pydantic.
ai-tutorialsEnd-to-end: wire Claude into GitHub Actions to comment AI-generated review notes on every pull request, with secrets, cost estimates, and security guardrails.
ai-tutorialsUpload a CSV, ask Claude to analyse it with pandas in the sandbox, retrieve the generated chart, and validate cost-per-query — full Python walkthrough.
ai-tutorialsPaste a claim from your paper, the agent queries the arXiv API, ranks supporting and contradicting work with Claude Sonnet 4.6, and prints a BibTeX file.
ai-tutorialsHands-on walk-through of an agent loop with Claude tool-use, file/bash tools, a sandbox, and a failing-test exercise comparing against Cursor and Claude Code.
ai-tutorialsRegister a Discord app, wire discord.py to Claude tool-use with web-search and calculator tools, deploy on Railway's free trial — full Python walkthrough.
ai-tutorialsWire LangChain, langchain-anthropic, and ChromaDB into a Streamlit chat UI that answers questions over uploaded PDFs, with retrieval evaluation included.
ai-tutorialsBuild a multimodal RAG app end-to-end in Python: LangChain + ChromaDB with OpenCLIP, query a product catalogue with photos or text, answer with Claude Sonnet.
ai-tutorialsWire Claude tool-use to the Google Calendar API in Python with list_events, create_event, and find_free_slot tools — full OAuth-to-agent walkthrough.
ai-tutorialsEnd-to-end tutorial: scaffold a Bolt for Python Slack app, route every channel message through Claude for safety classification, ship to Fly.io for production.
ai-tutorialsEnd-to-end Python tutorial: Pinecone serverless index, 10-doc PDF knowledge base, Claude Sonnet tool-use, FastAPI endpoint, evaluated on 5 support queries.
ai-tutorialsFollow-along tutorial: scaffold a Gradio Blocks chat UI that calls Claude via the Anthropic Python SDK, push to a free-tier Space, wire env-var secrets, test the URL.
ai-tutorialsEnd-to-end tutorial: scaffold a FastAPI Anthropic-API app, add a KV-backed rate-limit cache, deploy via Wrangler. Honest about Workers-Python beta status.
ai-tutorialsTrain an SDXL LoRA on a custom subject in 60-90 minutes on a 16GB GPU. Dataset, kohya_ss / diffusers training, inference, 5-prompt evaluation.
ai-tutorialsEnd-to-end Python tutorial: load DistilBERT SST-2 with Transformers, expose a /analyze endpoint via FastAPI lifespan, batch inputs, Dockerize, ship to Fly.io.
ai-tutorialsPipe a Wikipedia paragraph through Claude tool-use to extract subject-predicate-object triples, build a NetworkX DiGraph, and visualise it with PyVis.
ai-tutorialsWalk-through: install DeepEval, build a 20-sample dataset, wire G-Eval + hallucination metrics, trace via LangSmith, and gate a model upgrade on the eval.
ai-tutorialsBootstrap Next.js 15 App Router, add Supabase email magic-link auth, gate /chat behind a session, stream Claude responses, and deploy to Vercel free tier.
ai-tutorialsEnd-to-end walkthrough: write a Python MCP server that exposes an Obsidian vault read-only to Claude Desktop, then ask Claude to summarise, connect, and draft notes.
ai-tutorialsBuild a Python pipeline that polls RSS feeds, filters items by Claude against your interests, renders a Markdown digest, emails via Resend, and runs on cron.
ai-tutorialsBuild a Python agent that scrapes Amazon prices with Playwright, classifies deals with Claude, emails alerts via Resend, and runs on a Fly.io cron.
ai-tutorialsSpin up Upstash or local Redis, wire LangChain RedisCache and RedisSemanticCache, measure latency plus token-cost reductions on 50 sample queries, then tune TTL.
ai-tutorialsEnd-to-end QLoRA fine-tune of Mistral-7B-Instruct on a 1,000-row instruction dataset, on a single 16GB GPU, with the adapter pushed to Hugging Face Hub.
ai-tutorialsWire Semantic Scholar's Recommendations API to Claude Sonnet 4.6 in a Streamlit app: paste a paper, get a ranked list of similar work with three-sentence summaries.
ai-tutorialsSpin up Postgres with pgvector, generate Cohere or OpenAI embeddings, build an HNSW index, run k-NN queries, and layer metadata filters — production-shaped.
ai-tutorialsForce Claude Sonnet to return validated JSON via tool_use, parse with Pydantic v2, stream with retries — extract structured orders from email prose.
ai-tutorialsWire Claude tool-use to a Chinook Postgres database, generate safe SELECT-only queries from natural language, and render Markdown result tables — Python walkthrough.
ai-tutorialsWire WhatsApp Cloud API to Claude through a FastAPI webhook on Render's free tier — token, webhook verification, message echo, deploy, send-and-reply test.
ai-tutorialsPython CLI that fetches a YouTube transcript via youtube-transcript-api, summarises with Claude Sonnet, outputs Markdown with timestamps — packaged for PyPI.
dev-tutorialsInstall Apache Airflow 3 locally with uv, write a DAG with the TaskFlow API, wire Python plus Bash plus SQL operators, schedule it, and monitor in the webserver.
ai-tutorialsWire a FastAPI webhook receiver to Claude for urgent/billing/general/spam classification, verify Intercom HMAC signatures, and route conversations via the Admin API.
dev-tutorialsA SQL-fluent analyst's walkthrough of dbt-core 1.11: install, project structure, sources, models, seeds, tests, docs, macros, and materialisations end-to-end.
dev-tutorialsStep-by-step tutorial: write a Dockerfile for a FastAPI app, run it with Docker Compose, and push the image to Docker Hub end-to-end in 60 minutes.
ai-tutorialsWire Claude into Git's prepare-commit-msg hook so every git commit opens with a Conventional Commits draft generated from your staged diff, plus a clean opt-out flag.
ai-tutorialsExtract text from a PDF, prompt Claude to draft 10-30 Anki-style flashcards with tags, then export a ready-to-import .apkg deck via genanki.
dev-tutorialsBuild a complete CI/CD pipeline with GitHub Actions for a Node.js app: lint, test, matrix builds, secrets, reusable workflows, and deploy.
ai-tutorialsWire boto3, Claude vision, and psycopg into an end-to-end pipeline that tags every S3 upload and serves a /search?tag= API in FastAPI.
dev-tutorialsStep-by-step tutorial: spin up a local Kubernetes cluster with minikube or kind, deploy an app, expose it with a Service, and add liveness probes plus scaling.
dev-tutorialsStep-by-step tutorial: scaffold a Next.js 16 App Router project, build a dashboard with layouts, dynamic routes, server components, in 60 min.
dev-tutorialsWalk through six OWASP Top 10 categories on a FastAPI sample app: injection, broken auth, access control, misconfig, vulnerable components, SSRF, with the fix for each.
dev-tutorialsA 60-minute pandas walkthrough: read CSV / Excel / JSON, coerce dtypes, handle missing data, group-by + agg, merge, resample, and plot — using pandas 3.0.
dev-tutorialsInstall Playwright, record a login flow with codegen, factor out a page object, save auth state, run cross-browser in parallel, ship to GitHub Actions.
dev-tutorialsStep-by-step tutorial: install PostgreSQL 18, connect with psql, design a normalised schema with constraints, add indexes, and seed test data in 60 minutes.
dev-tutorialsA working pytest setup in 60 minutes — install, conftest.py, fixtures, parametrize, pytest-cov and pytest-xdist plugins, and a minimal GitHub Actions matrix.
ai-tutorialsBrowser-only voice chatbot — mic input via Web Speech API, streamed Claude responses, Web Audio playback. Pure HTML/JS deployed on GitHub Pages.
ai-tutorialsEnd-to-end Python project: a receipt photo, Claude vision extracts items, prices, tax, totals; Pydantic validates; SQLite stores; CSV exports.
dev-tutorialsStep-by-step tutorial: install Redis 8, connect via redis-cli, then implement cache-aside, write-through, and write-behind patterns in Node.js end-to-end in 45 minutes.
ai-tutorialsEnd-to-end Python tutorial: a Slack app that posts a daily standup prompt, collects replies, then asks Claude to digest blockers and status by member.
dev-tutorialsStand up a working VPC, EC2 instance, and RDS database with Terraform 1.15 and AWS provider 6.x, including S3-native state locking and a clean destroy.
ai-tutorialsWire Weaviate Cloud hybrid BM25 search, Cohere embed-v4.0 vectors, and rerank-v3.5 into a FastAPI /search endpoint over 100 Wikipedia chunks.
dev-tutorialsWalk-through of skills and plugins, the two-layer extension model in Claude Code: directory layout, five essentials to install today, and the marketplace workflow.
dev-tutorialsCursor 3.3 (7 May 2026) lets Plan Mode fan tasks across async subagents and split the diff into independent PRs. When parallelism wins, when it costs more.
ai-tutorialsEnd-to-end Smolagents tutorial. Wire Hugging Face's CodeAgent to a local Qwen 3 on Ollama, add two custom arXiv tools, and ship a working research agent on a laptop.
ai-tutorialsInstall vLLM 0.20.1, serve Llama 3.1 8B, scale across GPUs with tensor parallelism, and pick FP8 vs W8A16 by hardware. A 90-minute walkthrough for ML engineers.
ai-tutorialsHands-on autogen-agentchat walkthrough (v0.7.x, May 2026): install, wire two AssistantAgents into a research crew, inspect the conversation. Status: maintenance mode.
ai-tutorialsInstall Promptfoo, write a YAML config, run side-by-side evals on GPT-5 vs Claude Sonnet 4.5, and ship the report. A 60-minute walkthrough for devs.
ai-tutorialsWire Claude Desktop to filesystem, GitHub, and fetch MCP servers in 30 minutes. Config-file walkthrough, token scopes, and the pitfalls devs hit first.
ai-tutorialsA 60-minute Python walkthrough that builds a Researcher + Writer + Editor crew with CrewAI, picks the right Process mode, and ships structured output.
ai-tutorialsStep-by-step ElevenLabs Python tutorial: signup, voice picker, Turbo and Eleven v3, WebSocket streaming, Hindi and Tamil. Around 50 lines of code.
ai-tutorialsWrap Claude, GPT-5.5, or a local Ollama model in a streaming chat UI using Gradio 5.x and ~30 lines of Python. Tutorial includes Hugging Face Spaces deploy.
dev-tutorialsA LoRA fine-tune of Qwen 2.5-7B on Google Colab's free Tesla T4 takes 4–6 hours. Step-by-step pipeline for devs: dataset, PEFT, training, inference.
ai-tutorialsA 60-minute Qdrant tutorial for dev teams: Docker install, sentence-transformers embeddings, hybrid search with metadata filters, and a FastAPI endpoint.
ai-tutorialsRAG in 60 minutes on a laptop: LangChain + ChromaDB, in-process vector store, free local embeddings, Claude or GPT for answers. No Docker, no Pinecone.
ai-tutorialsA step-by-step Smolagents walkthrough in Python. Roughly 40 lines of code, any LLM, working code-writing agent in 30 minutes — no LangChain, no LangGraph.
ai-tutorialsBuild a Streamlit LLM-pricing dashboard: load OpenAI + Anthropic spend logs, chart cost-per-day with Altair, add filters, deploy free on Community Cloud.
ai-tutorialsStep-by-step tutorial: build a working Model Context Protocol server in TypeScript, expose it to Claude Desktop, and learn the gotchas other guides skip.
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