https://www.danilchenko.dev/categories/tutorials/Recent content in Tutorials on danilchenko.devHugoen-usThu, 14 May 2026 08:22:52 +0000https://www.danilchenko.dev/posts/spec-driven-development/Thu, 14 May 2026 08:22:52 +0000https://www.danilchenko.dev/posts/spec-driven-development/Build a complete Python CLI expense tracker using GitHub Spec Kit and Claude Code. Full walkthrough from requirements to working code in 30 minutes.https://www.danilchenko.dev/posts/moondb-backend-vibe-coding/Wed, 13 May 2026 11:12:16 +0000https://www.danilchenko.dev/posts/moondb-backend-vibe-coding/Build a full backend with REST API, auth, file storage, and AI endpoints by sending one JSON schema to MoonDB — zero deploy, zero config, ready in 5 minutes.https://www.danilchenko.dev/posts/chrome-devtools-mcp/Tue, 12 May 2026 08:17:00 +0000https://www.danilchenko.dev/posts/chrome-devtools-mcp/Set up Chrome DevTools MCP with Claude Code, Cursor, or Gemini CLI in 5 minutes. 44 tools for debugging, performance, network, and browser automation.https://www.danilchenko.dev/posts/gemini-cli-tutorial/Fri, 08 May 2026 08:24:33 +0000https://www.danilchenko.dev/posts/gemini-cli-tutorial/Set up Google's free Gemini CLI in 5 minutes, configure GEMINI.md, add MCP servers, and build a Python project — all on the 1,000 requests/day free tier.https://www.danilchenko.dev/posts/fastmcp-mcp-server/Wed, 29 Apr 2026 08:24:49 +0000https://www.danilchenko.dev/posts/fastmcp-mcp-server/Build a production-ready MCP server in Python with FastMCP 3.2 — tools, resources, prompts, GitHub OAuth proxy, MCP Inspector, and Claude Desktop hookup.https://www.danilchenko.dev/posts/python-t-strings/Mon, 27 Apr 2026 08:21:49 +0000https://www.danilchenko.dev/posts/python-t-strings/Python 3.14 t-strings (PEP 750) let you intercept values before string interpolation. Hands-on tutorial with SQL safety, HTML escaping, and structured logging.https://www.danilchenko.dev/posts/go-iterators/Tue, 21 Apr 2026 00:06:00 +0000https://www.danilchenko.dev/posts/go-iterators/How to write a custom Go iterator using iter.Seq and iter.Seq2, handle early termination, convert push to pull with iter.Pull, and avoid the yield traps.https://www.danilchenko.dev/posts/claude-code-subagents/Sat, 18 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/claude-code-subagents/Claude Code subagents run side tasks in their own context window. Here's how to create them, when to pick one over a skill, and the mistakes to avoid.https://www.danilchenko.dev/posts/2026-04-07-run-gemma-4-locally-ollama-llama-cpp-vllm/Tue, 07 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-07-run-gemma-4-locally-ollama-llama-cpp-vllm/Step-by-step guide to running Google Gemma 4 locally on your hardware with Ollama, llama.cpp, and vLLM — including model picks, VRAM requirements, and real gotchas.