https://spaghetti-code.net/en/tags/developer-tools/ Recent content in Developer Tools on Spaghetti Code 🍝 https://spaghetti-code.net/images/og-default.png https://spaghetti-code.net/images/og-default.png Hugo -- 0.160.0 en Fri, 06 Nov 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/llm/llm-structured-output/ Fri, 06 Nov 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/llm/llm-structured-output/ How LLM structured output works: JSON mode vs. a real JSON Schema guarantee, constrained decoding, and getting valid JSON from OpenAI, Claude, and Ollama. https://spaghetti-code.net/en/posts/javascript/eslint-vs-prettier/ Sun, 01 Nov 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/javascript/eslint-vs-prettier/ ESLint catches bugs and bad patterns in your code; Prettier only reformats it. Here is why running both together causes conflicts, and the setup that avoids it. https://spaghetti-code.net/en/posts/llm/llm-evals/ Fri, 30 Oct 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/llm/llm-evals/ How LLM evals work: a golden dataset, deterministic assertions, LLM-as-judge scoring, and wiring the suite into CI so a prompt edit can't regress silently. https://spaghetti-code.net/en/posts/llm/llm-function-calling/ Thu, 22 Oct 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/llm/llm-function-calling/ How LLM function calling (tool use) works: the JSON Schema tool definition, the request-response loop, parallel calls, and handling bad arguments in code. https://spaghetti-code.net/en/posts/nodejs/npm-vs-yarn-vs-pnpm/ Sat, 17 Oct 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/nodejs/npm-vs-yarn-vs-pnpm/ npm, Yarn, and pnpm read the same package.json but build node_modules differently. Compare install commands, lockfiles, workspaces, and when each breaks. https://spaghetti-code.net/en/posts/python/python-decorators-explained/ Wed, 07 Oct 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/python/python-decorators-explained/ Python decorators explained with real examples: how the @ syntax works, functools.wraps, decorators with arguments, class-based decorators, and lru_cache. https://spaghetti-code.net/en/posts/python/python-virtual-environments/ Wed, 30 Sep 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/python/python-virtual-environments/ What a Python virtual environment actually is, how to create one with venv or uv, manage dependencies with pip and pyproject.toml, and fix the common errors. https://spaghetti-code.net/en/posts/llm/how-cli-coding-agents-work/ Wed, 23 Sep 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/llm/how-cli-coding-agents-work/ CLI coding agents all run the same tool-calling loop. What sets one apart is the harness around the model: tools, context handling, permissions, and sandboxing.