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# tutorial

Tutorial is a general purpose tag. We welcome all types of tutorial - code related or not! It's all about learning, and using tutorials to teach others!

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Structured Output From Local LLMs: JSON That Never Breaks (Ollama + Zod)

Structured Output From Local LLMs: JSON That Never Breaks (Ollama + Zod)

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6 min read
Pandas for Data Cleaning: A Practical Guide for Beginners

Pandas for Data Cleaning: A Practical Guide for Beginners

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7 min read
Build a Revenue and Stock Price Combo Chart with Python

Build a Revenue and Stock Price Combo Chart with Python

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1 min read
Path Traversal: What It Is, Why It's Dangerous, and How to Stop Attackers from Reading Files They Shouldn't

Path Traversal: What It Is, Why It's Dangerous, and How to Stop Attackers from Reading Files They Shouldn't

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6 min read
Python's collections Module: Beyond defaultdict and Counter — 4 Hidden Gems That Solve Real Problems

Python's collections Module: Beyond defaultdict and Counter — 4 Hidden Gems That Solve Real Problems

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6 min read
How to add full observability to your LangChain and LlamaIndex agents in under 10 minutes

How to add full observability to your LangChain and LlamaIndex agents in under 10 minutes

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2 min read
Pytest vs unittest vs hypothesis: Python testing frameworks in 2026

Pytest vs unittest vs hypothesis: Python testing frameworks in 2026

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4 min read
How I Built a Secure AI API Proxy Without Losing My Sanity

How I Built a Secure AI API Proxy Without Losing My Sanity

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4 min read
I built the same AI app with and without LangChain. Here's what I learned.

I built the same AI app with and without LangChain. Here's what I learned.

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5 min read
How I automated markdown docs from UI screenshots using AI

How I automated markdown docs from UI screenshots using AI

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5 min read
3 Base64 Tricks Every Developer Should Know

3 Base64 Tricks Every Developer Should Know

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2 min read
Pep 20

Pep 20

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3 min read
I Built Minesweeper in ~50 Lines — the Only Hard Part Is Flood-Fill

I Built Minesweeper in ~50 Lines — the Only Hard Part Is Flood-Fill

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1 min read
Tree of Thoughts: How to Make an LLM Explore Instead of Guess

Tree of Thoughts: How to Make an LLM Explore Instead of Guess

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2 min read
How to Use Python's logging Module Like a Pro — From Beginner to Production Setup

How to Use Python's logging Module Like a Pro — From Beginner to Production Setup

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3 min read
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