Programming Tutorials

Test your understanding of Python functions and scopes: parameters, arguments, return values, inner functions, namespaces, and the LEGB rule.

Test what you learned about Python file handling, pathlib, context managers, and reading or writing WAV files in this learning path wrap-up quiz.

Test your skills on Python virtual environments, pyenv version management, and choosing a great programming font for your dev setup.

Practice creating statistical plots in Python with seaborn. Compare the classic functional interface with the newer objects interface.

Test what you've learned in the Exceptions, Logging, and Debugging path. Practice handling errors, raising exceptions, and using logging.

Revisit Python modules, packages, the import system, pip, uv, and READMEs in this wrap-up quiz for the Modules and Packages path.

How I Built a Bot That Earns Money by Answering Other Bots I discovered something wild: what if bots could pay each other for services? I b

Google search results are useful for many products and workflows: SEO tools, keyword research, content monitoring, market research, AI agents, and ran

I've been building SHARD — an open-source autonomous AI SIEM — for the past few months. After 25 security audits and 250+ bug fixes, here's what I lea

Picture this: you wire up an LLM to query your database. It works great. Then your product team asks you to also pull data from Slack. Another custom

Learn how to make scatter plots in Python with plt.scatter() and customize markers by size, color, shape, and transparency.

Weekly Challenge 375 Each week Mohammad S. Anwar sends out The Weekly Challenge, a chance for all of us to come up with solutions to two we

Your 24h momentum spike of +0.892 is a telltale sign of something brewing in the world sentiment landscape. This anomaly is particularly noteworthy wh

Prompt injection doesn't get enough attention. SQL injection has decades of tooling and parameterized queries behind it. Prompt injection is maybe t

Published by Aisha · ObsidianWall When you're building a tool that evaluates policy expressions like this: (current_spend + estimated_cost) bu

Most property management software treats compliance documentation like a tax return — something you scramble to assemble when an inspector shows up. T

Hey everyone! 👋 I wanted to share a project I've been pouring my heart into: Astmize. It's an open-source Python-to-C++ transpiler built entirely fro

This blog is an introduction to Python, and it assumes that you have a good knowledge of JavaScript as a language already. I will cover a lot of the b

What if you could understand an entire nation's economic trajectory in a single interactive dashboard? That's exactly what I built with KenyaVista — a

El problema: no existía una newsletter de AI dev tools en español con profundidad real Hace unos meses me di cuenta de algo: consumía entre