I struggled with massive CSVs, so I built a log analysis system with Python (Part 5)

Hello.Last time, I wrote about a mechanism that joins master information with massive log data, converting information that ...

I created a notebook where Python beginners can freely write with a mouse

IntroductionHello everyone!Recently, I have been working on application development using Python. Until now, I have mostly ...
GitHub

Supermarket Sales Analysis (Multi-file Version)

A beginner-friendly Python Tkinter project split into four Python files. Sales are saved in a local CSV file, so you do not need to install a database or Pandas. On first launch, sales_data.csv is ...
GitHub

codex-gui

A desktop GUI for running dozens of Claude Code and Codex agents in parallel, each in its own git worktree. Answer them like email, or use the board view. Free, open source, on the plan you already ...