![[Solved] Deleting the ‘nul’ File from Claude Code on Windows](https://miyagadget.page/wp-content/uploads/2026/01/無題.jpg)
[Solved] Deleting the ‘nul’ File from Claude Code on Windows
How to delete the undeletable 'nul' file that Claude Code occasionally creates on Windows, using the UNC path format workaround.
Author: Shichinomiya
DIY Battery Replacement for the Braun Series 5 Shaver — It’s Easier Than You Think
In this article, I walk you through replacing the battery in a Braun Series 5 electric shaver with step-by-step photos. It's surprisingly easy and breathes new life into your shaver.
![[Flask + WebAuthn] Building a Mobile-Friendly Household Budget Web App with Passkey Authentication](https://miyagadget.page/wp-content/uploads/2025/11/ChatGPT-Image-2025年11月23日-10_41_02.png)
[Flask + WebAuthn] Building a Mobile-Friendly Household Budget Web App with Passkey Authentication
This article covers how I built a Flask-based, mobile-first web accounting application with WebAuthn passkey authentication and AMEX credit card data import.
Building a Full-Stack Blog System with Claude Code: Applying Everything I Learned
A capstone project using Claude Code to build a complete blog system with Flask, SQLite, Markdown editing, image uploads, analytics, RSS, and SEO optimization.
Automate Email Sending with Claude Code: Fully Automating Routine Tasks
Automate Email Sending with Claude Code: Fully Automating Routine Tasks. This time, we tackle email automation…
Auto-Generate PDF Reports with Claude Code: From Raw Data to Polished Documents
Auto-Generate PDF Reports with Claude Code! Creating polished documents from data.…
Automate File Organization with Claude Code: Tidy Up Messy Folders in Seconds
How I used Claude Code to build a Python-based file organizer that automatically sorts Downloads folder contents by extension, detects duplicates, and runs on a schedule.
Building a Weather Forecast App with Claude Code and API Integration
In this installment, I use Claude Code to build a weather forecast app powered by the OpenWeatherMap API, learning about API integration along the way.
Smart Shopping with Claude Code: Building an Automatic Price Monitoring Tool
I used Claude Code to build a practical price monitoring tool that automatically tracks product prices and notifies you when they drop below your target. Here's how the conversation-driven development process went.
Build a Budget Tracker App with Claude Code: Data Visualization Made Easy
A step-by-step guide to building a budget tracking app with graph visualization using Claude Code, covering expense recording, pie charts, bar graphs, and CSV export.