Japanese Stock Backtesting | I tested an investment strategy I purchased for 10 years, and it wasn't as good as I thought

The reason I started backtesting Japanese stocks in earnest was an investment strategy I purchased on Coconala.I didn't ...

[Claude Challenge #2] The story of how I struggled with the journal entry PDF search, only for Claude Code to do it easily

Hello, I am i!This is another story about the "Journal Entry PDF Search App".……However, this content is a bit of an extra ...