Seki's note

How the Go-based link checker works

To automate website link checking, you need to process many URLs efficiently while also avoiding excessive load on target servers. Go excels at concurrent processing using goroutines and channels, which allows link checking to be performed in parallel.

Data thinning with Excel

Here, I’ll show you an easy way to thin out data in Excel without using any special tools.

Dodgem

Play dodgem.

How to play dodgem

This article explains how to play Dodgem.

Match equity calculator

The match equity in backgammon and the reference values for cube decisions can be calculated for matches of up to 15 points.