I made a fare calculator that will tell you how much money you should put on your card given your current balance.

Working in the city means having to travel within the city. Because the buildings are packed densely, you can choose from a wide array of … continue reading →

If you use MySQL as prescribed, everything should be OK. Failing that, you can learn some interesting things about how MySQL works.

MySQL’s MERGE storage engine is a neat way to address a specific type of problem. With the MyISAM storage engine, you lose INSERT … continue reading →