I love these articles. They show how even the most innocent looking things can be really hard when you take a closer look. But I would also like to see solution

I love these articles. They show how even the most innocent looking things can be really hard when you take a closer look. But I would also like to see solutions that don't require weeks of study and weird workarounds. How do you develop an address database that works world wide? How do you deal with dates? How do you deal with character sets?