Interview Practice Extra 06 - Vending Machine

Question This is an actual question I encountered in an Amazon phone interview in November 2013. You are going to design the money changing algorithm for a vending machine. That is, after any purchase, the machine makes change to users with a combination of coins. And the machine only have…

ExFAT in Mac OSX

Feeling sick with your FAT32 portable harddisk which cannot store files bigger than 4G? Use ExFAT. Currently the most updated stable version of Mac OSX is 10.6.4. And it doesn’t support ExFAT formatting (except some models of Macintosh). The next version, however, support ExFAT. These days, I…