The general approach to get a Regular expression (regex) from DFA/NFA is to convert a DFA to a GNFA by reducing states. Read more on wikipedia. However, for not too complicated DFA, it is often easier to get a regex from NFA instead of going through GNFA (which btw makes regex big). For regex, the […]
Sometimes I run into situation where I need to email a file, and I am lazy to open a browser, login to my email account, and then attach file and send it. If you are like me, then mutt is a neat command for sending emails from terminal quickly =P. The code looks like below: […]
This is a program i created back in 2005, during my initial years on Java. Its a simple program that allows you to chop any files, into smaller segments. You can specify the number of segments you wish to chop into. For example, if you have a 50mb file, you can split it into 5 […]