rusmanarief
Re:Learn regular expressions in about 55 minutes
on Monday March 10, 2014 @12:19AM (#7371277)
I love this!
Re:Show HN: My first product. Thoughts?
on Tuesday January 01, 2013 @08:29PM (#4994840)
there's a very good web app (it works on mobile browser as well, but no native app) on japanese. please someone make a mandarin version that works like this
http://nihongomaster.com/