check this example: > a = matrix(1:9, nrow = 3, ncol = 3, dimnames = list(LETTERS[1:3], LETTERS[1:3]))[详细]
Delphi - Custom drawing a message list
C++ header-only include pattern
IE7 Margin Collapses Into Padding
in CoffeeScript, how can I use a variable as a key in a hash?
Interactive visualization of a graph in python [closed]
How to customise PHP MYSQL tables?
High quality, simple random password generator
Image Recognition ApI in android