2 Commits (18507f9eaf5b1da635b42f9270f36e55afe424a4)

Author	SHA1	Message	Date
Baohua Yang	fc7aa02f50	Finish the basic version of the basic_concept chapter	2014-09-15 17:36:31 +08:00
Baohua Yang	80eda65481	Restruct and start rewring.	2014-09-15 17:08:06 +08:00