以下Unicode码表范围整理自Unicode 7.0字符集. 其中所有符号、标点(包括CJK标点)均未收录于本文中。



4E00-9FCF CJK统一表意文字(汉)CJK Unified Ideographs (Han)

3400-4DBF CJK扩展A CJK Extension-A

20000-2A6DF CJK扩展B CJK Extension B

2A700-2B73F CJK扩展C CJK Extension C

2B740-2B81F CJK扩展D CJK Extension D

F900-FAFF CJK兼容表意文字 CJK ......

What Does These Technical Terms Mean?

Random Forest

Random forests are an ensemble learning method for classification (and regression) that operate by constructing a multitude of decision trees at training time and outputting the class that is the mode of the classes output by individual trees.

My Solutions For Programming Pearls Column 1

Problem 1

If memory were not scarce, how would you implement a sort in a language with libraries for representing and sorting sets?

I would prefer to use Map-Reduce to do the sorting.

Problem 5

Easy, whereas still made me confused without knowing that, the phone number in the U.S. doesn't be......