先从一道题开始看: Eliminate consecutive duplicates of list elements. If a list contains repeated elements they should be replaced with a single copy of the element. The order of the elements should not be changed. Example: scala> compress(List('a, 'a, 'a, 'a
http://yi-programmer.com/2011-02-24_fold.html http://c2.com/cgi/wiki?FoldFunction http://rwh.readthedocs.org/en/latest/chp/4.html The PythonLanguage calls it reduce; this is a left fold: reduce(operator.add, [1,2,3,4]) reduce(lambda x,y: x+y, [1,2,3,
Oracle的sessions和processes的数计算公式 原作者链接地址:http://blog.csdn.net/zengmuansha/article/details/7581771 Oracle的sessions和processes的关系是 sessions=1.1*processes + 5 -----实验部分---- Microsoft Windows [版本 5.2.3790](C) 版权所有 1985-2003 Microsoft Corp. C:\Documents a