The key of this problem is that we need not build the tree from scratch. In fact, we can direct obtain its post-order traversal results in a recursive...
分类：
其他好文 时间：
2015-06-07 17:19:23
阅读次数：
117
It was proposed by Christian Goldbach that every odd composite number can be written as the sum of a prime and twice a square.
9 = 7 + 2×12
15 = 7 + 2×22
21 = 3 + 2×32
25 = 7 + 2×32
27 = 19 + 2...
分类：
数据库 时间：
2015-06-07 11:12:04
阅读次数：
148
APortable Class Libraryis a .NET library that can be used (in binary form, without recompiling) on multiple .NET platforms. When you create a Portable...
分类：
其他好文 时间：
2015-06-06 16:29:37
阅读次数：
96
建造者模式：
将一个复杂对象的建造过程和它的表示分离开来，这样相同的建造过程可以创建不同的表示。Separate the construction of a complex object from its representation so that the same construction process can create different representations.通俗一点就是如...
分类：
其他好文 时间：
2015-06-06 12:05:09
阅读次数：
106
Skip lists are a data structure that can be used in place of balanced trees.Skip lists use probabilistic balancing rather than strictly enforced balan...
分类：
其他好文 时间：
2015-06-06 11:58:32
阅读次数：
204
Given any string of N (>=5) characters, you are asked to form the characters into the shape of U. For example, "helloworld"
can be printed as:
h d
e l
l r
lowo
That is, the characters must be ...
分类：
其他好文 时间：
2015-06-06 10:40:20
阅读次数：
135
There are two typical use cases for
super:
In a class hierarchy withsingle inheritance, super can be used to refer to parent classes withoutnaming them explicitly, thus making the code more mainta...
分类：
编程语言 时间：
2015-06-05 21:17:28
阅读次数：
218
1 Where can PSl be used? ? Documentation – Requirements – RTL Designs ? Controllers – Memories, FIFOs, DMAs, bus controllers ? Finite St...
分类：
其他好文 时间：
2015-06-05 21:06:15
阅读次数：
103
