You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
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其他好文 时间：
2014-06-28 10:45:34
阅读次数：
225
swift定义可选型的时候，要用“?”，但是在swift的标准库中，可选型的定义是Optional，”?”只是个简写形式。
var myNum: Int?
var myNum: Optional
两句等价
可以看出可选型是个泛型，而Optional又是个枚举，Optional可以是 None,也可以是Some(T):
protocol Reflectable {...
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其他好文 时间：
2014-06-22 22:20:27
阅读次数：
259
??
Artifacts
工件
“Hello, World!”
is implemented as an applet, so it never stands alone but instead is typically a part of some Web page. The applet starts when its enclosing page is opened, trigge...
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其他好文 时间：
2014-06-22 19:50:03
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180
According to the order of data structure book, Arrays should be introduced in the frist time. When reviewing the some information related to arrays, I feel shocked that many useful classes and methods...
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编程语言 时间：
2014-06-22 18:13:18
阅读次数：
316
The partial sum problem
时间限制：1000 ms | 内存限制：65535 KB
难度：2
描述One day,Tom’s girlfriend give him an array A which contains N integers and asked him:Can you choose some integers from the N ...
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其他好文 时间：
2014-06-22 18:00:48
阅读次数：
166
Last night it took me about two hours to learn arrays. For the sake of less time， I did not put emphaises on the practice question, just now when reading the book, I found that some methods
referred...
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其他好文 时间：
2014-06-22 17:14:10
阅读次数：
152
Givennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such that the two endpoints of ...
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其他好文 时间：
2014-06-22 10:45:17
阅读次数：
258
Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
Have you thought about this?
Here are some good questions to ask before coding. Bonus points for y...
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其他好文 时间：
2014-06-22 09:31:16
阅读次数：
220
Inflate() method can find out a layout defined by xml,as like the findViewById() method,but there have some different between them.
The different are:
If your Activity used other layout,such as...
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移动开发 时间：
2014-06-22 06:41:43
阅读次数：
362
In this post, I want to provide some additional insight on how the use of Open vSwitch (OVS) affects—or doesn’t affect, in some cases—how a Linux host...
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其他好文 时间：
2014-06-21 15:01:41
阅读次数：
334
