生成器>>> def func1():... yield 0... yield 1... >>> a=func1()>>> a.next()0>>> a.next()1>>> a.next()Traceback (most recent call last): File "", l...
分类：
编程语言 时间：
2014-07-06 20:07:34
阅读次数：
251
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：
2014-07-06 17:44:30
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181
About PythonPythonis an interpreted, object-oriented, high-level programming language with dynamic semantics. Its high-level built in data structures,...
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编程语言 时间：
2014-07-03 22:24:34
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287
题目描述There are N tasks and M resources, each task is asked to use some resources and each resource can only be used by at most one task. You are asked ...
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其他好文 时间：
2014-07-03 20:35:23
阅读次数：
274
题目
Say you have an array for which the ith element is the price of a given stock on day i.
If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the...
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其他好文 时间：
2014-07-03 17:51:01
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235
Follow up for "Remove Duplicates":What if duplicates are allowed at most twice?
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其他好文 时间：
2014-07-03 11:51:05
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117
之前在windows下使用python调用某些模块时都会报错，像这样：C:\Documents and Settings\Administrator>python -m CGIHTTPServerTraceback (most recent call last): File "C:\Python2....
分类：
编程语言 时间：
2014-07-03 09:41:18
阅读次数：
656
Apart from syntax, there are some differences when writing scripts in C# or Boo. Most notable are:除了句法规则, 使用C#或Boo编写脚本还有一些不同,当.需要特别注意的是:1. Inherit fro...
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其他好文 时间：
2014-07-02 23:22:00
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307
Water is the most important substance needed by the body. It is the sole substance which has affected the human being and civilization. That’s why it ...
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其他好文 时间：
2014-07-02 19:00:20
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154
Accessors
存取方法
All instance variables are private in Objective-C by default, so you should use accessors to get and set values in most cases. There are two syntaxes. This is the traditional 1.x syntax:
OC中所有的实例变量默认是私有的，所以多数情况下你应该使用访问器来获得和设置实例变量的值。访问器有...
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其他好文 时间：
2014-07-02 08:39:04
阅读次数：
231
