1.对序列进行分组的函数(摘自web.py源码utils.py文件中) 1 def
group(seq, size): 2 """ 3 Returns an iterator over a series of lists of length
size from iterable. ...
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编程语言 时间:
2014-05-28 04:21:00
阅读次数:
365
git branch look at your branchesgit branch
newbranchgit checkout newbrachdo somethinggit checkout mastergit merge
newbranchgit branch -d newbrach
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其他好文 时间:
2014-05-27 16:09:01
阅读次数:
227
Guava Maven Dependency com.google.guava guava
{guava.version}Guava 常用方法示例Lists实例化 ListList list = Lists.newArrayList();Maps实例化
MapMap>> map =...
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其他好文 时间:
2014-05-26 10:53:50
阅读次数:
233
MySQL常用的存储引擎为MyISAM、InnoDB、MEMORY、MERGE,其中InnoDB提供事务安全表,其他存储引擎都是非事务安全表。MyISAM是MySQL的默认存储引擎。MyISAM不支持事务、也不支持外键,但其访问速度快,对事务完整性没有要求。InnoDB存储引擎提供了具有提交、回滚和...
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数据库 时间:
2014-05-26 09:42:53
阅读次数:
349
题目如下:
Tree Summing
Background
LISP was one of the earliest high-level programming languages and, withFORTRAN, is one of the oldest languages currently being used. Lists,wh...
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其他好文 时间:
2014-05-25 21:39:51
阅读次数:
276
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 digit. Add the two numbers
and return i...
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其他好文 时间:
2014-05-25 21:36:52
阅读次数:
268
通常在Surfaceview作为预览视频帧的载体,有时需在上面显示提示文字。以前我弄的都好好的...
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移动开发 时间:
2014-05-25 18:27:16
阅读次数:
417
题目:合并两个有序数组A ,
B,将合并后的数组存到A中。假设A的空间足够装下A和B所有的元素。思路:这道题考虑如果正向扫描两个数组,则每插入一个元素,则需移动A后的所有元素。换个角度想,既然元素个数一定,则从尾部扫描两个数组,依次放入到A的尾部,这样既不会产生大量元素的移动,也不会造成A中元素被覆...
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其他好文 时间:
2014-05-25 15:09:32
阅读次数:
222
【题目】
Given a set of non-overlapping intervals, insert a new interval into the intervals (merge if necessary).
You may assume that the intervals were initially sorted according to their start times.
Example 1:
Given intervals [1,3],[6,9], insert and mer...
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其他好文 时间:
2014-05-25 12:56:43
阅读次数:
271
【题目】
Given an array of non-negative integers, you are initially positioned at the first index of the array.
Given a collection of intervals, merge all overlapping intervals.
For example,
Given [1,3],[2,6],[8,10],[15,18],
return [1,6],[8,10],[15,18].
...
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其他好文 时间:
2014-05-24 14:18:27
阅读次数:
193