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LeetCode--Pascal's Triangle II
Given an index k, return the kth row of the Pascal's triangle. For example, given k = 3, Return [1,3,3,1]. Note: Could you optimize your algorithm to use only O(k) extra space? class Solution...
分类:其他好文   时间:2015-01-14 22:57:33    阅读次数:162
HTML转义字符
字符十进制转义字符"""&&&>>不断开空格(non-breaking space) 
分类:Web程序   时间:2015-01-14 22:40:31    阅读次数:346
LeetCode88——Merge Sorted Array
题目 Given two sorted integer arrays A and B, merge B into A as one sorted array. Note: You may assume that A has enough space (size that is greater or equal to m + n) to hold additional elements ...
分类:其他好文   时间:2015-01-14 16:54:36    阅读次数:183
iText5报表__表格处理
1.概述        对于比较简单的表格处理可以用Table,但是如果要处理复杂的表格,这就需要PDFPTable进行处理。   建立表格之后,可以设定表格的属性,如:边框宽度、边框颜色、衬距(padding space 即单元格之间的间距)大小等属性。下面通过一个简单的例子说明如何使用表格,代码如下:  2.表格的操作 2.1 表格的初始化        你可以用3种不同的方法创...
分类:其他好文   时间:2015-01-14 16:53:22    阅读次数:321
sed系列:行或者模式匹配删除特定行
“p” command prints the buffer (remember to use -n option with “p”)  “d” command is just opposite, its for deletion. ‘d’ will delete the pattern space buffer and immediately starts the next cycle.  ...
分类:其他好文   时间:2015-01-14 15:34:14    阅读次数:157
Caused by: java.lang.OutOfMemoryError: PermGen space.
现在eclipse需要加载4个项目同时运行了,所以当服务启动的时候,出现Caused by: java.lang.OutOfMemoryError: PermGen space.空间不足错误,我说一下我是如何修改的.打开后,切换到第二个tab页,在以下红色区域空格后填写:-Xms256m -Xmx5...
分类:编程语言   时间:2015-01-14 14:14:01    阅读次数:196
LeetCode--Recover Binary Search Tree
Two elements of a binary search tree (BST) are swapped by mistake. Recover the tree without changing its structure. Note: A solution using O(n) space is pretty straight forward. Could you devis...
分类:其他好文   时间:2015-01-14 09:53:16    阅读次数:154
Addnode.sh失败,日志文件报错PRKC-1025 & java.lang.OutOfMemoryError: Java heap space
Addnode.sh失败,日志文件报错PRKC-1025 & java.lang.OutOfMemoryError: Java heap space...
分类:编程语言   时间:2015-01-14 09:51:14    阅读次数:609
Regular Ex Notes
https://docs.python.org/2/howto/regex.htmlIdentifiers:\d any number\D anything but a number\s space\S anything but a space\w any character\W any...
分类:其他好文   时间:2015-01-14 00:34:01    阅读次数:268
[leetcode]Maximum Gap
问题描述: Given an unsorted array, find the maximum difference between the successive elements in its sorted form. Try to solve it in linear time/space. Return 0 if the array contains less than 2 ele...
分类:其他好文   时间:2015-01-13 23:17:46    阅读次数:330
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