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Unable to find the wrapper "https"错误的解决办法
PHP.ini默认配置下,用file_get_contents读取https的链接,就会如下错误:Warning: fopen() [function.fopen]: Unable to find the wrapper "https" - did you forget to enable it w...
分类:移动开发   时间:2015-07-22 18:20:51    阅读次数:116
leetCode(46):Kth Smallest Element in a BST
Given a binary search tree, write a function kthSmallest to find the kth smallest element in it. Note:  You may assume k is always valid, 1 ≤ k ≤ BST's total elements.         直观地一想,查找第k小的数,不就是...
分类:其他好文   时间:2015-07-22 16:22:04    阅读次数:87
Debug program crash with dump file.
1. Task manager, -> find the process for the program which crashed.2. Right click the process -> select "Create dump file".3. Dump file will be saved ...
分类:其他好文   时间:2015-07-22 16:02:56    阅读次数:133
leetCode 84.Largest Rectangle in Histogram (最大矩形直方图) 解题思路和方法
Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram. Above is a histogram where width o...
分类:其他好文   时间:2015-07-22 14:40:08    阅读次数:95
leetCode 85.Maximal Rectangle (最大矩阵) 解题思路和方法
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area. 思路:此题的意思是给一个为0或1的矩阵,求全部为1组成的最大矩阵的面积。 此题可以巧妙转化为求最大直方图面积的问题。 public class S...
分类:其他好文   时间:2015-07-22 14:37:08    阅读次数:98
C++去掉字符串中首尾空格和所有空格
c++去掉首尾空格是参考一篇文章的,但是忘记文章出处了,就略过吧。去掉首尾空格的代码如下: 1 void trim(string &s) 2 { 3 4 if( !s.empty() ) 5 { 6 s.erase(0,s.find_first_not_of(" "...
分类:编程语言   时间:2015-07-22 12:45:09    阅读次数:109
【LeetCode-面试算法经典-Java实现】【018-4Sum(四个数的和)】
【018-4Sum(四个数的和)】【LeetCode-面试算法经典-Java实现】【所有题目目录索引】原题  Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array...
分类:编程语言   时间:2015-07-22 09:28:28    阅读次数:147
pat1009. Product of Polynomials (25)
1009. Product of Polynomials (25)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueThis time, you are supposed to find A*B where A and B are t...
分类:其他好文   时间:2015-07-22 09:12:00    阅读次数:119
LeetCode – Remove Duplicates from Sorted List III (Java)
Given an array of integers, find out whether there are two distinct indicesiandjin the array such that the difference betweennums[i]andnums[j]is at mo...
分类:编程语言   时间:2015-07-22 01:37:07    阅读次数:153
Leetcode--Day13&&Day14
n-sum problemQuestion 2Two SumGiven an array of integers, find two numbers such that they add up to a specific target number.The function twoSum shoul...
分类:其他好文   时间:2015-07-21 23:43:37    阅读次数:210
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