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ThinkPhp学习07
原文:ThinkPhp学习07简单CRUD操作 1 public function show() { 2 $m=M('User'); 3 4 // $arr=$m->find(2); //查找id=2的数据,find只能返回一条数据 5 //2.SELECT * FROM `tp_user` WHE...
分类:Web程序   时间:2015-06-24 01:58:19    阅读次数:141
ThinkPhp学习08
原文:ThinkPhp学习08一、普通查询方式 a、字符串 $arr=$m->where("sex=0 and username='gege'")->find(); b、数组 1 // 2.SELECT * FROM `tp_user` WHERE ( `sex` = 0 ) AND ( `user...
分类:Web程序   时间:2015-06-24 01:54:26    阅读次数:129
LeetCode64:Minimum Path Sum
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path.Note: You can only move either down or right at any...
分类:其他好文   时间:2015-06-24 00:52:10    阅读次数:107
Leetcode 04 Median of Two Sorted Arrays
There are two sorted arraysnums1andnums2of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should...
分类:其他好文   时间:2015-06-24 00:43:01    阅读次数:99
longest common prefix
1. Question找字符串数组的最长公共前缀,是所有字符串的。Write a function to find the longest common prefix string amongst an array of strings.2. Solution(O(mn))以第一个字符串作为前缀初值...
分类:其他好文   时间:2015-06-24 00:35:28    阅读次数:125
Leetcode 03 Longest Substring Without Repeating Characters
Leetcode 03 Longest Substring Without Repeating CharactersGiven a string, find the length of the longest substring without repeating characters. For e...
分类:其他好文   时间:2015-06-23 23:07:53    阅读次数:115
Leetcode 01 Two Sum
Leetcode 01 Two SumGiven an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return in...
分类:其他好文   时间:2015-06-23 23:04:42    阅读次数:126
Longest Substring Without Repeating Characters
题目三: Longest Substring Without Repeating CharactersGiven a string, find the length of the longest substring without repeating characters.For example, ...
分类:其他好文   时间:2015-06-23 22:59:27    阅读次数:112
菜鸟的mongoDB学习---(四)MongoDB条件操作符
条件操作符用于比较两个表达式并从mongoDB集合中获取数据。 MongoDB中条件操作符有: (>) 大于 - $gt((>=) 大于等于 - $gte( > db.new.find({"age":{$gt:22}})#查找age大于22的文档 > db.new.find({"age":{$lt:22}})#查找age小于22的文档 > db.new.find({"age":{$g...
分类:数据库   时间:2015-06-23 21:44:47    阅读次数:166
黄聪:PHP字符串操作(string替换、删除、截取、复制、连接、比较、查找、包含、大小写转换、切割成数组等)
一、字符串替换str_replace("iwind", "kiki", "i love iwind, iwind said");将输出 "i love kiki, kiki said"str_replace(find,replace,string,count)参数 描述find 必需。规定要查找的值...
分类:编程语言   时间:2015-06-23 21:30:12    阅读次数:147
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