码迷,mamicode.com
首页 >  
搜索关键字:order    ( 17944个结果
PHP+MySQL 手工注入语句大全 推荐
暴字段长度Order by num/*匹配字段and 1=1 union select 1,2,3,4,5…….n/*暴字段位置and 1=2 union select 1,2,3,4,5…..n/*利用内置函数暴数据库信息version() database() user()不用猜解可用字段暴数据...
分类:数据库   时间:2015-02-03 09:21:08    阅读次数:292
poj 3264 Balanced Lineup RMQ线段树实现
For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decides to organize a game of Ultimate Frisbee with some of the cows. To keep things simple, he will take a contiguous range of cows from the...
分类:其他好文   时间:2015-02-02 23:19:29    阅读次数:254
[Scheme入门]3 高阶函数
?? 1、高阶函数的介绍 高阶函数的英文名称是Higher Order Function,它们是以函数为参数的函数。主要用于映射(mapping)、过滤(filtering)、归档(folding)和排序(sorting)表。高阶函数让程序更具模块性,让函数更加通用。 函数sort具有2个参数,一个是需要排序的表,另一个是定序(Ordering)函数。下面展示了按...
分类:其他好文   时间:2015-02-02 23:17:53    阅读次数:440
108.Convert Sorted Array to Binary Search Tree
Given an array where elements are sorted in ascending order, convert it toa height balanced BST. HideTags  Tree  Depth-first Search #pragma once #include #include using namespace std;...
分类:其他好文   时间:2015-02-02 23:14:33    阅读次数:181
[LeetCode]Add Two Numbers
Q: 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 it as ...
分类:其他好文   时间:2015-02-02 23:06:26    阅读次数:153
POJ 1018
Communication SystemTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 23864Accepted: 8497DescriptionWe have received an order from Pizoor Commu...
分类:其他好文   时间:2015-02-02 22:58:13    阅读次数:233
Android Activity完整的生命周期深入理解
说到activity自身的生命周期 要区分几个概念  1 Activity 官方解释为 “An Activity is an application component that provides a screen with which users can interact in order to do something, such as dial the  phone, take ...
分类:移动开发   时间:2015-02-02 15:56:01    阅读次数:260
mysql提高查询速度
1.对查询进行优化,应尽量避免全表扫描,首先应考虑在 where 及 order by 涉及的列上建立索引。 2.应尽量避免在 where 子句中对字段进行 null 值判断,否则将导致引擎放弃使用索引而进行全表扫描,如:select id from t where num is null可以在n....
分类:数据库   时间:2015-02-02 15:27:09    阅读次数:150
LeetCode --- 27. Remove Element
题目链接:Remove Element Given an array and a value, remove all instances of that value in place and return the new length. The order of elements can be changed. It doesn't matter what you leave beyond t...
分类:其他好文   时间:2015-02-02 12:34:19    阅读次数:158
Leetcode#102 Binary Tree Level Order Traversal
原题地址二叉树的层次遍历代码: 1 vector > levelOrder(TreeNode *root) { 2 vector > res; 3 queue layer; 4 5 layer.push(root); 6 ...
分类:其他好文   时间:2015-02-02 12:17:03    阅读次数:171
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!