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[leetcode] 1. Valid Palindrome
leetcode的第一题,回文数判断。原题如下:For example, "A man, a plan, a canal: Panama" is a palindrome. "race a car" is not a palindrome.Note: Have you consider that t...
分类:其他好文   时间:2014-11-09 19:33:04    阅读次数:300
English 20141105
Tables and chairs, Sink(水槽)stove炉子 refrigerator (冰箱)do you have a dogno I don't公寓管理员之行trash (垃圾)niceparking do you having car?yes I do .two carsOne pa...
分类:其他好文   时间:2014-11-05 22:41:25    阅读次数:195
LeetCode:Valid Palindrome
题目描述: Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example, "A man, a plan, a canal: Panama" is a palindrome. "race a car...
分类:其他好文   时间:2014-11-05 21:30:46    阅读次数:160
php实现设计模式之 桥接模式
car = $car; } public function run(){ $this->car->run(); echo '高速公路上行驶'; }}class street extends road{ public $car; public function __construct($car...
分类:Web程序   时间:2014-11-05 12:33:18    阅读次数:223
1105PHP笔记001
关于抽象类:abstract class Car{ abstract function getMaximumSpeed();}class FastCar extends Car{ function getMaximumSpeed(){ return 150; }}注意事项:如果实现的类也是抽象的,....
分类:Web程序   时间:2014-11-05 10:34:48    阅读次数:240
C++ 文件操作
用于文件操作主要有两个类ifstream,ofstream,fstream,例子如下1. 读操作#include using name space std;int main(){ cCar car; // initialize a car object ifstream...
分类:编程语言   时间:2014-11-05 00:07:33    阅读次数:262
去重查询某表中的信息,并删除另一表中的刚刚查出来的信息
select DISTINCT carnum from new_op_car_ownerdelete from new_op_car_owner where carnum in(select carnum from(select max(carnum) as carnum,count(carnum)...
分类:其他好文   时间:2014-10-31 19:01:13    阅读次数:159
去重的按某个字段进行去重sql
delete from op_car_owners2 where carnum in(select carnum from(select max(carnum ) as carnum ,count(carnum) as count from op_car_owners2 group by carnu...
分类:数据库   时间:2014-10-31 18:53:19    阅读次数:267
建索引sql
select * from op_breakrule where hphm='苏A2GD78'show index from op_car_owner;alter table op_car_owner add index index_chassisid(chassisid) ;drop index ...
分类:数据库   时间:2014-10-31 18:48:21    阅读次数:202
四.运算符(4)逻辑运算符
逻辑运算符 学习目标:理解逻辑运算符和使用(&& ||)。' ;$house=true;$car=true;if($house===true&&$car===true){ //分析: 用‘&&’逻辑符判断 ‘并且’ 要满足二个条件才为真。 echo 'I love you','';} else...
分类:其他好文   时间:2014-10-30 19:05:04    阅读次数:171
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