以下的文章主要是对MySQL
limit查询优化的具体内容的介绍,我们大家都知道MySQL数据库的优化是相当重要的。其他最为常用也是最为需要优化的就是limit。MySQL的limit给分页带来了极大的方便,但数据量一大的时候,limit的性能就急剧下降。同样是取10条数据
select *...
分类:
数据库 时间:
2014-05-09 08:37:36
阅读次数:
457
Github只允许上传最大100MB的文件,如果超过,则会被server reject则需:git filter-branch --force --index-filter "git rm --cached --ignore-unmatch Project1/Project1.1\ Sample\ Project/output.txt" --prune-empty --tag-name-filt...
分类:
其他好文 时间:
2014-05-09 06:35:41
阅读次数:
341
Pie
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 9653
Accepted: 3478
Special Judge
Description
My birthday is coming up and traditionally I'm serv...
分类:
其他好文 时间:
2014-05-09 06:33:22
阅读次数:
343
Ultimate Weapon
Time Limit: 2000MS
Memory Limit: 131072K
Total Submissions: 2007
Accepted: 958
Description
In year 2008 of the Cosmic Calendar, the Aliens send a hu...
分类:
其他好文 时间:
2014-05-09 06:28:01
阅读次数:
411
Area2
Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 1197 Accepted Submission(s): 278
Problem Description
小白最近又被空军特招为飞行员,参与一项实战演习。演...
分类:
其他好文 时间:
2014-05-09 06:19:43
阅读次数:
383
畅通工程续
Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 24979 Accepted Submission(s): 8900
Problem Description
某省自从实行了很多年的畅通工程计划后,...
分类:
其他好文 时间:
2014-05-09 06:12:04
阅读次数:
357
Anniversary party
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 4310 Accepted Submission(s): 1976
Problem Description
There is...
分类:
其他好文 时间:
2014-05-09 06:08:50
阅读次数:
305
Musical Theme
Time Limit: 1000MS
Memory Limit: 30000K
Total Submissions: 17298
Accepted: 5939
Description
A musical melody is represented as a sequence of N (1<=N<=20...
分类:
其他好文 时间:
2014-05-09 02:46:57
阅读次数:
375
题目链接:
http://poj.org/problem?id=3904
Sky Code
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 1334
Accepted: 405
Description
Stancu likes s...
分类:
其他好文 时间:
2014-05-09 01:41:07
阅读次数:
335
题目链接:
http://acm.hdu.edu.cn/showproblem.php?pid=4407
Sum
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 1817 Accepted Submission(...
分类:
其他好文 时间:
2014-05-09 01:35:58
阅读次数:
317