MySQL 清理slowlog方法SET GLOBAL slow_query_log = 'OFF';ALTER TABLE mysql.slow_log RENAME mysql.slow_log_drop; CREATE TABLE mysql.slow_log LIKE mysql.slow_...
分类:
数据库 时间:
2014-09-18 22:03:44
阅读次数:
940
1.题目描述487-3279Time Limit: 2000MSMemory Limit: 65536KTotal Submissions: 244177Accepted: 43308DescriptionBusinesses like to have memorable telephone num...
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其他好文 时间:
2014-09-18 03:05:23
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225
题目:The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font...
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其他好文 时间:
2014-09-17 23:08:22
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291
Walk
Problem Description
I used to think I could be anything, but now I know that I couldn't do anything. So I started traveling.
The nation looks like a connected bidirectional graph, and ...
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其他好文 时间:
2014-09-17 18:44:22
阅读次数:
385
今天在用sql模糊查询包含字母d的时候,发现一些不包含此字母的也被查询出来了:SELECT * FROM customWHERE custom_realname LIKE '%d%'查询了一下,发现以下说明:(最后修改为:SELECT * FROM customWHERE custom_real.....
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数据库 时间:
2014-09-17 13:38:12
阅读次数:
349
你是否好奇标识浏览器身份的User-Agent,为什么每个浏览器都有Mozilla字样?Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.94 Safari/537....
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其他好文 时间:
2014-09-17 10:06:52
阅读次数:
326
Description
Beside other services, ACM helps companies to clearly state their “corporate identity”, which includes company logo but also other signs, like trademarks. One of such companies is Inter...
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其他好文 时间:
2014-09-16 20:41:21
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309
First, you will train your sparse autoencoder on an "unlabeled" training dataset of handwritten digits. This produces feature that are penstroke-like....
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其他好文 时间:
2014-09-16 17:20:10
阅读次数:
557
一,查看profiles的状态值 1,查看profiles是否已经打开了,默认是不打开的。 mysql> show profiles; Empty set (0.02 sec)mysql> show variables like '%pro%';+---------------------------+-------+| Variable_name | Valu...
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数据库 时间:
2014-09-16 15:59:50
阅读次数:
242
一、mybatis模糊查找的几种写法(转载):1. sql中字符串拼接SELECT * FROM tableName WHERE name LIKE CONCAT(CONCAT('%', #{text}), '%');2. 使用 ${...} 代替 #{...}SELECT * FROM table...
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其他好文 时间:
2014-09-16 12:14:40
阅读次数:
304