大约有 40,000 项符合查询结果(耗时:0.0318秒) [XML]

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Escaping single quote in PHP when inserting into MySQL [duplicate]

... You should be escaping each of these strings (in both snippets) with mysql_real_escape_string(). http://us3.php.net/mysql-real-escape-string The reason your two queries are behaving differently is likely because you have magic_quotes_gpc turned on (which you should know is a bad idea). This...
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Best way to test if a row exists in a MySQL table

I'm trying to find out if a row exists in a table. Using MySQL, is it better to do a query like this: 12 Answers ...
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PHP code to convert a MySQL query to CSV [closed]

What is the most efficient way to convert a MySQL query to CSV in PHP please? 6 Answers ...
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Change MySQL default character set to UTF-8 in my.cnf?

...want to add the following to my.cnf [client] default-character-set=utf8 [mysql] default-character-set=utf8 [mysqld] collation-server = utf8_unicode_ci init-connect='SET NAMES utf8' character-set-server = utf8 If you want to change the character set for an existing DB, let me know... your quest...
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搭建高可用mongodb集群(四)—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...常是 2个副本 + 1个仲裁。 说了这么多,还是来实战一下如何搭建高可用的mongodb集群: 首先确定各个组件的数量,mongos 3个, config server 3个,数据分3片 shard server 3个,每个shard 有一个副本一个仲裁也就是 3 * 2 = 6 个,总共需要...
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MySQL query String contains

I've been trying to figure out how I can make a query with MySQL that checks if the value (string $haystack ) in a certain column contains certain data (string $needle ), like this: ...
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Nginx缓存解决方案:SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术

....shared, key, value, expire) end return status 最后一个问题:如何判断缓存是否生效了?试试下面的命令: shell> curl -v "http://foo.com/test?x=123&y=abc" < X-SRCache-Fetch-Status: HIT < X-SRCache-Store-Status: BYPASS 目前我主要用srcache来缓存一些接口...
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搭建高可用mongodb集群(二)—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...

...切换连接?目前需要手工切换。 主节点的读写压力过大如何解决? 从节点每个上面的数据都是对数据库全量拷贝,从节点压力会不会过大? 数据压力大到机器支撑不了的时候能否做到自动扩展? 这篇文章看完这些问题就...
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SQL: deleting tables with prefix

... You cannot do it with just a single MySQL command, however you can use MySQL to construct the statement for you: In the MySQL shell or through PHPMyAdmin, use the following query SELECT CONCAT( 'DROP TABLE ', GROUP_CONCAT(table_name) , ';' ) AS statement...
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Remote connect to clearDB heroku database

How can i perform a remote connect to ClearDB MySQL database on heroku using for example MySQL Query Browser. Where to get url, port, login and password? ...