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家政O2O百家争鸣后的卡位战：烧钱补贴并非良药 - 资讯 - 清泛网 - 专注C/C+...
...免去烧钱补贴做推广。但这绝对不是一个良性的生意。”如何在同质化和与巨头的竞争中突围，真正实现赢利，是所有创业者们都迫切所希望的。
用户体验是关键
无论哪种行业，若想赢得市场，用户体验都是关键。北京晨报...
家政O2O百家争鸣后的卡位战：烧钱补贴并非良药 - 资讯 - 清泛网 - 专注C/C+...
...免去烧钱补贴做推广。但这绝对不是一个良性的生意。”如何在同质化和与巨头的竞争中突围，真正实现赢利，是所有创业者们都迫切所希望的。
用户体验是关键
无论哪种行业，若想赢得市场，用户体验都是关键。北京晨报...
Should I use the datetime or timestamp data type in MySQL?
...ld you recommend using a datetime or a timestamp field, and why (using MySQL)?
39 Answers
...
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...
How to debug Lock wait timeout exceeded on MySQL?
...al Locking and Mutex Information.
Here is a sample from one of my clients:
mysql> show engine innodb status\G
*************************** 1. row ***************************
Type: InnoDB
Name:
Status:
=====================================
110514 19:44:14 INNODB MONITOR OUTPUT
=================...
MySQL error 2006: mysql server has gone away
...rver at my office to process some files and report the results to a remote MySQL server.
28 Answers
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MySQL: determine which database is selected?
After calling mysql_select_db to grab a database, is there any way to later output the name of the database that is currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected").
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家政O2O百家争鸣后的卡位战：烧钱补贴并非良药 - 资讯 - 清泛网移动版 - 专...
...免去烧钱补贴做推广。但这绝对不是一个良性的生意。”如何在同质化和与巨头的竞争中突围，真正实现赢利，是所有创业者们都迫切所希望的。
用户体验是关键
无论哪种行业，若想赢得市场，用户体验都是关键。北京晨报...
How can I tell when a MySQL table was last updated?
..."last updated the xx/xx/200x" with this date being the last time a certain mySQL table has been updated.
15 Answers
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Can\'t connect to local MySQL server through socket \'/tmp/mysql.sock\...
Can't connect to local MySQL server through socket '/tmp/mysql.sock'ln -s var lib mysql mysql.sock tmp mysql.sock 建个link即可，不解释。
ln -s /var/lib/mysql/mysql.sock /tmp/mysql.sock
建个link即可，不解释。MySQL mysql.sock