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HTML-верстка и IPhone 29 Dec 2012 | 09:07 pm

Чтобы убрать автоматическое масштабирование текста на сайте при просмотре в IPhone (заголовок H1 может быть по размеру такой же или даже меньше основного текста) - следует добавить правило в файл стил...

drupal - EntityMetadataWrapperException: Unable to get the data property data as the parent data structure is not set 25 Dec 2012 | 02:11 pm

Ошибка Drupal, связанная с невозможностью доступа к сущности (Entity) EntityMetadataWrapperException: Unable to get the data property data as the parent data structure is not set. в функции EntityStr...

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Write a simple query to get the second largest value of a table column? phpinterviewquestions.com 17 Mar 2012 | 04:54 pm

There are many ways that we can write this, But the simplest way in mysql is, SELECT * FROM country ORDER BY id DESC LIMIT 1, 1 plus there are some other methods as well, SELECT * FROM country ORD...

[PHP] Update Data Dengan PHP Data Object blog.elcicko.web.id 23 Feb 2012 | 07:23 pm

Kemarin kita udah belajar bagaimana caranya untuk membuat koneksi ke database MySQL, Insert, Select data dengan PDO. Nah… sekarang kita coba buat update data dengan PDO. scriptnya seperti ini : G...

How to Delete Existing WordPress Post Revisions xxoom.com 20 Feb 2010 | 09:01 am

To remove all existing post revisions entries from WordPress database Posts table, simply login to MySQL phpMyAdmin. Select the appropriate WordPress database, and then issue the following command: D...

phpcms4更新URL、更新全站索引失败 yuan.sc.cn 1 Jul 2010 | 01:30 pm

PHPCMS 升级SP1更新URL出现MySQL Errno:126 错误 MySQL Query : Select `searchid` FROM `phpcms_search` Where `searchid`= Win2000/WinXP/Win2003' Where `searchid`='4492' MySQL Error : Incorrect key file for tabl...

MySQL Tutorial (SELECT, INSERT, UPDATE, DELETE) smkbisa.com 4 Mar 2013 | 03:01 pm

mudah-mudahan saja ini bisa membantu... gimana caranya query ke database MySQL... ini adalah hal dasar yang harus dikuasai oleh para progammer yang berhubungan database MySQL. SELECT. query ini dig...

高效的MySQL分页 086php.com 26 Oct 2012 | 07:41 am

PERCONA PERFORMANCE CONFERENCE 2009上,来自雅虎的几位工程师带来了一篇”Efficient Pagination Using MySQL“的报告,有很多亮点,本文是在原文基础上的进一步延伸。 首先看一下分页的基本原理: mysql> explain SELECT * FROM message ORDER BY id DESC LIMIT 10000, 20\G...

高效的MySQL分页 leo108.com 6 May 2013 | 05:33 pm

PERCONA PERFORMANCE CONFERENCE 2009上,来自雅虎的几位工程师带来了一篇”Efficient Pagination Using MySQL“的报告,有很多亮点,本文是在原文基础上的进一步延伸。 未经允许严禁转载 首先看一下分页的基本原理: http://leo108.com/pid-1914.asp mysql> explain SELECT * FROM m...

MySQL Query Cache 小结 isky000.com 31 Aug 2012 | 12:16 pm

最近经常有人问我 MySQL Query Cache 相关的问题,就整理一点 MySQL Query Cache 的内容,以供参考。 顾名思义,MySQL Query Cache 就是用来缓存和 Query 相关的数据的。具体来说,Query Cache 缓存了我们客户端提交给 MySQL 的 SELECT 语句以及该语句的结果集。大概来讲,就是将 SELECT 语句和语句的结果做了一个 HAS...

phpcms4更新URL、更新全站索引失败 yuan.sc.cn 1 Jul 2010 | 06:30 am

PHPCMS 升级SP1更新URL出现MySQL Errno:126 错误 MySQL Query : Select `searchid` FROM `phpcms_search` Where `searchid`= Win2000/WinXP/Win2003' Where `searchid`='4492' MySQL Error : Incorrect key file for tabl...

2013-07-27 MySQL InnoDB SELECT ... FOR UPDATE 的 Lock 測試 wiselysong.blogspot.com 27 Jul 2013 | 10:55 am

前幾天在處理線上DB遷移時把原本的 MySQL 5.5.23 改成  Percona 5.5.32 ,結果原本程式每天五點時進行的批次作業出現了  DeadLock 問題,經過交叉測試後發現是 SELECT ... FOR UPDATE 語法中用到的 WHERE 條件沒有配合建立正確的索引造成的 ,而先前 MySQL 5.5.23 沒有問題也完全是運氣好的原因 XD 。 簡化測試如下 CREA...

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