Mon, 16 Jun 2008 22:46:00 GMT相当稳定的进步,欢迎回贴交流http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/84592833/1065170/1/item.htmlcomments/2554863.aspx0comments/commentRss/2554863.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2554863留下备忘一下... 如果不经常写正则,还是经常复习一下的好 <img src ="aggbug/2554863.aspx" width = "1" height = "1" />Tue, 17 Jun 2008 06:46:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/16/2554863.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/16/2554863.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/16/2554863.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/84592833/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/84589289/1065170/1/item.htmlcomments/2554800.aspx0comments/commentRss/2554800.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2554800留下备忘一下... preg_grep — 返回与模式匹配的数组单元preg_last_error — Returns the error code of the last PCRE regex executionpreg_match_all — 进行全局正则表达式匹配preg_match — 进行正则表达式匹配preg_quote — 转义正则表达式字符preg_replace_callback — 用回调函数执行正则表达式的搜索和替换preg_replace — 执行正则表达式的搜索和替换preg_split — 用正则表达式分割字符串<img src ="aggbug/2554800.aspx" width = "1" height = "1" />Tue, 17 Jun 2008 06:23:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/16/2554800.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/16/2554800.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/16/2554800.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/84589289/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/84110543/1065170/1/item.htmlcomments/2547616.aspx0comments/commentRss/2547616.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2547616Window.open是ff和ie下都通用的弹窗方法. 似乎有些版本windows下ie的window.open打开的速度很慢. 第二个参数就是打开页的名字为空或者为_blank就会快的.<img src ="aggbug/2547616.aspx" width = "1" height = "1" />Sun, 15 Jun 2008 04:55:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/14/2547616.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/14/2547616.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/14/2547616.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/84110543/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/84106346/1065170/1/item.htmlcomments/2547583.aspx0comments/commentRss/2547583.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2547583使用了两台memcache服务器(一台我的windows.一台centos) 主要是想测试一下两台一起用是什么效果. 结果发现. memcache设置一个变量的时候只会存到其中一个服务器上. 具体是存到哪个...这个我就不知道了...<img src ="aggbug/2547583.aspx" width = "1" height = "1" />Sun, 15 Jun 2008 04:43:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/14/2547583.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/14/2547583.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/14/2547583.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/84106346/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/83596381/1065170/1/item.htmlcomments/2541556.aspx0comments/commentRss/2541556.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2541556开放api的sns们. Facebook,myspace这两个有相当多的api. 国内的校内里面api还不错.但是似乎都是千橡自己写的. 其他的sns基本上没有api可以配置.<img src ="aggbug/2541556.aspx" width = "1" height = "1" />Fri, 13 Jun 2008 05:25:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/12/2541556.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/12/2541556.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/12/2541556.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/83596381/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/83574255/1065170/1/item.htmlcomments/2541297.aspx0comments/commentRss/2541297.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2541297Memcache是danga.com的一个项目,下面是具体的项目内容 http://www.danga.com/memcached/<img src ="aggbug/2541297.aspx" width = "1" height = "1" />Fri, 13 Jun 2008 04:10:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/12/2541297.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/12/2541297.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/12/2541297.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/83574255/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/83571045/1065170/1/item.htmlcomments/2541283.aspx0comments/commentRss/2541283.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2541283PHP只是一种语言.加密解密只是一种对字符串操作的方法.当然PHP是支持所有的加密算法.如果不支持某种的话,你也可以自己写一个出来. <img src ="aggbug/2541283.aspx" width = "1" height = "1" />Fri, 13 Jun 2008 04:04:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/12/2541283.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/12/2541283.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/12/2541283.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/83571045/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/83317831/1065170/1/item.htmlcomments/2537200.aspx0comments/commentRss/2537200.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2537200优点 有了索引.对于记录数量很多的表,可以提高查询速度. 缺点 索引是占用空间的. 索引会影响update insert delete速度 ALERT!!!<img src ="aggbug/2537200.aspx" width = "1" height = "1" />Thu, 12 Jun 2008 06:14:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/11/2537200.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/11/2537200.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/11/2537200.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/83317831/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/83309127/1065170/1/item.htmlcomments/2537143.aspx0comments/commentRss/2537143.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2537143json是啥.应该是一种存储的格式吧.最强的是这种格式可以被js直接当成对象读~php中有json_encode($arr);还有json_decode($str,assoc); 其中assoc为true则返回数组而不是对象很简单的用法<img src ="aggbug/2537143.aspx" width = "1" height = "1" />Thu, 12 Jun 2008 05:48:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/11/2537143.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/11/2537143.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/11/2537143.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/83309127/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/83012294/1065170/1/item.htmlcomments/2533402.aspx0comments/commentRss/2533402.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2533402以下是一些总结.引用了一些网络上的经验MyISAM和MEMORY存储引擎采用的是表级锁table-level lockingBDB存储引擎采用的是页面锁page-level locking,但也支持表级锁InnoDB存储引擎既支持行级锁row-level locking,也支持表级锁,但默认情况下是采用行级锁<img src ="aggbug/2533402.aspx" width = "1" height = "1" />Wed, 11 Jun 2008 04:49:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/10/2533402.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/10/2533402.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/10/2533402.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/83012294/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/83008206/1065170/1/item.htmlcomments/2533380.aspx0comments/commentRss/2533380.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2533380msyql里所有的用户都是在mysql.user表里可以直接操作这个表来进行添加删除修改用户的操作.mysql提供了一种更简单的方法来操作用户及权限.grant和revoke命令<img src ="aggbug/2533380.aspx" width = "1" height = "1" />Wed, 11 Jun 2008 04:38:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/10/2533380.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/10/2533380.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/10/2533380.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/83008206/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/83007021/1065170/1/item.htmlcomments/2533367.aspx0comments/commentRss/2533367.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2533367SELECT * FROM myz FOR UPDATE;在innoDB下使用.在start transaction和commit/rollback中间使用只锁定被选择行 (要有主键,并且明确表明在操作哪个主键),未指明或无主键则锁表必须在事务中使用.在rollback或者commit后,锁定的内容才可以使用FOR UPDATE的这些特性可以被应用在类似银行的系统上<img src ="aggbug/2533367.aspx" width = "1" height = "1" />Wed, 11 Jun 2008 04:32:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/10/2533367.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/10/2533367.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/10/2533367.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/83007021/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/81629987/1065170/1/item.htmlcomments/2515311.aspx0comments/commentRss/2515311.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2515311Xcache/APC/eaccelerator/mmcache 编译缓冲器,用内存来缓存zend引擎编译产生的opcode Memcached 这个不是编译方面的,是用来缓存对象的,也是用内存来存储,比如得到一个$myz里面有1000条从数据库读出来的数据,这样存到内存中,然后再用的时候直接读内存就行了,就不需要再交互数据库了. 除了使用这些工具,有一个良好的编程习惯是很重要的. <img src ="aggbug/2515311.aspx" width = "1" height = "1" />Fri, 06 Jun 2008 07:01:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/05/2515311.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/05/2515311.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/05/2515311.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/81629987/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/81626674/1065170/1/item.htmlcomments/2515302.aspx0comments/commentRss/2515302.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2515302ubuntu mysql安装之后出现一个急救帐号,还有未加密码的rootmysqladmin -u root password XXX上面那句只能加密码给%的root需要进入到mysql中然后<img src ="aggbug/2515302.aspx" width = "1" height = "1" />Fri, 06 Jun 2008 06:57:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/05/2515302.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/05/2515302.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/05/2515302.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/81626674/1065170http://item.feedsky.com/~csdn.net/mayongzhan/~1065170/81626606/1065170/1/item.htmlcomments/2515297.aspx0comments/commentRss/2515297.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=2515297Linux和windows下修改默认mysql编码时可以采用不同的方法,主要还是因为windows有配置这一功能, Mysql Server Instance Config Wizard Linux下就没有了,怎么办 先show variables like ‘character%’; //其实这里不用like也行,你试试,得出来所有的变量 然后看到应该是这样的:<img src ="aggbug/2515297.aspx" width = "1" height = "1" />Fri, 06 Jun 2008 06:55:00 +0800myzhttp://blog.csdn.net/mayongzhan/archive/2008/06/05/2515297.aspx#Feedbackhttp://blog.csdn.net/mayongzhan/archive/2008/06/05/2515297.aspxmyzhttp://blog.csdn.net/mayongzhan/archive/2008/06/05/2515297.aspxhttp://blog.csdn.net/mayongzhan/rss.aspxcsdn.net/mayongzhan/~1065170/81626606/1065170