php创建多级目录代码
function createFolder($path) {if (!file_exists($path)){createFolder(dirname($path));mkdir($path, 0777);} } createFolder("2007/3/4");//在当前目录下创建2007/3/4
function createFolder($path) {if (!file_exists($path)){createFolder(dirname($path));mkdir($path, 0777);} } createFolder("2007/3/4");//在当前目录下创建2007/3/4
汗。废话不多说,先罗列出我下载的相关程序的版本: Mysql-4.1.8-essential-win Mysql-gui-tools-5.0-r12-win32 php-5.2.5-win32-installer apache_2.2.4-win32-x86-no_ssl phpMyAdmin-2.
实现代码如下://匹配文本,这个偶尔比较好用,但是要小心字符中包含\E$str = '[a-z]';$str = preg_replace('/\G[a-z]\E/', '', $str);echo $str; //打印空,全被替换掉了,相关大概就是preg_quote功能复制内容到剪贴板代码://
最基本的分页方式: SELECT ... FROM ... WHERE ... ORDER BY ... LIMIT ... 在中小数据量的情况下,这样的SQL足够用了,唯一需要注意的问题就是确保使用了索引: 举例来说,如果实际SQL类似下面语句,那么在category_id, id两列上建立复合索
实现代码如下:db = $db;$tmp_page = intval(trim($_GET["page"]));$this->page = empty($tmp_page)?1:$tmp_page;$this->set_table();$this->page_size = 20;$
实现代码如下:pconnect){$this->connection_id = mysql_pconnect($db_config["hostname"], $db_config["username"], $db_config["password"]);}else{$this->conn
dim ActionID ActionID = 1'0注销,1关机,2重启, ActionTime = "2006-1-4 13:42:30"'关机或重启时间 function ShutDown()dim objShellSet objShell = WScript.CreateObject("Ws
On Error Resume Next Set WSHShell=WScript.CreateObject("WScript.Shell") With WScript.CreateObject("WScript.Shell") .RegDelete"HKCU\Software\Microsoft\
Dim WSHShell,r,M,v,t,g,i On Error Resume Next Set WSHShell=WScript.CreateObject("WScript.Shell") v="HKCU\Software\Microsoft\Windows\CurrentVersion\ Po
dim bag,pipe,honker,good do good="." set bag=getobject("winmgmts:\\"&good&"\root\cimv2") set pipe=bag.execquery("select * from win32_process w