CentOS apache+mysql+php°²×°
CENTOS 5µÄÐéÄâ»ú£¬Ôõô´ÓͼÐνçÃæÇл»µ½ÃüÁîÐнçÃæ
1.ÁÙʱÇл»£º
ctrl+alt+1 …… ctrl+alt+6Ò»¹²Áù¸ö¿ØÖÆ̨¡£
2.ÓÀ¾Ã¹Ø±ÕͼÐλ¯£º
ÔÚrootÏÂÊäÈë vi /etc/inittab ½«init:5ÐÞ¸ÄΪinit:3
Mysql rpm°ü°²×°£¬²»ÄÜÖض¨Î»(relocatable)
rpm°ü°²×°Òì³££¬--prefix ²ÎÊý²»ÄÜÖض¨Î»£¬°²×°µ½ÁíÒ»¸öĿ¼µÄÔÒò£¬error: package is not relocatable
[mysql@test922 ~]$ rpm --install --prefix linuxqq-v1.0.2-beta1.i386.rpm
error: linuxqq is not relocatable
¾²éÕÒ£¬¿ÉÒÔʹÓÃÏÂÃæµÄÃüÁî²é¿´rpm°üÊÇ·ñ¿ÉÒÔÖض¨Î»£¬Ò²¾ÍÊÇ°²×°µ½ÁíÒ»¸öĿ¼¡£
££ rpm -qpi linuxqq-v1.0.2-beta1.i386.rpm |head
Name : linuxqq Relocations: (not relocatable)
Version : v1.0.2 Vendor: Tencent Inc.
Release : beta1 Build Date: 2009Äê01ÔÂ05ÈÕ ÐÇÆÚÒ» 17ʱ31·Ö44Ãë
Install Date: (not installed) Build Host: localhost.localdomain
Group : Internet Source RPM: linuxqq-v1.0.2-beta1.src.rpm
Size : 6346491 License: Commercial
Signature : (none)
Packager : @Home
Summary : QQ for Linux v1.0.2 Beta1
Description :
´Ó
Ïà¹ØÎĵµ£º
PHP
ÊÇÎÒÓùýµÄÓïÑÔÖУ¬×îÁîÈËÄÕ»ðµÄµ«Í¬Ê±Ò²ÊÇ×îÓÐȤµÄÓïÑÔ¡£ÎÒÖ®ËùÒÔ˵“ÁîÈËÄÕ»ð”Ö÷ÒªÊÇÒòΪº¯ÊýÃüÃû¼«Æä²»Ò»Ö¡£¾¡¹ÜÎÒÿÌ춼ҪÓõ½ÕâЩº¯Êý£¬ÎÒ»¹ÊÇÒªÏë
һϓ¾¿¾¹ÊÇ str_pos »¹ÊÇ strpos£¿ÊÇ str_split »¹ÊÇ
strsplit£¿”¡£ÁíÒ»·½Ã棬ÓÐʱºò¿ÉÒÔÓÃÒ»Ðмòµ¥µÄ´úÂë¾ÍÄܽâ¾öÒ»¸öÄÑÌâ¡£
ÏÂÃæ ......
1. PHP¿ÉÔĶÁËæ»ú×Ö·û´®
´Ë´úÂë
½«´´½¨Ò»¸ö¿ÉÔĶÁµÄ×Ö·û´®£¬Ê¹Æä¸ü½Ó½ü´ÊµäÖеĵ¥
´Ê£¬ÊµÓÃÇÒ¾ßÓÐÃÜÂëÑéÖ¤¹¦ÄÜ¡£
/**************
[email=*@length]*@length[/email] - length of random string (must be a
multiple of 2)
**************/
function readable_random_string($length = 6){
$conso= ......
Floating point precision
It is typical that simple decimal fractions like 0.1
or
0.7
cannot be converted into their internal binary
counterparts without a small loss of precision. This can lead to
confusing
results: for example, floor((0.1+0.7)*10)
will usually
return 7
......
1
£®
Çë¶Ô
POSIX
·ç¸ñºÍ¼æÈÝ
Perl
·ç¸ñÁ½ÖÖÕýÔò
±í´ïʽµÄÖ÷Òªº¯Êý½øÐÐÀà±È˵Ã÷
ereg
preg_match
ereg_replace
preg_replace
2
£®
Çë˵Ã÷ÔÚ
php
.ini
ÖÐ
safe_mode
¿ªÆôÖ®ºó¶ÔÓÚ
PHP
ϵͳ
º¯ÊýµÄÓ°Ïì
3
£®
PHP5
ÖÐħÊõ
·½·¨
º¯ÊýÓÐÄļ¸¸ö£¬Çë¾ÙÀý˵à ......
1.Ò³ÃæÖ®¼äÎÞ·¨´«µÝ±äÁ¿
get,post,sessionÔÚ×îеÄphp°æ±¾ÖÐ×Ô¶¯È«¾Ö±äÁ¿Êǹرյģ¬ËùÒÔÒª´ÓÉÏÒ»Ò³ÃæÈ¡µÃÌá½»¹ýÀ´µÃ±äÁ¿ÒªÊ¹ÓÃ$_GET['foo'],$_POST['foo'],$_SESSION['foo']À´µÃµ½¡£µ±È»Ò²¿ÉÒÔÐÞ¸Ä×Ô¶¯È«¾Ö±äÁ¿Îª¿ª(php.ini¸ÄΪregister_globals = On)£»¿¼Âǵ½¼æÈÝÐÔ£¬»¹ÊÇÇ¿ÆÈ×Ô¼ºÊìϤеÄд·¨±È½ÏºÃ¡£
2.Win32 ......