rpm -ivh cpp-4.1.2-48.el5.i386.rpm 回车
rpm -ivh kernel-headers-2.6.18-194.el5.i386.rpm 回车
rpm -ivh glibc-headers-2.5-49.i386.rpm 回车
rpm -ivh glibc-devel-2.5-49.i386.rpm 回车
rpm -ivh libgomp-4.4.0-6.el5.i386.rpm 回车
rpm -ivh gcc-c++-4.1.2-48.el5.i386.rpm 回车
安装这样的步骤安装了gcc,但输入gcc -v还是没有命令,which gcc 提示 no gcc in........
我重新安装 提示都是 上面那些都是 alerty installed 已经安装了,但就是 command not found
不知是什么原因?我的版本是centos 5.5的
yum install gcc* 但提示错误,估计是没网
回复讨论(解决方案)
yum install gcc* 但提示错误,估计是没网
可以修改源到安装光盘来安装gcc的. 不过你yum的时候为啥不在线呢
yum install gcc* 但提示错误,估计是没网
可以修改源到安装光盘来安装gcc的. 不过你yum的时候为啥不在线呢
我就是修改到光盘启动来安装gcc,提示是安装是没有出现错误的,就是不知什么原因,难道要重新安装勾上开发者模式?
yum install gcc* 但提示错误,估计是没网
可以修改源到安装光盘来安装gcc的. 不过你yum的时候为啥不在线呢
我就是修改到光盘启动来安装gcc,提示是安装是没有出现错误的,就是不知什么原因,难道要重新安装勾上开发者模式?
rpm 依赖问题很烦躁 你直接在线yum 或者吧源改为挂载的光盘
先执行:updatedb
然后再: locate gcc
看看有没有
谢谢大家我用其他方法搞好了

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Arrays can be stored in PHP sessions. 1. Start the session and use session_start(). 2. Create an array and store it in $_SESSION. 3. Retrieve the array through $_SESSION. 4. Optimize session data to improve performance.

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PHPsessionstrackuserdataacrossmultiplepagerequestsusingauniqueIDstoredinacookie.Here'showtomanagethemeffectively:1)Startasessionwithsession_start()andstoredatain$_SESSION.2)RegeneratethesessionIDafterloginwithsession_regenerate_id(true)topreventsessi

In PHP, iterating through session data can be achieved through the following steps: 1. Start the session using session_start(). 2. Iterate through foreach loop through all key-value pairs in the $_SESSION array. 3. When processing complex data structures, use is_array() or is_object() functions and use print_r() to output detailed information. 4. When optimizing traversal, paging can be used to avoid processing large amounts of data at one time. This will help you manage and use PHP session data more efficiently in your actual project.

The session realizes user authentication through the server-side state management mechanism. 1) Session creation and generation of unique IDs, 2) IDs are passed through cookies, 3) Server stores and accesses session data through IDs, 4) User authentication and status management are realized, improving application security and user experience.


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